trunk/src/emu/cpu/konami/knmidasm.c
| r21564 | r21565 | |
| 1 | | #include "emu.h" |
| 2 | | #include "debugger.h" |
| 3 | | #include "konami.h" |
| 4 | | |
| 5 | | #ifndef TRUE |
| 6 | | #define TRUE -1 |
| 7 | | #define FALSE 0 |
| 8 | | #endif |
| 9 | | |
| 10 | | /* |
| 11 | | |
| 12 | | 0x08 leax indexed |
| 13 | | 0x09 leay indexed (not confirmed) |
| 14 | | 0x0a leau indexed |
| 15 | | 0x0b leas indexed (not confirmed) |
| 16 | | |
| 17 | | 0x0c pushs xx |
| 18 | | 0x0d pushu xx (not confirmed) |
| 19 | | 0x0e pulls xx |
| 20 | | 0x0f pulls xx (not confirmed) |
| 21 | | |
| 22 | | 0x10 lda xx |
| 23 | | 0x11 ldb xx |
| 24 | | 0x12 lda indexed |
| 25 | | 0x13 ldb indexed |
| 26 | | |
| 27 | | 0x14 adda xx |
| 28 | | 0x15 addb xx (not confirmed) |
| 29 | | 0x16 adda indexed (not confirmed) |
| 30 | | 0x17 addb indexed |
| 31 | | |
| 32 | | 0x18 adca xx |
| 33 | | 0x19 adcb xx (not confirmed) |
| 34 | | 0x1a adca indexed (not confirmed) |
| 35 | | 0x1b adcb indexed (not confirmed) |
| 36 | | |
| 37 | | 0x1c suba xx |
| 38 | | 0x1d subb xx |
| 39 | | 0x1e suba indexed |
| 40 | | 0x1f subb indexed |
| 41 | | |
| 42 | | 0x20 sbca xx |
| 43 | | 0x21 sbcb xx |
| 44 | | 0x22 sbca indexed |
| 45 | | 0x23 sbcb indexed |
| 46 | | |
| 47 | | 0x24 anda xx |
| 48 | | 0x25 andb xx |
| 49 | | 0x26 anda indexed |
| 50 | | 0x27 andb indexed |
| 51 | | |
| 52 | | 0x28 bita xx |
| 53 | | 0x29 bitb xx |
| 54 | | 0x2a bita indexed |
| 55 | | 0x2b bitb indexed |
| 56 | | |
| 57 | | 0x2c eora xx |
| 58 | | 0x2d eorb xx |
| 59 | | 0x2e eora indexed |
| 60 | | 0x2f eorb indexed |
| 61 | | |
| 62 | | 0x30 ora xx |
| 63 | | 0x31 orb xx |
| 64 | | 0x32 ora indexed |
| 65 | | 0x33 orb indexed |
| 66 | | |
| 67 | | 0x34 cmpa xx |
| 68 | | 0x35 cmpb xx |
| 69 | | 0x36 cmpa indexed |
| 70 | | 0x37 cmpb indexed |
| 71 | | |
| 72 | | CUSTOM OPCODE: Set Address lines 16-23 |
| 73 | | -------------------------------------- |
| 74 | | 0x38 setlines xx |
| 75 | | 0x39 setlines indexed |
| 76 | | |
| 77 | | The eight bits taken as parameter set address lines 16 to 23. |
| 78 | | |
| 79 | | |
| 80 | | 0x3a sta indexed |
| 81 | | 0x3b stb indexed |
| 82 | | 0x3c andcc |
| 83 | | 0x3d orcc |
| 84 | | |
| 85 | | 0x3e exg xx |
| 86 | | 0x3f tfr xx |
| 87 | | |
| 88 | | 0x40 ldd xx xx |
| 89 | | 0x41 ldd indexed |
| 90 | | 0x42 ldx xx xx |
| 91 | | 0x43 ldx indexed |
| 92 | | 0x44 ldy xx xx |
| 93 | | 0x45 ldy indexed (not confirmed) |
| 94 | | 0x46 ldu xx xx |
| 95 | | 0x47 ldu indexed |
| 96 | | 0x48 lds xx xx |
| 97 | | 0x49 lds indexed (not confirmed) |
| 98 | | |
| 99 | | 0x4a cmpd xx xx |
| 100 | | 0x4b cmpd indexed |
| 101 | | 0x4c cmpx xx xx |
| 102 | | 0x4d cmpx indexed |
| 103 | | 0x4e cmpy xx xx (not confirmed) |
| 104 | | 0x4f cmpy indexed (not confirmed) |
| 105 | | 0x50 cmpu xx xx (not confirmed) |
| 106 | | 0x51 cmpu indexed (not confirmed) |
| 107 | | 0x52 cmps xx xx (not confirmed) |
| 108 | | 0x53 cmps indexed (not confirmed) |
| 109 | | |
| 110 | | 0x54 addd xx xx |
| 111 | | 0x55 addd indexed (not confirmed) |
| 112 | | 0x56 subd xx xx |
| 113 | | 0x57 subd indexed (not confirmed) |
| 114 | | |
| 115 | | 0x58 std indexed |
| 116 | | 0x59 stx indexed |
| 117 | | 0x5a sty indexed |
| 118 | | 0x5b stu indexed |
| 119 | | 0x5c sts indexed (not confirmed) |
| 120 | | |
| 121 | | |
| 122 | | BRANCH OPCODE TABLE : |
| 123 | | --------------------- |
| 124 | | |
| 125 | | Opcode M6809 Konami |
| 126 | | BRA 20 60 |
| 127 | | BRN 21 70 |
| 128 | | BHI 22 61 |
| 129 | | BLS 23 71 |
| 130 | | BCC 24 62 |
| 131 | | BCS 25 72 |
| 132 | | BNE 26 63 |
| 133 | | BEQ 27 73 |
| 134 | | BVC 28 64 |
| 135 | | BVS 29 74 |
| 136 | | BPL 2a 65 |
| 137 | | BMI 2b 75 |
| 138 | | BGE 2c 66 |
| 139 | | BLT 2d 76 |
| 140 | | BGT 2e 67 |
| 141 | | BLE 2f 77 |
| 142 | | |
| 143 | | Long versions of the branchs are the number + 8. |
| 144 | | |
| 145 | | 0x80 clra |
| 146 | | 0x81 clrb |
| 147 | | 0x82 clr indexed |
| 148 | | |
| 149 | | 0x83 coma |
| 150 | | 0x84 comb |
| 151 | | 0x85 com indexed |
| 152 | | |
| 153 | | 0x86 nega (not confirmed) |
| 154 | | 0x87 negb (not confirmed) |
| 155 | | 0x88 neg indexed (not confirmed) |
| 156 | | |
| 157 | | 0x89 inca |
| 158 | | 0x8a incb (not confirmed) |
| 159 | | 0x8b inc indexed |
| 160 | | |
| 161 | | 0x8c deca |
| 162 | | 0x8d decb |
| 163 | | 0x8e dec indexed |
| 164 | | |
| 165 | | 0x8f rts |
| 166 | | |
| 167 | | 0x90 tsta (not confirmed) |
| 168 | | 0x91 tstb (not confirmed) |
| 169 | | 0x92 tst indexed (not confirmed) |
| 170 | | |
| 171 | | 0x93 lsra |
| 172 | | 0x94 lsrb |
| 173 | | 0x95 lsr indexed |
| 174 | | |
| 175 | | 0x96 rora |
| 176 | | 0x97 rorb |
| 177 | | 0x98 ror indexed |
| 178 | | |
| 179 | | 0x99 asra |
| 180 | | 0x9a asrb |
| 181 | | 0x9b asr indexed |
| 182 | | |
| 183 | | 0x9c asla |
| 184 | | 0x9d aslb |
| 185 | | 0x9e asl indexed |
| 186 | | |
| 187 | | 0x9f rti |
| 188 | | |
| 189 | | 0xa0 rola |
| 190 | | 0xa1 rolb |
| 191 | | 0xa2 rol indexed |
| 192 | | |
| 193 | | 0xa3 lsrw indexed ( not confirmed ) |
| 194 | | 0xa4 rorw indexed ( not confirmed ) |
| 195 | | 0xa5 asrw indexed ( not confirmed ) |
| 196 | | 0xa6 aslw indexed ( not confirmed ) |
| 197 | | 0xa7 rolw indexed ( not confirmed ) |
| 198 | | |
| 199 | | 0xa8 jmp indexed |
| 200 | | 0xa9 jsr indexed |
| 201 | | 0xaa bsr xx |
| 202 | | 0xab lbsr xx xx |
| 203 | | 0xac decb,jnz xx |
| 204 | | 0xad decx,jnz xx |
| 205 | | 0xae nop |
| 206 | | |
| 207 | | 0xb0 abx |
| 208 | | 0xb1 daa |
| 209 | | 0xb2 sex |
| 210 | | |
| 211 | | 0xb3 mul |
| 212 | | |
| 213 | | 0xb4 lmul x:y = x * y |
| 214 | | |
| 215 | | 0xb5 divx x = ( x / b ), b = ( x % b ) |
| 216 | | |
| 217 | | CUSTOM OPCODE: BlockMove (y,x,u): |
| 218 | | --------------------------------- |
| 219 | | 0xb6 bmove y,x,u |
| 220 | | |
| 221 | | y = pointer to source address |
| 222 | | x = pointer to destination address |
| 223 | | u = bytes to move |
| 224 | | |
| 225 | | One byte is copied at a time and x and y get incremented for each access. |
| 226 | | |
| 227 | | CUSTOM OPCODE: Move (y,x,u): |
| 228 | | --------------------------------- |
| 229 | | 0xb7 move y,x,u |
| 230 | | |
| 231 | | y = pointer to source address |
| 232 | | x = pointer to destination address |
| 233 | | u = counter |
| 234 | | |
| 235 | | Copy ONE byte, increment x and y, decrement u. |
| 236 | | |
| 237 | | 0xb8 lsrd xx |
| 238 | | 0xb9 lsrd indexed |
| 239 | | 0xba rord xx ( not confirmed ) |
| 240 | | 0xbb rord indexed ( not confirmed ) |
| 241 | | 0xbc asrd xx ( not confirmed ) |
| 242 | | 0xbd asrd indexed ( not confirmed ) |
| 243 | | 0xbe asld xx |
| 244 | | 0xbf asld indexed ( not confirmed ) |
| 245 | | 0xc0 rold xx ( not confirmed ) |
| 246 | | 0xc1 rold indexed ( not confirmed ) |
| 247 | | |
| 248 | | 0xc2 clrd |
| 249 | | 0xc3 clrw indexed ( clears an entire word ) ( not confirmed ) |
| 250 | | |
| 251 | | 0xc4 negd (not confirmed ) |
| 252 | | 0xc5 negw indexed |
| 253 | | |
| 254 | | 0xc6 incd (not confirmed ) |
| 255 | | 0xc7 incw indexed |
| 256 | | |
| 257 | | 0xc8 decd (not confirmed ) |
| 258 | | 0xc9 decw indexed |
| 259 | | |
| 260 | | 0xca tstd |
| 261 | | 0xcb tstw indexed |
| 262 | | |
| 263 | | 0xcc absa |
| 264 | | 0xcd absb |
| 265 | | 0xce absd |
| 266 | | |
| 267 | | CUSTOM OPCODE: BlockSet (a,x,u): |
| 268 | | --------------------------------- |
| 269 | | 0xcf bset a,x,u |
| 270 | | |
| 271 | | a = source data |
| 272 | | x = pointer to destination address |
| 273 | | u = bytes to move |
| 274 | | |
| 275 | | One byte is copied at a time and x get incremented for each access. |
| 276 | | |
| 277 | | CUSTOM OPCODE: BlockSet (d,x,u): (not confirmed) |
| 278 | | -------------------------------- |
| 279 | | 0xd0 bset d,x,u |
| 280 | | |
| 281 | | d = source data |
| 282 | | x = pointer to destination address |
| 283 | | u = bytes to move/2 |
| 284 | | |
| 285 | | Two bytes are copied at a time and x get incremented twice for each access. |
| 286 | | |
| 287 | | */ |
| 288 | | |
| 289 | | static unsigned byte_count; |
| 290 | | static unsigned local_pc; |
| 291 | | static unsigned flags; |
| 292 | | |
| 293 | | static const unsigned char *opram_ptr; |
| 294 | | |
| 295 | | static unsigned char get_next_byte( void ) { |
| 296 | | return opram_ptr[byte_count++]; |
| 297 | | } |
| 298 | | |
| 299 | | /* Table for indexed operations */ |
| 300 | | static const char index_reg[8][3] = { |
| 301 | | "?", /* 0 - extended mode */ |
| 302 | | "?", /* 1 */ |
| 303 | | "x", /* 2 */ |
| 304 | | "y", /* 3 */ |
| 305 | | "?", /* 4 - direct page */ |
| 306 | | "u", /* 5 */ |
| 307 | | "s", /* 6 */ |
| 308 | | "pc" /* 7 - pc */ |
| 309 | | }; |
| 310 | | |
| 311 | | /* Table for tfr/exg operations */ |
| 312 | | static const char tfrexg_reg[8][3] = { |
| 313 | | "a", /* 0 */ |
| 314 | | "b", /* 1 */ |
| 315 | | "x", /* 2 */ |
| 316 | | "y", /* 3 */ |
| 317 | | "s", /* 4 */ |
| 318 | | "u", /* 5 */ |
| 319 | | "?", /* 6 */ |
| 320 | | "?", /* 7 */ |
| 321 | | }; |
| 322 | | |
| 323 | | /* Table for stack S operations */ |
| 324 | | static const char stack_reg_s[8][3] = { |
| 325 | | "cc", |
| 326 | | "a", |
| 327 | | "b", |
| 328 | | "dp", |
| 329 | | "x", |
| 330 | | "y", |
| 331 | | "u", |
| 332 | | "pc" |
| 333 | | }; |
| 334 | | |
| 335 | | /* Table for stack U operations */ |
| 336 | | static const char stack_reg_u[8][3] = { |
| 337 | | "cc", |
| 338 | | "a", |
| 339 | | "b", |
| 340 | | "dp", |
| 341 | | "x", |
| 342 | | "y", |
| 343 | | "s", |
| 344 | | "pc" |
| 345 | | }; |
| 346 | | |
| 347 | | static void calc_indexed( unsigned char mode, char *buf ) { |
| 348 | | char buf2[30]; |
| 349 | | int idx, type; |
| 350 | | |
| 351 | | idx = ( mode >> 4 ) & 7; |
| 352 | | type = mode & 0x0f; |
| 353 | | |
| 354 | | /* special modes */ |
| 355 | | if ( mode & 0x80 ) { |
| 356 | | if ( type & 8 ) { /* indirect */ |
| 357 | | switch ( type & 7 ) { |
| 358 | | case 0x00: /* register a */ |
| 359 | | sprintf( buf2, "[a,%s]", index_reg[idx] ); |
| 360 | | break; |
| 361 | | |
| 362 | | case 0x01: /* register b */ |
| 363 | | sprintf( buf2, "[b,%s]", index_reg[idx] ); |
| 364 | | break; |
| 365 | | |
| 366 | | case 0x04: /* direct - mode */ |
| 367 | | sprintf( buf2, "[$%02x]", get_next_byte() ); |
| 368 | | break; |
| 369 | | |
| 370 | | case 0x07: /* register d */ |
| 371 | | sprintf( buf2, "[d,%s]", index_reg[idx] ); |
| 372 | | break; |
| 373 | | |
| 374 | | default: |
| 375 | | sprintf( buf2, "[?,%s]", index_reg[idx] ); |
| 376 | | break; |
| 377 | | } |
| 378 | | } else { |
| 379 | | switch ( type & 7 ) { |
| 380 | | case 0x00: /* register a */ |
| 381 | | sprintf( buf2, "a,%s", index_reg[idx] ); |
| 382 | | break; |
| 383 | | |
| 384 | | case 0x01: /* register b */ |
| 385 | | sprintf( buf2, "b,%s", index_reg[idx] ); |
| 386 | | break; |
| 387 | | |
| 388 | | case 0x04: /* direct - mode */ |
| 389 | | sprintf( buf2, "$%02x", get_next_byte() ); |
| 390 | | break; |
| 391 | | |
| 392 | | case 0x07: /* register d */ |
| 393 | | sprintf( buf2, "d,%s", index_reg[idx] ); |
| 394 | | break; |
| 395 | | |
| 396 | | default: |
| 397 | | sprintf( buf2, "????,%s", index_reg[idx] ); |
| 398 | | break; |
| 399 | | } |
| 400 | | } |
| 401 | | } else { |
| 402 | | if ( type & 8 ) { /* indirect */ |
| 403 | | switch ( type & 7 ) { |
| 404 | | case 0: /* auto increment */ |
| 405 | | sprintf( buf2, "[,%s+]", index_reg[idx] ); |
| 406 | | break; |
| 407 | | |
| 408 | | case 1: /* auto increment double */ |
| 409 | | sprintf( buf2, "[,%s++]", index_reg[idx] ); |
| 410 | | break; |
| 411 | | |
| 412 | | case 2: /* auto decrement */ |
| 413 | | sprintf( buf2, "[,-%s]", index_reg[idx] ); |
| 414 | | break; |
| 415 | | |
| 416 | | case 3: /* auto decrement double */ |
| 417 | | sprintf( buf2, "[,--%s]", index_reg[idx] ); |
| 418 | | break; |
| 419 | | |
| 420 | | case 4: /* post byte offset */ |
| 421 | | { |
| 422 | | int val = get_next_byte(); |
| 423 | | |
| 424 | | if ( val & 0x80 ) |
| 425 | | sprintf( buf2, "[#$-%02x,%s]", 0x100 - val, index_reg[idx] ); |
| 426 | | else |
| 427 | | sprintf( buf2, "[#$%02x,%s]", val, index_reg[idx] ); |
| 428 | | } |
| 429 | | break; |
| 430 | | |
| 431 | | case 5: /* post word offset */ |
| 432 | | { |
| 433 | | int val = get_next_byte() << 8; |
| 434 | | |
| 435 | | val |= get_next_byte(); |
| 436 | | |
| 437 | | if ( val & 0x8000 ) |
| 438 | | sprintf( buf2, "[#$-%04x,%s]", 0x10000 - val, index_reg[idx] ); |
| 439 | | else |
| 440 | | sprintf( buf2, "[#$%04x,%s]", val, index_reg[idx] ); |
| 441 | | } |
| 442 | | break; |
| 443 | | |
| 444 | | case 6: /* simple */ |
| 445 | | sprintf( buf2, "[,%s]", index_reg[idx] ); |
| 446 | | break; |
| 447 | | |
| 448 | | case 7: /* extended */ |
| 449 | | { |
| 450 | | int val = get_next_byte() << 8; |
| 451 | | |
| 452 | | val |= get_next_byte(); |
| 453 | | |
| 454 | | sprintf( buf2, "[$%04x]", val ); |
| 455 | | } |
| 456 | | break; |
| 457 | | } |
| 458 | | } else { |
| 459 | | switch ( type & 7 ) { |
| 460 | | case 0: /* auto increment */ |
| 461 | | sprintf( buf2, ",%s+", index_reg[idx] ); |
| 462 | | break; |
| 463 | | |
| 464 | | case 1: /* auto increment double */ |
| 465 | | sprintf( buf2, ",%s++", index_reg[idx] ); |
| 466 | | break; |
| 467 | | |
| 468 | | case 2: /* auto decrement */ |
| 469 | | sprintf( buf2, ",-%s", index_reg[idx] ); |
| 470 | | break; |
| 471 | | |
| 472 | | case 3: /* auto decrement double */ |
| 473 | | sprintf( buf2, ",--%s", index_reg[idx] ); |
| 474 | | break; |
| 475 | | |
| 476 | | case 4: /* post byte offset */ |
| 477 | | { |
| 478 | | int val = get_next_byte(); |
| 479 | | |
| 480 | | if ( val & 0x80 ) |
| 481 | | sprintf( buf2, "#$-%02x,%s", 0x100 - val , index_reg[idx] ); |
| 482 | | else |
| 483 | | sprintf( buf2, "#$%02x,%s", val, index_reg[idx] ); |
| 484 | | } |
| 485 | | break; |
| 486 | | |
| 487 | | case 5: /* post word offset */ |
| 488 | | { |
| 489 | | int val = get_next_byte() << 8; |
| 490 | | |
| 491 | | val |= get_next_byte(); |
| 492 | | |
| 493 | | if ( val & 0x8000 ) |
| 494 | | sprintf( buf2, "#$-%04x,%s", 0x10000 - val, index_reg[idx] ); |
| 495 | | else |
| 496 | | sprintf( buf2, "#$%04x,%s", val, index_reg[idx] ); |
| 497 | | } |
| 498 | | break; |
| 499 | | |
| 500 | | case 6: /* simple */ |
| 501 | | sprintf( buf2, ",%s", index_reg[idx] ); |
| 502 | | break; |
| 503 | | |
| 504 | | case 7: /* extended */ |
| 505 | | { |
| 506 | | int val = get_next_byte() << 8; |
| 507 | | |
| 508 | | val |= get_next_byte(); |
| 509 | | |
| 510 | | sprintf( buf2, "$%04x", val ); |
| 511 | | } |
| 512 | | break; |
| 513 | | |
| 514 | | } |
| 515 | | } |
| 516 | | } |
| 517 | | |
| 518 | | strcat( buf, buf2 ); |
| 519 | | } |
| 520 | | |
| 521 | | static void do_relative( char *buf ) { |
| 522 | | char buf2[30]; |
| 523 | | signed char offs = ( signed char )get_next_byte(); |
| 524 | | |
| 525 | | sprintf( buf2, "$%04x (%d)", local_pc + byte_count + offs, (int)offs ); |
| 526 | | |
| 527 | | strcat( buf, buf2 ); |
| 528 | | } |
| 529 | | |
| 530 | | static void do_relative_word( char *buf ) { |
| 531 | | char buf2[30]; |
| 532 | | signed short offs; |
| 533 | | int val = get_next_byte() << 8; |
| 534 | | |
| 535 | | val |= get_next_byte(); |
| 536 | | |
| 537 | | offs = ( signed short )val; |
| 538 | | |
| 539 | | sprintf( buf2, "$%04x (%d)", local_pc + byte_count + offs, (int)offs ); |
| 540 | | |
| 541 | | strcat( buf, buf2 ); |
| 542 | | } |
| 543 | | |
| 544 | | static void do_addressing( char *buf ) { |
| 545 | | unsigned char mode = get_next_byte(); |
| 546 | | |
| 547 | | calc_indexed( mode, buf ); |
| 548 | | } |
| 549 | | |
| 550 | | /********************************************************************************* |
| 551 | | |
| 552 | | Opcodes |
| 553 | | |
| 554 | | *********************************************************************************/ |
| 555 | | |
| 556 | | static void illegal( char *buf ) { |
| 557 | | sprintf( buf, "illegal/unknown " ); |
| 558 | | |
| 559 | | } |
| 560 | | |
| 561 | | static void leax( char *buf ) { |
| 562 | | sprintf( buf, "leax " ); |
| 563 | | do_addressing( buf ); |
| 564 | | } |
| 565 | | |
| 566 | | static void leay( char *buf ) { |
| 567 | | sprintf( buf, "leay " ); |
| 568 | | do_addressing( buf ); |
| 569 | | } |
| 570 | | |
| 571 | | static void leau( char *buf ) { |
| 572 | | sprintf( buf, "leau " ); |
| 573 | | do_addressing( buf ); |
| 574 | | } |
| 575 | | |
| 576 | | static void leas( char *buf ) { |
| 577 | | sprintf( buf, "leas " ); |
| 578 | | do_addressing( buf ); |
| 579 | | } |
| 580 | | |
| 581 | | static void lda( char *buf ) { |
| 582 | | sprintf( buf, "lda #$%02x", get_next_byte() ); |
| 583 | | } |
| 584 | | |
| 585 | | static void ldb( char *buf ) { |
| 586 | | sprintf( buf, "ldb #$%02x", get_next_byte() ); |
| 587 | | } |
| 588 | | |
| 589 | | static void lda2( char *buf ) { |
| 590 | | sprintf( buf, "lda " ); |
| 591 | | do_addressing( buf ); |
| 592 | | } |
| 593 | | |
| 594 | | static void ldb2( char *buf ) { |
| 595 | | sprintf( buf, "ldb " ); |
| 596 | | do_addressing( buf ); |
| 597 | | } |
| 598 | | |
| 599 | | static void adda( char *buf ) { |
| 600 | | sprintf( buf, "adda #$%02x", get_next_byte() ); |
| 601 | | } |
| 602 | | |
| 603 | | static void addb( char *buf ) { |
| 604 | | sprintf( buf, "addb #$%02x", get_next_byte() ); |
| 605 | | } |
| 606 | | |
| 607 | | static void adda2( char *buf ) { |
| 608 | | sprintf( buf, "adda " ); |
| 609 | | do_addressing( buf ); |
| 610 | | } |
| 611 | | |
| 612 | | static void addb2( char *buf ) { |
| 613 | | sprintf( buf, "addb " ); |
| 614 | | do_addressing( buf ); |
| 615 | | } |
| 616 | | |
| 617 | | static void suba( char *buf ) { |
| 618 | | sprintf( buf, "suba #$%02x", get_next_byte() ); |
| 619 | | } |
| 620 | | |
| 621 | | static void subb( char *buf ) { |
| 622 | | sprintf( buf, "subb #$%02x", get_next_byte() ); |
| 623 | | } |
| 624 | | |
| 625 | | static void suba2( char *buf ) { |
| 626 | | sprintf( buf, "suba " ); |
| 627 | | do_addressing( buf ); |
| 628 | | } |
| 629 | | |
| 630 | | static void subb2( char *buf ) { |
| 631 | | sprintf( buf, "subb " ); |
| 632 | | do_addressing( buf ); |
| 633 | | } |
| 634 | | |
| 635 | | static void sbca( char *buf ) { |
| 636 | | sprintf( buf, "sbca #$%02x", get_next_byte() ); |
| 637 | | } |
| 638 | | |
| 639 | | static void sbcb( char *buf ) { |
| 640 | | sprintf( buf, "sbcb #$%02x", get_next_byte() ); |
| 641 | | } |
| 642 | | |
| 643 | | static void sbca2( char *buf ) { |
| 644 | | sprintf( buf, "sbca " ); |
| 645 | | do_addressing( buf ); |
| 646 | | } |
| 647 | | |
| 648 | | static void sbcb2( char *buf ) { |
| 649 | | sprintf( buf, "sbcb " ); |
| 650 | | do_addressing( buf ); |
| 651 | | } |
| 652 | | |
| 653 | | static void adca( char *buf ) { |
| 654 | | sprintf( buf, "adca #$%02x", get_next_byte() ); |
| 655 | | } |
| 656 | | |
| 657 | | static void adca2( char *buf ) { |
| 658 | | sprintf( buf, "adca " ); |
| 659 | | do_addressing( buf ); |
| 660 | | } |
| 661 | | |
| 662 | | static void adcb2( char *buf ) { |
| 663 | | sprintf( buf, "adcb " ); |
| 664 | | do_addressing( buf ); |
| 665 | | } |
| 666 | | |
| 667 | | static void adcb( char *buf ) { |
| 668 | | sprintf( buf, "adcb #$%02x", get_next_byte() ); |
| 669 | | } |
| 670 | | |
| 671 | | static void anda( char *buf ) { |
| 672 | | sprintf( buf, "anda #$%02x", get_next_byte() ); |
| 673 | | } |
| 674 | | |
| 675 | | static void andb( char *buf ) { |
| 676 | | sprintf( buf, "andb #$%02x", get_next_byte() ); |
| 677 | | } |
| 678 | | |
| 679 | | static void anda2( char *buf ) { |
| 680 | | sprintf( buf, "anda " ); |
| 681 | | do_addressing( buf ); |
| 682 | | } |
| 683 | | |
| 684 | | static void andb2( char *buf ) { |
| 685 | | sprintf( buf, "andb " ); |
| 686 | | do_addressing( buf ); |
| 687 | | } |
| 688 | | |
| 689 | | static void bita( char *buf ) { |
| 690 | | sprintf( buf, "bita #$%02x", get_next_byte() ); |
| 691 | | } |
| 692 | | |
| 693 | | static void bitb( char *buf ) { |
| 694 | | sprintf( buf, "bitb #$%02x", get_next_byte() ); |
| 695 | | } |
| 696 | | |
| 697 | | static void bita2( char *buf ) { |
| 698 | | sprintf( buf, "bita " ); |
| 699 | | do_addressing( buf ); |
| 700 | | } |
| 701 | | |
| 702 | | static void bitb2( char *buf ) { |
| 703 | | sprintf( buf, "bitb " ); |
| 704 | | do_addressing( buf ); |
| 705 | | } |
| 706 | | |
| 707 | | static void eora( char *buf ) { |
| 708 | | sprintf( buf, "eora #$%02x", get_next_byte() ); |
| 709 | | } |
| 710 | | |
| 711 | | static void eorb( char *buf ) { |
| 712 | | sprintf( buf, "eorb #$%02x", get_next_byte() ); |
| 713 | | } |
| 714 | | |
| 715 | | static void eora2( char *buf ) { |
| 716 | | sprintf( buf, "eora " ); |
| 717 | | do_addressing( buf ); |
| 718 | | } |
| 719 | | |
| 720 | | static void eorb2( char *buf ) { |
| 721 | | sprintf( buf, "eorb " ); |
| 722 | | do_addressing( buf ); |
| 723 | | } |
| 724 | | |
| 725 | | static void ora( char *buf ) { |
| 726 | | sprintf( buf, "ora #$%02x", get_next_byte() ); |
| 727 | | } |
| 728 | | |
| 729 | | static void orb( char *buf ) { |
| 730 | | sprintf( buf, "orb #$%02x", get_next_byte() ); |
| 731 | | } |
| 732 | | |
| 733 | | static void ora2( char *buf ) { |
| 734 | | sprintf( buf, "ora " ); |
| 735 | | do_addressing( buf ); |
| 736 | | } |
| 737 | | |
| 738 | | static void orb2( char *buf ) { |
| 739 | | sprintf( buf, "orb " ); |
| 740 | | do_addressing( buf ); |
| 741 | | } |
| 742 | | |
| 743 | | static void cmpa( char *buf ) { |
| 744 | | sprintf( buf, "cmpa #$%02x", get_next_byte() ); |
| 745 | | } |
| 746 | | |
| 747 | | static void cmpb( char *buf ) { |
| 748 | | sprintf( buf, "cmpb #$%02x", get_next_byte() ); |
| 749 | | } |
| 750 | | |
| 751 | | static void cmpa2( char *buf ) { |
| 752 | | sprintf( buf, "cmpa " ); |
| 753 | | do_addressing( buf ); |
| 754 | | } |
| 755 | | |
| 756 | | static void cmpb2( char *buf ) { |
| 757 | | sprintf( buf, "cmpb " ); |
| 758 | | do_addressing( buf ); |
| 759 | | } |
| 760 | | |
| 761 | | static void setlines( char *buf ) { |
| 762 | | sprintf( buf, "setlines #$%02x", get_next_byte() ); |
| 763 | | } |
| 764 | | |
| 765 | | static void setlines2( char *buf ) { |
| 766 | | sprintf( buf, "setlines " ); |
| 767 | | do_addressing( buf ); |
| 768 | | } |
| 769 | | |
| 770 | | static void sta2( char *buf ) { |
| 771 | | sprintf( buf, "sta " ); |
| 772 | | do_addressing( buf ); |
| 773 | | } |
| 774 | | |
| 775 | | static void stb2( char *buf ) { |
| 776 | | sprintf( buf, "stb " ); |
| 777 | | do_addressing( buf ); |
| 778 | | } |
| 779 | | |
| 780 | | static void ldd( char *buf ) { |
| 781 | | int val = get_next_byte() << 8; |
| 782 | | |
| 783 | | val |= get_next_byte(); |
| 784 | | |
| 785 | | sprintf( buf, "ldd #$%04x", val ); |
| 786 | | } |
| 787 | | |
| 788 | | static void ldd2( char *buf ) { |
| 789 | | sprintf( buf, "ldd " ); |
| 790 | | do_addressing( buf ); |
| 791 | | } |
| 792 | | |
| 793 | | static void ldx( char *buf ) { |
| 794 | | int val = get_next_byte() << 8; |
| 795 | | |
| 796 | | val |= get_next_byte(); |
| 797 | | |
| 798 | | sprintf( buf, "ldx #$%04x", val ); |
| 799 | | } |
| 800 | | |
| 801 | | static void ldx2( char *buf ) { |
| 802 | | sprintf( buf, "ldx " ); |
| 803 | | do_addressing( buf ); |
| 804 | | } |
| 805 | | |
| 806 | | static void ldy( char *buf ) { |
| 807 | | int val = get_next_byte() << 8; |
| 808 | | |
| 809 | | val |= get_next_byte(); |
| 810 | | |
| 811 | | sprintf( buf, "ldy #$%04x", val ); |
| 812 | | } |
| 813 | | |
| 814 | | static void ldy2( char *buf ) { |
| 815 | | sprintf( buf, "ldy " ); |
| 816 | | do_addressing( buf ); |
| 817 | | } |
| 818 | | |
| 819 | | static void ldu( char *buf ) { |
| 820 | | int val = get_next_byte() << 8; |
| 821 | | |
| 822 | | val |= get_next_byte(); |
| 823 | | |
| 824 | | sprintf( buf, "ldu #$%04x", val ); |
| 825 | | } |
| 826 | | |
| 827 | | static void ldu2( char *buf ) { |
| 828 | | sprintf( buf, "ldu " ); |
| 829 | | do_addressing( buf ); |
| 830 | | } |
| 831 | | |
| 832 | | static void lds( char *buf ) { |
| 833 | | int val = get_next_byte() << 8; |
| 834 | | |
| 835 | | val |= get_next_byte(); |
| 836 | | |
| 837 | | sprintf( buf, "lds #$%04x", val ); |
| 838 | | } |
| 839 | | |
| 840 | | static void lds2( char *buf ) { |
| 841 | | sprintf( buf, "lds " ); |
| 842 | | do_addressing( buf ); |
| 843 | | } |
| 844 | | |
| 845 | | static void cmpd( char *buf ) { |
| 846 | | int val = get_next_byte() << 8; |
| 847 | | |
| 848 | | val |= get_next_byte(); |
| 849 | | |
| 850 | | sprintf( buf, "cmpd #$%04x", val ); |
| 851 | | } |
| 852 | | |
| 853 | | static void cmpd2( char *buf ) { |
| 854 | | sprintf( buf, "cmpd " ); |
| 855 | | do_addressing( buf ); |
| 856 | | } |
| 857 | | |
| 858 | | static void cmpx( char *buf ) { |
| 859 | | int val = get_next_byte() << 8; |
| 860 | | |
| 861 | | val |= get_next_byte(); |
| 862 | | |
| 863 | | sprintf( buf, "cmpx #$%04x", val ); |
| 864 | | } |
| 865 | | |
| 866 | | static void cmpx2( char *buf ) { |
| 867 | | sprintf( buf, "cmpx " ); |
| 868 | | do_addressing( buf ); |
| 869 | | } |
| 870 | | |
| 871 | | static void cmpy( char *buf ) { |
| 872 | | int val = get_next_byte() << 8; |
| 873 | | |
| 874 | | val |= get_next_byte(); |
| 875 | | |
| 876 | | sprintf( buf, "cmpy #$%04x", val ); |
| 877 | | } |
| 878 | | |
| 879 | | static void cmpy2( char *buf ) { |
| 880 | | sprintf( buf, "cmpy " ); |
| 881 | | do_addressing( buf ); |
| 882 | | } |
| 883 | | |
| 884 | | static void cmpu( char *buf ) { |
| 885 | | int val = get_next_byte() << 8; |
| 886 | | |
| 887 | | val |= get_next_byte(); |
| 888 | | |
| 889 | | sprintf( buf, "cmpu #$%04x", val ); |
| 890 | | } |
| 891 | | |
| 892 | | static void cmpu2( char *buf ) { |
| 893 | | sprintf( buf, "cmpu " ); |
| 894 | | do_addressing( buf ); |
| 895 | | } |
| 896 | | |
| 897 | | static void cmps( char *buf ) { |
| 898 | | int val = get_next_byte() << 8; |
| 899 | | |
| 900 | | val |= get_next_byte(); |
| 901 | | |
| 902 | | sprintf( buf, "cmps #$%04x", val ); |
| 903 | | } |
| 904 | | |
| 905 | | static void cmps2( char *buf ) { |
| 906 | | sprintf( buf, "cmps " ); |
| 907 | | do_addressing( buf ); |
| 908 | | } |
| 909 | | |
| 910 | | static void addd2( char *buf ) { |
| 911 | | sprintf( buf, "addd " ); |
| 912 | | do_addressing( buf ); |
| 913 | | } |
| 914 | | |
| 915 | | static void subd2( char *buf ) { |
| 916 | | sprintf( buf, "subd " ); |
| 917 | | do_addressing( buf ); |
| 918 | | } |
| 919 | | |
| 920 | | static void std2( char *buf ) { |
| 921 | | sprintf( buf, "std " ); |
| 922 | | do_addressing( buf ); |
| 923 | | } |
| 924 | | |
| 925 | | static void stx2( char *buf ) { |
| 926 | | sprintf( buf, "stx " ); |
| 927 | | do_addressing( buf ); |
| 928 | | } |
| 929 | | |
| 930 | | static void sty2( char *buf ) { |
| 931 | | sprintf( buf, "sty " ); |
| 932 | | do_addressing( buf ); |
| 933 | | } |
| 934 | | |
| 935 | | static void stu2( char *buf ) { |
| 936 | | sprintf( buf, "stu " ); |
| 937 | | do_addressing( buf ); |
| 938 | | } |
| 939 | | |
| 940 | | static void sts2( char *buf ) { |
| 941 | | sprintf( buf, "sts " ); |
| 942 | | do_addressing( buf ); |
| 943 | | } |
| 944 | | |
| 945 | | static void bra( char *buf ) { |
| 946 | | sprintf( buf, "bra " ); |
| 947 | | do_relative( buf ); |
| 948 | | } |
| 949 | | |
| 950 | | static void lbra( char *buf ) { |
| 951 | | sprintf( buf, "lbra " ); |
| 952 | | do_relative_word( buf ); |
| 953 | | } |
| 954 | | |
| 955 | | static void brn( char *buf ) { |
| 956 | | sprintf( buf, "brn " ); |
| 957 | | do_relative( buf ); |
| 958 | | } |
| 959 | | |
| 960 | | static void lbrn( char *buf ) { |
| 961 | | sprintf( buf, "lbrn " ); |
| 962 | | do_relative_word( buf ); |
| 963 | | } |
| 964 | | |
| 965 | | static void bhi( char *buf ) { |
| 966 | | sprintf( buf, "bhi " ); |
| 967 | | do_relative( buf ); |
| 968 | | } |
| 969 | | |
| 970 | | static void lbhi( char *buf ) { |
| 971 | | sprintf( buf, "lbhi " ); |
| 972 | | do_relative_word( buf ); |
| 973 | | } |
| 974 | | |
| 975 | | static void bls( char *buf ) { |
| 976 | | sprintf( buf, "bls " ); |
| 977 | | do_relative( buf ); |
| 978 | | } |
| 979 | | |
| 980 | | static void lbls( char *buf ) { |
| 981 | | sprintf( buf, "lbls " ); |
| 982 | | do_relative_word( buf ); |
| 983 | | } |
| 984 | | |
| 985 | | static void bcc( char *buf ) { |
| 986 | | sprintf( buf, "bcc " ); |
| 987 | | do_relative( buf ); |
| 988 | | } |
| 989 | | |
| 990 | | static void lbcc( char *buf ) { |
| 991 | | sprintf( buf, "lbcc " ); |
| 992 | | do_relative_word( buf ); |
| 993 | | } |
| 994 | | |
| 995 | | static void bcs( char *buf ) { |
| 996 | | sprintf( buf, "bcs " ); |
| 997 | | do_relative( buf ); |
| 998 | | } |
| 999 | | |
| 1000 | | static void lbcs( char *buf ) { |
| 1001 | | sprintf( buf, "lbcs " ); |
| 1002 | | do_relative_word( buf ); |
| 1003 | | } |
| 1004 | | |
| 1005 | | static void bne( char *buf ) { |
| 1006 | | sprintf( buf, "bne " ); |
| 1007 | | do_relative( buf ); |
| 1008 | | } |
| 1009 | | |
| 1010 | | static void lbne( char *buf ) { |
| 1011 | | sprintf( buf, "lbne " ); |
| 1012 | | do_relative_word( buf ); |
| 1013 | | } |
| 1014 | | |
| 1015 | | static void beq( char *buf ) { |
| 1016 | | sprintf( buf, "beq " ); |
| 1017 | | do_relative( buf ); |
| 1018 | | } |
| 1019 | | |
| 1020 | | static void lbeq( char *buf ) { |
| 1021 | | sprintf( buf, "lbeq " ); |
| 1022 | | do_relative_word( buf ); |
| 1023 | | } |
| 1024 | | |
| 1025 | | static void bvc( char *buf ) { |
| 1026 | | sprintf( buf, "bvc " ); |
| 1027 | | do_relative( buf ); |
| 1028 | | } |
| 1029 | | |
| 1030 | | static void lbvc( char *buf ) { |
| 1031 | | sprintf( buf, "lbvc " ); |
| 1032 | | do_relative_word( buf ); |
| 1033 | | } |
| 1034 | | |
| 1035 | | static void bvs( char *buf ) { |
| 1036 | | sprintf( buf, "bvs " ); |
| 1037 | | do_relative( buf ); |
| 1038 | | } |
| 1039 | | |
| 1040 | | static void lbvs( char *buf ) { |
| 1041 | | sprintf( buf, "lbvs " ); |
| 1042 | | do_relative_word( buf ); |
| 1043 | | } |
| 1044 | | |
| 1045 | | static void bpl( char *buf ) { |
| 1046 | | sprintf( buf, "bpl " ); |
| 1047 | | do_relative( buf ); |
| 1048 | | } |
| 1049 | | |
| 1050 | | static void lbpl( char *buf ) { |
| 1051 | | sprintf( buf, "lbpl " ); |
| 1052 | | do_relative_word( buf ); |
| 1053 | | } |
| 1054 | | |
| 1055 | | static void bmi( char *buf ) { |
| 1056 | | sprintf( buf, "bmi " ); |
| 1057 | | do_relative( buf ); |
| 1058 | | } |
| 1059 | | |
| 1060 | | static void lbmi( char *buf ) { |
| 1061 | | sprintf( buf, "lbmi " ); |
| 1062 | | do_relative_word( buf ); |
| 1063 | | } |
| 1064 | | |
| 1065 | | static void bge( char *buf ) { |
| 1066 | | sprintf( buf, "bge " ); |
| 1067 | | do_relative( buf ); |
| 1068 | | } |
| 1069 | | |
| 1070 | | static void lbge( char *buf ) { |
| 1071 | | sprintf( buf, "lbge " ); |
| 1072 | | do_relative_word( buf ); |
| 1073 | | } |
| 1074 | | |
| 1075 | | static void blt( char *buf ) { |
| 1076 | | sprintf( buf, "blt " ); |
| 1077 | | do_relative( buf ); |
| 1078 | | } |
| 1079 | | |
| 1080 | | static void lblt( char *buf ) { |
| 1081 | | sprintf( buf, "lblt " ); |
| 1082 | | do_relative_word( buf ); |
| 1083 | | } |
| 1084 | | |
| 1085 | | static void bgt( char *buf ) { |
| 1086 | | sprintf( buf, "bgt " ); |
| 1087 | | do_relative( buf ); |
| 1088 | | } |
| 1089 | | |
| 1090 | | static void lbgt( char *buf ) { |
| 1091 | | sprintf( buf, "lbgt " ); |
| 1092 | | do_relative_word( buf ); |
| 1093 | | } |
| 1094 | | |
| 1095 | | static void ble( char *buf ) { |
| 1096 | | sprintf( buf, "ble " ); |
| 1097 | | do_relative( buf ); |
| 1098 | | } |
| 1099 | | |
| 1100 | | static void lble( char *buf ) { |
| 1101 | | sprintf( buf, "lble " ); |
| 1102 | | do_relative_word( buf ); |
| 1103 | | } |
| 1104 | | |
| 1105 | | static void clra( char *buf ) { |
| 1106 | | sprintf( buf, "clra" ); |
| 1107 | | } |
| 1108 | | |
| 1109 | | static void clrb( char *buf ) { |
| 1110 | | sprintf( buf, "clrb" ); |
| 1111 | | } |
| 1112 | | |
| 1113 | | static void clrd( char *buf ) { |
| 1114 | | sprintf( buf, "clrd" ); |
| 1115 | | } |
| 1116 | | |
| 1117 | | static void clrw( char *buf ) { |
| 1118 | | sprintf( buf, "clrw " ); |
| 1119 | | do_addressing( buf ); |
| 1120 | | } |
| 1121 | | |
| 1122 | | static void negd( char *buf ) { |
| 1123 | | sprintf( buf, "negd" ); |
| 1124 | | } |
| 1125 | | |
| 1126 | | static void negw( char *buf ) { |
| 1127 | | sprintf( buf, "negw" ); |
| 1128 | | do_addressing( buf ); |
| 1129 | | } |
| 1130 | | |
| 1131 | | static void incd( char *buf ) { |
| 1132 | | sprintf( buf, "incd" ); |
| 1133 | | } |
| 1134 | | |
| 1135 | | static void incw( char *buf ) { |
| 1136 | | sprintf( buf, "incw " ); |
| 1137 | | do_addressing( buf ); |
| 1138 | | } |
| 1139 | | |
| 1140 | | static void decd( char *buf ) { |
| 1141 | | sprintf( buf, "decd" ); |
| 1142 | | } |
| 1143 | | |
| 1144 | | static void decw( char *buf ) { |
| 1145 | | sprintf( buf, "decw " ); |
| 1146 | | do_addressing( buf ); |
| 1147 | | } |
| 1148 | | |
| 1149 | | static void tstd( char *buf ) { |
| 1150 | | sprintf( buf, "tstd " ); |
| 1151 | | } |
| 1152 | | |
| 1153 | | static void tstw( char *buf ) { |
| 1154 | | sprintf( buf, "tstw " ); |
| 1155 | | do_addressing( buf ); |
| 1156 | | } |
| 1157 | | |
| 1158 | | static void clr2( char *buf ) { |
| 1159 | | sprintf( buf, "clr " ); |
| 1160 | | do_addressing( buf ); |
| 1161 | | } |
| 1162 | | |
| 1163 | | static void coma( char *buf ) { |
| 1164 | | sprintf( buf, "coma" ); |
| 1165 | | } |
| 1166 | | |
| 1167 | | static void comb( char *buf ) { |
| 1168 | | sprintf( buf, "comb" ); |
| 1169 | | } |
| 1170 | | |
| 1171 | | static void com2( char *buf ) { |
| 1172 | | sprintf( buf, "com " ); |
| 1173 | | do_addressing( buf ); |
| 1174 | | } |
| 1175 | | |
| 1176 | | static void nega( char *buf ) { |
| 1177 | | sprintf( buf, "nega" ); |
| 1178 | | } |
| 1179 | | |
| 1180 | | static void negb( char *buf ) { |
| 1181 | | sprintf( buf, "negb" ); |
| 1182 | | } |
| 1183 | | |
| 1184 | | static void neg2( char *buf ) { |
| 1185 | | sprintf( buf, "neg " ); |
| 1186 | | do_addressing( buf ); |
| 1187 | | } |
| 1188 | | |
| 1189 | | static void inca( char *buf ) { |
| 1190 | | sprintf( buf, "inca" ); |
| 1191 | | } |
| 1192 | | |
| 1193 | | static void incb( char *buf ) { |
| 1194 | | sprintf( buf, "incb" ); |
| 1195 | | } |
| 1196 | | |
| 1197 | | static void inc2( char *buf ) { |
| 1198 | | sprintf( buf, "inc " ); |
| 1199 | | do_addressing( buf ); |
| 1200 | | } |
| 1201 | | |
| 1202 | | static void deca( char *buf ) { |
| 1203 | | sprintf( buf, "deca" ); |
| 1204 | | } |
| 1205 | | |
| 1206 | | static void decb( char *buf ) { |
| 1207 | | sprintf( buf, "decb" ); |
| 1208 | | } |
| 1209 | | |
| 1210 | | static void dec2( char *buf ) { |
| 1211 | | sprintf( buf, "dec " ); |
| 1212 | | do_addressing( buf ); |
| 1213 | | } |
| 1214 | | |
| 1215 | | static void rts( char *buf ) { |
| 1216 | | sprintf( buf, "rts" ); |
| 1217 | | flags = DASMFLAG_STEP_OUT; |
| 1218 | | } |
| 1219 | | |
| 1220 | | static void asla( char *buf ) { |
| 1221 | | sprintf( buf, "asla" ); |
| 1222 | | } |
| 1223 | | |
| 1224 | | static void aslb( char *buf ) { |
| 1225 | | sprintf( buf, "aslb" ); |
| 1226 | | } |
| 1227 | | |
| 1228 | | static void asl2( char *buf ) { |
| 1229 | | sprintf( buf, "asl " ); |
| 1230 | | do_addressing( buf ); |
| 1231 | | } |
| 1232 | | |
| 1233 | | static void rora( char *buf ) { |
| 1234 | | sprintf( buf, "rora" ); |
| 1235 | | } |
| 1236 | | |
| 1237 | | static void rorb( char *buf ) { |
| 1238 | | sprintf( buf, "rorb" ); |
| 1239 | | } |
| 1240 | | |
| 1241 | | static void ror2( char *buf ) { |
| 1242 | | sprintf( buf, "ror " ); |
| 1243 | | do_addressing( buf ); |
| 1244 | | } |
| 1245 | | |
| 1246 | | static void rti( char *buf ) { |
| 1247 | | sprintf( buf, "rti" ); |
| 1248 | | flags = DASMFLAG_STEP_OUT; |
| 1249 | | } |
| 1250 | | |
| 1251 | | static void jsr2( char *buf ) { |
| 1252 | | sprintf( buf, "jsr " ); |
| 1253 | | do_addressing( buf ); |
| 1254 | | flags = DASMFLAG_STEP_OVER; |
| 1255 | | } |
| 1256 | | |
| 1257 | | static void jmp2( char *buf ) { |
| 1258 | | sprintf( buf, "jmp " ); |
| 1259 | | do_addressing( buf ); |
| 1260 | | } |
| 1261 | | |
| 1262 | | static void bsr( char *buf ) { |
| 1263 | | sprintf( buf, "bsr " ); |
| 1264 | | do_relative( buf ); |
| 1265 | | flags = DASMFLAG_STEP_OVER; |
| 1266 | | } |
| 1267 | | |
| 1268 | | static void lbsr( char *buf ) { |
| 1269 | | sprintf( buf, "lbsr " ); |
| 1270 | | do_relative_word( buf ); |
| 1271 | | flags = DASMFLAG_STEP_OVER; |
| 1272 | | } |
| 1273 | | |
| 1274 | | static void decbjnz( char *buf ) { |
| 1275 | | sprintf( buf, "decb,jnz " ); |
| 1276 | | do_relative( buf ); |
| 1277 | | flags = DASMFLAG_STEP_OVER; |
| 1278 | | } |
| 1279 | | |
| 1280 | | static void decxjnz( char *buf ) { |
| 1281 | | sprintf( buf, "decx,jnz " ); |
| 1282 | | do_relative( buf ); |
| 1283 | | flags = DASMFLAG_STEP_OVER; |
| 1284 | | } |
| 1285 | | |
| 1286 | | static void addd( char *buf ) { |
| 1287 | | int val = get_next_byte() << 8; |
| 1288 | | |
| 1289 | | val |= get_next_byte(); |
| 1290 | | |
| 1291 | | sprintf( buf, "addd #$%04x", val ); |
| 1292 | | } |
| 1293 | | |
| 1294 | | static void subd( char *buf ) { |
| 1295 | | int val = get_next_byte() << 8; |
| 1296 | | |
| 1297 | | val |= get_next_byte(); |
| 1298 | | |
| 1299 | | sprintf( buf, "subd #$%04x", val ); |
| 1300 | | } |
| 1301 | | |
| 1302 | | static void tsta( char *buf ) { |
| 1303 | | sprintf( buf, "tsta" ); |
| 1304 | | } |
| 1305 | | |
| 1306 | | static void tstb( char *buf ) { |
| 1307 | | sprintf( buf, "tstb" ); |
| 1308 | | } |
| 1309 | | |
| 1310 | | static void tst2( char *buf ) { |
| 1311 | | sprintf( buf, "tst " ); |
| 1312 | | do_addressing( buf ); |
| 1313 | | } |
| 1314 | | |
| 1315 | | static void lsra( char *buf ) { |
| 1316 | | sprintf( buf, "lsra" ); |
| 1317 | | } |
| 1318 | | |
| 1319 | | static void lsrb( char *buf ) { |
| 1320 | | sprintf( buf, "lsrb" ); |
| 1321 | | } |
| 1322 | | |
| 1323 | | static void lsr2( char *buf ) { |
| 1324 | | sprintf( buf, "lsr " ); |
| 1325 | | do_addressing( buf ); |
| 1326 | | } |
| 1327 | | |
| 1328 | | static void asra( char *buf ) { |
| 1329 | | sprintf( buf, "asra" ); |
| 1330 | | } |
| 1331 | | |
| 1332 | | static void asrb( char *buf ) { |
| 1333 | | sprintf( buf, "asrb" ); |
| 1334 | | } |
| 1335 | | |
| 1336 | | static void asr2( char *buf ) { |
| 1337 | | sprintf( buf, "asr " ); |
| 1338 | | do_addressing( buf ); |
| 1339 | | } |
| 1340 | | |
| 1341 | | static void abx( char *buf ) { |
| 1342 | | sprintf( buf, "abx" ); |
| 1343 | | } |
| 1344 | | |
| 1345 | | static void sex( char *buf ) { |
| 1346 | | sprintf( buf, "sex" ); |
| 1347 | | } |
| 1348 | | |
| 1349 | | static void daa( char *buf ) { |
| 1350 | | sprintf( buf, "daa" ); |
| 1351 | | } |
| 1352 | | |
| 1353 | | static void mul( char *buf ) { |
| 1354 | | sprintf( buf, "mul" ); |
| 1355 | | } |
| 1356 | | |
| 1357 | | static void lmul( char *buf ) { |
| 1358 | | sprintf( buf, "lmul" ); |
| 1359 | | } |
| 1360 | | |
| 1361 | | static void divx( char *buf ) { |
| 1362 | | sprintf( buf, "div x,b" ); |
| 1363 | | } |
| 1364 | | |
| 1365 | | static void andcc( char *buf ) { |
| 1366 | | sprintf( buf, "andcc #$%02x", get_next_byte() ); |
| 1367 | | } |
| 1368 | | |
| 1369 | | static void orcc( char *buf ) { |
| 1370 | | sprintf( buf, "orcc #$%02x", get_next_byte() ); |
| 1371 | | } |
| 1372 | | |
| 1373 | | static void pushs( char *buf ) { |
| 1374 | | int mask = get_next_byte(), i; |
| 1375 | | |
| 1376 | | sprintf( buf, "pushs " ); |
| 1377 | | |
| 1378 | | for ( i = 0; i < 8; i++ ) { |
| 1379 | | if ( ( mask >> i ) & 1 ) { |
| 1380 | | strcat( buf, stack_reg_s[i] ); |
| 1381 | | mask &= ~( 1 << i ); |
| 1382 | | if ( mask ) |
| 1383 | | strcat( buf, "," ); |
| 1384 | | else |
| 1385 | | return; |
| 1386 | | } |
| 1387 | | } |
| 1388 | | } |
| 1389 | | |
| 1390 | | static void pushu( char *buf ) { |
| 1391 | | int mask = get_next_byte(), i; |
| 1392 | | |
| 1393 | | sprintf( buf, "pushu " ); |
| 1394 | | |
| 1395 | | for ( i = 0; i < 8; i++ ) { |
| 1396 | | if ( ( mask >> i ) & 1 ) { |
| 1397 | | strcat( buf, stack_reg_u[i] ); |
| 1398 | | mask &= ~( 1 << i ); |
| 1399 | | if ( mask ) |
| 1400 | | strcat( buf, "," ); |
| 1401 | | else |
| 1402 | | return; |
| 1403 | | } |
| 1404 | | } |
| 1405 | | } |
| 1406 | | |
| 1407 | | static void pulls( char *buf ) { |
| 1408 | | int mask = get_next_byte(), i; |
| 1409 | | |
| 1410 | | sprintf( buf, "pulls " ); |
| 1411 | | |
| 1412 | | for ( i = 0; i < 8; i++ ) { |
| 1413 | | if ( ( mask >> i ) & 1 ) { |
| 1414 | | strcat( buf, stack_reg_s[i] ); |
| 1415 | | if (i == 7) |
| 1416 | | flags = DASMFLAG_STEP_OUT; |
| 1417 | | mask &= ~( 1 << i ); |
| 1418 | | if ( mask ) |
| 1419 | | strcat( buf, "," ); |
| 1420 | | else |
| 1421 | | return; |
| 1422 | | } |
| 1423 | | } |
| 1424 | | } |
| 1425 | | |
| 1426 | | static void pullu( char *buf ) { |
| 1427 | | int mask = get_next_byte(), i; |
| 1428 | | |
| 1429 | | sprintf( buf, "pullu " ); |
| 1430 | | |
| 1431 | | for ( i = 0; i < 8; i++ ) { |
| 1432 | | if ( ( mask >> i ) & 1 ) { |
| 1433 | | strcat( buf, stack_reg_s[i] ); |
| 1434 | | mask &= ~( 1 << i ); |
| 1435 | | if ( mask ) |
| 1436 | | strcat( buf, "," ); |
| 1437 | | else |
| 1438 | | return; |
| 1439 | | } |
| 1440 | | } |
| 1441 | | } |
| 1442 | | |
| 1443 | | static void rola( char *buf ) { |
| 1444 | | sprintf( buf, "rola" ); |
| 1445 | | } |
| 1446 | | |
| 1447 | | static void rolb( char *buf ) { |
| 1448 | | sprintf( buf, "rolb" ); |
| 1449 | | } |
| 1450 | | |
| 1451 | | static void rol2( char *buf ) { |
| 1452 | | sprintf( buf, "rol " ); |
| 1453 | | do_addressing( buf ); |
| 1454 | | } |
| 1455 | | |
| 1456 | | static void bmove( char *buf ) { |
| 1457 | | sprintf( buf, "bmove y,x,u" ); |
| 1458 | | } |
| 1459 | | |
| 1460 | | static void move( char *buf ) { |
| 1461 | | sprintf( buf, "move y,x,u" ); |
| 1462 | | } |
| 1463 | | |
| 1464 | | static void bset( char *buf ) { |
| 1465 | | sprintf( buf, "bset a,x,u" ); |
| 1466 | | } |
| 1467 | | |
| 1468 | | static void bset2( char *buf ) { |
| 1469 | | sprintf( buf, "bset d,x,u" ); |
| 1470 | | } |
| 1471 | | |
| 1472 | | static void nop( char *buf ) { |
| 1473 | | sprintf( buf, "nop" ); |
| 1474 | | } |
| 1475 | | |
| 1476 | | static void tfr( char *buf ) { |
| 1477 | | int mask = get_next_byte(); |
| 1478 | | |
| 1479 | | sprintf( buf, "tfr " ); |
| 1480 | | |
| 1481 | | strcat( buf, tfrexg_reg[ mask & 0x07 ] ); |
| 1482 | | strcat( buf, "," ); |
| 1483 | | strcat( buf, tfrexg_reg[ ( mask >> 4 ) & 0x07 ] ); |
| 1484 | | } |
| 1485 | | |
| 1486 | | static void exg( char *buf ) { |
| 1487 | | int mask = get_next_byte(); |
| 1488 | | |
| 1489 | | sprintf( buf, "exg " ); |
| 1490 | | |
| 1491 | | strcat( buf, tfrexg_reg[ mask & 0x07 ] ); |
| 1492 | | strcat( buf, "," ); |
| 1493 | | strcat( buf, tfrexg_reg[ ( mask >> 4 ) & 0x07 ] ); |
| 1494 | | } |
| 1495 | | |
| 1496 | | static void lsrd( char *buf ) { |
| 1497 | | sprintf( buf, "lsrd #$%02x", get_next_byte() ); |
| 1498 | | } |
| 1499 | | |
| 1500 | | static void lsrd2( char *buf ) { |
| 1501 | | sprintf( buf, "lsrd " ); |
| 1502 | | do_addressing( buf ); |
| 1503 | | } |
| 1504 | | |
| 1505 | | static void rord( char *buf ) { |
| 1506 | | sprintf( buf, "rord #$%02x", get_next_byte() ); |
| 1507 | | } |
| 1508 | | |
| 1509 | | static void rord2( char *buf ) { |
| 1510 | | sprintf( buf, "rord " ); |
| 1511 | | do_addressing( buf ); |
| 1512 | | } |
| 1513 | | |
| 1514 | | static void asrd( char *buf ) { |
| 1515 | | sprintf( buf, "asrd #$%02x", get_next_byte() ); |
| 1516 | | } |
| 1517 | | |
| 1518 | | static void asrd2( char *buf ) { |
| 1519 | | sprintf( buf, "asrd " ); |
| 1520 | | do_addressing( buf ); |
| 1521 | | } |
| 1522 | | |
| 1523 | | static void asld( char *buf ) { |
| 1524 | | sprintf( buf, "asld #$%02x", get_next_byte() ); |
| 1525 | | } |
| 1526 | | |
| 1527 | | static void asld2( char *buf ) { |
| 1528 | | sprintf( buf, "asld " ); |
| 1529 | | do_addressing( buf ); |
| 1530 | | } |
| 1531 | | |
| 1532 | | static void rold( char *buf ) { |
| 1533 | | sprintf( buf, "rold #$%02x", get_next_byte() ); |
| 1534 | | } |
| 1535 | | |
| 1536 | | static void rold2( char *buf ) { |
| 1537 | | sprintf( buf, "rold " ); |
| 1538 | | do_addressing( buf ); |
| 1539 | | } |
| 1540 | | |
| 1541 | | static void lsrw( char *buf ) { |
| 1542 | | sprintf( buf, "lsrw " ); |
| 1543 | | do_addressing( buf ); |
| 1544 | | } |
| 1545 | | |
| 1546 | | static void rorw( char *buf ) { |
| 1547 | | sprintf( buf, "lsrw " ); |
| 1548 | | do_addressing( buf ); |
| 1549 | | } |
| 1550 | | |
| 1551 | | static void asrw( char *buf ) { |
| 1552 | | sprintf( buf, "asrw " ); |
| 1553 | | do_addressing( buf ); |
| 1554 | | } |
| 1555 | | |
| 1556 | | static void aslw( char *buf ) { |
| 1557 | | sprintf( buf, "aslw " ); |
| 1558 | | do_addressing( buf ); |
| 1559 | | } |
| 1560 | | |
| 1561 | | static void rolw( char *buf ) { |
| 1562 | | sprintf( buf, "rolw " ); |
| 1563 | | do_addressing( buf ); |
| 1564 | | } |
| 1565 | | |
| 1566 | | static void absa( char *buf ) { |
| 1567 | | sprintf( buf, "absa" ); |
| 1568 | | } |
| 1569 | | |
| 1570 | | static void absb( char *buf ) { |
| 1571 | | sprintf( buf, "absb" ); |
| 1572 | | } |
| 1573 | | |
| 1574 | | static void absd( char *buf ) { |
| 1575 | | sprintf( buf, "absd" ); |
| 1576 | | } |
| 1577 | | |
| 1578 | | /********************************************************************************* |
| 1579 | | |
| 1580 | | Opcode Table |
| 1581 | | |
| 1582 | | *********************************************************************************/ |
| 1583 | | |
| 1584 | | struct konami_opcode_def { |
| 1585 | | void (*decode)( char *buf ); |
| 1586 | | int confirmed; |
| 1587 | | }; |
| 1588 | | |
| 1589 | | static const konami_opcode_def op_table[256] = { |
| 1590 | | /* 00 */ { illegal, 0 }, |
| 1591 | | /* 01 */ { illegal, 0 }, |
| 1592 | | /* 02 */ { illegal, 0 }, |
| 1593 | | /* 03 */ { illegal, 0 }, |
| 1594 | | /* 04 */ { illegal, 0 }, |
| 1595 | | /* 05 */ { illegal, 0 }, |
| 1596 | | /* 06 */ { illegal, 0 }, |
| 1597 | | /* 07 */ { illegal, 0 }, |
| 1598 | | /* 08 */ { leax, 1 }, |
| 1599 | | /* 09 */ { leay, 1 }, |
| 1600 | | /* 0a */ { leau, 1 }, |
| 1601 | | /* 0b */ { leas, 0 }, |
| 1602 | | /* 0c */ { pushs, 1 }, |
| 1603 | | /* 0d */ { pushu, 0 }, |
| 1604 | | /* 0e */ { pulls, 1 }, |
| 1605 | | /* 0f */ { pullu, 0 }, |
| 1606 | | |
| 1607 | | /* 10 */ { lda, 1 }, |
| 1608 | | /* 11 */ { ldb, 1 }, |
| 1609 | | /* 12 */ { lda2, 1 }, |
| 1610 | | /* 13 */ { ldb2, 1 }, |
| 1611 | | /* 14 */ { adda, 1 }, |
| 1612 | | /* 15 */ { addb, 1 }, |
| 1613 | | /* 16 */ { adda2, 1 }, |
| 1614 | | /* 17 */ { addb2, 1 }, |
| 1615 | | /* 18 */ { adca, 1 }, |
| 1616 | | /* 19 */ { adcb, 1 }, |
| 1617 | | /* 1a */ { adca2, 1 }, |
| 1618 | | /* 1b */ { adcb2, 1 }, |
| 1619 | | /* 1c */ { suba, 1 }, |
| 1620 | | /* 1d */ { subb, 1 }, |
| 1621 | | /* 1e */ { suba2, 1 }, |
| 1622 | | /* 1f */ { subb2, 1 }, |
| 1623 | | |
| 1624 | | /* 20 */ { sbca, 0 }, |
| 1625 | | /* 21 */ { sbcb, 0 }, |
| 1626 | | /* 22 */ { sbca2, 0 }, |
| 1627 | | /* 23 */ { sbcb2, 0 }, |
| 1628 | | /* 24 */ { anda, 1 }, |
| 1629 | | /* 25 */ { andb, 1 }, |
| 1630 | | /* 26 */ { anda2, 1 }, |
| 1631 | | /* 27 */ { andb2, 1 }, |
| 1632 | | /* 28 */ { bita, 0 }, |
| 1633 | | /* 29 */ { bitb, 0 }, |
| 1634 | | /* 2a */ { bita2, 0 }, |
| 1635 | | /* 2b */ { bitb2, 0 }, |
| 1636 | | /* 2c */ { eora, 0 }, |
| 1637 | | /* 2d */ { eorb, 0 }, |
| 1638 | | /* 2e */ { eora2, 0 }, |
| 1639 | | /* 2f */ { eorb2, 0 }, |
| 1640 | | |
| 1641 | | /* 30 */ { ora, 1 }, |
| 1642 | | /* 31 */ { orb, 1 }, |
| 1643 | | /* 32 */ { ora2, 1 }, |
| 1644 | | /* 33 */ { orb2, 1 }, |
| 1645 | | /* 34 */ { cmpa, 1 }, |
| 1646 | | /* 35 */ { cmpb, 1 }, |
| 1647 | | /* 36 */ { cmpa2, 1 }, |
| 1648 | | /* 37 */ { cmpb2, 1 }, |
| 1649 | | /* 38 */ { setlines, 0 }, |
| 1650 | | /* 39 */ { setlines2, 0 }, |
| 1651 | | /* 3a */ { sta2, 1 }, |
| 1652 | | /* 3b */ { stb2, 1 }, |
| 1653 | | /* 3c */ { andcc, 1 }, |
| 1654 | | /* 3d */ { orcc, 0 }, |
| 1655 | | /* 3e */ { exg, 0 }, |
| 1656 | | /* 3f */ { tfr, 0 }, |
| 1657 | | |
| 1658 | | /* 40 */ { ldd, 1 }, |
| 1659 | | /* 41 */ { ldd2, 1 }, |
| 1660 | | /* 42 */ { ldx, 1 }, |
| 1661 | | /* 43 */ { ldx2, 1 }, |
| 1662 | | /* 44 */ { ldy, 1 }, |
| 1663 | | /* 45 */ { ldy2, 1 }, |
| 1664 | | /* 46 */ { ldu, 1 }, |
| 1665 | | /* 47 */ { ldu2, 1 }, |
| 1666 | | /* 48 */ { lds, 1 }, |
| 1667 | | /* 49 */ { lds2, 1 }, |
| 1668 | | /* 4a */ { cmpd, 1 }, |
| 1669 | | /* 4b */ { cmpd2, 1 }, |
| 1670 | | /* 4c */ { cmpx, 1 }, |
| 1671 | | /* 4d */ { cmpx2, 1 }, |
| 1672 | | /* 4e */ { cmpy, 1 }, |
| 1673 | | /* 4f */ { cmpy2, 1 }, |
| 1674 | | |
| 1675 | | /* 50 */ { cmpu, 1 }, |
| 1676 | | /* 51 */ { cmpu2, 1 }, |
| 1677 | | /* 52 */ { cmps, 1 }, |
| 1678 | | /* 53 */ { cmps2, 1 }, |
| 1679 | | /* 54 */ { addd, 0 }, |
| 1680 | | /* 55 */ { addd2, 0 }, |
| 1681 | | /* 56 */ { subd, 1 }, |
| 1682 | | /* 57 */ { subd2, 0 }, |
| 1683 | | /* 58 */ { std2, 1 }, |
| 1684 | | /* 59 */ { stx2, 1 }, |
| 1685 | | /* 5a */ { sty2, 1 }, |
| 1686 | | /* 5b */ { stu2, 1 }, |
| 1687 | | /* 5c */ { sts2, 1 }, |
| 1688 | | /* 5d */ { illegal, 0 }, |
| 1689 | | /* 5e */ { illegal, 0 }, |
| 1690 | | /* 5f */ { illegal, 0 }, |
| 1691 | | |
| 1692 | | /* 60 */ { bra, 1 }, |
| 1693 | | /* 61 */ { bhi, 1 }, |
| 1694 | | /* 62 */ { bcc, 1 }, |
| 1695 | | /* 63 */ { bne, 1 }, |
| 1696 | | /* 64 */ { bvc, 1 }, |
| 1697 | | /* 65 */ { bpl, 1 }, |
| 1698 | | /* 66 */ { bge, 1 }, |
| 1699 | | /* 67 */ { bgt, 1 }, |
| 1700 | | /* 68 */ { lbra, 1 }, |
| 1701 | | /* 69 */ { lbhi, 1 }, |
| 1702 | | /* 6a */ { lbcc, 1 }, |
| 1703 | | /* 6b */ { lbne, 1 }, |
| 1704 | | /* 6c */ { lbvc, 1 }, |
| 1705 | | /* 6d */ { lbpl, 1 }, |
| 1706 | | /* 6e */ { lbge, 1 }, |
| 1707 | | /* 6f */ { lbgt, 1 }, |
| 1708 | | |
| 1709 | | /* 70 */ { brn, 1 }, |
| 1710 | | /* 71 */ { bls, 1 }, |
| 1711 | | /* 72 */ { bcs, 1 }, |
| 1712 | | /* 73 */ { beq, 1 }, |
| 1713 | | /* 74 */ { bvs, 1 }, |
| 1714 | | /* 75 */ { bmi, 1 }, |
| 1715 | | /* 76 */ { blt, 1 }, |
| 1716 | | /* 77 */ { ble, 1 }, |
| 1717 | | /* 78 */ { lbrn, 1 }, |
| 1718 | | /* 79 */ { lbls, 1 }, |
| 1719 | | /* 7a */ { lbcs, 1 }, |
| 1720 | | /* 7b */ { lbeq, 1 }, |
| 1721 | | /* 7c */ { lbvs, 1 }, |
| 1722 | | /* 7d */ { lbmi, 1 }, |
| 1723 | | /* 7e */ { lblt, 1 }, |
| 1724 | | /* 7f */ { lble, 1 }, |
| 1725 | | |
| 1726 | | /* 80 */ { clra, 1 }, |
| 1727 | | /* 81 */ { clrb, 1 }, |
| 1728 | | /* 82 */ { clr2, 1 }, |
| 1729 | | /* 83 */ { coma, 1 }, |
| 1730 | | /* 84 */ { comb, 0 }, |
| 1731 | | /* 85 */ { com2, 0 }, |
| 1732 | | /* 86 */ { nega, 0 }, |
| 1733 | | /* 87 */ { negb, 0 }, |
| 1734 | | /* 88 */ { neg2, 0 }, |
| 1735 | | /* 89 */ { inca, 1 }, |
| 1736 | | /* 8a */ { incb, 1 }, |
| 1737 | | /* 8b */ { inc2, 1 }, |
| 1738 | | /* 8c */ { deca, 1 }, |
| 1739 | | /* 8d */ { decb, 1 }, |
| 1740 | | /* 8e */ { dec2, 1 }, |
| 1741 | | /* 8f */ { rts, 1 }, |
| 1742 | | |
| 1743 | | /* 90 */ { tsta, 0 }, |
| 1744 | | /* 91 */ { tstb, 0 }, |
| 1745 | | /* 92 */ { tst2, 0 }, |
| 1746 | | /* 93 */ { lsra, 1 }, |
| 1747 | | /* 94 */ { lsrb, 1 }, |
| 1748 | | /* 95 */ { lsr2, 0 }, |
| 1749 | | /* 96 */ { rora, 0 }, |
| 1750 | | /* 97 */ { rorb, 0 }, |
| 1751 | | /* 98 */ { ror2, 0 }, |
| 1752 | | /* 99 */ { asra, 0 }, |
| 1753 | | /* 9a */ { asrb, 0 }, |
| 1754 | | /* 9b */ { asr2, 0 }, |
| 1755 | | /* 9c */ { asla, 1 }, |
| 1756 | | /* 9d */ { aslb, 1 }, |
| 1757 | | /* 9e */ { asl2, 0 }, |
| 1758 | | /* 9f */ { rti, 1 }, |
| 1759 | | |
| 1760 | | /* a0 */ { rola, 1 }, |
| 1761 | | /* a1 */ { rolb, 0 }, |
| 1762 | | /* a2 */ { rol2, 0 }, |
| 1763 | | /* a3 */ { lsrw, 0 }, |
| 1764 | | /* a4 */ { rorw, 0 }, |
| 1765 | | /* a5 */ { asrw, 0 }, |
| 1766 | | /* a6 */ { aslw, 0 }, |
| 1767 | | /* a7 */ { rolw, 0 }, |
| 1768 | | /* a8 */ { jmp2, 1 }, |
| 1769 | | /* a9 */ { jsr2, 1 }, |
| 1770 | | /* aa */ { bsr, 1 }, |
| 1771 | | /* ab */ { lbsr, 1 }, |
| 1772 | | /* ac */ { decbjnz, 0 }, |
| 1773 | | /* ad */ { decxjnz, 0 }, |
| 1774 | | /* ae */ { nop, 0 }, |
| 1775 | | /* af */ { illegal, 0 }, |
| 1776 | | |
| 1777 | | /* b0 */ { abx, 0 }, |
| 1778 | | /* b1 */ { daa, 0 }, |
| 1779 | | /* b2 */ { sex, 0 }, |
| 1780 | | /* b3 */ { mul, 1 }, |
| 1781 | | /* b4 */ { lmul, 0 }, |
| 1782 | | /* b5 */ { divx, 0 }, |
| 1783 | | /* b6 */ { bmove, 1 }, |
| 1784 | | /* b7 */ { move, 0 }, |
| 1785 | | /* b8 */ { lsrd, 0 }, |
| 1786 | | /* b9 */ { lsrd2, 0 }, |
| 1787 | | /* ba */ { rord, 0 }, |
| 1788 | | /* bb */ { rord2, 0 }, |
| 1789 | | /* bc */ { asrd, 0 }, |
| 1790 | | /* bd */ { asrd2, 0 }, |
| 1791 | | /* be */ { asld, 0 }, |
| 1792 | | /* bf */ { asld2, 0 }, |
| 1793 | | |
| 1794 | | /* c0 */ { rold, 0 }, |
| 1795 | | /* c1 */ { rold2, 0 }, |
| 1796 | | /* c2 */ { clrd, 1 }, |
| 1797 | | /* c3 */ { clrw, 0 }, |
| 1798 | | /* c4 */ { negd, 0 }, |
| 1799 | | /* c5 */ { negw, 0 }, |
| 1800 | | /* c6 */ { incd, 0 }, |
| 1801 | | /* c7 */ { incw, 0 }, |
| 1802 | | /* c8 */ { decd, 0 }, |
| 1803 | | /* c9 */ { decw, 0 }, |
| 1804 | | /* ca */ { tstd, 0 }, |
| 1805 | | /* cb */ { tstw, 0 }, |
| 1806 | | /* cc */ { absa, 0 }, |
| 1807 | | /* cd */ { absb, 0 }, |
| 1808 | | /* ce */ { absd, 0 }, |
| 1809 | | /* cf */ { bset, 0 }, |
| 1810 | | |
| 1811 | | /* d0 */ { bset2, 0 }, |
| 1812 | | /* d1 */ { illegal, 0 }, |
| 1813 | | /* d2 */ { illegal, 0 }, |
| 1814 | | /* d3 */ { illegal, 0 }, |
| 1815 | | /* d4 */ { illegal, 0 }, |
| 1816 | | /* d5 */ { illegal, 0 }, |
| 1817 | | /* d6 */ { illegal, 0 }, |
| 1818 | | /* d7 */ { illegal, 0 }, |
| 1819 | | /* d8 */ { illegal, 0 }, |
| 1820 | | /* d9 */ { illegal, 0 }, |
| 1821 | | /* da */ { illegal, 0 }, |
| 1822 | | /* db */ { illegal, 0 }, |
| 1823 | | /* dc */ { illegal, 0 }, |
| 1824 | | /* dd */ { illegal, 0 }, |
| 1825 | | /* de */ { illegal, 0 }, |
| 1826 | | /* df */ { illegal, 0 }, |
| 1827 | | |
| 1828 | | /* e0 */ { illegal, 0 }, |
| 1829 | | /* e1 */ { illegal, 0 }, |
| 1830 | | /* e2 */ { illegal, 0 }, |
| 1831 | | /* e3 */ { illegal, 0 }, |
| 1832 | | /* e4 */ { illegal, 0 }, |
| 1833 | | /* e5 */ { illegal, 0 }, |
| 1834 | | /* e6 */ { illegal, 0 }, |
| 1835 | | /* e7 */ { illegal, 0 }, |
| 1836 | | /* e8 */ { illegal, 0 }, |
| 1837 | | /* e9 */ { illegal, 0 }, |
| 1838 | | /* ea */ { illegal, 0 }, |
| 1839 | | /* eb */ { illegal, 0 }, |
| 1840 | | /* ec */ { illegal, 0 }, |
| 1841 | | /* ed */ { illegal, 0 }, |
| 1842 | | /* ee */ { illegal, 0 }, |
| 1843 | | /* ef */ { illegal, 0 }, |
| 1844 | | |
| 1845 | | /* f0 */ { illegal, 0 }, |
| 1846 | | /* f1 */ { illegal, 0 }, |
| 1847 | | /* f2 */ { illegal, 0 }, |
| 1848 | | /* f3 */ { illegal, 0 }, |
| 1849 | | /* f4 */ { illegal, 0 }, |
| 1850 | | /* f5 */ { illegal, 0 }, |
| 1851 | | /* f6 */ { illegal, 0 }, |
| 1852 | | /* f7 */ { illegal, 0 }, |
| 1853 | | /* f8 */ { illegal, 0 }, |
| 1854 | | /* f9 */ { illegal, 0 }, |
| 1855 | | /* fa */ { illegal, 0 }, |
| 1856 | | /* fb */ { illegal, 0 }, |
| 1857 | | /* fc */ { illegal, 0 }, |
| 1858 | | /* fd */ { illegal, 0 }, |
| 1859 | | /* fe */ { illegal, 0 }, |
| 1860 | | /* ff */ { illegal, 0 } |
| 1861 | | }; |
| 1862 | | |
| 1863 | | CPU_DISASSEMBLE( konami ) |
| 1864 | | { |
| 1865 | | buffer[0] = '\0'; |
| 1866 | | |
| 1867 | | local_pc = pc; |
| 1868 | | byte_count = 1; |
| 1869 | | opram_ptr = opram; |
| 1870 | | flags = 0; |
| 1871 | | |
| 1872 | | (op_table[*oprom].decode)( buffer ); |
| 1873 | | |
| 1874 | | return byte_count | flags | DASMFLAG_SUPPORTED; |
| 1875 | | } |
trunk/src/emu/cpu/konami/konami.c
| r21564 | r21565 | |
| 1 | | /*** konami: Portable Konami cpu emulator ****************************************** |
| 2 | | |
| 3 | | Copyright Nicola Salmoria and the MAME Team |
| 4 | | |
| 5 | | Based on M6809 cpu core copyright John Butler |
| 6 | | |
| 7 | | References: |
| 8 | | |
| 9 | | 6809 Simulator V09, By L.C. Benschop, Eidnhoven The Netherlands. |
| 10 | | |
| 11 | | m6809: Portable 6809 emulator, DS (6809 code in MAME, derived from |
| 12 | | the 6809 Simulator V09) |
| 13 | | |
| 14 | | 6809 Microcomputer Programming & Interfacing with Experiments" |
| 15 | | by Andrew C. Staugaard, Jr.; Howard W. Sams & Co., Inc. |
| 16 | | |
| 17 | | System dependencies: UINT16 must be 16 bit unsigned int |
| 18 | | UINT8 must be 8 bit unsigned int |
| 19 | | UINT32 must be more than 16 bits |
| 20 | | arrays up to 65536 bytes must be supported |
| 21 | | machine must be twos complement |
| 22 | | |
| 23 | | History: |
| 24 | | 991022 HJB: |
| 25 | | Tried to improve speed: Using bit7 of cycles1 as flag for multi |
| 26 | | byte opcodes is gone, those opcodes now instead go through opcode2(). |
| 27 | | Inlined fetch_effective_address() into that function as well. |
| 28 | | Got rid of the slow/fast flags for stack (S and U) memory accesses. |
| 29 | | Minor changes to use 32 bit values as arguments to memory functions |
| 30 | | and added defines for that purpose (e.g. X = 16bit XD = 32bit). |
| 31 | | |
| 32 | | 990720 EHC: |
| 33 | | Created this file |
| 34 | | |
| 35 | | *****************************************************************************/ |
| 36 | | |
| 37 | | #include "emu.h" |
| 38 | | #include "debugger.h" |
| 39 | | #include "konami.h" |
| 40 | | |
| 41 | | #define VERBOSE 0 |
| 42 | | |
| 43 | | #define LOG(x) do { if (VERBOSE) logerror x; } while (0) |
| 44 | | |
| 45 | | /* Konami Registers */ |
| 46 | | struct konami_state |
| 47 | | { |
| 48 | | PAIR pc; /* Program counter */ |
| 49 | | PAIR ppc; /* Previous program counter */ |
| 50 | | PAIR d; /* Accumulator a and b */ |
| 51 | | PAIR dp; /* Direct Page register (page in MSB) */ |
| 52 | | PAIR u, s; /* Stack pointers */ |
| 53 | | PAIR x, y; /* Index registers */ |
| 54 | | PAIR ea; |
| 55 | | UINT8 cc; |
| 56 | | UINT8 ireg; |
| 57 | | UINT8 irq_state[2]; |
| 58 | | device_irq_acknowledge_callback irq_callback; |
| 59 | | UINT8 int_state; /* SYNC and CWAI flags */ |
| 60 | | UINT8 nmi_state; |
| 61 | | UINT8 nmi_pending; |
| 62 | | int icount; |
| 63 | | legacy_cpu_device *device; |
| 64 | | address_space *program; |
| 65 | | direct_read_data *direct; |
| 66 | | konami_set_lines_func setlines_callback; |
| 67 | | }; |
| 68 | | |
| 69 | | INLINE konami_state *get_safe_token(device_t *device) |
| 70 | | { |
| 71 | | assert(device != NULL); |
| 72 | | assert(device->type() == KONAMI); |
| 73 | | return (konami_state *)downcast<legacy_cpu_device *>(device)->token(); |
| 74 | | } |
| 75 | | |
| 76 | | /* flag bits in the cc register */ |
| 77 | | #define CC_C 0x01 /* Carry */ |
| 78 | | #define CC_V 0x02 /* Overflow */ |
| 79 | | #define CC_Z 0x04 /* Zero */ |
| 80 | | #define CC_N 0x08 /* Negative */ |
| 81 | | #define CC_II 0x10 /* Inhibit IRQ */ |
| 82 | | #define CC_H 0x20 /* Half (auxiliary) carry */ |
| 83 | | #define CC_IF 0x40 /* Inhibit FIRQ */ |
| 84 | | #define CC_E 0x80 /* entire state pushed */ |
| 85 | | |
| 86 | | /* Konami registers */ |
| 87 | | #define pPPC cpustate->ppc |
| 88 | | #define pPC cpustate->pc |
| 89 | | #define pU cpustate->u |
| 90 | | #define pS cpustate->s |
| 91 | | #define pX cpustate->x |
| 92 | | #define pY cpustate->y |
| 93 | | #define pD cpustate->d |
| 94 | | |
| 95 | | #define PPC cpustate->ppc.w.l |
| 96 | | #define PC cpustate->pc.w.l |
| 97 | | #define PCD cpustate->pc.d |
| 98 | | #define U cpustate->u.w.l |
| 99 | | #define UD cpustate->u.d |
| 100 | | #define S cpustate->s.w.l |
| 101 | | #define SD cpustate->s.d |
| 102 | | #define X cpustate->x.w.l |
| 103 | | #define XD cpustate->x.d |
| 104 | | #define Y cpustate->y.w.l |
| 105 | | #define YD cpustate->y.d |
| 106 | | #define D cpustate->d.w.l |
| 107 | | #define A cpustate->d.b.h |
| 108 | | #define B cpustate->d.b.l |
| 109 | | #define DP cpustate->dp.b.h |
| 110 | | #define DPD cpustate->dp.d |
| 111 | | #define CC cpustate->cc |
| 112 | | |
| 113 | | #define EAB cpustate->ea.b.l |
| 114 | | #define EA cpustate->ea.w.l |
| 115 | | #define EAD cpustate->ea.d |
| 116 | | |
| 117 | | #define KONAMI_CWAI 8 /* set when CWAI is waiting for an interrupt */ |
| 118 | | #define KONAMI_SYNC 16 /* set when SYNC is waiting for an interrupt */ |
| 119 | | #define KONAMI_LDS 32 /* set when LDS occurred at least once */ |
| 120 | | |
| 121 | | #define RM(cs,Addr) (cs)->program->read_byte(Addr) |
| 122 | | #define WM(cs,Addr,Value) (cs)->program->write_byte(Addr,Value) |
| 123 | | #define ROP(cs,Addr) (cs)->direct->read_decrypted_byte(Addr) |
| 124 | | #define ROP_ARG(cs,Addr) (cs)->direct->read_raw_byte(Addr) |
| 125 | | |
| 126 | | #define SIGNED(a) (UINT16)(INT16)(INT8)(a) |
| 127 | | |
| 128 | | /* macros to access memory */ |
| 129 | | #define IMMBYTE(cs,b) { b = ROP_ARG(cs,PCD); PC++; } |
| 130 | | #define IMMWORD(cs,w) { w.d = (ROP_ARG(cs,PCD)<<8) | ROP_ARG(cs,PCD+1); PC += 2; } |
| 131 | | |
| 132 | | #define PUSHBYTE(cs,b) --S; WM(cs,SD,b) |
| 133 | | #define PUSHWORD(cs,w) --S; WM(cs,SD,w.b.l); --S; WM(cs,SD,w.b.h) |
| 134 | | #define PULLBYTE(cs,b) b=RM(cs,SD); S++ |
| 135 | | #define PULLWORD(cs,w) w=RM(cs,SD)<<8; S++; w|=RM(cs,SD); S++ |
| 136 | | |
| 137 | | #define PSHUBYTE(cs,b) --U; WM(cs,UD,b); |
| 138 | | #define PSHUWORD(cs,w) --U; WM(cs,UD,w.b.l); --U; WM(cs,UD,w.b.h) |
| 139 | | #define PULUBYTE(cs,b) b=RM(cs,UD); U++ |
| 140 | | #define PULUWORD(cs,w) w=RM(cs,UD)<<8; U++; w|=RM(cs,UD); U++ |
| 141 | | |
| 142 | | #define CLR_HNZVC CC&=~(CC_H|CC_N|CC_Z|CC_V|CC_C) |
| 143 | | #define CLR_NZV CC&=~(CC_N|CC_Z|CC_V) |
| 144 | | #define CLR_NZ CC&=~(CC_N|CC_Z) |
| 145 | | #define CLR_HNZC CC&=~(CC_H|CC_N|CC_Z|CC_C) |
| 146 | | #define CLR_NZVC CC&=~(CC_N|CC_Z|CC_V|CC_C) |
| 147 | | #define CLR_Z CC&=~(CC_Z) |
| 148 | | #define CLR_NZC CC&=~(CC_N|CC_Z|CC_C) |
| 149 | | #define CLR_ZC CC&=~(CC_Z|CC_C) |
| 150 | | |
| 151 | | /* macros for CC -- CC bits affected should be reset before calling */ |
| 152 | | #define SET_Z(a) if(!a)SEZ |
| 153 | | #define SET_Z8(a) SET_Z((UINT8)a) |
| 154 | | #define SET_Z16(a) SET_Z((UINT16)a) |
| 155 | | #define SET_N8(a) CC|=((a&0x80)>>4) |
| 156 | | #define SET_N16(a) CC|=((a&0x8000)>>12) |
| 157 | | #define SET_H(a,b,r) CC|=(((a^b^r)&0x10)<<1) |
| 158 | | #define SET_C8(a) CC|=((a&0x100)>>8) |
| 159 | | #define SET_C16(a) CC|=((a&0x10000)>>16) |
| 160 | | #define SET_V8(a,b,r) CC|=(((a^b^r^(r>>1))&0x80)>>6) |
| 161 | | #define SET_V16(a,b,r) CC|=(((a^b^r^(r>>1))&0x8000)>>14) |
| 162 | | |
| 163 | | static const UINT8 flags8i[256]= /* increment */ |
| 164 | | { |
| 165 | | CC_Z,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 166 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 167 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 168 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 169 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 170 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 171 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 172 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 173 | | CC_N|CC_V,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 174 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 175 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 176 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 177 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 178 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 179 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 180 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N |
| 181 | | }; |
| 182 | | static const UINT8 flags8d[256]= /* decrement */ |
| 183 | | { |
| 184 | | CC_Z,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 185 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 186 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 187 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 188 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 189 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 190 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 191 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,CC_V, |
| 192 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 193 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 194 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 195 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 196 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 197 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 198 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 199 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N |
| 200 | | }; |
| 201 | | #define SET_FLAGS8I(a) {CC|=flags8i[(a)&0xff];} |
| 202 | | #define SET_FLAGS8D(a) {CC|=flags8d[(a)&0xff];} |
| 203 | | |
| 204 | | /* combos */ |
| 205 | | #define SET_NZ8(a) {SET_N8(a);SET_Z(a);} |
| 206 | | #define SET_NZ16(a) {SET_N16(a);SET_Z(a);} |
| 207 | | #define SET_FLAGS8(a,b,r) {SET_N8(r);SET_Z8(r);SET_V8(a,b,r);SET_C8(r);} |
| 208 | | #define SET_FLAGS16(a,b,r) {SET_N16(r);SET_Z16(r);SET_V16(a,b,r);SET_C16(r);} |
| 209 | | |
| 210 | | /* macros for addressing modes (postbytes have their own code) */ |
| 211 | | #define DIRECT(cs) EAD = DPD; IMMBYTE(cs,EAB) |
| 212 | | #define IMM8(cs) EAD = PCD; PC++ |
| 213 | | #define IMM16(cs) EAD = PCD; PC+=2 |
| 214 | | #define EXTENDED(cs) IMMWORD(cs,(cs)->ea) |
| 215 | | |
| 216 | | /* macros to set status flags */ |
| 217 | | #if defined(SEC) |
| 218 | | #undef SEC |
| 219 | | #endif |
| 220 | | #define SEC CC|=CC_C |
| 221 | | #define CLC CC&=~CC_C |
| 222 | | #define SEZ CC|=CC_Z |
| 223 | | #define CLZ CC&=~CC_Z |
| 224 | | #define SEN CC|=CC_N |
| 225 | | #define CLN CC&=~CC_N |
| 226 | | #define SEV CC|=CC_V |
| 227 | | #define CLV CC&=~CC_V |
| 228 | | #define SEH CC|=CC_H |
| 229 | | #define CLH CC&=~CC_H |
| 230 | | |
| 231 | | /* macros for convenience */ |
| 232 | | #define DIRBYTE(cs,b) DIRECT(cs); b=RM(cs,EAD) |
| 233 | | #define DIRWORD(cs,w) DIRECT(cs); w.d=RM16(cs,EAD) |
| 234 | | #define EXTBYTE(cs,b) EXTENDED(cs); b=RM(cs,EAD) |
| 235 | | #define EXTWORD(cs,w) EXTENDED(cs); w.d=RM16(cs,EAD) |
| 236 | | |
| 237 | | /* macros for branch instructions */ |
| 238 | | #define BRANCH(cs,f) { \ |
| 239 | | UINT8 t; \ |
| 240 | | IMMBYTE(cs,t); \ |
| 241 | | if( f ) \ |
| 242 | | { \ |
| 243 | | PC += SIGNED(t); \ |
| 244 | | } \ |
| 245 | | } |
| 246 | | |
| 247 | | #define LBRANCH(cs,f) { \ |
| 248 | | PAIR t; \ |
| 249 | | IMMWORD(cs,t); \ |
| 250 | | if( f ) \ |
| 251 | | { \ |
| 252 | | cpustate->icount -= 1; \ |
| 253 | | PC += t.w.l; \ |
| 254 | | } \ |
| 255 | | } |
| 256 | | |
| 257 | | #define NXORV ((CC&CC_N)^((CC&CC_V)<<2)) |
| 258 | | |
| 259 | | /* macros for setting/getting registers in TFR/EXG instructions */ |
| 260 | | #define GETREG(val,reg) \ |
| 261 | | switch(reg) { \ |
| 262 | | case 0: val = A; break; \ |
| 263 | | case 1: val = B; break; \ |
| 264 | | case 2: val = X; break; \ |
| 265 | | case 3: val = Y; break; \ |
| 266 | | case 4: val = S; break; /* ? */ \ |
| 267 | | case 5: val = U; break; \ |
| 268 | | default: val = 0xff; logerror("Unknown TFR/EXG idx at PC:%04x\n", PC ); break; \ |
| 269 | | } |
| 270 | | |
| 271 | | #define SETREG(val,reg) \ |
| 272 | | switch(reg) { \ |
| 273 | | case 0: A = val; break; \ |
| 274 | | case 1: B = val; break; \ |
| 275 | | case 2: X = val; break; \ |
| 276 | | case 3: Y = val; break; \ |
| 277 | | case 4: S = val; break; /* ? */ \ |
| 278 | | case 5: U = val; break; \ |
| 279 | | default: logerror("Unknown TFR/EXG idx at PC:%04x\n", PC ); break; \ |
| 280 | | } |
| 281 | | |
| 282 | | /* opcode timings */ |
| 283 | | static const UINT8 cycles1[] = |
| 284 | | { |
| 285 | | /* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ |
| 286 | | /*0*/ 1, 1, 1, 1, 1, 1, 1, 1, 4, 4, 4, 4, 5, 5, 5, 5, |
| 287 | | /*1*/ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 288 | | /*2*/ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 289 | | /*3*/ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 7, 6, |
| 290 | | /*4*/ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 3, 3, 4, 4, |
| 291 | | /*5*/ 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, |
| 292 | | /*6*/ 3, 3, 3, 3, 3, 3, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, |
| 293 | | /*7*/ 3, 3, 3, 3, 3, 3, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, |
| 294 | | /*8*/ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 5, |
| 295 | | /*9*/ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, |
| 296 | | /*A*/ 2, 2, 2, 4, 4, 4, 4, 4, 2, 2, 2, 2, 3, 3, 2, 1, |
| 297 | | /*B*/ 3, 2, 2,11,22,11, 2, 4, 3, 3, 3, 3, 3, 3, 3, 3, |
| 298 | | /*C*/ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 3, 2, |
| 299 | | /*D*/ 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 300 | | /*E*/ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 301 | | /*F*/ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 |
| 302 | | }; |
| 303 | | |
| 304 | | INLINE UINT32 RM16( konami_state *cpustate, UINT32 Addr ) |
| 305 | | { |
| 306 | | UINT32 result = RM(cpustate, Addr) << 8; |
| 307 | | return result | RM(cpustate, (Addr+1)&0xffff); |
| 308 | | } |
| 309 | | |
| 310 | | INLINE void WM16( konami_state *cpustate, UINT32 Addr, PAIR *p ) |
| 311 | | { |
| 312 | | WM(cpustate, Addr, p->b.h ); |
| 313 | | WM(cpustate, (Addr+1)&0xffff, p->b.l ); |
| 314 | | } |
| 315 | | |
| 316 | | |
| 317 | | static void check_irq_lines(konami_state *cpustate) |
| 318 | | { |
| 319 | | if (cpustate->nmi_pending && (cpustate->int_state & KONAMI_LDS)) |
| 320 | | { |
| 321 | | cpustate->nmi_pending = FALSE; |
| 322 | | |
| 323 | | /* state already saved by CWAI? */ |
| 324 | | if (cpustate->int_state & KONAMI_CWAI) |
| 325 | | { |
| 326 | | cpustate->int_state &= ~KONAMI_CWAI; |
| 327 | | cpustate->icount -= 7; |
| 328 | | } |
| 329 | | else |
| 330 | | { |
| 331 | | CC |= CC_E; /* save entire state */ |
| 332 | | PUSHWORD(cpustate, pPC); |
| 333 | | PUSHWORD(cpustate, pU); |
| 334 | | PUSHWORD(cpustate, pY); |
| 335 | | PUSHWORD(cpustate, pX); |
| 336 | | PUSHBYTE(cpustate, DP); |
| 337 | | PUSHBYTE(cpustate, B); |
| 338 | | PUSHBYTE(cpustate, A); |
| 339 | | PUSHBYTE(cpustate, CC); |
| 340 | | cpustate->icount -= 19; |
| 341 | | } |
| 342 | | CC |= CC_IF | CC_II; /* inhibit FIRQ and IRQ */ |
| 343 | | PCD = RM16(cpustate, 0xfffc); |
| 344 | | (void)(*cpustate->irq_callback)(cpustate->device, INPUT_LINE_NMI); |
| 345 | | } |
| 346 | | |
| 347 | | else if (cpustate->irq_state[KONAMI_FIRQ_LINE] !=CLEAR_LINE && !(CC & CC_IF)) |
| 348 | | { |
| 349 | | /* fast IRQ */ |
| 350 | | /* state already saved by CWAI? */ |
| 351 | | if (cpustate->int_state & KONAMI_CWAI) |
| 352 | | { |
| 353 | | cpustate->int_state &= ~KONAMI_CWAI; /* clear CWAI */ |
| 354 | | cpustate->icount -= 7; |
| 355 | | } |
| 356 | | else |
| 357 | | { |
| 358 | | CC &= ~CC_E; /* save 'short' state */ |
| 359 | | PUSHWORD(cpustate, pPC); |
| 360 | | PUSHBYTE(cpustate, CC); |
| 361 | | cpustate->icount -= 10; |
| 362 | | } |
| 363 | | CC |= CC_IF | CC_II; /* inhibit FIRQ and IRQ */ |
| 364 | | PCD = RM16(cpustate, 0xfff6); |
| 365 | | (void)(*cpustate->irq_callback)(cpustate->device, KONAMI_FIRQ_LINE); |
| 366 | | } |
| 367 | | |
| 368 | | else if (cpustate->irq_state[KONAMI_IRQ_LINE] != CLEAR_LINE && !(CC & CC_II)) |
| 369 | | { |
| 370 | | /* standard IRQ */ |
| 371 | | /* state already saved by CWAI? */ |
| 372 | | if (cpustate->int_state & KONAMI_CWAI) |
| 373 | | { |
| 374 | | cpustate->int_state &= ~KONAMI_CWAI; /* clear CWAI flag */ |
| 375 | | cpustate->icount -= 7; |
| 376 | | } |
| 377 | | else |
| 378 | | { |
| 379 | | CC |= CC_E; /* save entire state */ |
| 380 | | PUSHWORD(cpustate, pPC); |
| 381 | | PUSHWORD(cpustate, pU); |
| 382 | | PUSHWORD(cpustate, pY); |
| 383 | | PUSHWORD(cpustate, pX); |
| 384 | | PUSHBYTE(cpustate, DP); |
| 385 | | PUSHBYTE(cpustate, B); |
| 386 | | PUSHBYTE(cpustate, A); |
| 387 | | PUSHBYTE(cpustate, CC); |
| 388 | | cpustate->icount -= 19; |
| 389 | | } |
| 390 | | CC |= CC_II; /* inhibit IRQ */ |
| 391 | | PCD = RM16(cpustate, 0xfff8); |
| 392 | | (void)(*cpustate->irq_callback)(cpustate->device, KONAMI_IRQ_LINE); |
| 393 | | } |
| 394 | | } |
| 395 | | |
| 396 | | |
| 397 | | /****************************************************************************/ |
| 398 | | /* Reset registers to their initial values */ |
| 399 | | /****************************************************************************/ |
| 400 | | static CPU_INIT( konami ) |
| 401 | | { |
| 402 | | konami_state *cpustate = get_safe_token(device); |
| 403 | | |
| 404 | | cpustate->irq_callback = irqcallback; |
| 405 | | cpustate->device = device; |
| 406 | | cpustate->program = &device->space(AS_PROGRAM); |
| 407 | | cpustate->direct = &cpustate->program->direct(); |
| 408 | | |
| 409 | | device->save_item(NAME(PC)); |
| 410 | | device->save_item(NAME(U)); |
| 411 | | device->save_item(NAME(S)); |
| 412 | | device->save_item(NAME(X)); |
| 413 | | device->save_item(NAME(Y)); |
| 414 | | device->save_item(NAME(D)); |
| 415 | | device->save_item(NAME(DP)); |
| 416 | | device->save_item(NAME(CC)); |
| 417 | | device->save_item(NAME(cpustate->int_state)); |
| 418 | | device->save_item(NAME(cpustate->nmi_state)); |
| 419 | | device->save_item(NAME(cpustate->nmi_pending)); |
| 420 | | device->save_item(NAME(cpustate->irq_state[0])); |
| 421 | | device->save_item(NAME(cpustate->irq_state[1])); |
| 422 | | } |
| 423 | | |
| 424 | | static CPU_RESET( konami ) |
| 425 | | { |
| 426 | | konami_state *cpustate = get_safe_token(device); |
| 427 | | |
| 428 | | cpustate->int_state = 0; |
| 429 | | cpustate->nmi_state = CLEAR_LINE; |
| 430 | | cpustate->nmi_pending = FALSE; |
| 431 | | cpustate->irq_state[0] = CLEAR_LINE; |
| 432 | | cpustate->irq_state[1] = CLEAR_LINE; |
| 433 | | |
| 434 | | DPD = 0; /* Reset direct page register */ |
| 435 | | |
| 436 | | CC |= CC_II; /* IRQ disabled */ |
| 437 | | CC |= CC_IF; /* FIRQ disabled */ |
| 438 | | |
| 439 | | PCD = RM16(cpustate, 0xfffe); |
| 440 | | } |
| 441 | | |
| 442 | | static CPU_EXIT( konami ) |
| 443 | | { |
| 444 | | } |
| 445 | | |
| 446 | | /* Generate interrupts */ |
| 447 | | /**************************************************************************** |
| 448 | | * Set IRQ line state |
| 449 | | ****************************************************************************/ |
| 450 | | static void set_irq_line(konami_state *cpustate, int irqline, int state) |
| 451 | | { |
| 452 | | if (state != CLEAR_LINE) |
| 453 | | cpustate->int_state &= ~KONAMI_SYNC; |
| 454 | | |
| 455 | | if (irqline == INPUT_LINE_NMI) |
| 456 | | { |
| 457 | | if (cpustate->nmi_state == CLEAR_LINE && state != CLEAR_LINE) |
| 458 | | cpustate->nmi_pending = TRUE; |
| 459 | | cpustate->nmi_state = state; |
| 460 | | } |
| 461 | | else if (irqline < ARRAY_LENGTH(cpustate->irq_state)) |
| 462 | | cpustate->irq_state[irqline] = state; |
| 463 | | } |
| 464 | | |
| 465 | | /* includes the static function prototypes and the master opcode table */ |
| 466 | | #include "konamtbl.c" |
| 467 | | |
| 468 | | /* includes the actual opcode implementations */ |
| 469 | | #include "konamops.c" |
| 470 | | |
| 471 | | /* execute instructions on this CPU until icount expires */ |
| 472 | | static CPU_EXECUTE( konami ) |
| 473 | | { |
| 474 | | konami_state *cpustate = get_safe_token(device); |
| 475 | | |
| 476 | | check_irq_lines(cpustate); |
| 477 | | |
| 478 | | if( cpustate->int_state & (KONAMI_CWAI | KONAMI_SYNC) ) |
| 479 | | { |
| 480 | | cpustate->icount = 0; |
| 481 | | } |
| 482 | | else |
| 483 | | { |
| 484 | | do |
| 485 | | { |
| 486 | | UINT8 ireg; |
| 487 | | |
| 488 | | pPPC = pPC; |
| 489 | | |
| 490 | | debugger_instruction_hook(device, PCD); |
| 491 | | |
| 492 | | cpustate->ireg = ireg = ROP(cpustate, PCD); |
| 493 | | PC++; |
| 494 | | |
| 495 | | (*konami_main[ireg])(cpustate); |
| 496 | | |
| 497 | | cpustate->icount -= cycles1[ireg]; |
| 498 | | |
| 499 | | } while( cpustate->icount > 0 ); |
| 500 | | } |
| 501 | | } |
| 502 | | |
| 503 | | |
| 504 | | void konami_configure_set_lines(device_t *device, konami_set_lines_func func) |
| 505 | | { |
| 506 | | konami_state *cpustate = get_safe_token(device); |
| 507 | | cpustate->setlines_callback = func; |
| 508 | | } |
| 509 | | |
| 510 | | |
| 511 | | /************************************************************************** |
| 512 | | * Generic set_info |
| 513 | | **************************************************************************/ |
| 514 | | |
| 515 | | static CPU_SET_INFO( konami ) |
| 516 | | { |
| 517 | | konami_state *cpustate = get_safe_token(device); |
| 518 | | switch (state) |
| 519 | | { |
| 520 | | /* --- the following bits of info are set as 64-bit signed integers --- */ |
| 521 | | case CPUINFO_INT_INPUT_STATE + KONAMI_IRQ_LINE: set_irq_line(cpustate, KONAMI_IRQ_LINE, info->i); break; |
| 522 | | case CPUINFO_INT_INPUT_STATE + KONAMI_FIRQ_LINE:set_irq_line(cpustate, KONAMI_FIRQ_LINE, info->i); break; |
| 523 | | case CPUINFO_INT_INPUT_STATE + INPUT_LINE_NMI: set_irq_line(cpustate, INPUT_LINE_NMI, info->i); break; |
| 524 | | |
| 525 | | case CPUINFO_INT_PC: |
| 526 | | case CPUINFO_INT_REGISTER + KONAMI_PC: PC = info->i; break; |
| 527 | | case CPUINFO_INT_SP: |
| 528 | | case CPUINFO_INT_REGISTER + KONAMI_S: S = info->i; break; |
| 529 | | case CPUINFO_INT_REGISTER + KONAMI_CC: CC = info->i; break; |
| 530 | | case CPUINFO_INT_REGISTER + KONAMI_U: U = info->i; break; |
| 531 | | case CPUINFO_INT_REGISTER + KONAMI_A: A = info->i; break; |
| 532 | | case CPUINFO_INT_REGISTER + KONAMI_B: B = info->i; break; |
| 533 | | case CPUINFO_INT_REGISTER + KONAMI_X: X = info->i; break; |
| 534 | | case CPUINFO_INT_REGISTER + KONAMI_Y: Y = info->i; break; |
| 535 | | case CPUINFO_INT_REGISTER + KONAMI_DP: DP = info->i; break; |
| 536 | | } |
| 537 | | } |
| 538 | | |
| 539 | | |
| 540 | | |
| 541 | | /************************************************************************** |
| 542 | | * Generic get_info |
| 543 | | **************************************************************************/ |
| 544 | | |
| 545 | | CPU_GET_INFO( konami ) |
| 546 | | { |
| 547 | | konami_state *cpustate = (device != NULL && device->token() != NULL) ? get_safe_token(device) : NULL; |
| 548 | | switch (state) |
| 549 | | { |
| 550 | | /* --- the following bits of info are returned as 64-bit signed integers --- */ |
| 551 | | case CPUINFO_INT_CONTEXT_SIZE: info->i = sizeof(konami_state); break; |
| 552 | | case CPUINFO_INT_INPUT_LINES: info->i = 2; break; |
| 553 | | case CPUINFO_INT_DEFAULT_IRQ_VECTOR: info->i = 0; break; |
| 554 | | case CPUINFO_INT_ENDIANNESS: info->i = ENDIANNESS_BIG; break; |
| 555 | | case CPUINFO_INT_CLOCK_MULTIPLIER: info->i = 1; break; |
| 556 | | case CPUINFO_INT_CLOCK_DIVIDER: info->i = 1; break; |
| 557 | | case CPUINFO_INT_MIN_INSTRUCTION_BYTES: info->i = 1; break; |
| 558 | | case CPUINFO_INT_MAX_INSTRUCTION_BYTES: info->i = 4; break; |
| 559 | | case CPUINFO_INT_MIN_CYCLES: info->i = 1; break; |
| 560 | | case CPUINFO_INT_MAX_CYCLES: info->i = 13; break; |
| 561 | | |
| 562 | | case CPUINFO_INT_DATABUS_WIDTH + AS_PROGRAM: info->i = 8; break; |
| 563 | | case CPUINFO_INT_ADDRBUS_WIDTH + AS_PROGRAM: info->i = 16; break; |
| 564 | | case CPUINFO_INT_ADDRBUS_SHIFT + AS_PROGRAM: info->i = 0; break; |
| 565 | | case CPUINFO_INT_DATABUS_WIDTH + AS_DATA: info->i = 0; break; |
| 566 | | case CPUINFO_INT_ADDRBUS_WIDTH + AS_DATA: info->i = 0; break; |
| 567 | | case CPUINFO_INT_ADDRBUS_SHIFT + AS_DATA: info->i = 0; break; |
| 568 | | case CPUINFO_INT_DATABUS_WIDTH + AS_IO: info->i = 0; break; |
| 569 | | case CPUINFO_INT_ADDRBUS_WIDTH + AS_IO: info->i = 0; break; |
| 570 | | case CPUINFO_INT_ADDRBUS_SHIFT + AS_IO: info->i = 0; break; |
| 571 | | |
| 572 | | case CPUINFO_INT_INPUT_STATE + KONAMI_IRQ_LINE: info->i = cpustate->irq_state[KONAMI_IRQ_LINE]; break; |
| 573 | | case CPUINFO_INT_INPUT_STATE + KONAMI_FIRQ_LINE:info->i = cpustate->irq_state[KONAMI_FIRQ_LINE]; break; |
| 574 | | case CPUINFO_INT_INPUT_STATE + INPUT_LINE_NMI: info->i = cpustate->nmi_state; break; |
| 575 | | |
| 576 | | case CPUINFO_INT_PREVIOUSPC: info->i = PPC; break; |
| 577 | | |
| 578 | | case CPUINFO_INT_PC: |
| 579 | | case CPUINFO_INT_REGISTER + KONAMI_PC: info->i = PC; break; |
| 580 | | case CPUINFO_INT_SP: |
| 581 | | case CPUINFO_INT_REGISTER + KONAMI_S: info->i = S; break; |
| 582 | | case CPUINFO_INT_REGISTER + KONAMI_CC: info->i = CC; break; |
| 583 | | case CPUINFO_INT_REGISTER + KONAMI_U: info->i = U; break; |
| 584 | | case CPUINFO_INT_REGISTER + KONAMI_A: info->i = A; break; |
| 585 | | case CPUINFO_INT_REGISTER + KONAMI_B: info->i = B; break; |
| 586 | | case CPUINFO_INT_REGISTER + KONAMI_X: info->i = X; break; |
| 587 | | case CPUINFO_INT_REGISTER + KONAMI_Y: info->i = Y; break; |
| 588 | | case CPUINFO_INT_REGISTER + KONAMI_DP: info->i = DP; break; |
| 589 | | |
| 590 | | /* --- the following bits of info are returned as pointers to data or functions --- */ |
| 591 | | case CPUINFO_FCT_SET_INFO: info->setinfo = CPU_SET_INFO_NAME(konami); break; |
| 592 | | case CPUINFO_FCT_INIT: info->init = CPU_INIT_NAME(konami); break; |
| 593 | | case CPUINFO_FCT_RESET: info->reset = CPU_RESET_NAME(konami); break; |
| 594 | | case CPUINFO_FCT_EXIT: info->exit = CPU_EXIT_NAME(konami); break; |
| 595 | | case CPUINFO_FCT_EXECUTE: info->execute = CPU_EXECUTE_NAME(konami); break; |
| 596 | | case CPUINFO_FCT_BURN: info->burn = NULL; break; |
| 597 | | case CPUINFO_FCT_DISASSEMBLE: info->disassemble = CPU_DISASSEMBLE_NAME(konami);break; |
| 598 | | case CPUINFO_PTR_INSTRUCTION_COUNTER: info->icount = &cpustate->icount; break; |
| 599 | | |
| 600 | | /* --- the following bits of info are returned as NULL-terminated strings --- */ |
| 601 | | case CPUINFO_STR_NAME: strcpy(info->s, "KONAMI"); break; |
| 602 | | case CPUINFO_STR_FAMILY: strcpy(info->s, "KONAMI 5000x"); break; |
| 603 | | case CPUINFO_STR_VERSION: strcpy(info->s, "1.0"); break; |
| 604 | | case CPUINFO_STR_SOURCE_FILE: strcpy(info->s, __FILE__); break; |
| 605 | | case CPUINFO_STR_CREDITS: strcpy(info->s, "Copyright Nicola Salmoria and the MAME Team"); break; |
| 606 | | |
| 607 | | case CPUINFO_STR_FLAGS: |
| 608 | | sprintf(info->s, "%c%c%c%c%c%c%c%c", |
| 609 | | cpustate->cc & 0x80 ? 'E':'.', |
| 610 | | cpustate->cc & 0x40 ? 'F':'.', |
| 611 | | cpustate->cc & 0x20 ? 'H':'.', |
| 612 | | cpustate->cc & 0x10 ? 'I':'.', |
| 613 | | cpustate->cc & 0x08 ? 'N':'.', |
| 614 | | cpustate->cc & 0x04 ? 'Z':'.', |
| 615 | | cpustate->cc & 0x02 ? 'V':'.', |
| 616 | | cpustate->cc & 0x01 ? 'C':'.'); |
| 617 | | break; |
| 618 | | |
| 619 | | case CPUINFO_STR_REGISTER + KONAMI_PC: sprintf(info->s, "PC:%04X", cpustate->pc.w.l); break; |
| 620 | | case CPUINFO_STR_REGISTER + KONAMI_S: sprintf(info->s, "S:%04X", cpustate->s.w.l); break; |
| 621 | | case CPUINFO_STR_REGISTER + KONAMI_CC: sprintf(info->s, "CC:%02X", cpustate->cc); break; |
| 622 | | case CPUINFO_STR_REGISTER + KONAMI_U: sprintf(info->s, "U:%04X", cpustate->u.w.l); break; |
| 623 | | case CPUINFO_STR_REGISTER + KONAMI_A: sprintf(info->s, "A:%02X", cpustate->d.b.h); break; |
| 624 | | case CPUINFO_STR_REGISTER + KONAMI_B: sprintf(info->s, "B:%02X", cpustate->d.b.l); break; |
| 625 | | case CPUINFO_STR_REGISTER + KONAMI_X: sprintf(info->s, "X:%04X", cpustate->x.w.l); break; |
| 626 | | case CPUINFO_STR_REGISTER + KONAMI_Y: sprintf(info->s, "Y:%04X", cpustate->y.w.l); break; |
| 627 | | case CPUINFO_STR_REGISTER + KONAMI_DP: sprintf(info->s, "DP:%02X", cpustate->dp.b.h); break; |
| 628 | | } |
| 629 | | } |
| 630 | | |
| 631 | | DEFINE_LEGACY_CPU_DEVICE(KONAMI, konami); |
trunk/src/emu/cpu/m6809/6809ops.c
| r21564 | r21565 | |
| 1 | | /* |
| 2 | | |
| 3 | | HNZVC |
| 4 | | |
| 5 | | ? = undefined |
| 6 | | * = affected |
| 7 | | - = unaffected |
| 8 | | 0 = cleared |
| 9 | | 1 = set |
| 10 | | # = CCr directly affected by instruction |
| 11 | | @ = special - carry set if bit 7 is set |
| 12 | | |
| 13 | | */ |
| 14 | | |
| 15 | | #define OP_HANDLER(_name) void m6809_base_device::_name() |
| 16 | | |
| 17 | | OP_HANDLER( illegal ) |
| 18 | | { |
| 19 | | logerror("M6809: illegal opcode at %04x\n",PC); |
| 20 | | } |
| 21 | | |
| 22 | | void m6809_base_device::IIError() |
| 23 | | { |
| 24 | | illegal(); // Vector to Trap handler |
| 25 | | } |
| 26 | | |
| 27 | | /* $00 NEG direct ?**** */ |
| 28 | | OP_HANDLER( neg_di ) |
| 29 | | { |
| 30 | | UINT16 r,t; |
| 31 | | DIRBYTE(t); |
| 32 | | r = -t; |
| 33 | | CLR_NZVC; |
| 34 | | SET_FLAGS8(0,t,r); |
| 35 | | WM(EAD,r); |
| 36 | | } |
| 37 | | |
| 38 | | /* $01 ILLEGAL, same as $00 */ |
| 39 | | |
| 40 | | /* $02 ILLEGAL, same as $03 */ |
| 41 | | |
| 42 | | /* $03 COM direct -**01 */ |
| 43 | | OP_HANDLER( com_di ) |
| 44 | | { |
| 45 | | UINT8 t; |
| 46 | | DIRBYTE(t); |
| 47 | | t = ~t; |
| 48 | | CLR_NZV; |
| 49 | | SET_NZ8(t); |
| 50 | | SEC; |
| 51 | | WM(EAD,t); |
| 52 | | } |
| 53 | | |
| 54 | | /* $04 LSR direct -0*-* */ |
| 55 | | OP_HANDLER( lsr_di ) |
| 56 | | { |
| 57 | | UINT8 t; |
| 58 | | DIRBYTE(t); |
| 59 | | CLR_NZC; |
| 60 | | CC |= (t & CC_C); |
| 61 | | t >>= 1; |
| 62 | | SET_Z8(t); |
| 63 | | WM(EAD,t); |
| 64 | | } |
| 65 | | |
| 66 | | /* $05 ILLEGAL, same as $04 */ |
| 67 | | |
| 68 | | /* $06 ROR direct -**-* */ |
| 69 | | OP_HANDLER( ror_di ) |
| 70 | | { |
| 71 | | UINT8 t,r; |
| 72 | | DIRBYTE(t); |
| 73 | | r= (CC & CC_C) << 7; |
| 74 | | CLR_NZC; |
| 75 | | CC |= (t & CC_C); |
| 76 | | r |= t>>1; |
| 77 | | SET_NZ8(r); |
| 78 | | WM(EAD,r); |
| 79 | | } |
| 80 | | |
| 81 | | /* $07 ASR direct ?**-* */ |
| 82 | | OP_HANDLER( asr_di ) |
| 83 | | { |
| 84 | | UINT8 t; |
| 85 | | DIRBYTE(t); |
| 86 | | CLR_NZC; |
| 87 | | CC |= (t & CC_C); |
| 88 | | t = (t & 0x80) | (t >> 1); |
| 89 | | SET_NZ8(t); |
| 90 | | WM(EAD,t); |
| 91 | | } |
| 92 | | |
| 93 | | /* $08 ASL direct ?**** */ |
| 94 | | OP_HANDLER( asl_di ) |
| 95 | | { |
| 96 | | UINT16 t,r; |
| 97 | | DIRBYTE(t); |
| 98 | | r = t << 1; |
| 99 | | CLR_NZVC; |
| 100 | | SET_FLAGS8(t,t,r); |
| 101 | | WM(EAD,r); |
| 102 | | } |
| 103 | | |
| 104 | | /* $09 ROL direct -**** */ |
| 105 | | OP_HANDLER( rol_di ) |
| 106 | | { |
| 107 | | UINT16 t,r; |
| 108 | | DIRBYTE(t); |
| 109 | | r = (CC & CC_C) | (t << 1); |
| 110 | | CLR_NZVC; |
| 111 | | SET_FLAGS8(t,t,r); |
| 112 | | WM(EAD,r); |
| 113 | | } |
| 114 | | |
| 115 | | /* $0A DEC direct -***- */ |
| 116 | | OP_HANDLER( dec_di ) |
| 117 | | { |
| 118 | | UINT8 t; |
| 119 | | DIRBYTE(t); |
| 120 | | --t; |
| 121 | | CLR_NZV; |
| 122 | | SET_FLAGS8D(t); |
| 123 | | WM(EAD,t); |
| 124 | | } |
| 125 | | |
| 126 | | /* $0B ILLEGAL, same as $0A */ |
| 127 | | |
| 128 | | /* $OC INC direct -***- */ |
| 129 | | OP_HANDLER( inc_di ) |
| 130 | | { |
| 131 | | UINT8 t; |
| 132 | | DIRBYTE(t); |
| 133 | | ++t; |
| 134 | | CLR_NZV; |
| 135 | | SET_FLAGS8I(t); |
| 136 | | WM(EAD,t); |
| 137 | | } |
| 138 | | |
| 139 | | /* $OD TST direct -**0- */ |
| 140 | | OP_HANDLER( tst_di ) |
| 141 | | { |
| 142 | | UINT8 t; |
| 143 | | DIRBYTE(t); |
| 144 | | CLR_NZV; |
| 145 | | SET_NZ8(t); |
| 146 | | } |
| 147 | | |
| 148 | | /* $0E JMP direct ----- */ |
| 149 | | OP_HANDLER( jmp_di ) |
| 150 | | { |
| 151 | | DIRECT; |
| 152 | | PCD = EAD; |
| 153 | | } |
| 154 | | |
| 155 | | /* $0F CLR direct -0100 */ |
| 156 | | OP_HANDLER( clr_di ) |
| 157 | | { |
| 158 | | DIRECT; |
| 159 | | (void)RM(EAD); |
| 160 | | WM(EAD,0); |
| 161 | | CLR_NZVC; |
| 162 | | SEZ; |
| 163 | | } |
| 164 | | |
| 165 | | /* $10 FLAG */ |
| 166 | | |
| 167 | | /* $11 FLAG */ |
| 168 | | |
| 169 | | /* $12 NOP inherent ----- */ |
| 170 | | OP_HANDLER( nop ) |
| 171 | | { |
| 172 | | ; |
| 173 | | } |
| 174 | | |
| 175 | | /* $13 SYNC inherent ----- */ |
| 176 | | OP_HANDLER( sync ) |
| 177 | | { |
| 178 | | /* SYNC stops processing instructions until an interrupt request happens. */ |
| 179 | | /* This doesn't require the corresponding interrupt to be enabled: if it */ |
| 180 | | /* is disabled, execution continues with the next instruction. */ |
| 181 | | m_int_state |= M6809_SYNC; /* HJB 990227 */ |
| 182 | | check_irq_lines(); |
| 183 | | /* if M6809_SYNC has not been cleared by check_irq_lines(), |
| 184 | | * stop execution until the interrupt lines change. */ |
| 185 | | if( m_int_state & M6809_SYNC ) |
| 186 | | if (m_icount > 0) m_icount = 0; |
| 187 | | } |
| 188 | | |
| 189 | | /* $14 ILLEGAL */ |
| 190 | | |
| 191 | | /* $15 ILLEGAL */ |
| 192 | | |
| 193 | | /* $16 LBRA relative ----- */ |
| 194 | | OP_HANDLER( lbra ) |
| 195 | | { |
| 196 | | IMMWORD(EAP); |
| 197 | | PC += EA; |
| 198 | | } |
| 199 | | |
| 200 | | /* $17 LBSR relative ----- */ |
| 201 | | OP_HANDLER( lbsr ) |
| 202 | | { |
| 203 | | IMMWORD(EAP); |
| 204 | | PUSHWORD(pPC); |
| 205 | | PC += EA; |
| 206 | | } |
| 207 | | |
| 208 | | /* $18 ILLEGAL */ |
| 209 | | |
| 210 | | /* $19 DAA inherent (A) -**0* */ |
| 211 | | OP_HANDLER( daa ) |
| 212 | | { |
| 213 | | UINT8 msn, lsn; |
| 214 | | UINT16 t, cf = 0; |
| 215 | | msn = A & 0xf0; lsn = A & 0x0f; |
| 216 | | if( lsn>0x09 || CC & CC_H) cf |= 0x06; |
| 217 | | if( msn>0x80 && lsn>0x09 ) cf |= 0x60; |
| 218 | | if( msn>0x90 || CC & CC_C) cf |= 0x60; |
| 219 | | t = cf + A; |
| 220 | | CLR_NZV; /* keep carry from previous operation */ |
| 221 | | SET_NZ8((UINT8)t); SET_C8(t); |
| 222 | | A = t; |
| 223 | | } |
| 224 | | |
| 225 | | /* $1A ORCC immediate ##### */ |
| 226 | | OP_HANDLER( orcc ) |
| 227 | | { |
| 228 | | UINT8 t; |
| 229 | | IMMBYTE(t); |
| 230 | | CC |= t; |
| 231 | | check_irq_lines(); /* HJB 990116 */ |
| 232 | | } |
| 233 | | |
| 234 | | /* $1B ILLEGAL */ |
| 235 | | |
| 236 | | /* $1C ANDCC immediate ##### */ |
| 237 | | OP_HANDLER( andcc ) |
| 238 | | { |
| 239 | | UINT8 t; |
| 240 | | IMMBYTE(t); |
| 241 | | CC &= t; |
| 242 | | check_irq_lines(); /* HJB 990116 */ |
| 243 | | } |
| 244 | | |
| 245 | | /* $1D SEX inherent -**-- */ |
| 246 | | OP_HANDLER( sex ) |
| 247 | | { |
| 248 | | UINT16 t; |
| 249 | | t = SIGNED(B); |
| 250 | | D = t; |
| 251 | | // CLR_NZV; Tim Lindner 20020905: verified that V flag is not affected |
| 252 | | CLR_NZ; |
| 253 | | SET_NZ16(t); |
| 254 | | } |
| 255 | | |
| 256 | | /* $1E EXG inherent ----- */ |
| 257 | | OP_HANDLER( exg ) |
| 258 | | { |
| 259 | | UINT16 t1,t2; |
| 260 | | UINT8 tb; |
| 261 | | |
| 262 | | IMMBYTE(tb); |
| 263 | | if( (tb^(tb>>4)) & 0x08 ) /* HJB 990225: mixed 8/16 bit case? */ |
| 264 | | { |
| 265 | | /* transfer $ff to both registers */ |
| 266 | | t1 = t2 = 0xff; |
| 267 | | } |
| 268 | | else |
| 269 | | { |
| 270 | | switch(tb>>4) { |
| 271 | | case 0: t1 = D; break; |
| 272 | | case 1: t1 = X; break; |
| 273 | | case 2: t1 = Y; break; |
| 274 | | case 3: t1 = U; break; |
| 275 | | case 4: t1 = S; break; |
| 276 | | case 5: t1 = PC; break; |
| 277 | | case 8: t1 = A; break; |
| 278 | | case 9: t1 = B; break; |
| 279 | | case 10: t1 = CC; break; |
| 280 | | case 11: t1 = DP; break; |
| 281 | | default: t1 = 0xff; |
| 282 | | } |
| 283 | | switch(tb&15) { |
| 284 | | case 0: t2 = D; break; |
| 285 | | case 1: t2 = X; break; |
| 286 | | case 2: t2 = Y; break; |
| 287 | | case 3: t2 = U; break; |
| 288 | | case 4: t2 = S; break; |
| 289 | | case 5: t2 = PC; break; |
| 290 | | case 8: t2 = A; break; |
| 291 | | case 9: t2 = B; break; |
| 292 | | case 10: t2 = CC; break; |
| 293 | | case 11: t2 = DP; break; |
| 294 | | default: t2 = 0xff; |
| 295 | | } |
| 296 | | } |
| 297 | | switch(tb>>4) { |
| 298 | | case 0: D = t2; break; |
| 299 | | case 1: X = t2; break; |
| 300 | | case 2: Y = t2; break; |
| 301 | | case 3: U = t2; break; |
| 302 | | case 4: S = t2; break; |
| 303 | | case 5: PC = t2; break; |
| 304 | | case 8: A = t2; break; |
| 305 | | case 9: B = t2; break; |
| 306 | | case 10: CC = t2; break; |
| 307 | | case 11: DP = t2; break; |
| 308 | | } |
| 309 | | switch(tb&15) { |
| 310 | | case 0: D = t1; break; |
| 311 | | case 1: X = t1; break; |
| 312 | | case 2: Y = t1; break; |
| 313 | | case 3: U = t1; break; |
| 314 | | case 4: S = t1; break; |
| 315 | | case 5: PC = t1; break; |
| 316 | | case 8: A = t1; break; |
| 317 | | case 9: B = t1; break; |
| 318 | | case 10: CC = t1; break; |
| 319 | | case 11: DP = t1; break; |
| 320 | | } |
| 321 | | } |
| 322 | | |
| 323 | | /* $1F TFR inherent ----- */ |
| 324 | | OP_HANDLER( tfr ) |
| 325 | | { |
| 326 | | UINT8 tb; |
| 327 | | UINT16 t; |
| 328 | | |
| 329 | | IMMBYTE(tb); |
| 330 | | if( (tb^(tb>>4)) & 0x08 ) /* HJB 990225: mixed 8/16 bit case? */ |
| 331 | | { |
| 332 | | /* transfer $ff to register */ |
| 333 | | t = 0xff; |
| 334 | | } |
| 335 | | else |
| 336 | | { |
| 337 | | switch(tb>>4) { |
| 338 | | case 0: t = D; break; |
| 339 | | case 1: t = X; break; |
| 340 | | case 2: t = Y; break; |
| 341 | | case 3: t = U; break; |
| 342 | | case 4: t = S; break; |
| 343 | | case 5: t = PC; break; |
| 344 | | case 8: t = A; break; |
| 345 | | case 9: t = B; break; |
| 346 | | case 10: t = CC; break; |
| 347 | | case 11: t = DP; break; |
| 348 | | default: t = 0xff; |
| 349 | | } |
| 350 | | } |
| 351 | | switch(tb&15) { |
| 352 | | case 0: D = t; break; |
| 353 | | case 1: X = t; break; |
| 354 | | case 2: Y = t; break; |
| 355 | | case 3: U = t; break; |
| 356 | | case 4: S = t; break; |
| 357 | | case 5: PC = t; break; |
| 358 | | case 8: A = t; break; |
| 359 | | case 9: B = t; break; |
| 360 | | case 10: CC = t; break; |
| 361 | | case 11: DP = t; break; |
| 362 | | } |
| 363 | | } |
| 364 | | |
| 365 | | /* $20 BRA relative ----- */ |
| 366 | | OP_HANDLER( bra ) |
| 367 | | { |
| 368 | | UINT8 t; |
| 369 | | IMMBYTE(t); |
| 370 | | PC += SIGNED(t); |
| 371 | | } |
| 372 | | |
| 373 | | /* $21 BRN relative ----- */ |
| 374 | | static UINT8 m6809_brn_t; // hack around GCC 4.6 error because we need the side effects of IMMBYTE |
| 375 | | OP_HANDLER( brn ) |
| 376 | | { |
| 377 | | IMMBYTE(m6809_brn_t); |
| 378 | | } |
| 379 | | |
| 380 | | /* $1021 LBRN relative ----- */ |
| 381 | | OP_HANDLER( lbrn ) |
| 382 | | { |
| 383 | | IMMWORD(EAP); |
| 384 | | } |
| 385 | | |
| 386 | | /* $22 BHI relative ----- */ |
| 387 | | OP_HANDLER( bhi ) |
| 388 | | { |
| 389 | | BRANCH( !(CC & (CC_Z|CC_C)) ); |
| 390 | | } |
| 391 | | |
| 392 | | /* $1022 LBHI relative ----- */ |
| 393 | | OP_HANDLER( lbhi ) |
| 394 | | { |
| 395 | | LBRANCH( !(CC & (CC_Z|CC_C)) ); |
| 396 | | } |
| 397 | | |
| 398 | | /* $23 BLS relative ----- */ |
| 399 | | OP_HANDLER( bls ) |
| 400 | | { |
| 401 | | BRANCH( (CC & (CC_Z|CC_C)) ); |
| 402 | | } |
| 403 | | |
| 404 | | /* $1023 LBLS relative ----- */ |
| 405 | | OP_HANDLER( lbls ) |
| 406 | | { |
| 407 | | LBRANCH( (CC&(CC_Z|CC_C)) ); |
| 408 | | } |
| 409 | | |
| 410 | | /* $24 BCC relative ----- */ |
| 411 | | OP_HANDLER( bcc ) |
| 412 | | { |
| 413 | | BRANCH( !(CC&CC_C) ); |
| 414 | | } |
| 415 | | |
| 416 | | /* $1024 LBCC relative ----- */ |
| 417 | | OP_HANDLER( lbcc ) |
| 418 | | { |
| 419 | | LBRANCH( !(CC&CC_C) ); |
| 420 | | } |
| 421 | | |
| 422 | | /* $25 BCS relative ----- */ |
| 423 | | OP_HANDLER( bcs ) |
| 424 | | { |
| 425 | | BRANCH( (CC&CC_C) ); |
| 426 | | } |
| 427 | | |
| 428 | | /* $1025 LBCS relative ----- */ |
| 429 | | OP_HANDLER( lbcs ) |
| 430 | | { |
| 431 | | LBRANCH( (CC&CC_C) ); |
| 432 | | } |
| 433 | | |
| 434 | | /* $26 BNE relative ----- */ |
| 435 | | OP_HANDLER( bne ) |
| 436 | | { |
| 437 | | BRANCH( !(CC&CC_Z) ); |
| 438 | | } |
| 439 | | |
| 440 | | /* $1026 LBNE relative ----- */ |
| 441 | | OP_HANDLER( lbne ) |
| 442 | | { |
| 443 | | LBRANCH( !(CC&CC_Z) ); |
| 444 | | } |
| 445 | | |
| 446 | | /* $27 BEQ relative ----- */ |
| 447 | | OP_HANDLER( beq ) |
| 448 | | { |
| 449 | | BRANCH( (CC&CC_Z) ); |
| 450 | | } |
| 451 | | |
| 452 | | /* $1027 LBEQ relative ----- */ |
| 453 | | OP_HANDLER( lbeq ) |
| 454 | | { |
| 455 | | LBRANCH( (CC&CC_Z) ); |
| 456 | | } |
| 457 | | |
| 458 | | /* $28 BVC relative ----- */ |
| 459 | | OP_HANDLER( bvc ) |
| 460 | | { |
| 461 | | BRANCH( !(CC&CC_V) ); |
| 462 | | } |
| 463 | | |
| 464 | | /* $1028 LBVC relative ----- */ |
| 465 | | OP_HANDLER( lbvc ) |
| 466 | | { |
| 467 | | LBRANCH( !(CC&CC_V) ); |
| 468 | | } |
| 469 | | |
| 470 | | /* $29 BVS relative ----- */ |
| 471 | | OP_HANDLER( bvs ) |
| 472 | | { |
| 473 | | BRANCH( (CC&CC_V) ); |
| 474 | | } |
| 475 | | |
| 476 | | /* $1029 LBVS relative ----- */ |
| 477 | | OP_HANDLER( lbvs ) |
| 478 | | { |
| 479 | | LBRANCH( (CC&CC_V) ); |
| 480 | | } |
| 481 | | |
| 482 | | /* $2A BPL relative ----- */ |
| 483 | | OP_HANDLER( bpl ) |
| 484 | | { |
| 485 | | BRANCH( !(CC&CC_N) ); |
| 486 | | } |
| 487 | | |
| 488 | | /* $102A LBPL relative ----- */ |
| 489 | | OP_HANDLER( lbpl ) |
| 490 | | { |
| 491 | | LBRANCH( !(CC&CC_N) ); |
| 492 | | } |
| 493 | | |
| 494 | | /* $2B BMI relative ----- */ |
| 495 | | OP_HANDLER( bmi ) |
| 496 | | { |
| 497 | | BRANCH( (CC&CC_N) ); |
| 498 | | } |
| 499 | | |
| 500 | | /* $102B LBMI relative ----- */ |
| 501 | | OP_HANDLER( lbmi ) |
| 502 | | { |
| 503 | | LBRANCH( (CC&CC_N) ); |
| 504 | | } |
| 505 | | |
| 506 | | /* $2C BGE relative ----- */ |
| 507 | | OP_HANDLER( bge ) |
| 508 | | { |
| 509 | | BRANCH( !NXORV ); |
| 510 | | } |
| 511 | | |
| 512 | | /* $102C LBGE relative ----- */ |
| 513 | | OP_HANDLER( lbge ) |
| 514 | | { |
| 515 | | LBRANCH( !NXORV ); |
| 516 | | } |
| 517 | | |
| 518 | | /* $2D BLT relative ----- */ |
| 519 | | OP_HANDLER( blt ) |
| 520 | | { |
| 521 | | BRANCH( NXORV ); |
| 522 | | } |
| 523 | | |
| 524 | | /* $102D LBLT relative ----- */ |
| 525 | | OP_HANDLER( lblt ) |
| 526 | | { |
| 527 | | LBRANCH( NXORV ); |
| 528 | | } |
| 529 | | |
| 530 | | /* $2E BGT relative ----- */ |
| 531 | | OP_HANDLER( bgt ) |
| 532 | | { |
| 533 | | BRANCH( !(NXORV || (CC&CC_Z)) ); |
| 534 | | } |
| 535 | | |
| 536 | | /* $102E LBGT relative ----- */ |
| 537 | | OP_HANDLER( lbgt ) |
| 538 | | { |
| 539 | | LBRANCH( !(NXORV || (CC&CC_Z)) ); |
| 540 | | } |
| 541 | | |
| 542 | | /* $2F BLE relative ----- */ |
| 543 | | OP_HANDLER( ble ) |
| 544 | | { |
| 545 | | BRANCH( (NXORV || (CC&CC_Z)) ); |
| 546 | | } |
| 547 | | |
| 548 | | /* $102F LBLE relative ----- */ |
| 549 | | OP_HANDLER( lble ) |
| 550 | | { |
| 551 | | LBRANCH( (NXORV || (CC&CC_Z)) ); |
| 552 | | } |
| 553 | | |
| 554 | | /* $30 LEAX indexed --*-- */ |
| 555 | | OP_HANDLER( leax ) |
| 556 | | { |
| 557 | | fetch_effective_address(); |
| 558 | | X = EA; |
| 559 | | CLR_Z; |
| 560 | | SET_Z(X); |
| 561 | | } |
| 562 | | |
| 563 | | /* $31 LEAY indexed --*-- */ |
| 564 | | OP_HANDLER( leay ) |
| 565 | | { |
| 566 | | fetch_effective_address(); |
| 567 | | Y = EA; |
| 568 | | CLR_Z; |
| 569 | | SET_Z(Y); |
| 570 | | } |
| 571 | | |
| 572 | | /* $32 LEAS indexed ----- */ |
| 573 | | OP_HANDLER( leas ) |
| 574 | | { |
| 575 | | fetch_effective_address(); |
| 576 | | S = EA; |
| 577 | | m_int_state |= M6809_LDS; |
| 578 | | } |
| 579 | | |
| 580 | | /* $33 LEAU indexed ----- */ |
| 581 | | OP_HANDLER( leau ) |
| 582 | | { |
| 583 | | fetch_effective_address(); |
| 584 | | U = EA; |
| 585 | | } |
| 586 | | |
| 587 | | /* $34 PSHS inherent ----- */ |
| 588 | | OP_HANDLER( pshs ) |
| 589 | | { |
| 590 | | UINT8 t; |
| 591 | | IMMBYTE(t); |
| 592 | | if( t&0x80 ) { PUSHWORD(pPC); m_icount -= 2; } |
| 593 | | if( t&0x40 ) { PUSHWORD(pU); m_icount -= 2; } |
| 594 | | if( t&0x20 ) { PUSHWORD(pY); m_icount -= 2; } |
| 595 | | if( t&0x10 ) { PUSHWORD(pX); m_icount -= 2; } |
| 596 | | if( t&0x08 ) { PUSHBYTE(DP); m_icount -= 1; } |
| 597 | | if( t&0x04 ) { PUSHBYTE(B); m_icount -= 1; } |
| 598 | | if( t&0x02 ) { PUSHBYTE(A); m_icount -= 1; } |
| 599 | | if( t&0x01 ) { PUSHBYTE(CC); m_icount -= 1; } |
| 600 | | } |
| 601 | | |
| 602 | | /* 35 PULS inherent ----- */ |
| 603 | | OP_HANDLER( puls ) |
| 604 | | { |
| 605 | | UINT8 t; |
| 606 | | IMMBYTE(t); |
| 607 | | if( t&0x01 ) { PULLBYTE(CC); m_icount -= 1; } |
| 608 | | if( t&0x02 ) { PULLBYTE(A); m_icount -= 1; } |
| 609 | | if( t&0x04 ) { PULLBYTE(B); m_icount -= 1; } |
| 610 | | if( t&0x08 ) { PULLBYTE(DP); m_icount -= 1; } |
| 611 | | if( t&0x10 ) { PULLWORD(XD); m_icount -= 2; } |
| 612 | | if( t&0x20 ) { PULLWORD(YD); m_icount -= 2; } |
| 613 | | if( t&0x40 ) { PULLWORD(UD); m_icount -= 2; } |
| 614 | | if( t&0x80 ) { PULLWORD(PCD); m_icount -= 2; } |
| 615 | | |
| 616 | | /* HJB 990225: moved check after all PULLs */ |
| 617 | | if( t&0x01 ) { check_irq_lines(); } |
| 618 | | } |
| 619 | | |
| 620 | | /* $36 PSHU inherent ----- */ |
| 621 | | OP_HANDLER( pshu ) |
| 622 | | { |
| 623 | | UINT8 t; |
| 624 | | IMMBYTE(t); |
| 625 | | if( t&0x80 ) { PSHUWORD(pPC); m_icount -= 2; } |
| 626 | | if( t&0x40 ) { PSHUWORD(pS); m_icount -= 2; } |
| 627 | | if( t&0x20 ) { PSHUWORD(pY); m_icount -= 2; } |
| 628 | | if( t&0x10 ) { PSHUWORD(pX); m_icount -= 2; } |
| 629 | | if( t&0x08 ) { PSHUBYTE(DP); m_icount -= 1; } |
| 630 | | if( t&0x04 ) { PSHUBYTE(B); m_icount -= 1; } |
| 631 | | if( t&0x02 ) { PSHUBYTE(A); m_icount -= 1; } |
| 632 | | if( t&0x01 ) { PSHUBYTE(CC); m_icount -= 1; } |
| 633 | | } |
| 634 | | |
| 635 | | /* 37 PULU inherent ----- */ |
| 636 | | OP_HANDLER( pulu ) |
| 637 | | { |
| 638 | | UINT8 t; |
| 639 | | IMMBYTE(t); |
| 640 | | if( t&0x01 ) { PULUBYTE(CC); m_icount -= 1; } |
| 641 | | if( t&0x02 ) { PULUBYTE(A); m_icount -= 1; } |
| 642 | | if( t&0x04 ) { PULUBYTE(B); m_icount -= 1; } |
| 643 | | if( t&0x08 ) { PULUBYTE(DP); m_icount -= 1; } |
| 644 | | if( t&0x10 ) { PULUWORD(XD); m_icount -= 2; } |
| 645 | | if( t&0x20 ) { PULUWORD(YD); m_icount -= 2; } |
| 646 | | if( t&0x40 ) { PULUWORD(SD); m_icount -= 2; } |
| 647 | | if( t&0x80 ) { PULUWORD(PCD); m_icount -= 2; } |
| 648 | | |
| 649 | | /* HJB 990225: moved check after all PULLs */ |
| 650 | | if( t&0x01 ) { check_irq_lines(); } |
| 651 | | } |
| 652 | | |
| 653 | | /* $38 ILLEGAL */ |
| 654 | | |
| 655 | | /* $39 RTS inherent ----- */ |
| 656 | | OP_HANDLER( rts ) |
| 657 | | { |
| 658 | | PULLWORD(PCD); |
| 659 | | } |
| 660 | | |
| 661 | | /* $3A ABX inherent ----- */ |
| 662 | | OP_HANDLER( abx ) |
| 663 | | { |
| 664 | | X += B; |
| 665 | | } |
| 666 | | |
| 667 | | /* $3B RTI inherent ##### */ |
| 668 | | OP_HANDLER( rti ) |
| 669 | | { |
| 670 | | UINT8 t; |
| 671 | | PULLBYTE(CC); |
| 672 | | t = CC & CC_E; /* HJB 990225: entire state saved? */ |
| 673 | | if(t) |
| 674 | | { |
| 675 | | m_icount -= 9; |
| 676 | | PULLBYTE(A); |
| 677 | | PULLBYTE(B); |
| 678 | | PULLBYTE(DP); |
| 679 | | PULLWORD(XD); |
| 680 | | PULLWORD(YD); |
| 681 | | PULLWORD(UD); |
| 682 | | } |
| 683 | | PULLWORD(PCD); |
| 684 | | check_irq_lines(); /* HJB 990116 */ |
| 685 | | } |
| 686 | | |
| 687 | | /* $3C CWAI inherent ----1 */ |
| 688 | | OP_HANDLER( cwai ) |
| 689 | | { |
| 690 | | UINT8 t; |
| 691 | | IMMBYTE(t); |
| 692 | | CC &= t; |
| 693 | | /* |
| 694 | | * CWAI stacks the entire machine state on the hardware stack, |
| 695 | | * then waits for an interrupt; when the interrupt is taken |
| 696 | | * later, the state is *not* saved again after CWAI. |
| 697 | | */ |
| 698 | | CC |= CC_E; /* HJB 990225: save entire state */ |
| 699 | | PUSHWORD(pPC); |
| 700 | | PUSHWORD(pU); |
| 701 | | PUSHWORD(pY); |
| 702 | | PUSHWORD(pX); |
| 703 | | PUSHBYTE(DP); |
| 704 | | PUSHBYTE(B); |
| 705 | | PUSHBYTE(A); |
| 706 | | PUSHBYTE(CC); |
| 707 | | m_int_state |= M6809_CWAI; /* HJB 990228 */ |
| 708 | | check_irq_lines(); /* HJB 990116 */ |
| 709 | | if( m_int_state & M6809_CWAI ) |
| 710 | | if( m_icount > 0 ) |
| 711 | | m_icount = 0; |
| 712 | | } |
| 713 | | |
| 714 | | /* $3D MUL inherent --*-@ */ |
| 715 | | OP_HANDLER( mul ) |
| 716 | | { |
| 717 | | UINT16 t; |
| 718 | | t = A * B; |
| 719 | | CLR_ZC; SET_Z16(t); if(t&0x80) SEC; |
| 720 | | D = t; |
| 721 | | } |
| 722 | | |
| 723 | | /* $3E ILLEGAL */ |
| 724 | | |
| 725 | | /* $3F SWI (SWI2 SWI3) absolute indirect ----- */ |
| 726 | | OP_HANDLER( swi ) |
| 727 | | { |
| 728 | | CC |= CC_E; /* HJB 980225: save entire state */ |
| 729 | | PUSHWORD(pPC); |
| 730 | | PUSHWORD(pU); |
| 731 | | PUSHWORD(pY); |
| 732 | | PUSHWORD(pX); |
| 733 | | PUSHBYTE(DP); |
| 734 | | PUSHBYTE(B); |
| 735 | | PUSHBYTE(A); |
| 736 | | PUSHBYTE(CC); |
| 737 | | CC |= CC_IF | CC_II; /* inhibit FIRQ and IRQ */ |
| 738 | | PCD=RM16(0xfffa); |
| 739 | | } |
| 740 | | |
| 741 | | /* $103F SWI2 absolute indirect ----- */ |
| 742 | | OP_HANDLER( swi2 ) |
| 743 | | { |
| 744 | | CC |= CC_E; /* HJB 980225: save entire state */ |
| 745 | | PUSHWORD(pPC); |
| 746 | | PUSHWORD(pU); |
| 747 | | PUSHWORD(pY); |
| 748 | | PUSHWORD(pX); |
| 749 | | PUSHBYTE(DP); |
| 750 | | PUSHBYTE(B); |
| 751 | | PUSHBYTE(A); |
| 752 | | PUSHBYTE(CC); |
| 753 | | PCD = RM16(0xfff4); |
| 754 | | } |
| 755 | | |
| 756 | | /* $113F SWI3 absolute indirect ----- */ |
| 757 | | OP_HANDLER( swi3 ) |
| 758 | | { |
| 759 | | CC |= CC_E; /* HJB 980225: save entire state */ |
| 760 | | PUSHWORD(pPC); |
| 761 | | PUSHWORD(pU); |
| 762 | | PUSHWORD(pY); |
| 763 | | PUSHWORD(pX); |
| 764 | | PUSHBYTE(DP); |
| 765 | | PUSHBYTE(B); |
| 766 | | PUSHBYTE(A); |
| 767 | | PUSHBYTE(CC); |
| 768 | | PCD = RM16(0xfff2); |
| 769 | | } |
| 770 | | |
| 771 | | /* $40 NEGA inherent ?**** */ |
| 772 | | OP_HANDLER( nega ) |
| 773 | | { |
| 774 | | UINT16 r; |
| 775 | | r = -A; |
| 776 | | CLR_NZVC; |
| 777 | | SET_FLAGS8(0,A,r); |
| 778 | | A = r; |
| 779 | | } |
| 780 | | |
| 781 | | /* $41 ILLEGAL, same as $40 */ |
| 782 | | |
| 783 | | /* $42 ILLEGAL, same as $43 */ |
| 784 | | |
| 785 | | /* $43 COMA inherent -**01 */ |
| 786 | | OP_HANDLER( coma ) |
| 787 | | { |
| 788 | | A = ~A; |
| 789 | | CLR_NZV; |
| 790 | | SET_NZ8(A); |
| 791 | | SEC; |
| 792 | | } |
| 793 | | |
| 794 | | /* $44 LSRA inherent -0*-* */ |
| 795 | | OP_HANDLER( lsra ) |
| 796 | | { |
| 797 | | CLR_NZC; |
| 798 | | CC |= (A & CC_C); |
| 799 | | A >>= 1; |
| 800 | | SET_Z8(A); |
| 801 | | } |
| 802 | | |
| 803 | | /* $45 ILLEGAL, same as $44 */ |
| 804 | | |
| 805 | | /* $46 RORA inherent -**-* */ |
| 806 | | OP_HANDLER( rora ) |
| 807 | | { |
| 808 | | UINT8 r; |
| 809 | | r = (CC & CC_C) << 7; |
| 810 | | CLR_NZC; |
| 811 | | CC |= (A & CC_C); |
| 812 | | r |= A >> 1; |
| 813 | | SET_NZ8(r); |
| 814 | | A = r; |
| 815 | | } |
| 816 | | |
| 817 | | /* $47 ASRA inherent ?**-* */ |
| 818 | | OP_HANDLER( asra ) |
| 819 | | { |
| 820 | | CLR_NZC; |
| 821 | | CC |= (A & CC_C); |
| 822 | | A = (A & 0x80) | (A >> 1); |
| 823 | | SET_NZ8(A); |
| 824 | | } |
| 825 | | |
| 826 | | /* $48 ASLA inherent ?**** */ |
| 827 | | OP_HANDLER( asla ) |
| 828 | | { |
| 829 | | UINT16 r; |
| 830 | | r = A << 1; |
| 831 | | CLR_NZVC; |
| 832 | | SET_FLAGS8(A,A,r); |
| 833 | | A = r; |
| 834 | | } |
| 835 | | |
| 836 | | /* $49 ROLA inherent -**** */ |
| 837 | | OP_HANDLER( rola ) |
| 838 | | { |
| 839 | | UINT16 t,r; |
| 840 | | t = A; |
| 841 | | r = (CC & CC_C) | (t<<1); |
| 842 | | CLR_NZVC; SET_FLAGS8(t,t,r); |
| 843 | | A = r; |
| 844 | | } |
| 845 | | |
| 846 | | /* $4A DECA inherent -***- */ |
| 847 | | OP_HANDLER( deca ) |
| 848 | | { |
| 849 | | --A; |
| 850 | | CLR_NZV; |
| 851 | | SET_FLAGS8D(A); |
| 852 | | } |
| 853 | | |
| 854 | | /* $4B ILLEGAL, same as $4A */ |
| 855 | | |
| 856 | | /* $4C INCA inherent -***- */ |
| 857 | | OP_HANDLER( inca ) |
| 858 | | { |
| 859 | | ++A; |
| 860 | | CLR_NZV; |
| 861 | | SET_FLAGS8I(A); |
| 862 | | } |
| 863 | | |
| 864 | | /* $4D TSTA inherent -**0- */ |
| 865 | | OP_HANDLER( tsta ) |
| 866 | | { |
| 867 | | CLR_NZV; |
| 868 | | SET_NZ8(A); |
| 869 | | } |
| 870 | | |
| 871 | | /* $4E ILLEGAL, same as $4F */ |
| 872 | | |
| 873 | | /* $4F CLRA inherent -0100 */ |
| 874 | | OP_HANDLER( clra ) |
| 875 | | { |
| 876 | | A = 0; |
| 877 | | CLR_NZVC; SEZ; |
| 878 | | } |
| 879 | | |
| 880 | | /* $50 NEGB inherent ?**** */ |
| 881 | | OP_HANDLER( negb ) |
| 882 | | { |
| 883 | | UINT16 r; |
| 884 | | r = -B; |
| 885 | | CLR_NZVC; |
| 886 | | SET_FLAGS8(0,B,r); |
| 887 | | B = r; |
| 888 | | } |
| 889 | | |
| 890 | | /* $51 ILLEGAL, same as $50 */ |
| 891 | | |
| 892 | | /* $52 ILLEGAL, same as $53 */ |
| 893 | | |
| 894 | | /* $53 COMB inherent -**01 */ |
| 895 | | OP_HANDLER( comb ) |
| 896 | | { |
| 897 | | B = ~B; |
| 898 | | CLR_NZV; |
| 899 | | SET_NZ8(B); |
| 900 | | SEC; |
| 901 | | } |
| 902 | | |
| 903 | | /* $54 LSRB inherent -0*-* */ |
| 904 | | OP_HANDLER( lsrb ) |
| 905 | | { |
| 906 | | CLR_NZC; |
| 907 | | CC |= (B & CC_C); |
| 908 | | B >>= 1; |
| 909 | | SET_Z8(B); |
| 910 | | } |
| 911 | | |
| 912 | | /* $55 ILLEGAL, same as $54 */ |
| 913 | | |
| 914 | | /* $56 RORB inherent -**-* */ |
| 915 | | OP_HANDLER( rorb ) |
| 916 | | { |
| 917 | | UINT8 r; |
| 918 | | r = (CC & CC_C) << 7; |
| 919 | | CLR_NZC; |
| 920 | | CC |= (B & CC_C); |
| 921 | | r |= B >> 1; |
| 922 | | SET_NZ8(r); |
| 923 | | B = r; |
| 924 | | } |
| 925 | | |
| 926 | | /* $57 ASRB inherent ?**-* */ |
| 927 | | OP_HANDLER( asrb ) |
| 928 | | { |
| 929 | | CLR_NZC; |
| 930 | | CC |= (B & CC_C); |
| 931 | | B= (B & 0x80) | (B >> 1); |
| 932 | | SET_NZ8(B); |
| 933 | | } |
| 934 | | |
| 935 | | /* $58 ASLB inherent ?**** */ |
| 936 | | OP_HANDLER( aslb ) |
| 937 | | { |
| 938 | | UINT16 r; |
| 939 | | r = B << 1; |
| 940 | | CLR_NZVC; |
| 941 | | SET_FLAGS8(B,B,r); |
| 942 | | B = r; |
| 943 | | } |
| 944 | | |
| 945 | | /* $59 ROLB inherent -**** */ |
| 946 | | OP_HANDLER( rolb ) |
| 947 | | { |
| 948 | | UINT16 t,r; |
| 949 | | t = B; |
| 950 | | r = CC & CC_C; |
| 951 | | r |= t << 1; |
| 952 | | CLR_NZVC; |
| 953 | | SET_FLAGS8(t,t,r); |
| 954 | | B = r; |
| 955 | | } |
| 956 | | |
| 957 | | /* $5A DECB inherent -***- */ |
| 958 | | OP_HANDLER( decb ) |
| 959 | | { |
| 960 | | --B; |
| 961 | | CLR_NZV; |
| 962 | | SET_FLAGS8D(B); |
| 963 | | } |
| 964 | | |
| 965 | | /* $5B ILLEGAL, same as $5A */ |
| 966 | | |
| 967 | | /* $5C INCB inherent -***- */ |
| 968 | | OP_HANDLER( incb ) |
| 969 | | { |
| 970 | | ++B; |
| 971 | | CLR_NZV; |
| 972 | | SET_FLAGS8I(B); |
| 973 | | } |
| 974 | | |
| 975 | | /* $5D TSTB inherent -**0- */ |
| 976 | | OP_HANDLER( tstb ) |
| 977 | | { |
| 978 | | CLR_NZV; |
| 979 | | SET_NZ8(B); |
| 980 | | } |
| 981 | | |
| 982 | | /* $5E ILLEGAL, same as $5F */ |
| 983 | | |
| 984 | | /* $5F CLRB inherent -0100 */ |
| 985 | | OP_HANDLER( clrb ) |
| 986 | | { |
| 987 | | B = 0; |
| 988 | | CLR_NZVC; SEZ; |
| 989 | | } |
| 990 | | |
| 991 | | /* $60 NEG indexed ?**** */ |
| 992 | | OP_HANDLER( neg_ix ) |
| 993 | | { |
| 994 | | UINT16 r,t; |
| 995 | | fetch_effective_address(); |
| 996 | | t = RM(EAD); |
| 997 | | r=-t; |
| 998 | | CLR_NZVC; |
| 999 | | SET_FLAGS8(0,t,r); |
| 1000 | | WM(EAD,r); |
| 1001 | | } |
| 1002 | | |
| 1003 | | /* $61 ILLEGAL, same as $60 */ |
| 1004 | | |
| 1005 | | /* $62 ILLEGAL, same as $63 */ |
| 1006 | | |
| 1007 | | /* $63 COM indexed -**01 */ |
| 1008 | | OP_HANDLER( com_ix ) |
| 1009 | | { |
| 1010 | | UINT8 t; |
| 1011 | | fetch_effective_address(); |
| 1012 | | t = ~RM(EAD); |
| 1013 | | CLR_NZV; |
| 1014 | | SET_NZ8(t); |
| 1015 | | SEC; |
| 1016 | | WM(EAD,t); |
| 1017 | | } |
| 1018 | | |
| 1019 | | /* $64 LSR indexed -0*-* */ |
| 1020 | | OP_HANDLER( lsr_ix ) |
| 1021 | | { |
| 1022 | | UINT8 t; |
| 1023 | | fetch_effective_address(); |
| 1024 | | t=RM(EAD); |
| 1025 | | CLR_NZC; |
| 1026 | | CC |= (t & CC_C); |
| 1027 | | t>>=1; SET_Z8(t); |
| 1028 | | WM(EAD,t); |
| 1029 | | } |
| 1030 | | |
| 1031 | | /* $65 ILLEGAL, same as $64 */ |
| 1032 | | |
| 1033 | | /* $66 ROR indexed -**-* */ |
| 1034 | | OP_HANDLER( ror_ix ) |
| 1035 | | { |
| 1036 | | UINT8 t,r; |
| 1037 | | fetch_effective_address(); |
| 1038 | | t=RM(EAD); |
| 1039 | | r = (CC & CC_C) << 7; |
| 1040 | | CLR_NZC; |
| 1041 | | CC |= (t & CC_C); |
| 1042 | | r |= t>>1; SET_NZ8(r); |
| 1043 | | WM(EAD,r); |
| 1044 | | } |
| 1045 | | |
| 1046 | | /* $67 ASR indexed ?**-* */ |
| 1047 | | OP_HANDLER( asr_ix ) |
| 1048 | | { |
| 1049 | | UINT8 t; |
| 1050 | | fetch_effective_address(); |
| 1051 | | t=RM(EAD); |
| 1052 | | CLR_NZC; |
| 1053 | | CC |= (t & CC_C); |
| 1054 | | t=(t&0x80)|(t>>1); |
| 1055 | | SET_NZ8(t); |
| 1056 | | WM(EAD,t); |
| 1057 | | } |
| 1058 | | |
| 1059 | | /* $68 ASL indexed ?**** */ |
| 1060 | | OP_HANDLER( asl_ix ) |
| 1061 | | { |
| 1062 | | UINT16 t,r; |
| 1063 | | fetch_effective_address(); |
| 1064 | | t=RM(EAD); |
| 1065 | | r = t << 1; |
| 1066 | | CLR_NZVC; |
| 1067 | | SET_FLAGS8(t,t,r); |
| 1068 | | WM(EAD,r); |
| 1069 | | } |
| 1070 | | |
| 1071 | | /* $69 ROL indexed -**** */ |
| 1072 | | OP_HANDLER( rol_ix ) |
| 1073 | | { |
| 1074 | | UINT16 t,r; |
| 1075 | | fetch_effective_address(); |
| 1076 | | t=RM(EAD); |
| 1077 | | r = CC & CC_C; |
| 1078 | | r |= t << 1; |
| 1079 | | CLR_NZVC; |
| 1080 | | SET_FLAGS8(t,t,r); |
| 1081 | | WM(EAD,r); |
| 1082 | | } |
| 1083 | | |
| 1084 | | /* $6A DEC indexed -***- */ |
| 1085 | | OP_HANDLER( dec_ix ) |
| 1086 | | { |
| 1087 | | UINT8 t; |
| 1088 | | fetch_effective_address(); |
| 1089 | | t = RM(EAD) - 1; |
| 1090 | | CLR_NZV; SET_FLAGS8D(t); |
| 1091 | | WM(EAD,t); |
| 1092 | | } |
| 1093 | | |
| 1094 | | /* $6B ILLEGAL, same as $6A */ |
| 1095 | | |
| 1096 | | /* $6C INC indexed -***- */ |
| 1097 | | OP_HANDLER( inc_ix ) |
| 1098 | | { |
| 1099 | | UINT8 t; |
| 1100 | | fetch_effective_address(); |
| 1101 | | t = RM(EAD) + 1; |
| 1102 | | CLR_NZV; SET_FLAGS8I(t); |
| 1103 | | WM(EAD,t); |
| 1104 | | } |
| 1105 | | |
| 1106 | | /* $6D TST indexed -**0- */ |
| 1107 | | OP_HANDLER( tst_ix ) |
| 1108 | | { |
| 1109 | | UINT8 t; |
| 1110 | | fetch_effective_address(); |
| 1111 | | t = RM(EAD); |
| 1112 | | CLR_NZV; |
| 1113 | | SET_NZ8(t); |
| 1114 | | } |
| 1115 | | |
| 1116 | | /* $6E JMP indexed ----- */ |
| 1117 | | OP_HANDLER( jmp_ix ) |
| 1118 | | { |
| 1119 | | fetch_effective_address(); |
| 1120 | | PCD = EAD; |
| 1121 | | } |
| 1122 | | |
| 1123 | | /* $6F CLR indexed -0100 */ |
| 1124 | | OP_HANDLER( clr_ix ) |
| 1125 | | { |
| 1126 | | fetch_effective_address(); |
| 1127 | | (void)RM(EAD); |
| 1128 | | WM(EAD,0); |
| 1129 | | CLR_NZVC; SEZ; |
| 1130 | | } |
| 1131 | | |
| 1132 | | /* $70 NEG extended ?**** */ |
| 1133 | | OP_HANDLER( neg_ex ) |
| 1134 | | { |
| 1135 | | UINT16 r,t; |
| 1136 | | EXTBYTE(t); r=-t; |
| 1137 | | CLR_NZVC; SET_FLAGS8(0,t,r); |
| 1138 | | WM(EAD,r); |
| 1139 | | } |
| 1140 | | |
| 1141 | | /* $71 ILLEGAL, same as $70 */ |
| 1142 | | |
| 1143 | | /* $72 ILLEGAL, same as $73 */ |
| 1144 | | |
| 1145 | | /* $73 COM extended -**01 */ |
| 1146 | | OP_HANDLER( com_ex ) |
| 1147 | | { |
| 1148 | | UINT8 t; |
| 1149 | | EXTBYTE(t); t = ~t; |
| 1150 | | CLR_NZV; SET_NZ8(t); SEC; |
| 1151 | | WM(EAD,t); |
| 1152 | | } |
| 1153 | | |
| 1154 | | /* $74 LSR extended -0*-* */ |
| 1155 | | OP_HANDLER( lsr_ex ) |
| 1156 | | { |
| 1157 | | UINT8 t; |
| 1158 | | EXTBYTE(t); CLR_NZC; CC |= (t & CC_C); |
| 1159 | | t>>=1; SET_Z8(t); |
| 1160 | | WM(EAD,t); |
| 1161 | | } |
| 1162 | | |
| 1163 | | /* $75 ILLEGAL, same as $74 */ |
| 1164 | | |
| 1165 | | /* $76 ROR extended -**-* */ |
| 1166 | | OP_HANDLER( ror_ex ) |
| 1167 | | { |
| 1168 | | UINT8 t,r; |
| 1169 | | EXTBYTE(t); r=(CC & CC_C) << 7; |
| 1170 | | CLR_NZC; CC |= (t & CC_C); |
| 1171 | | r |= t>>1; SET_NZ8(r); |
| 1172 | | WM(EAD,r); |
| 1173 | | } |
| 1174 | | |
| 1175 | | /* $77 ASR extended ?**-* */ |
| 1176 | | OP_HANDLER( asr_ex ) |
| 1177 | | { |
| 1178 | | UINT8 t; |
| 1179 | | EXTBYTE(t); CLR_NZC; CC |= (t & CC_C); |
| 1180 | | t=(t&0x80)|(t>>1); |
| 1181 | | SET_NZ8(t); |
| 1182 | | WM(EAD,t); |
| 1183 | | } |
| 1184 | | |
| 1185 | | /* $78 ASL extended ?**** */ |
| 1186 | | OP_HANDLER( asl_ex ) |
| 1187 | | { |
| 1188 | | UINT16 t,r; |
| 1189 | | EXTBYTE(t); r=t<<1; |
| 1190 | | CLR_NZVC; SET_FLAGS8(t,t,r); |
| 1191 | | WM(EAD,r); |
| 1192 | | } |
| 1193 | | |
| 1194 | | /* $79 ROL extended -**** */ |
| 1195 | | OP_HANDLER( rol_ex ) |
| 1196 | | { |
| 1197 | | UINT16 t,r; |
| 1198 | | EXTBYTE(t); r = (CC & CC_C) | (t << 1); |
| 1199 | | CLR_NZVC; SET_FLAGS8(t,t,r); |
| 1200 | | WM(EAD,r); |
| 1201 | | } |
| 1202 | | |
| 1203 | | /* $7A DEC extended -***- */ |
| 1204 | | OP_HANDLER( dec_ex ) |
| 1205 | | { |
| 1206 | | UINT8 t; |
| 1207 | | EXTBYTE(t); --t; |
| 1208 | | CLR_NZV; SET_FLAGS8D(t); |
| 1209 | | WM(EAD,t); |
| 1210 | | } |
| 1211 | | |
| 1212 | | /* $7B ILLEGAL, same as $7A */ |
| 1213 | | |
| 1214 | | /* $7C INC extended -***- */ |
| 1215 | | OP_HANDLER( inc_ex ) |
| 1216 | | { |
| 1217 | | UINT8 t; |
| 1218 | | EXTBYTE(t); ++t; |
| 1219 | | CLR_NZV; SET_FLAGS8I(t); |
| 1220 | | WM(EAD,t); |
| 1221 | | } |
| 1222 | | |
| 1223 | | /* $7D TST extended -**0- */ |
| 1224 | | OP_HANDLER( tst_ex ) |
| 1225 | | { |
| 1226 | | UINT8 t; |
| 1227 | | EXTBYTE(t); CLR_NZV; SET_NZ8(t); |
| 1228 | | } |
| 1229 | | |
| 1230 | | /* $7E JMP extended ----- */ |
| 1231 | | OP_HANDLER( jmp_ex ) |
| 1232 | | { |
| 1233 | | EXTENDED; |
| 1234 | | PCD = EAD; |
| 1235 | | } |
| 1236 | | |
| 1237 | | /* $7F CLR extended -0100 */ |
| 1238 | | OP_HANDLER( clr_ex ) |
| 1239 | | { |
| 1240 | | EXTENDED; |
| 1241 | | (void)RM(EAD); |
| 1242 | | WM(EAD,0); |
| 1243 | | CLR_NZVC; SEZ; |
| 1244 | | } |
| 1245 | | |
| 1246 | | /* $80 SUBA immediate ?**** */ |
| 1247 | | OP_HANDLER( suba_im ) |
| 1248 | | { |
| 1249 | | UINT16 t,r; |
| 1250 | | IMMBYTE(t); |
| 1251 | | r = A - t; |
| 1252 | | CLR_NZVC; |
| 1253 | | SET_FLAGS8(A,t,r); |
| 1254 | | A = r; |
| 1255 | | } |
| 1256 | | |
| 1257 | | /* $81 CMPA immediate ?**** */ |
| 1258 | | OP_HANDLER( cmpa_im ) |
| 1259 | | { |
| 1260 | | UINT16 t,r; |
| 1261 | | IMMBYTE(t); |
| 1262 | | r = A - t; |
| 1263 | | CLR_NZVC; |
| 1264 | | SET_FLAGS8(A,t,r); |
| 1265 | | } |
| 1266 | | |
| 1267 | | /* $82 SBCA immediate ?**** */ |
| 1268 | | OP_HANDLER( sbca_im ) |
| 1269 | | { |
| 1270 | | UINT16 t,r; |
| 1271 | | IMMBYTE(t); |
| 1272 | | r = A - t - (CC & CC_C); |
| 1273 | | CLR_NZVC; |
| 1274 | | SET_FLAGS8(A,t,r); |
| 1275 | | A = r; |
| 1276 | | } |
| 1277 | | |
| 1278 | | /* $83 SUBD (CMPD CMPU) immediate -**** */ |
| 1279 | | OP_HANDLER( subd_im ) |
| 1280 | | { |
| 1281 | | UINT32 r,d; |
| 1282 | | PAIR b; |
| 1283 | | IMMWORD(b); |
| 1284 | | d = D; |
| 1285 | | r = d - b.d; |
| 1286 | | CLR_NZVC; |
| 1287 | | SET_FLAGS16(d,b.d,r); |
| 1288 | | D = r; |
| 1289 | | } |
| 1290 | | |
| 1291 | | /* $1083 CMPD immediate -**** */ |
| 1292 | | OP_HANDLER( cmpd_im ) |
| 1293 | | { |
| 1294 | | UINT32 r,d; |
| 1295 | | PAIR b; |
| 1296 | | IMMWORD(b); |
| 1297 | | d = D; |
| 1298 | | r = d - b.d; |
| 1299 | | CLR_NZVC; |
| 1300 | | SET_FLAGS16(d,b.d,r); |
| 1301 | | } |
| 1302 | | |
| 1303 | | /* $1183 CMPU immediate -**** */ |
| 1304 | | OP_HANDLER( cmpu_im ) |
| 1305 | | { |
| 1306 | | UINT32 r, d; |
| 1307 | | PAIR b; |
| 1308 | | IMMWORD(b); |
| 1309 | | d = U; |
| 1310 | | r = d - b.d; |
| 1311 | | CLR_NZVC; |
| 1312 | | SET_FLAGS16(d,b.d,r); |
| 1313 | | } |
| 1314 | | |
| 1315 | | /* $84 ANDA immediate -**0- */ |
| 1316 | | OP_HANDLER( anda_im ) |
| 1317 | | { |
| 1318 | | UINT8 t; |
| 1319 | | IMMBYTE(t); |
| 1320 | | A &= t; |
| 1321 | | CLR_NZV; |
| 1322 | | SET_NZ8(A); |
| 1323 | | } |
| 1324 | | |
| 1325 | | /* $85 BITA immediate -**0- */ |
| 1326 | | OP_HANDLER( bita_im ) |
| 1327 | | { |
| 1328 | | UINT8 t,r; |
| 1329 | | IMMBYTE(t); |
| 1330 | | r = A & t; |
| 1331 | | CLR_NZV; |
| 1332 | | SET_NZ8(r); |
| 1333 | | } |
| 1334 | | |
| 1335 | | /* $86 LDA immediate -**0- */ |
| 1336 | | OP_HANDLER( lda_im ) |
| 1337 | | { |
| 1338 | | IMMBYTE(A); |
| 1339 | | CLR_NZV; |
| 1340 | | SET_NZ8(A); |
| 1341 | | } |
| 1342 | | |
| 1343 | | /* is this a legal instruction? */ |
| 1344 | | /* $87 STA immediate -**0- */ |
| 1345 | | OP_HANDLER( sta_im ) |
| 1346 | | { |
| 1347 | | CLR_NZV; |
| 1348 | | SET_NZ8(A); |
| 1349 | | IMM8; |
| 1350 | | WM(EAD,A); |
| 1351 | | } |
| 1352 | | |
| 1353 | | /* $88 EORA immediate -**0- */ |
| 1354 | | OP_HANDLER( eora_im ) |
| 1355 | | { |
| 1356 | | UINT8 t; |
| 1357 | | IMMBYTE(t); |
| 1358 | | A ^= t; |
| 1359 | | CLR_NZV; |
| 1360 | | SET_NZ8(A); |
| 1361 | | } |
| 1362 | | |
| 1363 | | /* $89 ADCA immediate ***** */ |
| 1364 | | OP_HANDLER( adca_im ) |
| 1365 | | { |
| 1366 | | UINT16 t,r; |
| 1367 | | IMMBYTE(t); |
| 1368 | | r = A + t + (CC & CC_C); |
| 1369 | | CLR_HNZVC; |
| 1370 | | SET_FLAGS8(A,t,r); |
| 1371 | | SET_H(A,t,r); |
| 1372 | | A = r; |
| 1373 | | } |
| 1374 | | |
| 1375 | | /* $8A ORA immediate -**0- */ |
| 1376 | | OP_HANDLER( ora_im ) |
| 1377 | | { |
| 1378 | | UINT8 t; |
| 1379 | | IMMBYTE(t); |
| 1380 | | A |= t; |
| 1381 | | CLR_NZV; |
| 1382 | | SET_NZ8(A); |
| 1383 | | } |
| 1384 | | |
| 1385 | | /* $8B ADDA immediate ***** */ |
| 1386 | | OP_HANDLER( adda_im ) |
| 1387 | | { |
| 1388 | | UINT16 t,r; |
| 1389 | | IMMBYTE(t); |
| 1390 | | r = A + t; |
| 1391 | | CLR_HNZVC; |
| 1392 | | SET_FLAGS8(A,t,r); |
| 1393 | | SET_H(A,t,r); |
| 1394 | | A = r; |
| 1395 | | } |
| 1396 | | |
| 1397 | | /* $8C CMPX (CMPY CMPS) immediate -**** */ |
| 1398 | | OP_HANDLER( cmpx_im ) |
| 1399 | | { |
| 1400 | | UINT32 r,d; |
| 1401 | | PAIR b; |
| 1402 | | IMMWORD(b); |
| 1403 | | d = X; |
| 1404 | | r = d - b.d; |
| 1405 | | CLR_NZVC; |
| 1406 | | SET_FLAGS16(d,b.d,r); |
| 1407 | | } |
| 1408 | | |
| 1409 | | /* $108C CMPY immediate -**** */ |
| 1410 | | OP_HANDLER( cmpy_im ) |
| 1411 | | { |
| 1412 | | UINT32 r,d; |
| 1413 | | PAIR b; |
| 1414 | | IMMWORD(b); |
| 1415 | | d = Y; |
| 1416 | | r = d - b.d; |
| 1417 | | CLR_NZVC; |
| 1418 | | SET_FLAGS16(d,b.d,r); |
| 1419 | | } |
| 1420 | | |
| 1421 | | /* $118C CMPS immediate -**** */ |
| 1422 | | OP_HANDLER( cmps_im ) |
| 1423 | | { |
| 1424 | | UINT32 r,d; |
| 1425 | | PAIR b; |
| 1426 | | IMMWORD(b); |
| 1427 | | d = S; |
| 1428 | | r = d - b.d; |
| 1429 | | CLR_NZVC; |
| 1430 | | SET_FLAGS16(d,b.d,r); |
| 1431 | | } |
| 1432 | | |
| 1433 | | /* $8D BSR ----- */ |
| 1434 | | OP_HANDLER( bsr ) |
| 1435 | | { |
| 1436 | | UINT8 t; |
| 1437 | | IMMBYTE(t); |
| 1438 | | PUSHWORD(pPC); |
| 1439 | | PC += SIGNED(t); |
| 1440 | | } |
| 1441 | | |
| 1442 | | /* $8E LDX (LDY) immediate -**0- */ |
| 1443 | | OP_HANDLER( ldx_im ) |
| 1444 | | { |
| 1445 | | IMMWORD(pX); |
| 1446 | | CLR_NZV; |
| 1447 | | SET_NZ16(X); |
| 1448 | | } |
| 1449 | | |
| 1450 | | /* $108E LDY immediate -**0- */ |
| 1451 | | OP_HANDLER( ldy_im ) |
| 1452 | | { |
| 1453 | | IMMWORD(pY); |
| 1454 | | CLR_NZV; |
| 1455 | | SET_NZ16(Y); |
| 1456 | | } |
| 1457 | | |
| 1458 | | /* is this a legal instruction? */ |
| 1459 | | /* $8F STX (STY) immediate -**0- */ |
| 1460 | | OP_HANDLER( stx_im ) |
| 1461 | | { |
| 1462 | | CLR_NZV; |
| 1463 | | SET_NZ16(X); |
| 1464 | | IMM16; |
| 1465 | | WM16(EAD,&pX); |
| 1466 | | } |
| 1467 | | |
| 1468 | | /* is this a legal instruction? */ |
| 1469 | | /* $108F STY immediate -**0- */ |
| 1470 | | OP_HANDLER( sty_im ) |
| 1471 | | { |
| 1472 | | CLR_NZV; |
| 1473 | | SET_NZ16(Y); |
| 1474 | | IMM16; |
| 1475 | | WM16(EAD,&pY); |
| 1476 | | } |
| 1477 | | |
| 1478 | | /* $90 SUBA direct ?**** */ |
| 1479 | | OP_HANDLER( suba_di ) |
| 1480 | | { |
| 1481 | | UINT16 t,r; |
| 1482 | | DIRBYTE(t); |
| 1483 | | r = A - t; |
| 1484 | | CLR_NZVC; |
| 1485 | | SET_FLAGS8(A,t,r); |
| 1486 | | A = r; |
| 1487 | | } |
| 1488 | | |
| 1489 | | /* $91 CMPA direct ?**** */ |
| 1490 | | OP_HANDLER( cmpa_di ) |
| 1491 | | { |
| 1492 | | UINT16 t,r; |
| 1493 | | DIRBYTE(t); |
| 1494 | | r = A - t; |
| 1495 | | CLR_NZVC; |
| 1496 | | SET_FLAGS8(A,t,r); |
| 1497 | | } |
| 1498 | | |
| 1499 | | /* $92 SBCA direct ?**** */ |
| 1500 | | OP_HANDLER( sbca_di ) |
| 1501 | | { |
| 1502 | | UINT16 t,r; |
| 1503 | | DIRBYTE(t); |
| 1504 | | r = A - t - (CC & CC_C); |
| 1505 | | CLR_NZVC; |
| 1506 | | SET_FLAGS8(A,t,r); |
| 1507 | | A = r; |
| 1508 | | } |
| 1509 | | |
| 1510 | | /* $93 SUBD (CMPD CMPU) direct -**** */ |
| 1511 | | OP_HANDLER( subd_di ) |
| 1512 | | { |
| 1513 | | UINT32 r,d; |
| 1514 | | PAIR b; |
| 1515 | | DIRWORD(b); |
| 1516 | | d = D; |
| 1517 | | r = d - b.d; |
| 1518 | | CLR_NZVC; |
| 1519 | | SET_FLAGS16(d,b.d,r); |
| 1520 | | D = r; |
| 1521 | | } |
| 1522 | | |
| 1523 | | /* $1093 CMPD direct -**** */ |
| 1524 | | OP_HANDLER( cmpd_di ) |
| 1525 | | { |
| 1526 | | UINT32 r,d; |
| 1527 | | PAIR b; |
| 1528 | | DIRWORD(b); |
| 1529 | | d = D; |
| 1530 | | r = d - b.d; |
| 1531 | | CLR_NZVC; |
| 1532 | | SET_FLAGS16(d,b.d,r); |
| 1533 | | } |
| 1534 | | |
| 1535 | | /* $1193 CMPU direct -**** */ |
| 1536 | | OP_HANDLER( cmpu_di ) |
| 1537 | | { |
| 1538 | | UINT32 r,d; |
| 1539 | | PAIR b; |
| 1540 | | DIRWORD(b); |
| 1541 | | d = U; |
| 1542 | | r = d - b.d; |
| 1543 | | CLR_NZVC; |
| 1544 | | SET_FLAGS16(U,b.d,r); |
| 1545 | | } |
| 1546 | | |
| 1547 | | /* $94 ANDA direct -**0- */ |
| 1548 | | OP_HANDLER( anda_di ) |
| 1549 | | { |
| 1550 | | UINT8 t; |
| 1551 | | DIRBYTE(t); |
| 1552 | | A &= t; |
| 1553 | | CLR_NZV; |
| 1554 | | SET_NZ8(A); |
| 1555 | | } |
| 1556 | | |
| 1557 | | /* $95 BITA direct -**0- */ |
| 1558 | | OP_HANDLER( bita_di ) |
| 1559 | | { |
| 1560 | | UINT8 t,r; |
| 1561 | | DIRBYTE(t); |
| 1562 | | r = A & t; |
| 1563 | | CLR_NZV; |
| 1564 | | SET_NZ8(r); |
| 1565 | | } |
| 1566 | | |
| 1567 | | /* $96 LDA direct -**0- */ |
| 1568 | | OP_HANDLER( lda_di ) |
| 1569 | | { |
| 1570 | | DIRBYTE(A); |
| 1571 | | CLR_NZV; |
| 1572 | | SET_NZ8(A); |
| 1573 | | } |
| 1574 | | |
| 1575 | | /* $97 STA direct -**0- */ |
| 1576 | | OP_HANDLER( sta_di ) |
| 1577 | | { |
| 1578 | | CLR_NZV; |
| 1579 | | SET_NZ8(A); |
| 1580 | | DIRECT; |
| 1581 | | WM(EAD,A); |
| 1582 | | } |
| 1583 | | |
| 1584 | | /* $98 EORA direct -**0- */ |
| 1585 | | OP_HANDLER( eora_di ) |
| 1586 | | { |
| 1587 | | UINT8 t; |
| 1588 | | DIRBYTE(t); |
| 1589 | | A ^= t; |
| 1590 | | CLR_NZV; |
| 1591 | | SET_NZ8(A); |
| 1592 | | } |
| 1593 | | |
| 1594 | | /* $99 ADCA direct ***** */ |
| 1595 | | OP_HANDLER( adca_di ) |
| 1596 | | { |
| 1597 | | UINT16 t,r; |
| 1598 | | DIRBYTE(t); |
| 1599 | | r = A + t + (CC & CC_C); |
| 1600 | | CLR_HNZVC; |
| 1601 | | SET_FLAGS8(A,t,r); |
| 1602 | | SET_H(A,t,r); |
| 1603 | | A = r; |
| 1604 | | } |
| 1605 | | |
| 1606 | | /* $9A ORA direct -**0- */ |
| 1607 | | OP_HANDLER( ora_di ) |
| 1608 | | { |
| 1609 | | UINT8 t; |
| 1610 | | DIRBYTE(t); |
| 1611 | | A |= t; |
| 1612 | | CLR_NZV; |
| 1613 | | SET_NZ8(A); |
| 1614 | | } |
| 1615 | | |
| 1616 | | /* $9B ADDA direct ***** */ |
| 1617 | | OP_HANDLER( adda_di ) |
| 1618 | | { |
| 1619 | | UINT16 t,r; |
| 1620 | | DIRBYTE(t); |
| 1621 | | r = A + t; |
| 1622 | | CLR_HNZVC; |
| 1623 | | SET_FLAGS8(A,t,r); |
| 1624 | | SET_H(A,t,r); |
| 1625 | | A = r; |
| 1626 | | } |
| 1627 | | |
| 1628 | | /* $9C CMPX (CMPY CMPS) direct -**** */ |
| 1629 | | OP_HANDLER( cmpx_di ) |
| 1630 | | { |
| 1631 | | UINT32 r,d; |
| 1632 | | PAIR b; |
| 1633 | | DIRWORD(b); |
| 1634 | | d = X; |
| 1635 | | r = d - b.d; |
| 1636 | | CLR_NZVC; |
| 1637 | | SET_FLAGS16(d,b.d,r); |
| 1638 | | } |
| 1639 | | |
| 1640 | | /* $109C CMPY direct -**** */ |
| 1641 | | OP_HANDLER( cmpy_di ) |
| 1642 | | { |
| 1643 | | UINT32 r,d; |
| 1644 | | PAIR b; |
| 1645 | | DIRWORD(b); |
| 1646 | | d = Y; |
| 1647 | | r = d - b.d; |
| 1648 | | CLR_NZVC; |
| 1649 | | SET_FLAGS16(d,b.d,r); |
| 1650 | | } |
| 1651 | | |
| 1652 | | /* $119C CMPS direct -**** */ |
| 1653 | | OP_HANDLER( cmps_di ) |
| 1654 | | { |
| 1655 | | UINT32 r,d; |
| 1656 | | PAIR b; |
| 1657 | | DIRWORD(b); |
| 1658 | | d = S; |
| 1659 | | r = d - b.d; |
| 1660 | | CLR_NZVC; |
| 1661 | | SET_FLAGS16(d,b.d,r); |
| 1662 | | } |
| 1663 | | |
| 1664 | | /* $9D JSR direct ----- */ |
| 1665 | | OP_HANDLER( jsr_di ) |
| 1666 | | { |
| 1667 | | DIRECT; |
| 1668 | | PUSHWORD(pPC); |
| 1669 | | PCD = EAD; |
| 1670 | | } |
| 1671 | | |
| 1672 | | /* $9E LDX (LDY) direct -**0- */ |
| 1673 | | OP_HANDLER( ldx_di ) |
| 1674 | | { |
| 1675 | | DIRWORD(pX); |
| 1676 | | CLR_NZV; |
| 1677 | | SET_NZ16(X); |
| 1678 | | } |
| 1679 | | |
| 1680 | | /* $109E LDY direct -**0- */ |
| 1681 | | OP_HANDLER( ldy_di ) |
| 1682 | | { |
| 1683 | | DIRWORD(pY); |
| 1684 | | CLR_NZV; |
| 1685 | | SET_NZ16(Y); |
| 1686 | | } |
| 1687 | | |
| 1688 | | /* $9F STX (STY) direct -**0- */ |
| 1689 | | OP_HANDLER( stx_di ) |
| 1690 | | { |
| 1691 | | CLR_NZV; |
| 1692 | | SET_NZ16(X); |
| 1693 | | DIRECT; |
| 1694 | | WM16(EAD,&pX); |
| 1695 | | } |
| 1696 | | |
| 1697 | | /* $109F STY direct -**0- */ |
| 1698 | | OP_HANDLER( sty_di ) |
| 1699 | | { |
| 1700 | | CLR_NZV; |
| 1701 | | SET_NZ16(Y); |
| 1702 | | DIRECT; |
| 1703 | | WM16(EAD,&pY); |
| 1704 | | } |
| 1705 | | |
| 1706 | | /* $a0 SUBA indexed ?**** */ |
| 1707 | | OP_HANDLER( suba_ix ) |
| 1708 | | { |
| 1709 | | UINT16 t,r; |
| 1710 | | fetch_effective_address(); |
| 1711 | | t = RM(EAD); |
| 1712 | | r = A - t; |
| 1713 | | CLR_NZVC; |
| 1714 | | SET_FLAGS8(A,t,r); |
| 1715 | | A = r; |
| 1716 | | } |
| 1717 | | |
| 1718 | | /* $a1 CMPA indexed ?**** */ |
| 1719 | | OP_HANDLER( cmpa_ix ) |
| 1720 | | { |
| 1721 | | UINT16 t,r; |
| 1722 | | fetch_effective_address(); |
| 1723 | | t = RM(EAD); |
| 1724 | | r = A - t; |
| 1725 | | CLR_NZVC; |
| 1726 | | SET_FLAGS8(A,t,r); |
| 1727 | | } |
| 1728 | | |
| 1729 | | /* $a2 SBCA indexed ?**** */ |
| 1730 | | OP_HANDLER( sbca_ix ) |
| 1731 | | { |
| 1732 | | UINT16 t,r; |
| 1733 | | fetch_effective_address(); |
| 1734 | | t = RM(EAD); |
| 1735 | | r = A - t - (CC & CC_C); |
| 1736 | | CLR_NZVC; |
| 1737 | | SET_FLAGS8(A,t,r); |
| 1738 | | A = r; |
| 1739 | | } |
| 1740 | | |
| 1741 | | /* $a3 SUBD (CMPD CMPU) indexed -**** */ |
| 1742 | | OP_HANDLER( subd_ix ) |
| 1743 | | { |
| 1744 | | UINT32 r,d; |
| 1745 | | PAIR b; |
| 1746 | | fetch_effective_address(); |
| 1747 | | b.d=RM16(EAD); |
| 1748 | | d = D; |
| 1749 | | r = d - b.d; |
| 1750 | | CLR_NZVC; |
| 1751 | | SET_FLAGS16(d,b.d,r); |
| 1752 | | D = r; |
| 1753 | | } |
| 1754 | | |
| 1755 | | /* $10a3 CMPD indexed -**** */ |
| 1756 | | OP_HANDLER( cmpd_ix ) |
| 1757 | | { |
| 1758 | | UINT32 r,d; |
| 1759 | | PAIR b; |
| 1760 | | fetch_effective_address(); |
| 1761 | | b.d=RM16(EAD); |
| 1762 | | d = D; |
| 1763 | | r = d - b.d; |
| 1764 | | CLR_NZVC; |
| 1765 | | SET_FLAGS16(d,b.d,r); |
| 1766 | | } |
| 1767 | | |
| 1768 | | /* $11a3 CMPU indexed -**** */ |
| 1769 | | OP_HANDLER( cmpu_ix ) |
| 1770 | | { |
| 1771 | | UINT32 r; |
| 1772 | | PAIR b; |
| 1773 | | fetch_effective_address(); |
| 1774 | | b.d=RM16(EAD); |
| 1775 | | r = U - b.d; |
| 1776 | | CLR_NZVC; |
| 1777 | | SET_FLAGS16(U,b.d,r); |
| 1778 | | } |
| 1779 | | |
| 1780 | | /* $a4 ANDA indexed -**0- */ |
| 1781 | | OP_HANDLER( anda_ix ) |
| 1782 | | { |
| 1783 | | fetch_effective_address(); |
| 1784 | | A &= RM(EAD); |
| 1785 | | CLR_NZV; |
| 1786 | | SET_NZ8(A); |
| 1787 | | } |
| 1788 | | |
| 1789 | | /* $a5 BITA indexed -**0- */ |
| 1790 | | OP_HANDLER( bita_ix ) |
| 1791 | | { |
| 1792 | | UINT8 r; |
| 1793 | | fetch_effective_address(); |
| 1794 | | r = A & RM(EAD); |
| 1795 | | CLR_NZV; |
| 1796 | | SET_NZ8(r); |
| 1797 | | } |
| 1798 | | |
| 1799 | | /* $a6 LDA indexed -**0- */ |
| 1800 | | OP_HANDLER( lda_ix ) |
| 1801 | | { |
| 1802 | | fetch_effective_address(); |
| 1803 | | A = RM(EAD); |
| 1804 | | CLR_NZV; |
| 1805 | | SET_NZ8(A); |
| 1806 | | } |
| 1807 | | |
| 1808 | | /* $a7 STA indexed -**0- */ |
| 1809 | | OP_HANDLER( sta_ix ) |
| 1810 | | { |
| 1811 | | fetch_effective_address(); |
| 1812 | | CLR_NZV; |
| 1813 | | SET_NZ8(A); |
| 1814 | | WM(EAD,A); |
| 1815 | | } |
| 1816 | | |
| 1817 | | /* $a8 EORA indexed -**0- */ |
| 1818 | | OP_HANDLER( eora_ix ) |
| 1819 | | { |
| 1820 | | fetch_effective_address(); |
| 1821 | | A ^= RM(EAD); |
| 1822 | | CLR_NZV; |
| 1823 | | SET_NZ8(A); |
| 1824 | | } |
| 1825 | | |
| 1826 | | /* $a9 ADCA indexed ***** */ |
| 1827 | | OP_HANDLER( adca_ix ) |
| 1828 | | { |
| 1829 | | UINT16 t,r; |
| 1830 | | fetch_effective_address(); |
| 1831 | | t = RM(EAD); |
| 1832 | | r = A + t + (CC & CC_C); |
| 1833 | | CLR_HNZVC; |
| 1834 | | SET_FLAGS8(A,t,r); |
| 1835 | | SET_H(A,t,r); |
| 1836 | | A = r; |
| 1837 | | } |
| 1838 | | |
| 1839 | | /* $aA ORA indexed -**0- */ |
| 1840 | | OP_HANDLER( ora_ix ) |
| 1841 | | { |
| 1842 | | fetch_effective_address(); |
| 1843 | | A |= RM(EAD); |
| 1844 | | CLR_NZV; |
| 1845 | | SET_NZ8(A); |
| 1846 | | } |
| 1847 | | |
| 1848 | | /* $aB ADDA indexed ***** */ |
| 1849 | | OP_HANDLER( adda_ix ) |
| 1850 | | { |
| 1851 | | UINT16 t,r; |
| 1852 | | fetch_effective_address(); |
| 1853 | | t = RM(EAD); |
| 1854 | | r = A + t; |
| 1855 | | CLR_HNZVC; |
| 1856 | | SET_FLAGS8(A,t,r); |
| 1857 | | SET_H(A,t,r); |
| 1858 | | A = r; |
| 1859 | | } |
| 1860 | | |
| 1861 | | /* $aC CMPX (CMPY CMPS) indexed -**** */ |
| 1862 | | OP_HANDLER( cmpx_ix ) |
| 1863 | | { |
| 1864 | | UINT32 r,d; |
| 1865 | | PAIR b; |
| 1866 | | fetch_effective_address(); |
| 1867 | | b.d=RM16(EAD); |
| 1868 | | d = X; |
| 1869 | | r = d - b.d; |
| 1870 | | CLR_NZVC; |
| 1871 | | SET_FLAGS16(d,b.d,r); |
| 1872 | | } |
| 1873 | | |
| 1874 | | /* $10aC CMPY indexed -**** */ |
| 1875 | | OP_HANDLER( cmpy_ix ) |
| 1876 | | { |
| 1877 | | UINT32 r,d; |
| 1878 | | PAIR b; |
| 1879 | | fetch_effective_address(); |
| 1880 | | b.d=RM16(EAD); |
| 1881 | | d = Y; |
| 1882 | | r = d - b.d; |
| 1883 | | CLR_NZVC; |
| 1884 | | SET_FLAGS16(d,b.d,r); |
| 1885 | | } |
| 1886 | | |
| 1887 | | /* $11aC CMPS indexed -**** */ |
| 1888 | | OP_HANDLER( cmps_ix ) |
| 1889 | | { |
| 1890 | | UINT32 r,d; |
| 1891 | | PAIR b; |
| 1892 | | fetch_effective_address(); |
| 1893 | | b.d=RM16(EAD); |
| 1894 | | d = S; |
| 1895 | | r = d - b.d; |
| 1896 | | CLR_NZVC; |
| 1897 | | SET_FLAGS16(d,b.d,r); |
| 1898 | | } |
| 1899 | | |
| 1900 | | /* $aD JSR indexed ----- */ |
| 1901 | | OP_HANDLER( jsr_ix ) |
| 1902 | | { |
| 1903 | | fetch_effective_address(); |
| 1904 | | PUSHWORD(pPC); |
| 1905 | | PCD = EAD; |
| 1906 | | } |
| 1907 | | |
| 1908 | | /* $aE LDX (LDY) indexed -**0- */ |
| 1909 | | OP_HANDLER( ldx_ix ) |
| 1910 | | { |
| 1911 | | fetch_effective_address(); |
| 1912 | | X=RM16(EAD); |
| 1913 | | CLR_NZV; |
| 1914 | | SET_NZ16(X); |
| 1915 | | } |
| 1916 | | |
| 1917 | | /* $10aE LDY indexed -**0- */ |
| 1918 | | OP_HANDLER( ldy_ix ) |
| 1919 | | { |
| 1920 | | fetch_effective_address(); |
| 1921 | | Y=RM16(EAD); |
| 1922 | | CLR_NZV; |
| 1923 | | SET_NZ16(Y); |
| 1924 | | } |
| 1925 | | |
| 1926 | | /* $aF STX (STY) indexed -**0- */ |
| 1927 | | OP_HANDLER( stx_ix ) |
| 1928 | | { |
| 1929 | | fetch_effective_address(); |
| 1930 | | CLR_NZV; |
| 1931 | | SET_NZ16(X); |
| 1932 | | WM16(EAD,&pX); |
| 1933 | | } |
| 1934 | | |
| 1935 | | /* $10aF STY indexed -**0- */ |
| 1936 | | OP_HANDLER( sty_ix ) |
| 1937 | | { |
| 1938 | | fetch_effective_address(); |
| 1939 | | CLR_NZV; |
| 1940 | | SET_NZ16(Y); |
| 1941 | | WM16(EAD,&pY); |
| 1942 | | } |
| 1943 | | |
| 1944 | | /* $b0 SUBA extended ?**** */ |
| 1945 | | OP_HANDLER( suba_ex ) |
| 1946 | | { |
| 1947 | | UINT16 t,r; |
| 1948 | | EXTBYTE(t); |
| 1949 | | r = A - t; |
| 1950 | | CLR_NZVC; |
| 1951 | | SET_FLAGS8(A,t,r); |
| 1952 | | A = r; |
| 1953 | | } |
| 1954 | | |
| 1955 | | /* $b1 CMPA extended ?**** */ |
| 1956 | | OP_HANDLER( cmpa_ex ) |
| 1957 | | { |
| 1958 | | UINT16 t,r; |
| 1959 | | EXTBYTE(t); |
| 1960 | | r = A - t; |
| 1961 | | CLR_NZVC; |
| 1962 | | SET_FLAGS8(A,t,r); |
| 1963 | | } |
| 1964 | | |
| 1965 | | /* $b2 SBCA extended ?**** */ |
| 1966 | | OP_HANDLER( sbca_ex ) |
| 1967 | | { |
| 1968 | | UINT16 t,r; |
| 1969 | | EXTBYTE(t); |
| 1970 | | r = A - t - (CC & CC_C); |
| 1971 | | CLR_NZVC; |
| 1972 | | SET_FLAGS8(A,t,r); |
| 1973 | | A = r; |
| 1974 | | } |
| 1975 | | |
| 1976 | | /* $b3 SUBD (CMPD CMPU) extended -**** */ |
| 1977 | | OP_HANDLER( subd_ex ) |
| 1978 | | { |
| 1979 | | UINT32 r,d; |
| 1980 | | PAIR b; |
| 1981 | | EXTWORD(b); |
| 1982 | | d = D; |
| 1983 | | r = d - b.d; |
| 1984 | | CLR_NZVC; |
| 1985 | | SET_FLAGS16(d,b.d,r); |
| 1986 | | D = r; |
| 1987 | | } |
| 1988 | | |
| 1989 | | /* $10b3 CMPD extended -**** */ |
| 1990 | | OP_HANDLER( cmpd_ex ) |
| 1991 | | { |
| 1992 | | UINT32 r,d; |
| 1993 | | PAIR b; |
| 1994 | | EXTWORD(b); |
| 1995 | | d = D; |
| 1996 | | r = d - b.d; |
| 1997 | | CLR_NZVC; |
| 1998 | | SET_FLAGS16(d,b.d,r); |
| 1999 | | } |
| 2000 | | |
| 2001 | | /* $11b3 CMPU extended -**** */ |
| 2002 | | OP_HANDLER( cmpu_ex ) |
| 2003 | | { |
| 2004 | | UINT32 r,d; |
| 2005 | | PAIR b; |
| 2006 | | EXTWORD(b); |
| 2007 | | d = U; |
| 2008 | | r = d - b.d; |
| 2009 | | CLR_NZVC; |
| 2010 | | SET_FLAGS16(d,b.d,r); |
| 2011 | | } |
| 2012 | | |
| 2013 | | /* $b4 ANDA extended -**0- */ |
| 2014 | | OP_HANDLER( anda_ex ) |
| 2015 | | { |
| 2016 | | UINT8 t; |
| 2017 | | EXTBYTE(t); |
| 2018 | | A &= t; |
| 2019 | | CLR_NZV; |
| 2020 | | SET_NZ8(A); |
| 2021 | | } |
| 2022 | | |
| 2023 | | /* $b5 BITA extended -**0- */ |
| 2024 | | OP_HANDLER( bita_ex ) |
| 2025 | | { |
| 2026 | | UINT8 t,r; |
| 2027 | | EXTBYTE(t); |
| 2028 | | r = A & t; |
| 2029 | | CLR_NZV; SET_NZ8(r); |
| 2030 | | } |
| 2031 | | |
| 2032 | | /* $b6 LDA extended -**0- */ |
| 2033 | | OP_HANDLER( lda_ex ) |
| 2034 | | { |
| 2035 | | EXTBYTE(A); |
| 2036 | | CLR_NZV; |
| 2037 | | SET_NZ8(A); |
| 2038 | | } |
| 2039 | | |
| 2040 | | /* $b7 STA extended -**0- */ |
| 2041 | | OP_HANDLER( sta_ex ) |
| 2042 | | { |
| 2043 | | CLR_NZV; |
| 2044 | | SET_NZ8(A); |
| 2045 | | EXTENDED; |
| 2046 | | WM(EAD,A); |
| 2047 | | } |
| 2048 | | |
| 2049 | | /* $b8 EORA extended -**0- */ |
| 2050 | | OP_HANDLER( eora_ex ) |
| 2051 | | { |
| 2052 | | UINT8 t; |
| 2053 | | EXTBYTE(t); |
| 2054 | | A ^= t; |
| 2055 | | CLR_NZV; |
| 2056 | | SET_NZ8(A); |
| 2057 | | } |
| 2058 | | |
| 2059 | | /* $b9 ADCA extended ***** */ |
| 2060 | | OP_HANDLER( adca_ex ) |
| 2061 | | { |
| 2062 | | UINT16 t,r; |
| 2063 | | EXTBYTE(t); |
| 2064 | | r = A + t + (CC & CC_C); |
| 2065 | | CLR_HNZVC; |
| 2066 | | SET_FLAGS8(A,t,r); |
| 2067 | | SET_H(A,t,r); |
| 2068 | | A = r; |
| 2069 | | } |
| 2070 | | |
| 2071 | | /* $bA ORA extended -**0- */ |
| 2072 | | OP_HANDLER( ora_ex ) |
| 2073 | | { |
| 2074 | | UINT8 t; |
| 2075 | | EXTBYTE(t); |
| 2076 | | A |= t; |
| 2077 | | CLR_NZV; |
| 2078 | | SET_NZ8(A); |
| 2079 | | } |
| 2080 | | |
| 2081 | | /* $bB ADDA extended ***** */ |
| 2082 | | OP_HANDLER( adda_ex ) |
| 2083 | | { |
| 2084 | | UINT16 t,r; |
| 2085 | | EXTBYTE(t); |
| 2086 | | r = A + t; |
| 2087 | | CLR_HNZVC; |
| 2088 | | SET_FLAGS8(A,t,r); |
| 2089 | | SET_H(A,t,r); |
| 2090 | | A = r; |
| 2091 | | } |
| 2092 | | |
| 2093 | | /* $bC CMPX (CMPY CMPS) extended -**** */ |
| 2094 | | OP_HANDLER( cmpx_ex ) |
| 2095 | | { |
| 2096 | | UINT32 r,d; |
| 2097 | | PAIR b; |
| 2098 | | EXTWORD(b); |
| 2099 | | d = X; |
| 2100 | | r = d - b.d; |
| 2101 | | CLR_NZVC; |
| 2102 | | SET_FLAGS16(d,b.d,r); |
| 2103 | | } |
| 2104 | | |
| 2105 | | /* $10bC CMPY extended -**** */ |
| 2106 | | OP_HANDLER( cmpy_ex ) |
| 2107 | | { |
| 2108 | | UINT32 r,d; |
| 2109 | | PAIR b; |
| 2110 | | EXTWORD(b); |
| 2111 | | d = Y; |
| 2112 | | r = d - b.d; |
| 2113 | | CLR_NZVC; |
| 2114 | | SET_FLAGS16(d,b.d,r); |
| 2115 | | } |
| 2116 | | |
| 2117 | | /* $11bC CMPS extended -**** */ |
| 2118 | | OP_HANDLER( cmps_ex ) |
| 2119 | | { |
| 2120 | | UINT32 r,d; |
| 2121 | | PAIR b; |
| 2122 | | EXTWORD(b); |
| 2123 | | d = S; |
| 2124 | | r = d - b.d; |
| 2125 | | CLR_NZVC; |
| 2126 | | SET_FLAGS16(d,b.d,r); |
| 2127 | | } |
| 2128 | | |
| 2129 | | /* $bD JSR extended ----- */ |
| 2130 | | OP_HANDLER( jsr_ex ) |
| 2131 | | { |
| 2132 | | EXTENDED; |
| 2133 | | PUSHWORD(pPC); |
| 2134 | | PCD = EAD; |
| 2135 | | } |
| 2136 | | |
| 2137 | | /* $bE LDX (LDY) extended -**0- */ |
| 2138 | | OP_HANDLER( ldx_ex ) |
| 2139 | | { |
| 2140 | | EXTWORD(pX); |
| 2141 | | CLR_NZV; |
| 2142 | | SET_NZ16(X); |
| 2143 | | } |
| 2144 | | |
| 2145 | | /* $10bE LDY extended -**0- */ |
| 2146 | | OP_HANDLER( ldy_ex ) |
| 2147 | | { |
| 2148 | | EXTWORD(pY); |
| 2149 | | CLR_NZV; |
| 2150 | | SET_NZ16(Y); |
| 2151 | | } |
| 2152 | | |
| 2153 | | /* $bF STX (STY) extended -**0- */ |
| 2154 | | OP_HANDLER( stx_ex ) |
| 2155 | | { |
| 2156 | | CLR_NZV; |
| 2157 | | SET_NZ16(X); |
| 2158 | | EXTENDED; |
| 2159 | | WM16(EAD,&pX); |
| 2160 | | } |
| 2161 | | |
| 2162 | | /* $10bF STY extended -**0- */ |
| 2163 | | OP_HANDLER( sty_ex ) |
| 2164 | | { |
| 2165 | | CLR_NZV; |
| 2166 | | SET_NZ16(Y); |
| 2167 | | EXTENDED; |
| 2168 | | WM16(EAD,&pY); |
| 2169 | | } |
| 2170 | | |
| 2171 | | /* $c0 SUBB immediate ?**** */ |
| 2172 | | OP_HANDLER( subb_im ) |
| 2173 | | { |
| 2174 | | UINT16 t,r; |
| 2175 | | IMMBYTE(t); |
| 2176 | | r = B - t; |
| 2177 | | CLR_NZVC; |
| 2178 | | SET_FLAGS8(B,t,r); |
| 2179 | | B = r; |
| 2180 | | } |
| 2181 | | |
| 2182 | | /* $c1 CMPB immediate ?**** */ |
| 2183 | | OP_HANDLER( cmpb_im ) |
| 2184 | | { |
| 2185 | | UINT16 t,r; |
| 2186 | | IMMBYTE(t); |
| 2187 | | r = B - t; |
| 2188 | | CLR_NZVC; SET_FLAGS8(B,t,r); |
| 2189 | | } |
| 2190 | | |
| 2191 | | /* $c2 SBCB immediate ?**** */ |
| 2192 | | OP_HANDLER( sbcb_im ) |
| 2193 | | { |
| 2194 | | UINT16 t,r; |
| 2195 | | IMMBYTE(t); |
| 2196 | | r = B - t - (CC & CC_C); |
| 2197 | | CLR_NZVC; |
| 2198 | | SET_FLAGS8(B,t,r); |
| 2199 | | B = r; |
| 2200 | | } |
| 2201 | | |
| 2202 | | /* $c3 ADDD immediate -**** */ |
| 2203 | | OP_HANDLER( addd_im ) |
| 2204 | | { |
| 2205 | | UINT32 r,d; |
| 2206 | | PAIR b; |
| 2207 | | IMMWORD(b); |
| 2208 | | d = D; |
| 2209 | | r = d + b.d; |
| 2210 | | CLR_NZVC; |
| 2211 | | SET_FLAGS16(d,b.d,r); |
| 2212 | | D = r; |
| 2213 | | } |
| 2214 | | |
| 2215 | | /* $c4 ANDB immediate -**0- */ |
| 2216 | | OP_HANDLER( andb_im ) |
| 2217 | | { |
| 2218 | | UINT8 t; |
| 2219 | | IMMBYTE(t); |
| 2220 | | B &= t; |
| 2221 | | CLR_NZV; |
| 2222 | | SET_NZ8(B); |
| 2223 | | } |
| 2224 | | |
| 2225 | | /* $c5 BITB immediate -**0- */ |
| 2226 | | OP_HANDLER( bitb_im ) |
| 2227 | | { |
| 2228 | | UINT8 t,r; |
| 2229 | | IMMBYTE(t); |
| 2230 | | r = B & t; |
| 2231 | | CLR_NZV; |
| 2232 | | SET_NZ8(r); |
| 2233 | | } |
| 2234 | | |
| 2235 | | /* $c6 LDB immediate -**0- */ |
| 2236 | | OP_HANDLER( ldb_im ) |
| 2237 | | { |
| 2238 | | IMMBYTE(B); |
| 2239 | | CLR_NZV; |
| 2240 | | SET_NZ8(B); |
| 2241 | | } |
| 2242 | | |
| 2243 | | /* is this a legal instruction? */ |
| 2244 | | /* $c7 STB immediate -**0- */ |
| 2245 | | OP_HANDLER( stb_im ) |
| 2246 | | { |
| 2247 | | CLR_NZV; |
| 2248 | | SET_NZ8(B); |
| 2249 | | IMM8; |
| 2250 | | WM(EAD,B); |
| 2251 | | } |
| 2252 | | |
| 2253 | | /* $c8 EORB immediate -**0- */ |
| 2254 | | OP_HANDLER( eorb_im ) |
| 2255 | | { |
| 2256 | | UINT8 t; |
| 2257 | | IMMBYTE(t); |
| 2258 | | B ^= t; |
| 2259 | | CLR_NZV; |
| 2260 | | SET_NZ8(B); |
| 2261 | | } |
| 2262 | | |
| 2263 | | /* $c9 ADCB immediate ***** */ |
| 2264 | | OP_HANDLER( adcb_im ) |
| 2265 | | { |
| 2266 | | UINT16 t,r; |
| 2267 | | IMMBYTE(t); |
| 2268 | | r = B + t + (CC & CC_C); |
| 2269 | | CLR_HNZVC; |
| 2270 | | SET_FLAGS8(B,t,r); |
| 2271 | | SET_H(B,t,r); |
| 2272 | | B = r; |
| 2273 | | } |
| 2274 | | |
| 2275 | | /* $cA ORB immediate -**0- */ |
| 2276 | | OP_HANDLER( orb_im ) |
| 2277 | | { |
| 2278 | | UINT8 t; |
| 2279 | | IMMBYTE(t); |
| 2280 | | B |= t; |
| 2281 | | CLR_NZV; |
| 2282 | | SET_NZ8(B); |
| 2283 | | } |
| 2284 | | |
| 2285 | | /* $cB ADDB immediate ***** */ |
| 2286 | | OP_HANDLER( addb_im ) |
| 2287 | | { |
| 2288 | | UINT16 t,r; |
| 2289 | | IMMBYTE(t); |
| 2290 | | r = B + t; |
| 2291 | | CLR_HNZVC; |
| 2292 | | SET_FLAGS8(B,t,r); |
| 2293 | | SET_H(B,t,r); |
| 2294 | | B = r; |
| 2295 | | } |
| 2296 | | |
| 2297 | | /* $cC LDD immediate -**0- */ |
| 2298 | | OP_HANDLER( ldd_im ) |
| 2299 | | { |
| 2300 | | IMMWORD(pD); |
| 2301 | | CLR_NZV; |
| 2302 | | SET_NZ16(D); |
| 2303 | | } |
| 2304 | | |
| 2305 | | /* is this a legal instruction? */ |
| 2306 | | /* $cD STD immediate -**0- */ |
| 2307 | | OP_HANDLER( std_im ) |
| 2308 | | { |
| 2309 | | CLR_NZV; |
| 2310 | | SET_NZ16(D); |
| 2311 | | IMM16; |
| 2312 | | WM16(EAD,&pD); |
| 2313 | | } |
| 2314 | | |
| 2315 | | /* $cE LDU (LDS) immediate -**0- */ |
| 2316 | | OP_HANDLER( ldu_im ) |
| 2317 | | { |
| 2318 | | IMMWORD(pU); |
| 2319 | | CLR_NZV; |
| 2320 | | SET_NZ16(U); |
| 2321 | | } |
| 2322 | | |
| 2323 | | /* $10cE LDS immediate -**0- */ |
| 2324 | | OP_HANDLER( lds_im ) |
| 2325 | | { |
| 2326 | | IMMWORD(pS); |
| 2327 | | CLR_NZV; |
| 2328 | | SET_NZ16(S); |
| 2329 | | m_int_state |= M6809_LDS; |
| 2330 | | } |
| 2331 | | |
| 2332 | | /* is this a legal instruction? */ |
| 2333 | | /* $cF STU (STS) immediate -**0- */ |
| 2334 | | OP_HANDLER( stu_im ) |
| 2335 | | { |
| 2336 | | CLR_NZV; |
| 2337 | | SET_NZ16(U); |
| 2338 | | IMM16; |
| 2339 | | WM16(EAD,&pU); |
| 2340 | | } |
| 2341 | | |
| 2342 | | /* is this a legal instruction? */ |
| 2343 | | /* $10cF STS immediate -**0- */ |
| 2344 | | OP_HANDLER( sts_im ) |
| 2345 | | { |
| 2346 | | CLR_NZV; |
| 2347 | | SET_NZ16(S); |
| 2348 | | IMM16; |
| 2349 | | WM16(EAD,&pS); |
| 2350 | | } |
| 2351 | | |
| 2352 | | /* $d0 SUBB direct ?**** */ |
| 2353 | | OP_HANDLER( subb_di ) |
| 2354 | | { |
| 2355 | | UINT16 t,r; |
| 2356 | | DIRBYTE(t); |
| 2357 | | r = B - t; |
| 2358 | | CLR_NZVC; |
| 2359 | | SET_FLAGS8(B,t,r); |
| 2360 | | B = r; |
| 2361 | | } |
| 2362 | | |
| 2363 | | /* $d1 CMPB direct ?**** */ |
| 2364 | | OP_HANDLER( cmpb_di ) |
| 2365 | | { |
| 2366 | | UINT16 t,r; |
| 2367 | | DIRBYTE(t); |
| 2368 | | r = B - t; |
| 2369 | | CLR_NZVC; |
| 2370 | | SET_FLAGS8(B,t,r); |
| 2371 | | } |
| 2372 | | |
| 2373 | | /* $d2 SBCB direct ?**** */ |
| 2374 | | OP_HANDLER( sbcb_di ) |
| 2375 | | { |
| 2376 | | UINT16 t,r; |
| 2377 | | DIRBYTE(t); |
| 2378 | | r = B - t - (CC & CC_C); |
| 2379 | | CLR_NZVC; |
| 2380 | | SET_FLAGS8(B,t,r); |
| 2381 | | B = r; |
| 2382 | | } |
| 2383 | | |
| 2384 | | /* $d3 ADDD direct -**** */ |
| 2385 | | OP_HANDLER( addd_di ) |
| 2386 | | { |
| 2387 | | UINT32 r,d; |
| 2388 | | PAIR b; |
| 2389 | | DIRWORD(b); |
| 2390 | | d = D; |
| 2391 | | r = d + b.d; |
| 2392 | | CLR_NZVC; |
| 2393 | | SET_FLAGS16(d,b.d,r); |
| 2394 | | D = r; |
| 2395 | | } |
| 2396 | | |
| 2397 | | /* $d4 ANDB direct -**0- */ |
| 2398 | | OP_HANDLER( andb_di ) |
| 2399 | | { |
| 2400 | | UINT8 t; |
| 2401 | | DIRBYTE(t); |
| 2402 | | B &= t; |
| 2403 | | CLR_NZV; |
| 2404 | | SET_NZ8(B); |
| 2405 | | } |
| 2406 | | |
| 2407 | | /* $d5 BITB direct -**0- */ |
| 2408 | | OP_HANDLER( bitb_di ) |
| 2409 | | { |
| 2410 | | UINT8 t,r; |
| 2411 | | DIRBYTE(t); |
| 2412 | | r = B & t; |
| 2413 | | CLR_NZV; |
| 2414 | | SET_NZ8(r); |
| 2415 | | } |
| 2416 | | |
| 2417 | | /* $d6 LDB direct -**0- */ |
| 2418 | | OP_HANDLER( ldb_di ) |
| 2419 | | { |
| 2420 | | DIRBYTE(B); |
| 2421 | | CLR_NZV; |
| 2422 | | SET_NZ8(B); |
| 2423 | | } |
| 2424 | | |
| 2425 | | /* $d7 STB direct -**0- */ |
| 2426 | | OP_HANDLER( stb_di ) |
| 2427 | | { |
| 2428 | | CLR_NZV; |
| 2429 | | SET_NZ8(B); |
| 2430 | | DIRECT; |
| 2431 | | WM(EAD,B); |
| 2432 | | } |
| 2433 | | |
| 2434 | | /* $d8 EORB direct -**0- */ |
| 2435 | | OP_HANDLER( eorb_di ) |
| 2436 | | { |
| 2437 | | UINT8 t; |
| 2438 | | DIRBYTE(t); |
| 2439 | | B ^= t; |
| 2440 | | CLR_NZV; |
| 2441 | | SET_NZ8(B); |
| 2442 | | } |
| 2443 | | |
| 2444 | | /* $d9 ADCB direct ***** */ |
| 2445 | | OP_HANDLER( adcb_di ) |
| 2446 | | { |
| 2447 | | UINT16 t,r; |
| 2448 | | DIRBYTE(t); |
| 2449 | | r = B + t + (CC & CC_C); |
| 2450 | | CLR_HNZVC; |
| 2451 | | SET_FLAGS8(B,t,r); |
| 2452 | | SET_H(B,t,r); |
| 2453 | | B = r; |
| 2454 | | } |
| 2455 | | |
| 2456 | | /* $dA ORB direct -**0- */ |
| 2457 | | OP_HANDLER( orb_di ) |
| 2458 | | { |
| 2459 | | UINT8 t; |
| 2460 | | DIRBYTE(t); |
| 2461 | | B |= t; |
| 2462 | | CLR_NZV; |
| 2463 | | SET_NZ8(B); |
| 2464 | | } |
| 2465 | | |
| 2466 | | /* $dB ADDB direct ***** */ |
| 2467 | | OP_HANDLER( addb_di ) |
| 2468 | | { |
| 2469 | | UINT16 t,r; |
| 2470 | | DIRBYTE(t); |
| 2471 | | r = B + t; |
| 2472 | | CLR_HNZVC; |
| 2473 | | SET_FLAGS8(B,t,r); |
| 2474 | | SET_H(B,t,r); |
| 2475 | | B = r; |
| 2476 | | } |
| 2477 | | |
| 2478 | | /* $dC LDD direct -**0- */ |
| 2479 | | OP_HANDLER( ldd_di ) |
| 2480 | | { |
| 2481 | | DIRWORD(pD); |
| 2482 | | CLR_NZV; |
| 2483 | | SET_NZ16(D); |
| 2484 | | } |
| 2485 | | |
| 2486 | | /* $dD STD direct -**0- */ |
| 2487 | | OP_HANDLER( std_di ) |
| 2488 | | { |
| 2489 | | CLR_NZV; |
| 2490 | | SET_NZ16(D); |
| 2491 | | DIRECT; |
| 2492 | | WM16(EAD,&pD); |
| 2493 | | } |
| 2494 | | |
| 2495 | | /* $dE LDU (LDS) direct -**0- */ |
| 2496 | | OP_HANDLER( ldu_di ) |
| 2497 | | { |
| 2498 | | DIRWORD(pU); |
| 2499 | | CLR_NZV; |
| 2500 | | SET_NZ16(U); |
| 2501 | | } |
| 2502 | | |
| 2503 | | /* $10dE LDS direct -**0- */ |
| 2504 | | OP_HANDLER( lds_di ) |
| 2505 | | { |
| 2506 | | DIRWORD(pS); |
| 2507 | | CLR_NZV; |
| 2508 | | SET_NZ16(S); |
| 2509 | | m_int_state |= M6809_LDS; |
| 2510 | | } |
| 2511 | | |
| 2512 | | /* $dF STU (STS) direct -**0- */ |
| 2513 | | OP_HANDLER( stu_di ) |
| 2514 | | { |
| 2515 | | CLR_NZV; |
| 2516 | | SET_NZ16(U); |
| 2517 | | DIRECT; |
| 2518 | | WM16(EAD,&pU); |
| 2519 | | } |
| 2520 | | |
| 2521 | | /* $10dF STS direct -**0- */ |
| 2522 | | OP_HANDLER( sts_di ) |
| 2523 | | { |
| 2524 | | CLR_NZV; |
| 2525 | | SET_NZ16(S); |
| 2526 | | DIRECT; |
| 2527 | | WM16(EAD,&pS); |
| 2528 | | } |
| 2529 | | |
| 2530 | | /* $e0 SUBB indexed ?**** */ |
| 2531 | | OP_HANDLER( subb_ix ) |
| 2532 | | { |
| 2533 | | UINT16 t,r; |
| 2534 | | fetch_effective_address(); |
| 2535 | | t = RM(EAD); |
| 2536 | | r = B - t; |
| 2537 | | CLR_NZVC; |
| 2538 | | SET_FLAGS8(B,t,r); |
| 2539 | | B = r; |
| 2540 | | } |
| 2541 | | |
| 2542 | | /* $e1 CMPB indexed ?**** */ |
| 2543 | | OP_HANDLER( cmpb_ix ) |
| 2544 | | { |
| 2545 | | UINT16 t,r; |
| 2546 | | fetch_effective_address(); |
| 2547 | | t = RM(EAD); |
| 2548 | | r = B - t; |
| 2549 | | CLR_NZVC; |
| 2550 | | SET_FLAGS8(B,t,r); |
| 2551 | | } |
| 2552 | | |
| 2553 | | /* $e2 SBCB indexed ?**** */ |
| 2554 | | OP_HANDLER( sbcb_ix ) |
| 2555 | | { |
| 2556 | | UINT16 t,r; |
| 2557 | | fetch_effective_address(); |
| 2558 | | t = RM(EAD); |
| 2559 | | r = B - t - (CC & CC_C); |
| 2560 | | CLR_NZVC; |
| 2561 | | SET_FLAGS8(B,t,r); |
| 2562 | | B = r; |
| 2563 | | } |
| 2564 | | |
| 2565 | | /* $e3 ADDD indexed -**** */ |
| 2566 | | OP_HANDLER( addd_ix ) |
| 2567 | | { |
| 2568 | | UINT32 r,d; |
| 2569 | | PAIR b; |
| 2570 | | fetch_effective_address(); |
| 2571 | | b.d=RM16(EAD); |
| 2572 | | d = D; |
| 2573 | | r = d + b.d; |
| 2574 | | CLR_NZVC; |
| 2575 | | SET_FLAGS16(d,b.d,r); |
| 2576 | | D = r; |
| 2577 | | } |
| 2578 | | |
| 2579 | | /* $e4 ANDB indexed -**0- */ |
| 2580 | | OP_HANDLER( andb_ix ) |
| 2581 | | { |
| 2582 | | fetch_effective_address(); |
| 2583 | | B &= RM(EAD); |
| 2584 | | CLR_NZV; |
| 2585 | | SET_NZ8(B); |
| 2586 | | } |
| 2587 | | |
| 2588 | | /* $e5 BITB indexed -**0- */ |
| 2589 | | OP_HANDLER( bitb_ix ) |
| 2590 | | { |
| 2591 | | UINT8 r; |
| 2592 | | fetch_effective_address(); |
| 2593 | | r = B & RM(EAD); |
| 2594 | | CLR_NZV; |
| 2595 | | SET_NZ8(r); |
| 2596 | | } |
| 2597 | | |
| 2598 | | /* $e6 LDB indexed -**0- */ |
| 2599 | | OP_HANDLER( ldb_ix ) |
| 2600 | | { |
| 2601 | | fetch_effective_address(); |
| 2602 | | B = RM(EAD); |
| 2603 | | CLR_NZV; |
| 2604 | | SET_NZ8(B); |
| 2605 | | } |
| 2606 | | |
| 2607 | | /* $e7 STB indexed -**0- */ |
| 2608 | | OP_HANDLER( stb_ix ) |
| 2609 | | { |
| 2610 | | fetch_effective_address(); |
| 2611 | | CLR_NZV; |
| 2612 | | SET_NZ8(B); |
| 2613 | | WM(EAD,B); |
| 2614 | | } |
| 2615 | | |
| 2616 | | /* $e8 EORB indexed -**0- */ |
| 2617 | | OP_HANDLER( eorb_ix ) |
| 2618 | | { |
| 2619 | | fetch_effective_address(); |
| 2620 | | B ^= RM(EAD); |
| 2621 | | CLR_NZV; |
| 2622 | | SET_NZ8(B); |
| 2623 | | } |
| 2624 | | |
| 2625 | | /* $e9 ADCB indexed ***** */ |
| 2626 | | OP_HANDLER( adcb_ix ) |
| 2627 | | { |
| 2628 | | UINT16 t,r; |
| 2629 | | fetch_effective_address(); |
| 2630 | | t = RM(EAD); |
| 2631 | | r = B + t + (CC & CC_C); |
| 2632 | | CLR_HNZVC; |
| 2633 | | SET_FLAGS8(B,t,r); |
| 2634 | | SET_H(B,t,r); |
| 2635 | | B = r; |
| 2636 | | } |
| 2637 | | |
| 2638 | | /* $eA ORB indexed -**0- */ |
| 2639 | | OP_HANDLER( orb_ix ) |
| 2640 | | { |
| 2641 | | fetch_effective_address(); |
| 2642 | | B |= RM(EAD); |
| 2643 | | CLR_NZV; |
| 2644 | | SET_NZ8(B); |
| 2645 | | } |
| 2646 | | |
| 2647 | | /* $eB ADDB indexed ***** */ |
| 2648 | | OP_HANDLER( addb_ix ) |
| 2649 | | { |
| 2650 | | UINT16 t,r; |
| 2651 | | fetch_effective_address(); |
| 2652 | | t = RM(EAD); |
| 2653 | | r = B + t; |
| 2654 | | CLR_HNZVC; |
| 2655 | | SET_FLAGS8(B,t,r); |
| 2656 | | SET_H(B,t,r); |
| 2657 | | B = r; |
| 2658 | | } |
| 2659 | | |
| 2660 | | /* $eC LDD indexed -**0- */ |
| 2661 | | OP_HANDLER( ldd_ix ) |
| 2662 | | { |
| 2663 | | fetch_effective_address(); |
| 2664 | | D=RM16(EAD); |
| 2665 | | CLR_NZV; SET_NZ16(D); |
| 2666 | | } |
| 2667 | | |
| 2668 | | /* $eD STD indexed -**0- */ |
| 2669 | | OP_HANDLER( std_ix ) |
| 2670 | | { |
| 2671 | | fetch_effective_address(); |
| 2672 | | CLR_NZV; |
| 2673 | | SET_NZ16(D); |
| 2674 | | WM16(EAD,&pD); |
| 2675 | | } |
| 2676 | | |
| 2677 | | /* $eE LDU (LDS) indexed -**0- */ |
| 2678 | | OP_HANDLER( ldu_ix ) |
| 2679 | | { |
| 2680 | | fetch_effective_address(); |
| 2681 | | U=RM16(EAD); |
| 2682 | | CLR_NZV; |
| 2683 | | SET_NZ16(U); |
| 2684 | | } |
| 2685 | | |
| 2686 | | /* $10eE LDS indexed -**0- */ |
| 2687 | | OP_HANDLER( lds_ix ) |
| 2688 | | { |
| 2689 | | fetch_effective_address(); |
| 2690 | | S=RM16(EAD); |
| 2691 | | CLR_NZV; |
| 2692 | | SET_NZ16(S); |
| 2693 | | m_int_state |= M6809_LDS; |
| 2694 | | } |
| 2695 | | |
| 2696 | | /* $eF STU (STS) indexed -**0- */ |
| 2697 | | OP_HANDLER( stu_ix ) |
| 2698 | | { |
| 2699 | | fetch_effective_address(); |
| 2700 | | CLR_NZV; |
| 2701 | | SET_NZ16(U); |
| 2702 | | WM16(EAD,&pU); |
| 2703 | | } |
| 2704 | | |
| 2705 | | /* $10eF STS indexed -**0- */ |
| 2706 | | OP_HANDLER( sts_ix ) |
| 2707 | | { |
| 2708 | | fetch_effective_address(); |
| 2709 | | CLR_NZV; |
| 2710 | | SET_NZ16(S); |
| 2711 | | WM16(EAD,&pS); |
| 2712 | | } |
| 2713 | | |
| 2714 | | /* $f0 SUBB extended ?**** */ |
| 2715 | | OP_HANDLER( subb_ex ) |
| 2716 | | { |
| 2717 | | UINT16 t,r; |
| 2718 | | EXTBYTE(t); |
| 2719 | | r = B - t; |
| 2720 | | CLR_NZVC; |
| 2721 | | SET_FLAGS8(B,t,r); |
| 2722 | | B = r; |
| 2723 | | } |
| 2724 | | |
| 2725 | | /* $f1 CMPB extended ?**** */ |
| 2726 | | OP_HANDLER( cmpb_ex ) |
| 2727 | | { |
| 2728 | | UINT16 t,r; |
| 2729 | | EXTBYTE(t); |
| 2730 | | r = B - t; |
| 2731 | | CLR_NZVC; |
| 2732 | | SET_FLAGS8(B,t,r); |
| 2733 | | } |
| 2734 | | |
| 2735 | | /* $f2 SBCB extended ?**** */ |
| 2736 | | OP_HANDLER( sbcb_ex ) |
| 2737 | | { |
| 2738 | | UINT16 t,r; |
| 2739 | | EXTBYTE(t); |
| 2740 | | r = B - t - (CC & CC_C); |
| 2741 | | CLR_NZVC; |
| 2742 | | SET_FLAGS8(B,t,r); |
| 2743 | | B = r; |
| 2744 | | } |
| 2745 | | |
| 2746 | | /* $f3 ADDD extended -**** */ |
| 2747 | | OP_HANDLER( addd_ex ) |
| 2748 | | { |
| 2749 | | UINT32 r,d; |
| 2750 | | PAIR b; |
| 2751 | | EXTWORD(b); |
| 2752 | | d = D; |
| 2753 | | r = d + b.d; |
| 2754 | | CLR_NZVC; |
| 2755 | | SET_FLAGS16(d,b.d,r); |
| 2756 | | D = r; |
| 2757 | | } |
| 2758 | | |
| 2759 | | /* $f4 ANDB extended -**0- */ |
| 2760 | | OP_HANDLER( andb_ex ) |
| 2761 | | { |
| 2762 | | UINT8 t; |
| 2763 | | EXTBYTE(t); |
| 2764 | | B &= t; |
| 2765 | | CLR_NZV; |
| 2766 | | SET_NZ8(B); |
| 2767 | | } |
| 2768 | | |
| 2769 | | /* $f5 BITB extended -**0- */ |
| 2770 | | OP_HANDLER( bitb_ex ) |
| 2771 | | { |
| 2772 | | UINT8 t,r; |
| 2773 | | EXTBYTE(t); |
| 2774 | | r = B & t; |
| 2775 | | CLR_NZV; |
| 2776 | | SET_NZ8(r); |
| 2777 | | } |
| 2778 | | |
| 2779 | | /* $f6 LDB extended -**0- */ |
| 2780 | | OP_HANDLER( ldb_ex ) |
| 2781 | | { |
| 2782 | | EXTBYTE(B); |
| 2783 | | CLR_NZV; |
| 2784 | | SET_NZ8(B); |
| 2785 | | } |
| 2786 | | |
| 2787 | | /* $f7 STB extended -**0- */ |
| 2788 | | OP_HANDLER( stb_ex ) |
| 2789 | | { |
| 2790 | | CLR_NZV; |
| 2791 | | SET_NZ8(B); |
| 2792 | | EXTENDED; |
| 2793 | | WM(EAD,B); |
| 2794 | | } |
| 2795 | | |
| 2796 | | /* $f8 EORB extended -**0- */ |
| 2797 | | OP_HANDLER( eorb_ex ) |
| 2798 | | { |
| 2799 | | UINT8 t; |
| 2800 | | EXTBYTE(t); |
| 2801 | | B ^= t; |
| 2802 | | CLR_NZV; |
| 2803 | | SET_NZ8(B); |
| 2804 | | } |
| 2805 | | |
| 2806 | | /* $f9 ADCB extended ***** */ |
| 2807 | | OP_HANDLER( adcb_ex ) |
| 2808 | | { |
| 2809 | | UINT16 t,r; |
| 2810 | | EXTBYTE(t); |
| 2811 | | r = B + t + (CC & CC_C); |
| 2812 | | CLR_HNZVC; |
| 2813 | | SET_FLAGS8(B,t,r); |
| 2814 | | SET_H(B,t,r); |
| 2815 | | B = r; |
| 2816 | | } |
| 2817 | | |
| 2818 | | /* $fA ORB extended -**0- */ |
| 2819 | | OP_HANDLER( orb_ex ) |
| 2820 | | { |
| 2821 | | UINT8 t; |
| 2822 | | EXTBYTE(t); |
| 2823 | | B |= t; |
| 2824 | | CLR_NZV; |
| 2825 | | SET_NZ8(B); |
| 2826 | | } |
| 2827 | | |
| 2828 | | /* $fB ADDB extended ***** */ |
| 2829 | | OP_HANDLER( addb_ex ) |
| 2830 | | { |
| 2831 | | UINT16 t,r; |
| 2832 | | EXTBYTE(t); |
| 2833 | | r = B + t; |
| 2834 | | CLR_HNZVC; |
| 2835 | | SET_FLAGS8(B,t,r); |
| 2836 | | SET_H(B,t,r); |
| 2837 | | B = r; |
| 2838 | | } |
| 2839 | | |
| 2840 | | /* $fC LDD extended -**0- */ |
| 2841 | | OP_HANDLER( ldd_ex ) |
| 2842 | | { |
| 2843 | | EXTWORD(pD); |
| 2844 | | CLR_NZV; |
| 2845 | | SET_NZ16(D); |
| 2846 | | } |
| 2847 | | |
| 2848 | | /* $fD STD extended -**0- */ |
| 2849 | | OP_HANDLER( std_ex ) |
| 2850 | | { |
| 2851 | | CLR_NZV; |
| 2852 | | SET_NZ16(D); |
| 2853 | | EXTENDED; |
| 2854 | | WM16(EAD,&pD); |
| 2855 | | } |
| 2856 | | |
| 2857 | | /* $fE LDU (LDS) extended -**0- */ |
| 2858 | | OP_HANDLER( ldu_ex ) |
| 2859 | | { |
| 2860 | | EXTWORD(pU); |
| 2861 | | CLR_NZV; |
| 2862 | | SET_NZ16(U); |
| 2863 | | } |
| 2864 | | |
| 2865 | | /* $10fE LDS extended -**0- */ |
| 2866 | | OP_HANDLER( lds_ex ) |
| 2867 | | { |
| 2868 | | EXTWORD(pS); |
| 2869 | | CLR_NZV; |
| 2870 | | SET_NZ16(S); |
| 2871 | | m_int_state |= M6809_LDS; |
| 2872 | | } |
| 2873 | | |
| 2874 | | /* $fF STU (STS) extended -**0- */ |
| 2875 | | OP_HANDLER( stu_ex ) |
| 2876 | | { |
| 2877 | | CLR_NZV; |
| 2878 | | SET_NZ16(U); |
| 2879 | | EXTENDED; |
| 2880 | | WM16(EAD,&pU); |
| 2881 | | } |
| 2882 | | |
| 2883 | | /* $10fF STS extended -**0- */ |
| 2884 | | OP_HANDLER( sts_ex ) |
| 2885 | | { |
| 2886 | | CLR_NZV; |
| 2887 | | SET_NZ16(S); |
| 2888 | | EXTENDED; |
| 2889 | | WM16(EAD,&pS); |
| 2890 | | } |
| 2891 | | |
| 2892 | | /* $10xx opcodes */ |
| 2893 | | OP_HANDLER( pref10 ) |
| 2894 | | { |
| 2895 | | UINT8 ireg2 = m_encrypt_only_first_byte ? ROP_ARG(PCD) : ROP(PCD); |
| 2896 | | PC++; |
| 2897 | | switch( ireg2 ) |
| 2898 | | { |
| 2899 | | case 0x21: lbrn(); m_icount-=5; break; |
| 2900 | | case 0x22: lbhi(); m_icount-=5; break; |
| 2901 | | case 0x23: lbls(); m_icount-=5; break; |
| 2902 | | case 0x24: lbcc(); m_icount-=5; break; |
| 2903 | | case 0x25: lbcs(); m_icount-=5; break; |
| 2904 | | case 0x26: lbne(); m_icount-=5; break; |
| 2905 | | case 0x27: lbeq(); m_icount-=5; break; |
| 2906 | | case 0x28: lbvc(); m_icount-=5; break; |
| 2907 | | case 0x29: lbvs(); m_icount-=5; break; |
| 2908 | | case 0x2a: lbpl(); m_icount-=5; break; |
| 2909 | | case 0x2b: lbmi(); m_icount-=5; break; |
| 2910 | | case 0x2c: lbge(); m_icount-=5; break; |
| 2911 | | case 0x2d: lblt(); m_icount-=5; break; |
| 2912 | | case 0x2e: lbgt(); m_icount-=5; break; |
| 2913 | | case 0x2f: lble(); m_icount-=5; break; |
| 2914 | | |
| 2915 | | case 0x3f: swi2(); m_icount-=20; break; |
| 2916 | | |
| 2917 | | case 0x83: cmpd_im(); m_icount-=5; break; |
| 2918 | | case 0x8c: cmpy_im(); m_icount-=5; break; |
| 2919 | | case 0x8e: ldy_im(); m_icount-=4; break; |
| 2920 | | case 0x8f: sty_im(); m_icount-=4; break; |
| 2921 | | |
| 2922 | | case 0x93: cmpd_di(); m_icount-=7; break; |
| 2923 | | case 0x9c: cmpy_di(); m_icount-=7; break; |
| 2924 | | case 0x9e: ldy_di(); m_icount-=6; break; |
| 2925 | | case 0x9f: sty_di(); m_icount-=6; break; |
| 2926 | | |
| 2927 | | case 0xa3: cmpd_ix(); m_icount-=7; break; |
| 2928 | | case 0xac: cmpy_ix(); m_icount-=7; break; |
| 2929 | | case 0xae: ldy_ix(); m_icount-=6; break; |
| 2930 | | case 0xaf: sty_ix(); m_icount-=6; break; |
| 2931 | | |
| 2932 | | case 0xb3: cmpd_ex(); m_icount-=8; break; |
| 2933 | | case 0xbc: cmpy_ex(); m_icount-=8; break; |
| 2934 | | case 0xbe: ldy_ex(); m_icount-=7; break; |
| 2935 | | case 0xbf: sty_ex(); m_icount-=7; break; |
| 2936 | | |
| 2937 | | case 0xce: lds_im(); m_icount-=4; break; |
| 2938 | | case 0xcf: sts_im(); m_icount-=4; break; |
| 2939 | | |
| 2940 | | case 0xde: lds_di(); m_icount-=6; break; |
| 2941 | | case 0xdf: sts_di(); m_icount-=6; break; |
| 2942 | | |
| 2943 | | case 0xee: lds_ix(); m_icount-=6; break; |
| 2944 | | case 0xef: sts_ix(); m_icount-=6; break; |
| 2945 | | |
| 2946 | | case 0xfe: lds_ex(); m_icount-=7; break; |
| 2947 | | case 0xff: sts_ex(); m_icount-=7; break; |
| 2948 | | |
| 2949 | | default: IIError(); break; |
| 2950 | | } |
| 2951 | | } |
| 2952 | | |
| 2953 | | /* $11xx opcodes */ |
| 2954 | | OP_HANDLER( pref11 ) |
| 2955 | | { |
| 2956 | | UINT8 ireg2 = m_encrypt_only_first_byte ? ROP_ARG(PCD) : ROP(PCD); |
| 2957 | | PC++; |
| 2958 | | switch( ireg2 ) |
| 2959 | | { |
| 2960 | | case 0x3f: swi3(); m_icount-=20; break; |
| 2961 | | |
| 2962 | | case 0x83: cmpu_im(); m_icount-=5; break; |
| 2963 | | case 0x8c: cmps_im(); m_icount-=5; break; |
| 2964 | | |
| 2965 | | case 0x93: cmpu_di(); m_icount-=7; break; |
| 2966 | | case 0x9c: cmps_di(); m_icount-=7; break; |
| 2967 | | |
| 2968 | | case 0xa3: cmpu_ix(); m_icount-=7; break; |
| 2969 | | case 0xac: cmps_ix(); m_icount-=7; break; |
| 2970 | | |
| 2971 | | case 0xb3: cmpu_ex(); m_icount-=8; break; |
| 2972 | | case 0xbc: cmps_ex(); m_icount-=8; break; |
| 2973 | | |
| 2974 | | default: IIError(); break; |
| 2975 | | } |
| 2976 | | } |
trunk/src/emu/cpu/m6809/6809tbl.c
| r21564 | r21565 | |
| 1 | | const UINT8 m6809_base_device::m_flags8i[256] = /* increment */ |
| 2 | | { |
| 3 | | CC_Z, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 4 | | 0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 5 | | 0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 6 | | 0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 7 | | 0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 8 | | 0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 9 | | 0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 10 | | 0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 11 | | CC_N|CC_V,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 12 | | CC_N, CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 13 | | CC_N, CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 14 | | CC_N, CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 15 | | CC_N, CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 16 | | CC_N, CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 17 | | CC_N, CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 18 | | CC_N, CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N |
| 19 | | }; |
| 20 | | |
| 21 | | const UINT8 m6809_base_device::m_flags8d[256] = /* decrement */ |
| 22 | | { |
| 23 | | CC_Z,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 24 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 25 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 26 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 27 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 28 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 29 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |
| 30 | | 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,CC_V, |
| 31 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 32 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 33 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 34 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 35 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 36 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 37 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, |
| 38 | | CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N |
| 39 | | }; |
| 40 | | |
| 41 | | /* FIXME: Cycles differ slighly from hd6309 emulation */ |
| 42 | | const UINT8 m6809_base_device::m_index_cycle_em[256] = { /* Index Loopup cycle counts */ |
| 43 | | /* 0xX0, 0xX1, 0xX2, 0xX3, 0xX4, 0xX5, 0xX6, 0xX7, 0xX8, 0xX9, 0xXA, 0xXB, 0xXC, 0xXD, 0xXE, 0xXF */ |
| 44 | | |
| 45 | | /* 0x0X */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 46 | | /* 0x1X */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 47 | | /* 0x2X */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 48 | | /* 0x3X */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 49 | | /* 0x4X */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 50 | | /* 0x5X */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 51 | | /* 0x6X */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 52 | | /* 0x7X */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
| 53 | | /* 0x8X */ 2, 3, 2, 3, 0, 1, 1, 0, 1, 4, 0, 4, 1, 5, 0, 5, |
| 54 | | /* 0x9X */ 5, 6, 5, 6, 3, 4, 4, 0, 4, 7, 0, 7, 4, 8, 0, 8, |
| 55 | | /* 0xAX */ 2, 3, 2, 3, 0, 1, 1, 0, 1, 4, 0, 4, 1, 5, 0, 5, |
| 56 | | /* 0xBX */ 5, 6, 5, 6, 3, 4, 4, 0, 4, 7, 0, 7, 4, 8, 0, 8, |
| 57 | | /* 0xCX */ 2, 3, 2, 3, 0, 1, 1, 0, 1, 4, 0, 4, 1, 5, 0, 3, |
| 58 | | /* 0xDX */ 5, 6, 5, 6, 3, 4, 4, 0, 4, 7, 0, 7, 4, 8, 0, 8, |
| 59 | | /* 0xEX */ 2, 3, 2, 3, 0, 1, 1, 0, 1, 4, 0, 4, 1, 5, 0, 5, |
| 60 | | /* 0xFX */ 4, 6, 5, 6, 3, 4, 4, 0, 4, 7, 0, 7, 4, 8, 0, 8 |
| 61 | | }; |
| 62 | | |
| 63 | | /* timings for 1-byte opcodes */ |
| 64 | | const UINT8 m6809_base_device::m_cycles1[256] = |
| 65 | | { |
| 66 | | /* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ |
| 67 | | /*0*/ 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 6, |
| 68 | | /*1*/ 0, 0, 2, 4, 2, 2, 5, 9, 2, 2, 3, 2, 3, 2, 8, 6, |
| 69 | | /*2*/ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
| 70 | | /*3*/ 4, 4, 4, 4, 5, 5, 5, 5, 2, 5, 3, 6,20,11, 2,19, |
| 71 | | /*4*/ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 72 | | /*5*/ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 73 | | /*6*/ 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 6, |
| 74 | | /*7*/ 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 7, |
| 75 | | /*8*/ 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 2, 4, 7, 3, 2, |
| 76 | | /*9*/ 4, 4, 4, 6, 4, 4, 4, 4, 4, 4, 4, 4, 6, 7, 5, 5, |
| 77 | | /*A*/ 4, 4, 4, 6, 4, 4, 4, 4, 4, 4, 4, 4, 6, 7, 5, 5, |
| 78 | | /*B*/ 5, 5, 5, 7, 5, 5, 5, 5, 5, 5, 5, 5, 7, 8, 6, 6, |
| 79 | | /*C*/ 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 3, 3, |
| 80 | | /*D*/ 4, 4, 4, 6, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, |
| 81 | | /*E*/ 4, 4, 4, 6, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, |
| 82 | | /*F*/ 5, 5, 5, 7, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6 |
| 83 | | }; |
trunk/src/emu/cpu/m6809/m6809.h
| r21564 | r21565 | |
| 1 | | /*** m6809: Portable 6809 emulator ******************************************/ |
| 1 | /********************************************************************* |
| 2 | 2 | |
| 3 | m6809.h |
| 4 | |
| 5 | Portable Motorola 6809 emulator |
| 6 | |
| 7 | **********************************************************************/ |
| 8 | |
| 3 | 9 | #pragma once |
| 4 | 10 | |
| 5 | 11 | #ifndef __M6809_H__ |
| 6 | 12 | #define __M6809_H__ |
| 7 | 13 | |
| 14 | |
| 8 | 15 | //************************************************************************** |
| 9 | 16 | // INTERFACE CONFIGURATION MACROS |
| 10 | 17 | //************************************************************************** |
| 11 | 18 | |
| 12 | 19 | #define MCFG_CPU_M6809_CONFIG(_config) \ |
| 13 | 20 | m6809_base_device::static_set_config(*device, _config); |
| 21 | |
| 22 | |
| 14 | 23 | //************************************************************************** |
| 15 | 24 | // TYPE DEFINITIONS |
| 16 | 25 | //************************************************************************** |
| r21564 | r21565 | |
| 37 | 46 | { |
| 38 | 47 | public: |
| 39 | 48 | // construction/destruction |
| 40 | | m6809_base_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock, const device_type type, int divider); |
| 49 | m6809_base_device(const machine_config &mconfig, const char *name, const char *tag, device_t *owner, UINT32 clock, const device_type type, int divider); |
| 41 | 50 | |
| 42 | 51 | // inline configuration helpers |
| 43 | 52 | static void static_set_config(device_t &device, const m6809_config &config); |
| r21564 | r21565 | |
| 46 | 55 | // device-level overrides |
| 47 | 56 | virtual void device_start(); |
| 48 | 57 | virtual void device_reset(); |
| 58 | virtual void device_pre_save(); |
| 59 | virtual void device_post_load(); |
| 49 | 60 | |
| 50 | 61 | // device_execute_interface overrides |
| 51 | 62 | virtual UINT32 execute_min_cycles() const; |
| r21564 | r21565 | |
| 66 | 77 | |
| 67 | 78 | // device_state_interface overrides |
| 68 | 79 | virtual void state_string_export(const device_state_entry &entry, astring &string); |
| 80 | |
| 81 | // addressing modes |
| 82 | static const int ADDRESSING_MODE_IMMEDIATE = 0; |
| 83 | static const int ADDRESSING_MODE_EA = 1; |
| 84 | static const int ADDRESSING_MODE_REGISTER_A = 2; |
| 85 | static const int ADDRESSING_MODE_REGISTER_B = 3; |
| 86 | static const int ADDRESSING_MODE_REGISTER_D = 4; |
| 69 | 87 | |
| 70 | | private: |
| 71 | | UINT32 RM16(UINT32 addr); |
| 72 | | void WM16(UINT32 addr, PAIR *p); |
| 88 | // register transfer |
| 89 | struct exgtfr_register |
| 90 | { |
| 91 | UINT8 byte_value; |
| 92 | UINT16 word_value; |
| 93 | }; |
| 73 | 94 | |
| 74 | | void IIError(); |
| 75 | | void fetch_effective_address(); |
| 95 | // flag bits in the cc register |
| 96 | static const UINT8 CC_C = 0x01; // Carry |
| 97 | static const UINT8 CC_V = 0x02; // Overflow |
| 98 | static const UINT8 CC_Z = 0x04; // Zero |
| 99 | static const UINT8 CC_N = 0x08; // Negative |
| 100 | static const UINT8 CC_I = 0x10; // Inhibit IRQ |
| 101 | static const UINT8 CC_H = 0x20; // Half (auxiliary) carry |
| 102 | static const UINT8 CC_F = 0x40; // Inhibit FIRQ |
| 103 | static const UINT8 CC_E = 0x80; // Entire state pushed |
| 76 | 104 | |
| 77 | | void check_irq_lines(); |
| 78 | | void set_irq_line(int irqline, int state); |
| 79 | | void update_state(); |
| 105 | // flag combinations |
| 106 | static const UINT8 CC_VC = CC_V | CC_C; |
| 107 | static const UINT8 CC_ZC = CC_Z | CC_C; |
| 108 | static const UINT8 CC_NZ = CC_N | CC_Z; |
| 109 | static const UINT8 CC_NZC = CC_N | CC_Z | CC_C; |
| 110 | static const UINT8 CC_NZV = CC_N | CC_Z | CC_V; |
| 111 | static const UINT8 CC_NZVC = CC_N | CC_Z | CC_V | CC_C; |
| 112 | static const UINT8 CC_HNZVC = CC_H | CC_N | CC_Z | CC_V | CC_C; |
| 80 | 113 | |
| 81 | | offs_t disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, int options); |
| 114 | // interrupt vectors |
| 115 | static const UINT16 VECTOR_SWI3 = 0xFFF2; |
| 116 | static const UINT16 VECTOR_SWI2 = 0xFFF4; |
| 117 | static const UINT16 VECTOR_FIRQ = 0xFFF6; |
| 118 | static const UINT16 VECTOR_IRQ = 0xFFF8; |
| 119 | static const UINT16 VECTOR_SWI = 0xFFFA; |
| 120 | static const UINT16 VECTOR_NMI = 0xFFFC; |
| 121 | static const UINT16 VECTOR_RESET_FFFE = 0xFFFE; |
| 82 | 122 | |
| 83 | | #include "6809tbl.h" |
| 123 | // CPU registers |
| 124 | PAIR16 m_pc; // program counter |
| 125 | PAIR16 m_ppc; // previous program counter |
| 126 | PAIR16 m_d; // accumulator a and b |
| 127 | PAIR16 m_x, m_y; // index registers |
| 128 | PAIR16 m_u, m_s; // stack pointers |
| 129 | UINT8 m_dp; // direct page register |
| 130 | UINT8 m_cc; |
| 131 | PAIR16 m_temp; |
| 132 | UINT8 m_opcode; |
| 84 | 133 | |
| 85 | | // opcode/condition tables |
| 86 | | static const UINT8 m_flags8i[256]; |
| 87 | | static const UINT8 m_flags8d[256]; |
| 88 | | static const UINT8 m_index_cycle_em[256]; |
| 89 | | static const UINT8 m_cycles1[256]; |
| 134 | // other internal state |
| 135 | bool m_nmi_line; |
| 136 | bool m_nmi_asserted; |
| 137 | bool m_firq_line; |
| 138 | bool m_irq_line; |
| 139 | bool m_lds_encountered; |
| 140 | int m_icount; |
| 141 | int m_addressing_mode; |
| 142 | PAIR16 m_ea; // effective address |
| 90 | 143 | |
| 91 | | typedef void (m6809_base_device::*ophandler)(); |
| 144 | // eat cycles |
| 145 | ATTR_FORCE_INLINE void eat(int cycles) { m_icount -= cycles; } |
| 146 | void eat_remaining(); |
| 92 | 147 | |
| 93 | | ophandler m_opcode[256]; |
| 148 | // read a byte from given memory location |
| 149 | ATTR_FORCE_INLINE UINT8 read_memory(UINT16 address) { eat(1); return m_program->read_byte(address); } |
| 94 | 150 | |
| 95 | | static const ophandler s_opcodetable[256]; |
| 151 | // write a byte to given memory location |
| 152 | ATTR_FORCE_INLINE void write_memory(UINT16 address, UINT8 data) { eat(1); m_program->write_byte(address, data); } |
| 96 | 153 | |
| 97 | | protected: |
| 98 | | const char *m_tag; |
| 154 | // read_opcode() is like read_memory() except it is used for reading opcodes. In the case of a system |
| 155 | // with memory mapped I/O, this function can be used to greatly speed up emulation. |
| 156 | ATTR_FORCE_INLINE UINT8 read_opcode(UINT16 address) { eat(1); return m_direct->read_decrypted_byte(address); } |
| 99 | 157 | |
| 100 | | // address spaces |
| 101 | | const address_space_config m_program_config; |
| 158 | // read_opcode_arg() is identical to read_opcode() except it is used for reading opcode arguments. This |
| 159 | // difference can be used to support systems that use different encoding mechanisms for opcodes |
| 160 | // and opcode arguments. |
| 161 | ATTR_FORCE_INLINE UINT8 read_opcode_arg(UINT16 address) { eat(1); return m_direct->read_raw_byte(address); } |
| 102 | 162 | |
| 103 | | // CPU registers |
| 104 | | PAIR m_pc; /* Program counter */ |
| 105 | | PAIR m_ppc; /* Previous program counter */ |
| 106 | | PAIR m_d; /* Accumulator a and b */ |
| 107 | | PAIR m_dp; /* Direct Page register (page in MSB) */ |
| 108 | | PAIR m_u, m_s; /* Stack pointers */ |
| 109 | | PAIR m_x, m_y; /* Index registers */ |
| 110 | | UINT8 m_cc; |
| 111 | | UINT8 m_ireg; /* First opcode */ |
| 112 | | UINT8 m_irq_state[2]; |
| 163 | // read_opcode() and bump the program counter |
| 164 | ATTR_FORCE_INLINE UINT8 read_opcode() { return read_opcode(m_pc.w++); } |
| 165 | ATTR_FORCE_INLINE UINT8 read_opcode_arg() { return read_opcode_arg(m_pc.w++); } |
| 113 | 166 | |
| 114 | | int m_extra_cycles; /* cycles used up by interrupts */ |
| 167 | // state stack - implemented as a UINT32 |
| 168 | void push_state(UINT8 state) { m_state = (m_state << 8) | state; } |
| 169 | UINT8 pop_state() { UINT8 result = (UINT8) m_state; m_state >>= 8; return result; } |
| 170 | void reset_state() { m_state = 0; } |
| 115 | 171 | |
| 116 | | PAIR m_ea; /* effective address */ |
| 172 | // effective address reading/writing |
| 173 | UINT8 read_ea() { return read_memory(m_ea.w); } |
| 174 | void write_ea(UINT8 data) { write_memory(m_ea.w, data); } |
| 175 | void set_ea(UINT16 ea) { m_ea.w = ea; m_addressing_mode = ADDRESSING_MODE_EA; } |
| 176 | void set_ea_h(UINT8 ea_h) { m_ea.b.h = ea_h; } |
| 177 | void set_ea_l(UINT8 ea_l) { m_ea.b.l = ea_l; m_addressing_mode = ADDRESSING_MODE_EA; } |
| 117 | 178 | |
| 118 | | // other internal states |
| 119 | | int m_icount; |
| 120 | | UINT8 m_int_state; /* SYNC and CWAI flags */ |
| 121 | | UINT8 m_nmi_state; |
| 122 | | int m_clock_divider; |
| 179 | // operand reading/writing |
| 180 | UINT8 read_operand(); |
| 181 | UINT8 read_operand(int ordinal); |
| 182 | void write_operand(UINT8 data); |
| 183 | void write_operand(int ordinal, UINT8 data); |
| 123 | 184 | |
| 185 | // delay loops |
| 186 | void burn_any_delay_loops(); |
| 187 | |
| 188 | // instructions |
| 189 | void daa(); |
| 190 | void mul(); |
| 191 | |
| 192 | // miscellaneous |
| 193 | void nop() { } |
| 194 | template<class T> T rotate_right(T value); |
| 195 | template<class T> UINT32 rotate_left(T value); |
| 196 | void set_a() { m_addressing_mode = ADDRESSING_MODE_REGISTER_A; } |
| 197 | void set_b() { m_addressing_mode = ADDRESSING_MODE_REGISTER_B; } |
| 198 | void set_d() { m_addressing_mode = ADDRESSING_MODE_REGISTER_D; } |
| 199 | void set_imm() { m_addressing_mode = ADDRESSING_MODE_IMMEDIATE; } |
| 200 | void set_regop8(UINT8 ®) { m_reg8 = ® m_reg16 = NULL; } |
| 201 | void set_regop16(PAIR16 ®) { m_reg16 = ® m_reg8 = NULL; } |
| 202 | UINT8 ®op8() { assert(m_reg8 != NULL); return *m_reg8; } |
| 203 | PAIR16 ®op16() { assert(m_reg16 != NULL); return *m_reg16; } |
| 204 | bool is_register_register_op_16_bit() { return m_reg16 != NULL; } |
| 205 | bool add8_sets_h() { return false; } |
| 206 | bool hd6309_native_mode() { return false; } |
| 207 | |
| 208 | // index reg |
| 209 | UINT16 &ireg(); |
| 210 | |
| 211 | // flags |
| 212 | template<class T> T set_flags(UINT8 mask, T a, T b, UINT32 r); |
| 213 | template<class T> T set_flags(UINT8 mask, T r); |
| 214 | |
| 215 | // branch conditions |
| 216 | ATTR_FORCE_INLINE bool cond_hi() { return !(m_cc & CC_ZC); } // BHI/BLS |
| 217 | ATTR_FORCE_INLINE bool cond_cc() { return !(m_cc & CC_C); } // BCC/BCS |
| 218 | ATTR_FORCE_INLINE bool cond_ne() { return !(m_cc & CC_Z); } // BNE/BEQ |
| 219 | ATTR_FORCE_INLINE bool cond_vc() { return !(m_cc & CC_V); } // BVC/BVS |
| 220 | ATTR_FORCE_INLINE bool cond_pl() { return !(m_cc & CC_N); } // BPL/BMI |
| 221 | ATTR_FORCE_INLINE bool cond_ge() { return (m_cc & CC_N ? true : false) == (m_cc & CC_V ? true : false); } // BGE/BLT |
| 222 | ATTR_FORCE_INLINE bool cond_gt() { return cond_ge() && !(m_cc & CC_Z); } // BGT/BLE |
| 223 | ATTR_FORCE_INLINE void set_cond(bool cond) { m_cond = cond; } |
| 224 | ATTR_FORCE_INLINE bool branch_taken() { return m_cond; } |
| 225 | |
| 226 | // interrupt registers |
| 227 | bool firq_saves_entire_state() { return false; } |
| 228 | UINT16 partial_state_registers() { return 0x81; } |
| 229 | UINT16 entire_state_registers() { return 0xFF; } |
| 230 | |
| 231 | // miscellaneous |
| 232 | exgtfr_register read_exgtfr_register(UINT8 reg); |
| 233 | void write_exgtfr_register(UINT8 reg, exgtfr_register value); |
| 234 | bool is_register_addressing_mode(); |
| 235 | bool is_ea_addressing_mode() { return m_addressing_mode == ADDRESSING_MODE_EA; } |
| 236 | UINT16 get_pending_interrupt(); |
| 237 | UINT16 check_pending_interrupt(); |
| 238 | void log_illegal(); |
| 239 | |
| 240 | private: |
| 124 | 241 | // address spaces |
| 125 | | address_space *m_program; |
| 126 | | direct_read_data *m_direct; |
| 242 | const address_space_config m_program_config; |
| 243 | address_space * m_program; |
| 244 | direct_read_data * m_direct; |
| 245 | |
| 246 | // other state |
| 247 | UINT32 m_state; |
| 248 | int m_reg; |
| 249 | UINT8 * m_reg8; |
| 250 | PAIR16 * m_reg16; |
| 251 | bool m_cond; |
| 252 | |
| 253 | // incidentals |
| 254 | int m_clock_divider; |
| 255 | |
| 256 | // functions |
| 257 | void execute_one(); |
| 258 | const char *inputnum_string(int inputnum); |
| 127 | 259 | }; |
| 128 | 260 | |
| 129 | 261 | // ======================> m6809_device |
| r21564 | r21565 | |
| 132 | 264 | { |
| 133 | 265 | public: |
| 134 | 266 | // construction/destruction |
| 135 | | m6809_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) |
| 136 | | : m6809_base_device(mconfig, tag, owner, clock, M6809, 1) { } |
| 267 | m6809_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); |
| 137 | 268 | }; |
| 138 | 269 | |
| 139 | 270 | // ======================> m6809e_device |
| r21564 | r21565 | |
| 142 | 273 | { |
| 143 | 274 | public: |
| 144 | 275 | // construction/destruction |
| 145 | | m6809e_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) |
| 146 | | : m6809_base_device(mconfig, tag, owner, clock, M6809E, 4) { } |
| 276 | m6809e_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); |
| 147 | 277 | }; |
| 148 | 278 | |
| 149 | 279 | enum |
| 150 | 280 | { |
| 151 | | M6809_PC=1, M6809_S, M6809_CC ,M6809_A, M6809_B, M6809_U, M6809_X, M6809_Y, |
| 281 | M6809_PC=1, M6809_S, M6809_CC ,M6809_A, M6809_B, M6809_D, M6809_U, M6809_X, M6809_Y, |
| 152 | 282 | M6809_DP |
| 153 | 283 | }; |
| 154 | 284 | |
| r21564 | r21565 | |
| 157 | 287 | |
| 158 | 288 | /* M6809e has LIC line to indicate opcode/data fetch */ |
| 159 | 289 | |
| 160 | | |
| 161 | | CPU_DISASSEMBLE( m6809 ); |
| 162 | | |
| 163 | 290 | #endif /* __M6809_H__ */ |
trunk/src/emu/cpu/m6809/hd6309.ops
| r0 | r21565 | |
| 1 | MAIN: |
| 2 | // check interrupt lines |
| 3 | switch(check_pending_interrupt()) |
| 4 | { |
| 5 | case VECTOR_NMI: goto NMI; |
| 6 | case VECTOR_FIRQ: goto FIRQ; |
| 7 | case VECTOR_IRQ: goto IRQ; |
| 8 | } |
| 9 | |
| 10 | // debugger hook |
| 11 | m_ppc = m_pc; |
| 12 | debugger_instruction_hook(this, m_pc.w); |
| 13 | |
| 14 | // opcode fetch |
| 15 | @m_opcode = read_opcode(); |
| 16 | |
| 17 | // burn delay loops |
| 18 | burn_any_delay_loops(); |
| 19 | |
| 20 | // dispatch opcode |
| 21 | switch(m_opcode) |
| 22 | { |
| 23 | case 0x00: %DIRECT; %NEG8; return; |
| 24 | case 0x01: %IMM_IM; %DIRECT; %OIM; return; |
| 25 | case 0x02: %IMM_IM; %DIRECT; %AIM; return; |
| 26 | case 0x03: %DIRECT; %COM8; return; |
| 27 | case 0x04: %DIRECT; %LSR8; return; |
| 28 | case 0x05: %IMM_IM; %DIRECT; %EIM; return; |
| 29 | case 0x06: %DIRECT; %ROR8; return; |
| 30 | case 0x07: %DIRECT; %ASR8; return; |
| 31 | case 0x08: %DIRECT; %ASL8; return; |
| 32 | case 0x09: %DIRECT; %ROL8; return; |
| 33 | case 0x0A: %DIRECT; %DEC8; return; |
| 34 | case 0x0B: %IMM_IM; %DIRECT; %TIM; return; |
| 35 | case 0x0C: %DIRECT; %INC8; return; |
| 36 | case 0x0D: %DIRECT; %TST8; return; |
| 37 | case 0x0E: %DIRECT; %JMP; return; |
| 38 | case 0x0F: %DIRECT; %CLR8; return; |
| 39 | |
| 40 | case 0x10: %DISPATCH10; return; |
| 41 | case 0x11: %DISPATCH11; return; |
| 42 | case 0x12: %NOP; return; |
| 43 | case 0x13: %SYNC; return; |
| 44 | case 0x14: %SEXW; return; |
| 45 | case 0x16: set_cond(true); %LBRANCH; return; |
| 46 | case 0x17: %LBSR; return; |
| 47 | case 0x19: %DAA; return; |
| 48 | case 0x1A: set_imm(); %ORCC; return; |
| 49 | case 0x1C: set_imm(); %ANDCC; return; |
| 50 | case 0x1D: %SEX; return; |
| 51 | case 0x1E: %EXG; return; |
| 52 | case 0x1F: %TFR; return; |
| 53 | |
| 54 | case 0x20: set_cond(true); %BRANCH; return; |
| 55 | case 0x21: set_cond(false); %BRANCH; return; |
| 56 | case 0x22: set_cond(cond_hi()); %BRANCH; return; |
| 57 | case 0x23: set_cond(!cond_hi()); %BRANCH; return; |
| 58 | case 0x24: set_cond(cond_cc()); %BRANCH; return; |
| 59 | case 0x25: set_cond(!cond_cc()); %BRANCH; return; |
| 60 | case 0x26: set_cond(cond_ne()); %BRANCH; return; |
| 61 | case 0x27: set_cond(!cond_ne()); %BRANCH; return; |
| 62 | case 0x28: set_cond(cond_vc()); %BRANCH; return; |
| 63 | case 0x29: set_cond(!cond_vc()); %BRANCH; return; |
| 64 | case 0x2A: set_cond(cond_pl()); %BRANCH; return; |
| 65 | case 0x2B: set_cond(!cond_pl()); %BRANCH; return; |
| 66 | case 0x2C: set_cond(cond_ge()); %BRANCH; return; |
| 67 | case 0x2D: set_cond(!cond_ge()); %BRANCH; return; |
| 68 | case 0x2E: set_cond(cond_gt()); %BRANCH; return; |
| 69 | case 0x2F: set_cond(!cond_gt()); %BRANCH; return; |
| 70 | |
| 71 | case 0x30: set_regop16(m_x); %INDEXED; %LEA_xy; return; |
| 72 | case 0x31: set_regop16(m_y); %INDEXED; %LEA_xy; return; |
| 73 | case 0x32: set_regop16(m_s); %INDEXED; %LEA_us; return; |
| 74 | case 0x33: set_regop16(m_u); %INDEXED; %LEA_us; return; |
| 75 | case 0x34: %PSHS; return; |
| 76 | case 0x35: %PULS; return; |
| 77 | case 0x36: %PSHU; return; |
| 78 | case 0x37: %PULU; return; |
| 79 | case 0x39: %RTS; return; |
| 80 | case 0x3A: %ABX; return; |
| 81 | case 0x3B: %RTI; return; |
| 82 | case 0x3C: %CWAI; return; |
| 83 | case 0x3D: %MUL; return; |
| 84 | case 0x3F: %SWI; return; |
| 85 | |
| 86 | case 0x40: set_a(); %NEG8; return; |
| 87 | case 0x43: set_a(); %COM8; return; |
| 88 | case 0x44: set_a(); %LSR8; return; |
| 89 | case 0x46: set_a(); %ROR8; return; |
| 90 | case 0x47: set_a(); %ASR8; return; |
| 91 | case 0x48: set_a(); %ASL8; return; |
| 92 | case 0x49: set_a(); %ROL8; return; |
| 93 | case 0x4A: set_a(); %DEC8; return; |
| 94 | case 0x4C: set_a(); %INC8; return; |
| 95 | case 0x4D: set_a(); %TST8; return; |
| 96 | case 0x4F: set_a(); %CLR8; return; |
| 97 | |
| 98 | case 0x50: set_b(); %NEG8; return; |
| 99 | case 0x53: set_b(); %COM8; return; |
| 100 | case 0x54: set_b(); %LSR8; return; |
| 101 | case 0x56: set_b(); %ROR8; return; |
| 102 | case 0x57: set_b(); %ASR8; return; |
| 103 | case 0x58: set_b(); %ASL8; return; |
| 104 | case 0x59: set_b(); %ROL8; return; |
| 105 | case 0x5A: set_b(); %DEC8; return; |
| 106 | case 0x5C: set_b(); %INC8; return; |
| 107 | case 0x5D: set_b(); %TST8; return; |
| 108 | case 0x5F: set_b(); %CLR8; return; |
| 109 | |
| 110 | case 0x60: %INDEXED; %NEG8; return; |
| 111 | case 0x61: %IMM_IM; %INDEXED; %OIM; return; |
| 112 | case 0x62: %IMM_IM; %INDEXED; %AIM; return; |
| 113 | case 0x63: %INDEXED; %COM8; return; |
| 114 | case 0x64: %INDEXED; %LSR8; return; |
| 115 | case 0x65: %IMM_IM; %INDEXED; %EIM; return; |
| 116 | case 0x66: %INDEXED; %ROR8; return; |
| 117 | case 0x67: %INDEXED; %ASR8; return; |
| 118 | case 0x68: %INDEXED; %ASL8; return; |
| 119 | case 0x69: %INDEXED; %ROL8; return; |
| 120 | case 0x6A: %INDEXED; %DEC8; return; |
| 121 | case 0x6B: %IMM_IM; %INDEXED; %TIM; return; |
| 122 | case 0x6C: %INDEXED; %INC8; return; |
| 123 | case 0x6D: %INDEXED; %TST8; return; |
| 124 | case 0x6E: %INDEXED; %JMP; return; |
| 125 | case 0x6F: %INDEXED; %CLR8; return; |
| 126 | |
| 127 | case 0x70: %EXTENDED; %NEG8; return; |
| 128 | case 0x71: %IMM_IM; %EXTENDED; %OIM; return; |
| 129 | case 0x72: %IMM_IM; %EXTENDED; %AIM; return; |
| 130 | case 0x73: %EXTENDED; %COM8; return; |
| 131 | case 0x74: %EXTENDED; %LSR8; return; |
| 132 | case 0x75: %IMM_IM; %EXTENDED; %EIM; return; |
| 133 | case 0x76: %EXTENDED; %ROR8; return; |
| 134 | case 0x77: %EXTENDED; %ASR8; return; |
| 135 | case 0x78: %EXTENDED; %ASL8; return; |
| 136 | case 0x79: %EXTENDED; %ROL8; return; |
| 137 | case 0x7A: %EXTENDED; %DEC8; return; |
| 138 | case 0x7B: %IMM_IM; %EXTENDED; %TIM; return; |
| 139 | case 0x7C: %EXTENDED; %INC8; return; |
| 140 | case 0x7D: %EXTENDED; %TST8; return; |
| 141 | case 0x7E: %EXTENDED; %JMP; return; |
| 142 | case 0x7F: %EXTENDED; %CLR8; return; |
| 143 | |
| 144 | case 0x80: set_regop8(m_d.b.h); set_imm(); %SUB8; return; |
| 145 | case 0x81: set_regop8(m_d.b.h); set_imm(); %CMP8; return; |
| 146 | case 0x82: set_regop8(m_d.b.h); set_imm(); %SBC8; return; |
| 147 | case 0x83: set_regop16(m_d); set_imm(); %SUB16; return; |
| 148 | case 0x84: set_regop8(m_d.b.h); set_imm(); %AND8; return; |
| 149 | case 0x85: set_regop8(m_d.b.h); set_imm(); %BIT8; return; |
| 150 | case 0x86: set_regop8(m_d.b.h); set_imm(); %LD8; return; |
| 151 | case 0x88: set_regop8(m_d.b.h); set_imm(); %EOR8; return; |
| 152 | case 0x89: set_regop8(m_d.b.h); set_imm(); %ADC8; return; |
| 153 | case 0x8A: set_regop8(m_d.b.h); set_imm(); %OR8; return; |
| 154 | case 0x8B: set_regop8(m_d.b.h); set_imm(); %ADD8; return; |
| 155 | case 0x8C: set_regop16(m_x); set_imm(); %CMP16; return; |
| 156 | case 0x8D: %BSR; return; |
| 157 | case 0x8E: set_regop16(m_x); set_imm(); %LD16; return; |
| 158 | |
| 159 | case 0x90: set_regop8(m_d.b.h); %DIRECT; %SUB8; return; |
| 160 | case 0x91: set_regop8(m_d.b.h); %DIRECT; %CMP8; return; |
| 161 | case 0x92: set_regop8(m_d.b.h); %DIRECT; %SBC8; return; |
| 162 | case 0x93: set_regop16(m_d); %DIRECT; %SUB16; return; |
| 163 | case 0x94: set_regop8(m_d.b.h); %DIRECT; %AND8; return; |
| 164 | case 0x95: set_regop8(m_d.b.h); %DIRECT; %BIT8; return; |
| 165 | case 0x96: set_regop8(m_d.b.h); %DIRECT; %LD8; return; |
| 166 | case 0x97: set_regop8(m_d.b.h); %DIRECT; %ST8; return; |
| 167 | case 0x98: set_regop8(m_d.b.h); %DIRECT; %EOR8; return; |
| 168 | case 0x99: set_regop8(m_d.b.h); %DIRECT; %ADC8; return; |
| 169 | case 0x9A: set_regop8(m_d.b.h); %DIRECT; %OR8; return; |
| 170 | case 0x9B: set_regop8(m_d.b.h); %DIRECT; %ADD8; return; |
| 171 | case 0x9C: set_regop16(m_x); %DIRECT; %CMP16; return; |
| 172 | case 0x9D: %DIRECT; %JSR; return; |
| 173 | case 0x9E: set_regop16(m_x); %DIRECT; %LD16; return; |
| 174 | case 0x9F: set_regop16(m_x); %DIRECT; %ST16; return; |
| 175 | |
| 176 | case 0xA0: set_regop8(m_d.b.h); %INDEXED; %SUB8; return; |
| 177 | case 0xA1: set_regop8(m_d.b.h); %INDEXED; %CMP8; return; |
| 178 | case 0xA2: set_regop8(m_d.b.h); %INDEXED; %SBC8; return; |
| 179 | case 0xA3: set_regop16(m_d); %INDEXED; %SUB16; return; |
| 180 | case 0xA4: set_regop8(m_d.b.h); %INDEXED; %AND8; return; |
| 181 | case 0xA5: set_regop8(m_d.b.h); %INDEXED; %BIT8; return; |
| 182 | case 0xA6: set_regop8(m_d.b.h); %INDEXED; %LD8; return; |
| 183 | case 0xA7: set_regop8(m_d.b.h); %INDEXED; %ST8; return; |
| 184 | case 0xA8: set_regop8(m_d.b.h); %INDEXED; %EOR8; return; |
| 185 | case 0xA9: set_regop8(m_d.b.h); %INDEXED; %ADC8; return; |
| 186 | case 0xAA: set_regop8(m_d.b.h); %INDEXED; %OR8; return; |
| 187 | case 0xAB: set_regop8(m_d.b.h); %INDEXED; %ADD8; return; |
| 188 | case 0xAC: set_regop16(m_x); %INDEXED; %CMP16; return; |
| 189 | case 0xAD: %INDEXED; %JSR_ind; return; |
| 190 | case 0xAE: set_regop16(m_x); %INDEXED; %LD16; return; |
| 191 | case 0xAF: set_regop16(m_x); %INDEXED; %ST16; return; |
| 192 | |
| 193 | case 0xB0: set_regop8(m_d.b.h); %EXTENDED; %SUB8; return; |
| 194 | case 0xB1: set_regop8(m_d.b.h); %EXTENDED; %CMP8; return; |
| 195 | case 0xB2: set_regop8(m_d.b.h); %EXTENDED; %SBC8; return; |
| 196 | case 0xB3: set_regop16(m_d); %EXTENDED; %SUB16; return; |
| 197 | case 0xB4: set_regop8(m_d.b.h); %EXTENDED; %AND8; return; |
| 198 | case 0xB5: set_regop8(m_d.b.h); %EXTENDED; %BIT8; return; |
| 199 | case 0xB6: set_regop8(m_d.b.h); %EXTENDED; %LD8; return; |
| 200 | case 0xB7: set_regop8(m_d.b.h); %EXTENDED; %ST8; return; |
| 201 | case 0xB8: set_regop8(m_d.b.h); %EXTENDED; %EOR8; return; |
| 202 | case 0xB9: set_regop8(m_d.b.h); %EXTENDED; %ADC8; return; |
| 203 | case 0xBA: set_regop8(m_d.b.h); %EXTENDED; %OR8; return; |
| 204 | case 0xBB: set_regop8(m_d.b.h); %EXTENDED; %ADD8; return; |
| 205 | case 0xBC: set_regop16(m_x); %EXTENDED; %CMP16; return; |
| 206 | case 0xBD: %EXTENDED; %JSR; return; |
| 207 | case 0xBE: set_regop16(m_x); %EXTENDED; %LD16; return; |
| 208 | case 0xBF: set_regop16(m_x); %EXTENDED; %ST16; return; |
| 209 | |
| 210 | case 0xC0: set_regop8(m_d.b.l); set_imm(); %SUB8; return; |
| 211 | case 0xC1: set_regop8(m_d.b.l); set_imm(); %CMP8; return; |
| 212 | case 0xC2: set_regop8(m_d.b.l); set_imm(); %SBC8; return; |
| 213 | case 0xC3: set_regop16(m_d); set_imm(); %ADD16; return; |
| 214 | case 0xC4: set_regop8(m_d.b.l); set_imm(); %AND8; return; |
| 215 | case 0xC5: set_regop8(m_d.b.l); set_imm(); %BIT8; return; |
| 216 | case 0xC6: set_regop8(m_d.b.l); set_imm(); %LD8; return; |
| 217 | case 0xC8: set_regop8(m_d.b.l); set_imm(); %EOR8; return; |
| 218 | case 0xC9: set_regop8(m_d.b.l); set_imm(); %ADC8; return; |
| 219 | case 0xCA: set_regop8(m_d.b.l); set_imm(); %OR8; return; |
| 220 | case 0xCB: set_regop8(m_d.b.l); set_imm(); %ADD8; return; |
| 221 | case 0xCC: set_regop16(m_d); set_imm(); %LD16; return; |
| 222 | case 0xCD: set_imm(); %LDQ; return; |
| 223 | case 0xCE: set_regop16(m_u); set_imm(); %LD16; return; |
| 224 | |
| 225 | case 0xD0: set_regop8(m_d.b.l); %DIRECT; %SUB8; return; |
| 226 | case 0xD1: set_regop8(m_d.b.l); %DIRECT; %CMP8; return; |
| 227 | case 0xD2: set_regop8(m_d.b.l); %DIRECT; %SBC8; return; |
| 228 | case 0xD3: set_regop16(m_d); %DIRECT; %ADD16; return; |
| 229 | case 0xD4: set_regop8(m_d.b.l); %DIRECT; %AND8; return; |
| 230 | case 0xD5: set_regop8(m_d.b.l); %DIRECT; %BIT8; return; |
| 231 | case 0xD6: set_regop8(m_d.b.l); %DIRECT; %LD8; return; |
| 232 | case 0xD7: set_regop8(m_d.b.l); %DIRECT; %ST8; return; |
| 233 | case 0xD8: set_regop8(m_d.b.l); %DIRECT; %EOR8; return; |
| 234 | case 0xD9: set_regop8(m_d.b.l); %DIRECT; %ADC8; return; |
| 235 | case 0xDA: set_regop8(m_d.b.l); %DIRECT; %OR8; return; |
| 236 | case 0xDB: set_regop8(m_d.b.l); %DIRECT; %ADD8; return; |
| 237 | case 0xDC: set_regop16(m_d); %DIRECT; %LD16; return; |
| 238 | case 0xDD: set_regop16(m_d); %DIRECT; %ST16; return; |
| 239 | case 0xDE: set_regop16(m_u); %DIRECT; %LD16; return; |
| 240 | case 0xDF: set_regop16(m_u); %DIRECT; %ST16; return; |
| 241 | |
| 242 | case 0xE0: set_regop8(m_d.b.l); %INDEXED; %SUB8; return; |
| 243 | case 0xE1: set_regop8(m_d.b.l); %INDEXED; %CMP8; return; |
| 244 | case 0xE2: set_regop8(m_d.b.l); %INDEXED; %SBC8; return; |
| 245 | case 0xE3: set_regop16(m_d); %INDEXED; %ADD16; return; |
| 246 | case 0xE4: set_regop8(m_d.b.l); %INDEXED; %AND8; return; |
| 247 | case 0xE5: set_regop8(m_d.b.l); %INDEXED; %BIT8; return; |
| 248 | case 0xE6: set_regop8(m_d.b.l); %INDEXED; %LD8; return; |
| 249 | case 0xE7: set_regop8(m_d.b.l); %INDEXED; %ST8; return; |
| 250 | case 0xE8: set_regop8(m_d.b.l); %INDEXED; %EOR8; return; |
| 251 | case 0xE9: set_regop8(m_d.b.l); %INDEXED; %ADC8; return; |
| 252 | case 0xEA: set_regop8(m_d.b.l); %INDEXED; %OR8; return; |
| 253 | case 0xEB: set_regop8(m_d.b.l); %INDEXED; %ADD8; return; |
| 254 | case 0xEC: set_regop16(m_d); %INDEXED; %LD16; return; |
| 255 | case 0xED: set_regop16(m_d); %INDEXED; %ST16; return; |
| 256 | case 0xEE: set_regop16(m_u); %INDEXED; %LD16; return; |
| 257 | case 0xEF: set_regop16(m_u); %INDEXED; %ST16; return; |
| 258 | |
| 259 | case 0xF0: set_regop8(m_d.b.l); %EXTENDED; %SUB8; return; |
| 260 | case 0xF1: set_regop8(m_d.b.l); %EXTENDED; %CMP8; return; |
| 261 | case 0xF2: set_regop8(m_d.b.l); %EXTENDED; %SBC8; return; |
| 262 | case 0xF3: set_regop16(m_d); %EXTENDED; %ADD16; return; |
| 263 | case 0xF4: set_regop8(m_d.b.l); %EXTENDED; %AND8; return; |
| 264 | case 0xF5: set_regop8(m_d.b.l); %EXTENDED; %BIT8; return; |
| 265 | case 0xF6: set_regop8(m_d.b.l); %EXTENDED; %LD8; return; |
| 266 | case 0xF7: set_regop8(m_d.b.l); %EXTENDED; %ST8; return; |
| 267 | case 0xF8: set_regop8(m_d.b.l); %EXTENDED; %EOR8; return; |
| 268 | case 0xF9: set_regop8(m_d.b.l); %EXTENDED; %ADC8; return; |
| 269 | case 0xFA: set_regop8(m_d.b.l); %EXTENDED; %OR8; return; |
| 270 | case 0xFB: set_regop8(m_d.b.l); %EXTENDED; %ADD8; return; |
| 271 | case 0xFC: set_regop16(m_d); %EXTENDED; %LD16; return; |
| 272 | case 0xFD: set_regop16(m_d); %EXTENDED; %ST16; return; |
| 273 | case 0xFE: set_regop16(m_u); %EXTENDED; %LD16; return; |
| 274 | case 0xFF: set_regop16(m_u); %EXTENDED; %ST16; return; |
| 275 | default: %ILLEGAL; return; |
| 276 | } |
| 277 | return; |
| 278 | |
| 279 | DISPATCH10: |
| 280 | @m_opcode = read_opcode(); |
| 281 | switch(m_opcode) |
| 282 | { |
| 283 | case 0x20: set_cond(true); %LBRANCH; return; |
| 284 | case 0x21: set_cond(false); %LBRANCH; return; |
| 285 | case 0x22: set_cond(cond_hi()); %LBRANCH; return; |
| 286 | case 0x23: set_cond(!cond_hi()); %LBRANCH; return; |
| 287 | case 0x24: set_cond(cond_cc()); %LBRANCH; return; |
| 288 | case 0x25: set_cond(!cond_cc()); %LBRANCH; return; |
| 289 | case 0x26: set_cond(cond_ne()); %LBRANCH; return; |
| 290 | case 0x27: set_cond(!cond_ne()); %LBRANCH; return; |
| 291 | case 0x28: set_cond(cond_vc()); %LBRANCH; return; |
| 292 | case 0x29: set_cond(!cond_vc()); %LBRANCH; return; |
| 293 | case 0x2A: set_cond(cond_pl()); %LBRANCH; return; |
| 294 | case 0x2B: set_cond(!cond_pl()); %LBRANCH; return; |
| 295 | case 0x2C: set_cond(cond_ge()); %LBRANCH; return; |
| 296 | case 0x2D: set_cond(!cond_ge()); %LBRANCH; return; |
| 297 | case 0x2E: set_cond(cond_gt()); %LBRANCH; return; |
| 298 | case 0x2F: set_cond(!cond_gt()); %LBRANCH; return; |
| 299 | |
| 300 | case 0x30: register_register_op(); %ADD*; return; |
| 301 | case 0x31: register_register_op(); %ADC*; return; |
| 302 | case 0x32: register_register_op(); %SUB*; return; |
| 303 | case 0x33: register_register_op(); %SBC*; return; |
| 304 | case 0x34: register_register_op(); %AND*; return; |
| 305 | case 0x35: register_register_op(); %OR*; return; |
| 306 | case 0x36: register_register_op(); %EOR*; return; |
| 307 | case 0x37: register_register_op(); %CMP*; return; |
| 308 | case 0x38: %PSHSW; return; |
| 309 | case 0x39: %PULSW; return; |
| 310 | case 0x3A: %PSHUW; return; |
| 311 | case 0x3B: %PULUW; return; |
| 312 | case 0x3F: %SWI2; return; |
| 313 | |
| 314 | case 0x40: set_d(); %NEG16; return; |
| 315 | case 0x43: set_d(); %COM16; return; |
| 316 | case 0x44: set_d(); %LSR16; return; |
| 317 | case 0x46: set_d(); %ROR16; return; |
| 318 | case 0x47: set_d(); %ASR16; return; |
| 319 | case 0x48: set_d(); %ASL16; return; |
| 320 | case 0x49: set_d(); %ROL16; return; |
| 321 | case 0x4A: set_d(); %DEC16; return; |
| 322 | case 0x4C: set_d(); %INC16; return; |
| 323 | case 0x4D: set_d(); %TST16; return; |
| 324 | case 0x4F: set_d(); %CLR16; return; |
| 325 | |
| 326 | case 0x50: set_w(); %NEG16; return; |
| 327 | case 0x53: set_w(); %COM16; return; |
| 328 | case 0x54: set_w(); %LSR16; return; |
| 329 | case 0x56: set_w(); %ROR16; return; |
| 330 | case 0x57: set_w(); %ASR16; return; |
| 331 | case 0x58: set_w(); %ASL16; return; |
| 332 | case 0x59: set_w(); %ROL16; return; |
| 333 | case 0x5A: set_w(); %DEC16; return; |
| 334 | case 0x5C: set_w(); %INC16; return; |
| 335 | case 0x5D: set_w(); %TST16; return; |
| 336 | case 0x5F: set_w(); %CLR16; return; |
| 337 | |
| 338 | case 0x80: set_regop16(m_w); set_imm(); %SUB16; return; |
| 339 | case 0x81: set_regop16(m_w); set_imm(); %CMP16; return; |
| 340 | case 0x82: set_regop16(m_d); set_imm(); %SBC16; return; |
| 341 | case 0x83: set_regop16(m_d); set_imm(); %CMP16; return; |
| 342 | case 0x84: set_regop16(m_d); set_imm(); %AND16; return; |
| 343 | case 0x85: set_regop16(m_d); set_imm(); %BIT16; return; |
| 344 | case 0x86: set_regop16(m_w); set_imm(); %LD16; return; |
| 345 | case 0x88: set_regop16(m_d); set_imm(); %EOR16; return; |
| 346 | case 0x89: set_regop16(m_d); set_imm(); %ADC16; return; |
| 347 | case 0x8A: set_regop16(m_d); set_imm(); %OR16; return; |
| 348 | case 0x8B: set_regop16(m_w); set_imm(); %ADD16; return; |
| 349 | case 0x8C: set_regop16(m_y); set_imm(); %CMP16; return; |
| 350 | case 0x8E: set_regop16(m_y); set_imm(); %LD16; return; |
| 351 | |
| 352 | case 0x90: set_regop16(m_w); %DIRECT; %SUB16; return; |
| 353 | case 0x91: set_regop16(m_w); %DIRECT; %CMP16; return; |
| 354 | case 0x92: set_regop16(m_d); %DIRECT; %SBC16; return; |
| 355 | case 0x93: set_regop16(m_d); %DIRECT; %CMP16; return; |
| 356 | case 0x94: set_regop16(m_d); %DIRECT; %AND16; return; |
| 357 | case 0x95: set_regop16(m_d); %DIRECT; %BIT16; return; |
| 358 | case 0x96: set_regop16(m_w); %DIRECT; %LD16; return; |
| 359 | case 0x97: set_regop16(m_w); %DIRECT; %ST16; return; |
| 360 | case 0x98: set_regop16(m_d); %DIRECT; %EOR16; return; |
| 361 | case 0x99: set_regop16(m_d); %DIRECT; %ADC16; return; |
| 362 | case 0x9A: set_regop16(m_d); %DIRECT; %OR16; return; |
| 363 | case 0x9B: set_regop16(m_w); %DIRECT; %ADD16; return; |
| 364 | case 0x9C: set_regop16(m_y); %DIRECT; %CMP16; return; |
| 365 | case 0x9E: set_regop16(m_y); %DIRECT; %LD16; return; |
| 366 | case 0x9F: set_regop16(m_y); %DIRECT; %ST16; return; |
| 367 | |
| 368 | case 0xA0: set_regop16(m_w); %INDEXED; %SUB16; return; |
| 369 | case 0xA1: set_regop16(m_w); %INDEXED; %CMP16; return; |
| 370 | case 0xA2: set_regop16(m_d); %INDEXED; %SBC16; return; |
| 371 | case 0xA3: set_regop16(m_d); %INDEXED; %CMP16; return; |
| 372 | case 0xA4: set_regop16(m_d); %INDEXED; %AND16; return; |
| 373 | case 0xA5: set_regop16(m_d); %INDEXED; %BIT16; return; |
| 374 | case 0xA6: set_regop16(m_w); %INDEXED; %LD16; return; |
| 375 | case 0xA7: set_regop16(m_w); %INDEXED; %ST16; return; |
| 376 | case 0xA8: set_regop16(m_d); %INDEXED; %EOR16; return; |
| 377 | case 0xA9: set_regop16(m_d); %INDEXED; %ADC16; return; |
| 378 | case 0xAA: set_regop16(m_d); %INDEXED; %OR16; return; |
| 379 | case 0xAB: set_regop16(m_w); %INDEXED; %ADD16; return; |
| 380 | case 0xAC: set_regop16(m_y); %INDEXED; %CMP16; return; |
| 381 | case 0xAE: set_regop16(m_y); %INDEXED; %LD16; return; |
| 382 | case 0xAF: set_regop16(m_y); %INDEXED; %ST16; return; |
| 383 | |
| 384 | case 0xB0: set_regop16(m_w); %EXTENDED; %SUB16; return; |
| 385 | case 0xB1: set_regop16(m_w); %EXTENDED; %CMP16; return; |
| 386 | case 0xB2: set_regop16(m_d); %EXTENDED; %SBC16; return; |
| 387 | case 0xB3: set_regop16(m_d); %EXTENDED; %CMP16; return; |
| 388 | case 0xB4: set_regop16(m_d); %EXTENDED; %AND16; return; |
| 389 | case 0xB5: set_regop16(m_d); %EXTENDED; %BIT16; return; |
| 390 | case 0xB6: set_regop16(m_w); %EXTENDED; %LD16; return; |
| 391 | case 0xB7: set_regop16(m_w); %EXTENDED; %ST16; return; |
| 392 | case 0xB8: set_regop16(m_d); %EXTENDED; %EOR16; return; |
| 393 | case 0xB9: set_regop16(m_d); %EXTENDED; %ADC16; return; |
| 394 | case 0xBA: set_regop16(m_d); %EXTENDED; %OR16; return; |
| 395 | case 0xBB: set_regop16(m_w); %EXTENDED; %ADD16; return; |
| 396 | case 0xBC: set_regop16(m_y); %EXTENDED; %CMP16; return; |
| 397 | case 0xBE: set_regop16(m_y); %EXTENDED; %LD16; return; |
| 398 | case 0xBF: set_regop16(m_y); %EXTENDED; %ST16; return; |
| 399 | |
| 400 | case 0xCE: set_regop16(m_s); set_imm(); %LD16; return; |
| 401 | case 0xDC: %DIRECT; %LDQ; return; |
| 402 | case 0xDD: %DIRECT; %STQ; return; |
| 403 | case 0xDE: set_regop16(m_s); %DIRECT; %LD16; return; |
| 404 | case 0xDF: set_regop16(m_s); %DIRECT; %ST16; return; |
| 405 | case 0xEC: %INDEXED; %LDQ; return; |
| 406 | case 0xED: %INDEXED; %STQ; return; |
| 407 | case 0xEE: set_regop16(m_s); %INDEXED; %LD16; return; |
| 408 | case 0xEF: set_regop16(m_s); %INDEXED; %ST16; return; |
| 409 | case 0xFC: %EXTENDED; %LDQ; return; |
| 410 | case 0xFD: %EXTENDED; %STQ; return; |
| 411 | case 0xFE: set_regop16(m_s); %EXTENDED; %LD16; return; |
| 412 | case 0xFF: set_regop16(m_s); %EXTENDED; %ST16; return; |
| 413 | |
| 414 | default: %ILLEGAL; return; |
| 415 | } |
| 416 | return; |
| 417 | |
| 418 | DISPATCH11: |
| 419 | @m_opcode = read_opcode(); |
| 420 | switch(m_opcode) |
| 421 | { |
| 422 | case 0x30: %BAND; return; |
| 423 | case 0x31: %BIAND; return; |
| 424 | case 0x32: %BOR; return; |
| 425 | case 0x33: %BIOR; return; |
| 426 | case 0x34: %BEOR; return; |
| 427 | case 0x35: %BIEOR; return; |
| 428 | case 0x36: %LDBT; return; |
| 429 | case 0x37: %STBT; return; |
| 430 | case 0x38: %TFM; return; |
| 431 | case 0x39: %TFM; return; |
| 432 | case 0x3A: %TFM; return; |
| 433 | case 0x3B: %TFM; return; |
| 434 | case 0x3C: set_regop8(m_md); set_imm(); %BIT8; return; |
| 435 | case 0x3D: set_regop8(m_md); set_imm(); %LD8; return; |
| 436 | case 0x3F: %SWI3; return; |
| 437 | |
| 438 | case 0x43: set_e(); %COM8; return; |
| 439 | case 0x4A: set_e(); %DEC8; return; |
| 440 | case 0x4C: set_e(); %INC8; return; |
| 441 | case 0x4D: set_e(); %TST8; return; |
| 442 | case 0x4F: set_e(); %CLR8; return; |
| 443 | |
| 444 | case 0x53: set_f(); %COM8; return; |
| 445 | case 0x5A: set_f(); %DEC8; return; |
| 446 | case 0x5C: set_f(); %INC8; return; |
| 447 | case 0x5D: set_f(); %TST8; return; |
| 448 | case 0x5F: set_f(); %CLR8; return; |
| 449 | |
| 450 | case 0x80: set_regop8(m_w.b.h); set_imm(); %SUB8; return; |
| 451 | case 0x81: set_regop8(m_w.b.h); set_imm(); %CMP8; return; |
| 452 | case 0x83: set_regop16(m_u); set_imm(); %CMP16; return; |
| 453 | case 0x86: set_regop8(m_w.b.h); set_imm(); %LD8; return; |
| 454 | case 0x8B: set_regop8(m_w.b.h); set_imm(); %ADD8; return; |
| 455 | case 0x8C: set_regop16(m_s); set_imm(); %CMP16; return; |
| 456 | case 0x8D: set_imm(); %DIVD; return; |
| 457 | case 0x8E: set_imm(); %DIVQ; return; |
| 458 | case 0x8F: set_imm(); %MULD; return; |
| 459 | |
| 460 | case 0x90: set_regop8(m_w.b.h); %DIRECT; %SUB8; return; |
| 461 | case 0x91: set_regop8(m_w.b.h); %DIRECT; %CMP8; return; |
| 462 | case 0x93: set_regop16(m_u); %DIRECT; %CMP16; return; |
| 463 | case 0x96: set_regop8(m_w.b.h); %DIRECT; %LD8; return; |
| 464 | case 0x97: set_regop8(m_w.b.h); %DIRECT; %ST8; return; |
| 465 | case 0x9B: set_regop8(m_w.b.h); %DIRECT; %ADD8; return; |
| 466 | case 0x9C: set_regop16(m_s); %DIRECT; %CMP16; return; |
| 467 | case 0x9D: %DIRECT; %DIVD; return; |
| 468 | case 0x9E: %DIRECT; %DIVQ; return; |
| 469 | case 0x9F: %DIRECT; %MULD; return; |
| 470 | |
| 471 | case 0xA0: set_regop8(m_w.b.h); %INDEXED; %SUB8; return; |
| 472 | case 0xA1: set_regop8(m_w.b.h); %INDEXED; %CMP8; return; |
| 473 | case 0xA3: set_regop16(m_u); %INDEXED; %CMP16; return; |
| 474 | case 0xA6: set_regop8(m_w.b.h); %INDEXED; %LD8; return; |
| 475 | case 0xA7: set_regop8(m_w.b.h); %INDEXED; %ST8; return; |
| 476 | case 0xAB: set_regop8(m_w.b.h); %INDEXED; %ADD8; return; |
| 477 | case 0xAC: set_regop16(m_s); %INDEXED; %CMP16; return; |
| 478 | case 0xAD: %INDEXED; %DIVD; return; |
| 479 | case 0xAE: %INDEXED; %DIVQ; return; |
| 480 | case 0xAF: %INDEXED; %MULD; return; |
| 481 | |
| 482 | case 0xB0: set_regop8(m_w.b.h); %EXTENDED; %SUB8; return; |
| 483 | case 0xB1: set_regop8(m_w.b.h); %EXTENDED; %CMP8; return; |
| 484 | case 0xB3: set_regop16(m_u); %EXTENDED; %CMP16; return; |
| 485 | case 0xB6: set_regop8(m_w.b.h); %EXTENDED; %LD8; return; |
| 486 | case 0xB7: set_regop8(m_w.b.h); %EXTENDED; %ST8; return; |
| 487 | case 0xBB: set_regop8(m_w.b.h); %EXTENDED; %ADD8; return; |
| 488 | case 0xBC: set_regop16(m_s); %EXTENDED; %CMP16; return; |
| 489 | case 0xBD: %EXTENDED; %DIVD; return; |
| 490 | case 0xBE: %EXTENDED; %DIVQ; return; |
| 491 | case 0xBF: %EXTENDED; %MULD; return; |
| 492 | |
| 493 | case 0xC0: set_regop8(m_w.b.l); set_imm(); %SUB8; return; |
| 494 | case 0xC1: set_regop8(m_w.b.l); set_imm(); %CMP8; return; |
| 495 | case 0xC6: set_regop8(m_w.b.l); set_imm(); %LD8; return; |
| 496 | case 0xCB: set_regop8(m_w.b.l); set_imm(); %ADD8; return; |
| 497 | |
| 498 | case 0xD0: set_regop8(m_w.b.l); %DIRECT; %SUB8; return; |
| 499 | case 0xD1: set_regop8(m_w.b.l); %DIRECT; %CMP8; return; |
| 500 | case 0xD6: set_regop8(m_w.b.l); %DIRECT; %LD8; return; |
| 501 | case 0xD7: set_regop8(m_w.b.l); %DIRECT; %ST8; return; |
| 502 | case 0xDB: set_regop8(m_w.b.l); %DIRECT; %ADD8; return; |
| 503 | |
| 504 | case 0xE0: set_regop8(m_w.b.l); %INDEXED; %SUB8; return; |
| 505 | case 0xE1: set_regop8(m_w.b.l); %INDEXED; %CMP8; return; |
| 506 | case 0xE6: set_regop8(m_w.b.l); %INDEXED; %LD8; return; |
| 507 | case 0xE7: set_regop8(m_w.b.l); %INDEXED; %ST8; return; |
| 508 | case 0xEB: set_regop8(m_w.b.l); %INDEXED; %ADD8; return; |
| 509 | |
| 510 | case 0xF0: set_regop8(m_w.b.l); %EXTENDED; %SUB8; return; |
| 511 | case 0xF1: set_regop8(m_w.b.l); %EXTENDED; %CMP8; return; |
| 512 | case 0xF6: set_regop8(m_w.b.l); %EXTENDED; %LD8; return; |
| 513 | case 0xF7: set_regop8(m_w.b.l); %EXTENDED; %ST8; return; |
| 514 | case 0xFB: set_regop8(m_w.b.l); %EXTENDED; %ADD8; return; |
| 515 | |
| 516 | default: %ILLEGAL; return; |
| 517 | } |
| 518 | return; |
| 519 | |
| 520 | #include "base6x09.ops" |
| 521 | |
| 522 | PUSH_REGISTERS: |
| 523 | if (m_temp.w & 0x80) |
| 524 | { |
| 525 | @write_memory(--regop16().w, m_pc.b.l); |
| 526 | @write_memory(--regop16().w, m_pc.b.h); |
| 527 | nop(); |
| 528 | } |
| 529 | if (m_temp.w & 0x40) |
| 530 | { |
| 531 | @write_memory(--regop16().w, (®op16() == &m_s) ? m_u.b.l : m_s.b.l); |
| 532 | @write_memory(--regop16().w, (®op16() == &m_s) ? m_u.b.h : m_s.b.h); |
| 533 | nop(); |
| 534 | } |
| 535 | if (m_temp.w & 0x20) |
| 536 | { |
| 537 | @write_memory(--regop16().w, m_y.b.l); |
| 538 | @write_memory(--regop16().w, m_y.b.h); |
| 539 | nop(); |
| 540 | } |
| 541 | if (m_temp.w & 0x10) |
| 542 | { |
| 543 | @write_memory(--regop16().w, m_x.b.l); |
| 544 | @write_memory(--regop16().w, m_x.b.h); |
| 545 | nop(); |
| 546 | } |
| 547 | if (m_temp.w & 0x08) |
| 548 | { |
| 549 | @write_memory(--regop16().w, m_dp); |
| 550 | nop(); |
| 551 | } |
| 552 | if (m_temp.w & 0x200) |
| 553 | { |
| 554 | @write_memory(--regop16().w, m_w.b.l); |
| 555 | nop(); |
| 556 | } |
| 557 | if (m_temp.w & 0x100) |
| 558 | { |
| 559 | @write_memory(--regop16().w, m_w.b.h); |
| 560 | nop(); |
| 561 | } |
| 562 | if (m_temp.w & 0x04) |
| 563 | { |
| 564 | @write_memory(--regop16().w, m_d.b.l); |
| 565 | nop(); |
| 566 | } |
| 567 | if (m_temp.w & 0x02) |
| 568 | { |
| 569 | @write_memory(--regop16().w, m_d.b.h); |
| 570 | nop(); |
| 571 | } |
| 572 | if (m_temp.w & 0x01) |
| 573 | { |
| 574 | @write_memory(--regop16().w, m_cc); |
| 575 | nop(); |
| 576 | } |
| 577 | return; |
| 578 | |
| 579 | PULL_REGISTERS: |
| 580 | if (m_temp.w & 0x01) |
| 581 | { |
| 582 | @m_cc = read_memory(regop16().w++); |
| 583 | nop(); |
| 584 | } |
| 585 | if (m_temp.w & 0x02) |
| 586 | { |
| 587 | @m_d.b.h = read_memory(regop16().w++); |
| 588 | nop(); |
| 589 | } |
| 590 | if (m_temp.w & 0x04) |
| 591 | { |
| 592 | @m_d.b.l = read_memory(regop16().w++); |
| 593 | nop(); |
| 594 | } |
| 595 | if (m_temp.w & 0x100) |
| 596 | { |
| 597 | @m_w.b.h = read_memory(regop16().w++); |
| 598 | nop(); |
| 599 | } |
| 600 | if (m_temp.w & 0x200) |
| 601 | { |
| 602 | @m_w.b.l = read_memory(regop16().w++); |
| 603 | nop(); |
| 604 | } |
| 605 | if (m_temp.w & 0x08) |
| 606 | { |
| 607 | @m_dp = read_memory(regop16().w++); |
| 608 | nop(); |
| 609 | } |
| 610 | if (m_temp.w & 0x10) |
| 611 | { |
| 612 | @m_x.b.h = read_memory(regop16().w++); |
| 613 | @m_x.b.l = read_memory(regop16().w++); |
| 614 | nop(); |
| 615 | } |
| 616 | if (m_temp.w & 0x20) |
| 617 | { |
| 618 | @m_y.b.h = read_memory(regop16().w++); |
| 619 | @m_y.b.l = read_memory(regop16().w++); |
| 620 | nop(); |
| 621 | } |
| 622 | if (m_temp.w & 0x40) |
| 623 | { |
| 624 | @(®op16() == &m_s ? m_u : m_s).b.h = read_memory(regop16().w++); |
| 625 | @(®op16() == &m_s ? m_u : m_s).b.l = read_memory(regop16().w++); |
| 626 | nop(); |
| 627 | } |
| 628 | if (m_temp.w & 0x80) |
| 629 | { |
| 630 | @m_pc.b.h = read_memory(regop16().w++); |
| 631 | @m_pc.b.l = read_memory(regop16().w++); |
| 632 | nop(); |
| 633 | } |
| 634 | @eat(1); |
| 635 | return; |
| 636 | |
| 637 | INDEXED: |
| 638 | @m_opcode = read_opcode_arg(); |
| 639 | if (m_opcode & 0x80) |
| 640 | { |
| 641 | switch(m_opcode & 0x7F) |
| 642 | { |
| 643 | case 0x00: case 0x20: case 0x40: case 0x60: |
| 644 | m_temp.w = ireg(); |
| 645 | ireg()++; |
| 646 | eat((hd6309_native_mode() && !(m_opcode & 0x10)) ? 2 : 3); |
| 647 | break; |
| 648 | |
| 649 | case 0x01: case 0x21: case 0x41: case 0x61: |
| 650 | case 0x11: case 0x31: case 0x51: case 0x71: |
| 651 | m_temp.w = ireg(); |
| 652 | ireg() += 2; |
| 653 | eat((hd6309_native_mode() && !(m_opcode & 0x10)) ? 3 : 4); |
| 654 | break; |
| 655 | |
| 656 | case 0x02: case 0x22: case 0x42: case 0x62: |
| 657 | ireg()--; |
| 658 | m_temp.w = ireg(); |
| 659 | eat((hd6309_native_mode() && !(m_opcode & 0x10)) ? 2 : 3); |
| 660 | break; |
| 661 | |
| 662 | case 0x03: case 0x23: case 0x43: case 0x63: |
| 663 | case 0x13: case 0x33: case 0x53: case 0x73: |
| 664 | ireg() -= 2; |
| 665 | m_temp.w = ireg(); |
| 666 | eat((hd6309_native_mode() && !(m_opcode & 0x10)) ? 3 : 4); |
| 667 | break; |
| 668 | |
| 669 | case 0x04: case 0x24: case 0x44: case 0x64: |
| 670 | case 0x14: case 0x34: case 0x54: case 0x74: |
| 671 | m_temp.w = ireg(); |
| 672 | eat(1); |
| 673 | break; |
| 674 | |
| 675 | case 0x05: case 0x25: case 0x45: case 0x65: |
| 676 | case 0x15: case 0x35: case 0x55: case 0x75: |
| 677 | m_temp.w = ireg() + (INT8) m_d.b.l; |
| 678 | eat(2); |
| 679 | break; |
| 680 | |
| 681 | case 0x06: case 0x26: case 0x46: case 0x66: |
| 682 | case 0x16: case 0x36: case 0x56: case 0x76: |
| 683 | m_temp.w = ireg() + (INT8) m_d.b.h; |
| 684 | eat(2); |
| 685 | break; |
| 686 | |
| 687 | case 0x08: case 0x28: case 0x48: case 0x68: |
| 688 | case 0x18: case 0x38: case 0x58: case 0x78: |
| 689 | @m_temp.w = ireg() + (INT8) read_opcode_arg(); |
| 690 | eat(1); |
| 691 | break; |
| 692 | |
| 693 | case 0x09: case 0x29: case 0x49: case 0x69: |
| 694 | case 0x19: case 0x39: case 0x59: case 0x79: |
| 695 | @m_temp.b.h = read_opcode_arg(); |
| 696 | @m_temp.b.l = read_opcode_arg(); |
| 697 | m_temp.w = ireg() + m_temp.w; |
| 698 | eat(hd6309_native_mode() ? 2 : 3); |
| 699 | break; |
| 700 | |
| 701 | case 0x0B: case 0x2B: case 0x4B: case 0x6B: |
| 702 | case 0x1B: case 0x3B: case 0x5B: case 0x7B: |
| 703 | m_temp.w = ireg() + m_d.w; |
| 704 | eat((hd6309_native_mode() && !(m_opcode & 0x10)) ? 3 : 5); |
| 705 | break; |
| 706 | |
| 707 | case 0x0C: case 0x2C: case 0x4C: case 0x6C: |
| 708 | case 0x1C: case 0x3C: case 0x5C: case 0x7C: |
| 709 | @m_temp.b.l = read_opcode_arg(); |
| 710 | m_temp.w = m_pc.w + (INT8) m_temp.b.l; |
| 711 | eat(1); |
| 712 | break; |
| 713 | |
| 714 | case 0x0D: case 0x2D: case 0x4D: case 0x6D: |
| 715 | case 0x1D: case 0x3D: case 0x5D: case 0x7D: |
| 716 | @m_temp.b.h = read_opcode_arg(); |
| 717 | @m_temp.b.l = read_opcode_arg(); |
| 718 | m_temp.w = m_pc.w + (INT16) m_temp.w; |
| 719 | eat((hd6309_native_mode() && !(m_opcode & 0x10)) ? 2 : 4); |
| 720 | break; |
| 721 | |
| 722 | case 0x1F: case 0x3F: case 0x5F: case 0x7F: |
| 723 | @m_temp.b.h = read_opcode_arg(); |
| 724 | @m_temp.b.l = read_opcode_arg(); |
| 725 | eat(1); |
| 726 | break; |
| 727 | |
| 728 | case 0x07: case 0x27: case 0x47: case 0x67: |
| 729 | case 0x17: case 0x37: case 0x57: case 0x77: |
| 730 | // 6309 specific mode |
| 731 | m_temp.w = ireg() + (INT8) m_w.b.h; |
| 732 | eat(2); |
| 733 | break; |
| 734 | |
| 735 | case 0x0A: case 0x2A: case 0x4A: case 0x6A: |
| 736 | case 0x1A: case 0x3A: case 0x5A: case 0x7A: |
| 737 | // 6309 specific mode |
| 738 | m_temp.w = ireg() + (INT8) m_w.b.l; |
| 739 | eat(2); |
| 740 | break; |
| 741 | |
| 742 | case 0x0E: case 0x2E: case 0x4E: case 0x6E: |
| 743 | case 0x1E: case 0x3E: case 0x5E: case 0x7E: |
| 744 | // 6309 specific mode |
| 745 | m_temp.w = ireg() + m_w.w; |
| 746 | eat((hd6309_native_mode() && !(m_opcode & 0x10)) ? 2 : 5); |
| 747 | break; |
| 748 | |
| 749 | case 0x0F: |
| 750 | // 6309 specific mode |
| 751 | m_temp.w = m_w.w; |
| 752 | eat(1); |
| 753 | break; |
| 754 | |
| 755 | case 0x2F: |
| 756 | // 6309 specific mode |
| 757 | @m_temp.b.h = read_opcode_arg(); |
| 758 | @m_temp.b.l = read_opcode_arg(); |
| 759 | m_temp.w = m_w.w + m_temp.w; |
| 760 | eat(hd6309_native_mode() ? 1 : 5); |
| 761 | break; |
| 762 | |
| 763 | case 0x4F: |
| 764 | // 6309 specific mode |
| 765 | m_temp.w = m_w.w; |
| 766 | m_w.w += 2; |
| 767 | eat((hd6309_native_mode() && !(m_opcode & 0x10)) ? 2 : 4); |
| 768 | break; |
| 769 | |
| 770 | case 0x6F: |
| 771 | // 6309 specific mode |
| 772 | m_w.w -= 2; |
| 773 | m_temp.w = m_w.w; |
| 774 | eat((hd6309_native_mode() && !(m_opcode & 0x10)) ? 2 : 4); |
| 775 | break; |
| 776 | |
| 777 | default: |
| 778 | goto ILLEGAL; |
| 779 | } |
| 780 | |
| 781 | // indirect mode |
| 782 | if (m_opcode & 0x10) |
| 783 | { |
| 784 | set_ea(m_temp.w); |
| 785 | @m_temp.b.h = read_operand(0); |
| 786 | @m_temp.b.l = read_operand(1); |
| 787 | eat(1); |
| 788 | } |
| 789 | } |
| 790 | else |
| 791 | { |
| 792 | // 5-bit offset |
| 793 | m_temp.w = ireg() + (INT8) ((m_opcode & 0x0F) | (m_opcode & 0x10 ? 0xF0 : 0x00)); |
| 794 | eat(2); |
| 795 | } |
| 796 | @set_ea(m_temp.w); |
| 797 | return; |
| 798 | |
| 799 | ILLEGAL: |
| 800 | m_md |= 0x40; // illegal op flag |
| 801 | set_ea(VECTOR_ILLEGAL); |
| 802 | goto SOFTWARE_INTERRUPT; |
| 803 | |
| 804 | DIVIDE_BY_ZERO: |
| 805 | m_md |= 0x80; // divide by zero flag |
| 806 | set_ea(VECTOR_ILLEGAL); |
| 807 | goto SOFTWARE_INTERRUPT; |
| 808 | |
| 809 | IMM_IM: |
| 810 | @m_temp_im = read_opcode_arg(); |
| 811 | return; |
| 812 | |
| 813 | JSR_ind: |
| 814 | // this is dubious, but the old core did this |
| 815 | eat(hd6309_native_mode() ? -1 : 0); |
| 816 | goto JSR; |
| 817 | |
| 818 | LDQ: |
| 819 | @m_d.b.h = read_operand(0); |
| 820 | @m_d.b.l = read_operand(1); |
| 821 | @m_w.b.h = read_operand(2); |
| 822 | @m_w.b.l = read_operand(3); |
| 823 | set_flags<UINT32>(CC_NZV, get_q()); |
| 824 | return; |
| 825 | |
| 826 | STQ: |
| 827 | @write_operand(0, m_d.b.h); |
| 828 | @write_operand(1, m_d.b.l); |
| 829 | @write_operand(2, m_w.b.h); |
| 830 | @write_operand(3, m_w.b.l); |
| 831 | set_flags<UINT32>(CC_NZV, get_q()); |
| 832 | return; |
| 833 | |
| 834 | OIM: |
| 835 | @m_temp.b.l = read_operand(); |
| 836 | m_cc &= ~CC_V; |
| 837 | m_temp.b.l = set_flags(CC_NZ, (UINT8)0, m_temp.b.l, m_temp.b.l | m_temp_im); |
| 838 | @eat(1); // this is just a guess |
| 839 | @write_operand(m_temp.b.l); |
| 840 | return; |
| 841 | |
| 842 | AIM: |
| 843 | @m_temp.b.l = read_operand(); |
| 844 | m_cc &= ~CC_V; |
| 845 | m_temp.b.l = set_flags(CC_NZ, (UINT8)0, m_temp.b.l, m_temp.b.l & m_temp_im); |
| 846 | @eat(1); // this is just a guess |
| 847 | @write_operand(m_temp.b.l); |
| 848 | return; |
| 849 | |
| 850 | EIM: |
| 851 | @m_temp.b.l = read_operand(); |
| 852 | m_cc &= ~CC_V; |
| 853 | m_temp.b.l = set_flags(CC_NZ, (UINT8)0, m_temp.b.l, m_temp.b.l ^ m_temp_im); |
| 854 | @eat(1); // this is just a guess |
| 855 | @write_operand(m_temp.b.l); |
| 856 | return; |
| 857 | |
| 858 | TIM: |
| 859 | @m_temp.b.l = read_operand(); |
| 860 | m_cc &= ~CC_V; |
| 861 | m_temp.b.l = set_flags(CC_NZ, (UINT8)0, m_temp.b.l, m_temp.b.l & m_temp_im); |
| 862 | @eat(2); // this is just a guess |
| 863 | return; |
| 864 | |
| 865 | TFM: |
| 866 | // The TFM instruction takes up 6 CPU cycles, plus 3 CPU cycles |
| 867 | // for each byte transferred. At least three of these are spent |
| 868 | // reading the opcodes (00010001 001110xx xxxxxxxx). |
| 869 | // |
| 870 | // The old (pre-0.149) core allowed interrupts to interrupt |
| 871 | // execution of the transfer by implementing a transfer as an |
| 872 | // operation that executed one transfer, and bumped the program |
| 873 | // counter back. However, some documentation suggests that TFM |
| 874 | // was abortable, so we now have a get_pending_interrupt() call |
| 875 | // here. |
| 876 | // |
| 877 | // Lastly, I have no information on the precise sub-instruction timing |
| 878 | // here; the timings of the reads and writes are really just a guess. |
| 879 | @m_temp.b.l = read_opcode_arg(); |
| 880 | |
| 881 | while (m_w.w != 0x0000) |
| 882 | { |
| 883 | // TFM is abortable - we need to check for a pending interrupt |
| 884 | if (get_pending_interrupt() != 0) |
| 885 | { |
| 886 | m_pc.w -= 3; |
| 887 | return; |
| 888 | } |
| 889 | |
| 890 | if (!tfr_read(m_opcode, m_temp.b.l, m_temp.b.h)) |
| 891 | goto ILLEGAL; |
| 892 | @eat(0); |
| 893 | |
| 894 | if (!tfr_write(m_opcode, m_temp.b.l, m_temp.b.h)) |
| 895 | goto ILLEGAL; |
| 896 | @eat(1); |
| 897 | |
| 898 | m_w.w--; |
| 899 | } |
| 900 | |
| 901 | // Not sure if this sub instruction timing is accurate either |
| 902 | @eat(3); |
| 903 | return; |
| 904 | |
| 905 | COM16: |
| 906 | m_temp.b.h = read_operand(0); |
| 907 | m_temp.b.l = read_operand(1); |
| 908 | m_cc &= ~CC_V; |
| 909 | m_cc |= CC_C; |
| 910 | m_temp.w = set_flags(CC_NZ, (UINT16) ~m_temp.w); |
| 911 | eat(hd6309_native_mode() ? 0 : 1); |
| 912 | write_operand(0, m_temp.b.h); |
| 913 | write_operand(1, m_temp.b.l); |
| 914 | return; |
| 915 | |
| 916 | ADC16: |
| 917 | @m_temp.b.h = read_operand(0); |
| 918 | @m_temp.b.l = read_operand(1); |
| 919 | regop16().w = set_flags(CC_NZVC, regop16().w, m_temp.w, regop16().w + m_temp.w + (m_cc & CC_C ? 1 : 0)); |
| 920 | eat(hd6309_native_mode() ? 0 : 1); |
| 921 | return; |
| 922 | |
| 923 | SBC16: |
| 924 | @m_temp.b.h = read_operand(0); |
| 925 | @m_temp.b.l = read_operand(1); |
| 926 | regop16().w = set_flags(CC_NZVC, regop16().w, m_temp.w, regop16().w - m_temp.w - (m_cc & CC_C ? 1 : 0)); |
| 927 | eat(hd6309_native_mode() ? 0 : 1); |
| 928 | return; |
| 929 | |
| 930 | AND16: |
| 931 | @m_temp.b.h = read_operand(0); |
| 932 | @m_temp.b.l = read_operand(1); |
| 933 | m_cc &= ~CC_V; |
| 934 | regop16().w = set_flags(CC_NZ, (UINT16)0, regop16().w, regop16().w & m_temp.w); |
| 935 | return; |
| 936 | |
| 937 | BIT16: |
| 938 | @m_temp.b.h = read_operand(0); |
| 939 | @m_temp.b.l = read_operand(1); |
| 940 | m_cc &= ~CC_V; |
| 941 | set_flags(CC_NZ, (UINT16)0, regop16().w, regop16().w & m_temp.w); |
| 942 | return; |
| 943 | |
| 944 | OR16: |
| 945 | @m_temp.b.h = read_operand(0); |
| 946 | @m_temp.b.l = read_operand(1); |
| 947 | m_cc &= ~CC_V; |
| 948 | regop16().w = set_flags(CC_NZ, (UINT16)0, regop16().w, regop16().w | m_temp.w); |
| 949 | return; |
| 950 | |
| 951 | EOR16: |
| 952 | @m_temp.b.h = read_operand(0); |
| 953 | @m_temp.b.l = read_operand(1); |
| 954 | m_cc &= ~CC_V; |
| 955 | regop16().w = set_flags(CC_NZ, (UINT16)0, regop16().w, regop16().w ^ m_temp.w); |
| 956 | return; |
| 957 | |
| 958 | PSHSW: |
| 959 | m_temp.w = 0x300; // PSHS W |
| 960 | eat(2); |
| 961 | set_regop16(m_s); |
| 962 | goto PUSH_REGISTERS; |
| 963 | |
| 964 | PULSW: |
| 965 | m_temp.w = 0x300; // PULS W |
| 966 | eat(2); |
| 967 | set_regop16(m_s); |
| 968 | goto PULL_REGISTERS; |
| 969 | |
| 970 | PSHUW: |
| 971 | m_temp.w = 0x300; // PSHU W |
| 972 | eat(2); |
| 973 | set_regop16(m_u); |
| 974 | goto PUSH_REGISTERS; |
| 975 | |
| 976 | PULUW: |
| 977 | m_temp.w = 0x300; // PULU W |
| 978 | eat(2); |
| 979 | set_regop16(m_u); |
| 980 | goto PULL_REGISTERS; |
| 981 | |
| 982 | BAND: |
| 983 | %IMM_IM; |
| 984 | %DIRECT; |
| 985 | @m_temp.b.l = read_operand(); |
| 986 | bittest_set(bittest_dest() && bittest_source()); |
| 987 | return; |
| 988 | |
| 989 | BIAND: |
| 990 | %IMM_IM; |
| 991 | %DIRECT; |
| 992 | @m_temp.b.l = read_operand(); |
| 993 | bittest_set(bittest_dest() && !bittest_source()); |
| 994 | return; |
| 995 | |
| 996 | BOR: |
| 997 | %IMM_IM; |
| 998 | %DIRECT; |
| 999 | @m_temp.b.l = read_operand(); |
| 1000 | bittest_set(bittest_dest() || bittest_source()); |
| 1001 | return; |
| 1002 | |
| 1003 | BIOR: |
| 1004 | %IMM_IM; |
| 1005 | %DIRECT; |
| 1006 | @m_temp.b.l = read_operand(); |
| 1007 | bittest_set(bittest_dest() || !bittest_source()); |
| 1008 | return; |
| 1009 | |
| 1010 | BEOR: |
| 1011 | %IMM_IM; |
| 1012 | %DIRECT; |
| 1013 | @m_temp.b.l = read_operand(); |
| 1014 | bittest_set(bittest_dest() != bittest_source()); |
| 1015 | return; |
| 1016 | |
| 1017 | BIEOR: |
| 1018 | %IMM_IM; |
| 1019 | %DIRECT; |
| 1020 | @m_temp.b.l = read_operand(); |
| 1021 | bittest_set(bittest_dest() != !bittest_source()); |
| 1022 | return; |
| 1023 | |
| 1024 | LDBT: |
| 1025 | %IMM_IM; |
| 1026 | %DIRECT; |
| 1027 | @m_temp.b.l = read_operand(); |
| 1028 | bittest_set(bittest_source()); |
| 1029 | return; |
| 1030 | |
| 1031 | STBT: |
| 1032 | %IMM_IM; |
| 1033 | %DIRECT; |
| 1034 | @m_temp.b.l = read_operand(); |
| 1035 | if (bittest_source()) |
| 1036 | m_temp.b.l |= (1 << ((m_temp_im >> 0) & 0x07)); |
| 1037 | else |
| 1038 | m_temp.b.l &= ~(1 << ((m_temp_im >> 0) & 0x07)); |
| 1039 | @eat(2); |
| 1040 | write_operand(m_temp.b.l); |
| 1041 | return; |
| 1042 | |
| 1043 | MULD: |
| 1044 | @m_temp.b.h = read_operand(0); |
| 1045 | @m_temp.b.l = read_operand(1); |
| 1046 | muld(); |
| 1047 | { |
| 1048 | PAIR result; |
| 1049 | result.d = ((INT16) m_d.w) * ((INT16) m_temp.w); |
| 1050 | m_d.w = set_flags<UINT16>(CC_NZ, result.w.h); |
| 1051 | m_w.w = result.w.l; |
| 1052 | m_cc &= ~CC_VC; |
| 1053 | } |
| 1054 | return; |
| 1055 | |
| 1056 | DIVQ: |
| 1057 | @m_temp.b.h = read_operand(0); |
| 1058 | @m_temp.b.l = read_operand(1); |
| 1059 | if (!divq()) |
| 1060 | goto DIVIDE_BY_ZERO; |
| 1061 | return; |
| 1062 | |
| 1063 | DIVD: |
| 1064 | @m_temp.b.l = read_operand(); |
| 1065 | if (!divd()) |
| 1066 | goto DIVIDE_BY_ZERO; |
| 1067 | return; |
| 1068 | |
| 1069 | SEXW: |
| 1070 | m_d.w = set_flags<UINT16>(CC_N, (m_w.w & 0x8000) ? 0xFFFF : 0x0000); |
| 1071 | if ((m_d.w == 0x0000) && (m_w.w == 0x0000)) |
| 1072 | m_cc |= CC_Z; |
| 1073 | else |
| 1074 | m_cc &= ~CC_Z; |
| 1075 | return; |
trunk/src/emu/cpu/m6809/konami.ops
| r0 | r21565 | |
| 1 | MAIN: |
| 2 | // check interrupt lines |
| 3 | switch(check_pending_interrupt()) |
| 4 | { |
| 5 | case VECTOR_NMI: goto NMI; |
| 6 | case VECTOR_FIRQ: goto FIRQ; |
| 7 | case VECTOR_IRQ: goto IRQ; |
| 8 | } |
| 9 | |
| 10 | // debugger hook |
| 11 | m_ppc = m_pc; |
| 12 | debugger_instruction_hook(this, m_pc.w); |
| 13 | |
| 14 | // opcode fetch |
| 15 | @m_opcode = read_opcode(); |
| 16 | |
| 17 | // dispatch opcode |
| 18 | switch(m_opcode) |
| 19 | { |
| 20 | case 0x08: set_regop16(m_x); %INDEXED; %LEA_xy; return; |
| 21 | case 0x09: set_regop16(m_y); %INDEXED; %LEA_xy; return; |
| 22 | case 0x0A: set_regop16(m_u); %INDEXED; %LEA_us; return; |
| 23 | case 0x0B: set_regop16(m_s); %INDEXED; %LEA_us; return; |
| 24 | case 0x0C: %PSHS; return; |
| 25 | case 0x0D: %PSHU; return; |
| 26 | case 0x0E: %PULS; return; |
| 27 | case 0x0F: %PULU; return; |
| 28 | |
| 29 | case 0x10: set_regop8(m_d.b.h); set_imm(); %LD8; return; |
| 30 | case 0x11: set_regop8(m_d.b.l); set_imm(); %LD8; return; |
| 31 | case 0x12: set_regop8(m_d.b.h); %INDEXED; %LD8; return; |
| 32 | case 0x13: set_regop8(m_d.b.l); %INDEXED; %LD8; return; |
| 33 | case 0x14: set_regop8(m_d.b.h); set_imm(); %ADD8; return; |
| 34 | case 0x15: set_regop8(m_d.b.l); set_imm(); %ADD8; return; |
| 35 | case 0x16: set_regop8(m_d.b.h); %INDEXED; %ADD8; return; |
| 36 | case 0x17: set_regop8(m_d.b.l); %INDEXED; %ADD8; return; |
| 37 | case 0x18: set_regop8(m_d.b.h); set_imm(); %ADC8; return; |
| 38 | case 0x19: set_regop8(m_d.b.l); set_imm(); %ADC8; return; |
| 39 | case 0x1A: set_regop8(m_d.b.h); %INDEXED; %ADC8; return; |
| 40 | case 0x1B: set_regop8(m_d.b.l); %INDEXED; %ADC8; return; |
| 41 | case 0x1C: set_regop8(m_d.b.h); set_imm(); %SUB8; return; |
| 42 | case 0x1D: set_regop8(m_d.b.l); set_imm(); %SUB8; return; |
| 43 | case 0x1E: set_regop8(m_d.b.h); %INDEXED; %SUB8; return; |
| 44 | case 0x1F: set_regop8(m_d.b.l); %INDEXED; %SUB8; return; |
| 45 | |
| 46 | case 0x20: set_regop8(m_d.b.h); set_imm(); %SBC8; return; |
| 47 | case 0x21: set_regop8(m_d.b.l); set_imm(); %SBC8; return; |
| 48 | case 0x22: set_regop8(m_d.b.h); %INDEXED; %SBC8; return; |
| 49 | case 0x23: set_regop8(m_d.b.l); %INDEXED; %SBC8; return; |
| 50 | case 0x24: set_regop8(m_d.b.h); set_imm(); %AND8; return; |
| 51 | case 0x25: set_regop8(m_d.b.l); set_imm(); %AND8; return; |
| 52 | case 0x26: set_regop8(m_d.b.h); %INDEXED; %AND8; return; |
| 53 | case 0x27: set_regop8(m_d.b.l); %INDEXED; %AND8; return; |
| 54 | case 0x28: set_regop8(m_d.b.h); set_imm(); %BIT8; return; |
| 55 | case 0x29: set_regop8(m_d.b.l); set_imm(); %BIT8; return; |
| 56 | case 0x2A: set_regop8(m_d.b.h); %INDEXED; %BIT8; return; |
| 57 | case 0x2B: set_regop8(m_d.b.l); %INDEXED; %BIT8; return; |
| 58 | case 0x2C: set_regop8(m_d.b.h); set_imm(); %EOR8; return; |
| 59 | case 0x2D: set_regop8(m_d.b.l); set_imm(); %EOR8; return; |
| 60 | case 0x2E: set_regop8(m_d.b.h); %INDEXED; %EOR8; return; |
| 61 | case 0x2F: set_regop8(m_d.b.l); %INDEXED; %EOR8; return; |
| 62 | |
| 63 | case 0x30: set_regop8(m_d.b.h); set_imm(); %OR8; return; |
| 64 | case 0x31: set_regop8(m_d.b.l); set_imm(); %OR8; return; |
| 65 | case 0x32: set_regop8(m_d.b.h); %INDEXED; %OR8; return; |
| 66 | case 0x33: set_regop8(m_d.b.l); %INDEXED; %OR8; return; |
| 67 | case 0x34: set_regop8(m_d.b.h); set_imm(); %CMP8; return; |
| 68 | case 0x35: set_regop8(m_d.b.l); set_imm(); %CMP8; return; |
| 69 | case 0x36: set_regop8(m_d.b.h); %INDEXED; %CMP8; return; |
| 70 | case 0x37: set_regop8(m_d.b.l); %INDEXED; %CMP8; return; |
| 71 | case 0x38: set_imm(); %SETLINE; return; |
| 72 | case 0x39: %INDEXED; %SETLINE; return; |
| 73 | case 0x3A: set_regop8(m_d.b.h); %INDEXED; %ST8; return; |
| 74 | case 0x3B: set_regop8(m_d.b.l); %INDEXED; %ST8; return; |
| 75 | case 0x3C: set_imm(); %ANDCC; return; |
| 76 | case 0x3D: set_imm(); %ORCC; return; |
| 77 | case 0x3E: %EXG; return; |
| 78 | case 0x3F: %TFR; return; |
| 79 | |
| 80 | case 0x40: set_regop16(m_d); set_imm(); %LD16; return; |
| 81 | case 0x41: set_regop16(m_d); %INDEXED; %LD16; return; |
| 82 | case 0x42: set_regop16(m_x); set_imm(); %LD16; return; |
| 83 | case 0x43: set_regop16(m_x); %INDEXED; %LD16; return; |
| 84 | case 0x44: set_regop16(m_y); set_imm(); %LD16; return; |
| 85 | case 0x45: set_regop16(m_y); %INDEXED; %LD16; return; |
| 86 | case 0x46: set_regop16(m_u); set_imm(); %LD16; return; |
| 87 | case 0x47: set_regop16(m_u); %INDEXED; %LD16; return; |
| 88 | case 0x48: set_regop16(m_s); set_imm(); %LD16; return; |
| 89 | case 0x49: set_regop16(m_s); %INDEXED; %LD16; return; |
| 90 | case 0x4A: set_regop16(m_d); set_imm(); %CMP16; return; |
| 91 | case 0x4B: set_regop16(m_d); %INDEXED; %CMP16; return; |
| 92 | case 0x4C: set_regop16(m_x); set_imm(); %CMP16; return; |
| 93 | case 0x4D: set_regop16(m_x); %INDEXED; %CMP16; return; |
| 94 | case 0x4E: set_regop16(m_y); set_imm(); %CMP16; return; |
| 95 | case 0x4F: set_regop16(m_y); %INDEXED; %CMP16; return; |
| 96 | |
| 97 | case 0x50: set_regop16(m_u); set_imm(); %CMP16; return; |
| 98 | case 0x51: set_regop16(m_u); %INDEXED; %CMP16; return; |
| 99 | case 0x52: set_regop16(m_s); set_imm(); %CMP16; return; |
| 100 | case 0x53: set_regop16(m_s); %INDEXED; %CMP16; return; |
| 101 | case 0x54: set_regop16(m_d); set_imm(); %ADD16; return; |
| 102 | case 0x55: set_regop16(m_d); %INDEXED; %ADD16; return; |
| 103 | case 0x56: set_regop16(m_d); set_imm(); %SUB16; return; |
| 104 | case 0x57: set_regop16(m_d); %INDEXED; %SUB16; return; |
| 105 | case 0x58: set_regop16(m_d); %INDEXED; %ST16; return; |
| 106 | case 0x59: set_regop16(m_x); %INDEXED; %ST16; return; |
| 107 | case 0x5A: set_regop16(m_y); %INDEXED; %ST16; return; |
| 108 | case 0x5B: set_regop16(m_u); %INDEXED; %ST16; return; |
| 109 | case 0x5C: set_regop16(m_s); %INDEXED; %ST16; return; |
| 110 | |
| 111 | case 0x60: set_cond(true); %BRANCH; return; |
| 112 | case 0x61: set_cond(cond_hi()); %BRANCH; return; |
| 113 | case 0x62: set_cond(cond_cc()); %BRANCH; return; |
| 114 | case 0x63: set_cond(cond_ne()); %BRANCH; return; |
| 115 | case 0x64: set_cond(cond_vc()); %BRANCH; return; |
| 116 | case 0x65: set_cond(cond_pl()); %BRANCH; return; |
| 117 | case 0x66: set_cond(cond_ge()); %BRANCH; return; |
| 118 | case 0x67: set_cond(cond_gt()); %BRANCH; return; |
| 119 | case 0x68: set_cond(true); %LBRANCH; return; |
| 120 | case 0x69: set_cond(cond_hi()); %LBRANCH; return; |
| 121 | case 0x6A: set_cond(cond_cc()); %LBRANCH; return; |
| 122 | case 0x6B: set_cond(cond_ne()); %LBRANCH; return; |
| 123 | case 0x6C: set_cond(cond_vc()); %LBRANCH; return; |
| 124 | case 0x6D: set_cond(cond_pl()); %LBRANCH; return; |
| 125 | case 0x6E: set_cond(cond_ge()); %LBRANCH; return; |
| 126 | case 0x6F: set_cond(cond_gt()); %LBRANCH; return; |
| 127 | |
| 128 | case 0x70: set_cond(false); %BRANCH; return; |
| 129 | case 0x71: set_cond(!cond_hi()); %BRANCH; return; |
| 130 | case 0x72: set_cond(!cond_cc()); %BRANCH; return; |
| 131 | case 0x73: set_cond(!cond_ne()); %BRANCH; return; |
| 132 | case 0x74: set_cond(!cond_vc()); %BRANCH; return; |
| 133 | case 0x75: set_cond(!cond_pl()); %BRANCH; return; |
| 134 | case 0x76: set_cond(!cond_ge()); %BRANCH; return; |
| 135 | case 0x77: set_cond(!cond_gt()); %BRANCH; return; |
| 136 | case 0x78: set_cond(false); %LBRANCH; return; |
| 137 | case 0x79: set_cond(!cond_hi()); %LBRANCH; return; |
| 138 | case 0x7A: set_cond(!cond_cc()); %LBRANCH; return; |
| 139 | case 0x7B: set_cond(!cond_ne()); %LBRANCH; return; |
| 140 | case 0x7C: set_cond(!cond_vc()); %LBRANCH; return; |
| 141 | case 0x7D: set_cond(!cond_pl()); %LBRANCH; return; |
| 142 | case 0x7E: set_cond(!cond_ge()); %LBRANCH; return; |
| 143 | case 0x7F: set_cond(!cond_gt()); %LBRANCH; return; |
| 144 | |
| 145 | case 0x80: set_a(); %CLR8; return; |
| 146 | case 0x81: set_b(); %CLR8; return; |
| 147 | case 0x82: %INDEXED; %CLR8; return; |
| 148 | case 0x83: set_a(); %COM8; return; |
| 149 | case 0x84: set_b(); %COM8; return; |
| 150 | case 0x85: %INDEXED; %COM8; return; |
| 151 | case 0x86: set_a(); %NEG8; return; |
| 152 | case 0x87: set_b(); %NEG8; return; |
| 153 | case 0x88: %INDEXED; %NEG8; return; |
| 154 | case 0x89: set_a(); %INC8; return; |
| 155 | case 0x8A: set_b(); %INC8; return; |
| 156 | case 0x8B: %INDEXED; %INC8; return; |
| 157 | case 0x8C: set_a(); %DEC8; return; |
| 158 | case 0x8D: set_b(); %DEC8; return; |
| 159 | case 0x8E: %INDEXED; %DEC8; return; |
| 160 | case 0x8F: %RTS; return; |
| 161 | |
| 162 | case 0x90: set_a(); %TST8; return; |
| 163 | case 0x91: set_b(); %TST8; return; |
| 164 | case 0x92: %INDEXED; %TST8; return; |
| 165 | case 0x93: set_a(); %LSR8; return; |
| 166 | case 0x94: set_b(); %LSR8; return; |
| 167 | case 0x95: %INDEXED; %LSR8; return; |
| 168 | case 0x96: set_a(); %ROR8; return; |
| 169 | case 0x97: set_b(); %ROR8; return; |
| 170 | case 0x98: %INDEXED; %ROR8; return; |
| 171 | case 0x99: set_a(); %ASR8; return; |
| 172 | case 0x9A: set_b(); %ASR8; return; |
| 173 | case 0x9B: %INDEXED; %ASR8; return; |
| 174 | case 0x9C: set_a(); %ASL8; return; |
| 175 | case 0x9D: set_b(); %ASL8; return; |
| 176 | case 0x9E: %INDEXED; %ASL8; return; |
| 177 | case 0x9F: %RTI; return; |
| 178 | |
| 179 | case 0xA0: set_a(); %ROL8; return; |
| 180 | case 0xA1: set_b(); %ROL8; return; |
| 181 | case 0xA2: %INDEXED; %ROL8; return; |
| 182 | case 0xA3: %INDEXED; %LSR16; return; |
| 183 | case 0xA4: %INDEXED; %ROR16; return; |
| 184 | case 0xA5: %INDEXED; %ASR16; return; |
| 185 | case 0xA6: %INDEXED; %ASL16; return; |
| 186 | case 0xA7: %INDEXED; %ROL16; return; |
| 187 | case 0xA8: %INDEXED; %JMP; return; |
| 188 | case 0xA9: %INDEXED; %JSR; return; |
| 189 | case 0xAA: %BSR; return; |
| 190 | case 0xAB: %LBSR; return; |
| 191 | case 0xAC: %DECBJNZ; return; |
| 192 | case 0xAD: %DECXJNZ; return; |
| 193 | case 0xAE: %NOP; return; |
| 194 | |
| 195 | case 0xB0: %ABX; return; |
| 196 | case 0xB1: %DAA; return; |
| 197 | case 0xB2: %SEX; return; |
| 198 | case 0xB3: %MUL; return; |
| 199 | case 0xB4: %LMUL; return; |
| 200 | case 0xB5: %DIVX; return; |
| 201 | case 0xB6: %BMOVE; return; |
| 202 | case 0xB7: %MOVE; return; |
| 203 | case 0xB8: %LSRD; return; |
| 204 | case 0xB9: %INDEXED; %LSRD; return; |
| 205 | case 0xBA: %RORD; return; |
| 206 | case 0xBB: %INDEXED; %RORD; return; |
| 207 | case 0xBC: %ASRD; return; |
| 208 | case 0xBD: %INDEXED; %ASRD; return; |
| 209 | case 0xBE: %ASLD; return; |
| 210 | case 0xBF: %INDEXED; %ASLD; return; |
| 211 | |
| 212 | case 0xC0: %ROLD; return; |
| 213 | case 0xC2: set_d(); %CLR16; return; |
| 214 | case 0xC4: set_d(); %NEG16; return; |
| 215 | case 0xC6: set_d(); %INC16; return; |
| 216 | case 0xC8: set_d(); %DEC16; return; |
| 217 | case 0xCA: set_d(); %TST16; return; |
| 218 | case 0xCC: set_a(); %ABS8; return; |
| 219 | case 0xCD: set_b(); %ABS8; return; |
| 220 | case 0xCE: set_d(); %ABS16; return; |
| 221 | case 0xCF: %BSET; return; |
| 222 | |
| 223 | case 0xD0: %BSET2; return; |
| 224 | default: %ILLEGAL; return; |
| 225 | } |
| 226 | return; |
| 227 | |
| 228 | #include "base6x09.ops" |
| 229 | |
| 230 | PUSH_REGISTERS: |
| 231 | if (m_temp.w & 0x80) |
| 232 | { |
| 233 | @write_memory(--regop16().w, m_pc.b.l); |
| 234 | @write_memory(--regop16().w, m_pc.b.h); |
| 235 | nop(); |
| 236 | } |
| 237 | if (m_temp.w & 0x40) |
| 238 | { |
| 239 | @write_memory(--regop16().w, (®op16() == &m_s) ? m_u.b.l : m_s.b.l); |
| 240 | @write_memory(--regop16().w, (®op16() == &m_s) ? m_u.b.h : m_s.b.h); |
| 241 | nop(); |
| 242 | } |
| 243 | if (m_temp.w & 0x20) |
| 244 | { |
| 245 | @write_memory(--regop16().w, m_y.b.l); |
| 246 | @write_memory(--regop16().w, m_y.b.h); |
| 247 | nop(); |
| 248 | } |
| 249 | if (m_temp.w & 0x10) |
| 250 | { |
| 251 | @write_memory(--regop16().w, m_x.b.l); |
| 252 | @write_memory(--regop16().w, m_x.b.h); |
| 253 | nop(); |
| 254 | } |
| 255 | if (m_temp.w & 0x08) |
| 256 | { |
| 257 | @write_memory(--regop16().w, m_dp); |
| 258 | nop(); |
| 259 | } |
| 260 | if (m_temp.w & 0x04) |
| 261 | { |
| 262 | @write_memory(--regop16().w, m_d.b.l); |
| 263 | nop(); |
| 264 | } |
| 265 | if (m_temp.w & 0x02) |
| 266 | { |
| 267 | @write_memory(--regop16().w, m_d.b.h); |
| 268 | nop(); |
| 269 | } |
| 270 | if (m_temp.w & 0x01) |
| 271 | { |
| 272 | @write_memory(--regop16().w, m_cc); |
| 273 | nop(); |
| 274 | } |
| 275 | return; |
| 276 | |
| 277 | PULL_REGISTERS: |
| 278 | if (m_temp.w & 0x01) |
| 279 | { |
| 280 | @m_cc = read_memory(regop16().w++); |
| 281 | nop(); |
| 282 | } |
| 283 | if (m_temp.w & 0x02) |
| 284 | { |
| 285 | @m_d.b.h = read_memory(regop16().w++); |
| 286 | nop(); |
| 287 | } |
| 288 | if (m_temp.w & 0x04) |
| 289 | { |
| 290 | @m_d.b.l = read_memory(regop16().w++); |
| 291 | nop(); |
| 292 | } |
| 293 | if (m_temp.w & 0x08) |
| 294 | { |
| 295 | @m_dp = read_memory(regop16().w++); |
| 296 | nop(); |
| 297 | } |
| 298 | if (m_temp.w & 0x10) |
| 299 | { |
| 300 | @m_x.b.h = read_memory(regop16().w++); |
| 301 | @m_x.b.l = read_memory(regop16().w++); |
| 302 | nop(); |
| 303 | } |
| 304 | if (m_temp.w & 0x20) |
| 305 | { |
| 306 | @m_y.b.h = read_memory(regop16().w++); |
| 307 | @m_y.b.l = read_memory(regop16().w++); |
| 308 | nop(); |
| 309 | } |
| 310 | if (m_temp.w & 0x40) |
| 311 | { |
| 312 | @(®op16() == &m_s ? m_u : m_s).b.h = read_memory(regop16().w++); |
| 313 | @(®op16() == &m_s ? m_u : m_s).b.l = read_memory(regop16().w++); |
| 314 | nop(); |
| 315 | } |
| 316 | if (m_temp.w & 0x80) |
| 317 | { |
| 318 | @m_pc.b.h = read_memory(regop16().w++); |
| 319 | @m_pc.b.l = read_memory(regop16().w++); |
| 320 | nop(); |
| 321 | } |
| 322 | @eat(1); |
| 323 | return; |
| 324 | |
| 325 | INDEXED: |
| 326 | @m_opcode = read_opcode_arg(); |
| 327 | switch(m_opcode & 0xF7) |
| 328 | { |
| 329 | case 0x07: |
| 330 | // extended addressing mode |
| 331 | @m_temp.b.h = read_opcode_arg(); |
| 332 | @m_temp.b.l = read_opcode_arg(); |
| 333 | break; |
| 334 | |
| 335 | case 0x20: case 0x30: case 0x50: case 0x60: case 0x70: |
| 336 | // auto increment |
| 337 | m_temp.w = ireg(); |
| 338 | ireg()++; |
| 339 | eat(2); |
| 340 | break; |
| 341 | |
| 342 | case 0x21: case 0x31: case 0x51: case 0x61: case 0x71: |
| 343 | // double auto increment |
| 344 | m_temp.w = ireg(); |
| 345 | ireg() += 2; |
| 346 | eat(3); |
| 347 | break; |
| 348 | |
| 349 | case 0x22: case 0x32: case 0x52: case 0x62: case 0x72: |
| 350 | // auto decrement |
| 351 | ireg()--; |
| 352 | m_temp.w = ireg(); |
| 353 | eat(2); |
| 354 | break; |
| 355 | |
| 356 | case 0x23: case 0x33: case 0x53: case 0x63: case 0x73: |
| 357 | // double auto decrement |
| 358 | ireg() -= 2; |
| 359 | m_temp.w = ireg(); |
| 360 | eat(3); |
| 361 | break; |
| 362 | |
| 363 | case 0x24: case 0x34: case 0x54: case 0x64: case 0x74: |
| 364 | // postbyte offset |
| 365 | @m_temp.b.l = read_opcode_arg(); |
| 366 | m_temp.w = ireg() + (INT8) m_temp.b.l; |
| 367 | eat(1); |
| 368 | break; |
| 369 | |
| 370 | case 0x25: case 0x35: case 0x55: case 0x65: case 0x75: |
| 371 | // postword offset |
| 372 | @m_temp.b.h = read_opcode_arg(); |
| 373 | @m_temp.b.l = read_opcode_arg(); |
| 374 | m_temp.w = ireg() + (INT16) m_temp.w; |
| 375 | eat(2); |
| 376 | break; |
| 377 | |
| 378 | case 0x26: case 0x36: case 0x56: case 0x66: case 0x76: |
| 379 | m_temp.w = ireg(); |
| 380 | break; |
| 381 | |
| 382 | case 0xC4: |
| 383 | // direct addressing mode |
| 384 | m_temp.b.h = m_dp; |
| 385 | @m_temp.b.l = read_opcode_arg(); |
| 386 | break; |
| 387 | |
| 388 | case 0xA0: case 0xB0: case 0xD0: case 0xE0: case 0xF0: |
| 389 | // relative to register A |
| 390 | m_temp.w = ireg() + (INT8) m_d.b.h; |
| 391 | @eat(1); |
| 392 | break; |
| 393 | |
| 394 | case 0xA1: case 0xB1: case 0xD1: case 0xE1: case 0xF1: |
| 395 | // relative to register B |
| 396 | m_temp.w = ireg() + (INT8) m_d.b.l; |
| 397 | @eat(1); |
| 398 | break; |
| 399 | |
| 400 | case 0xA7: case 0xB7: case 0xD7: case 0xE7: case 0xF7: |
| 401 | // relative to register D |
| 402 | m_temp.w = ireg() + (INT16) m_d.w; |
| 403 | @eat(4); |
| 404 | break; |
| 405 | |
| 406 | default: |
| 407 | logerror("KONAMI: Unknown/Invalid postbyte at PC = %04x\n", m_pc.w - 1); |
| 408 | m_temp.w = 0; |
| 409 | break; |
| 410 | } |
| 411 | |
| 412 | if (m_opcode & 0x08) |
| 413 | { |
| 414 | // indirect mode |
| 415 | set_ea(m_temp.w); |
| 416 | @m_temp.b.h = read_operand(0); |
| 417 | @m_temp.b.l = read_operand(1); |
| 418 | nop(); |
| 419 | } |
| 420 | |
| 421 | set_ea(m_temp.w); |
| 422 | return; |
| 423 | |
| 424 | SETLINE: |
| 425 | @set_lines(read_operand()); |
| 426 | return; |
| 427 | |
| 428 | MOVE: |
| 429 | @m_temp.b.l = read_memory(m_y.w++); |
| 430 | @write_memory(m_x.w++, m_temp.b.l); |
| 431 | m_u.w--; |
| 432 | return; |
| 433 | |
| 434 | BMOVE: |
| 435 | // BMOVE does not appear to be interruptable, at least judging from the |
| 436 | // old implementation |
| 437 | while(m_u.w != 0) |
| 438 | { |
| 439 | @m_temp.b.l = read_memory(m_y.w++); |
| 440 | @write_memory(m_x.w++, m_temp.b.l); |
| 441 | m_u.w--; |
| 442 | } |
| 443 | return; |
| 444 | |
| 445 | BSET: |
| 446 | // BSET does not appear to be interruptable, at least judging from the |
| 447 | // old implementation |
| 448 | while(m_u.w != 0) |
| 449 | { |
| 450 | @eat(1); |
| 451 | @write_memory(m_x.w++, m_d.b.h); |
| 452 | m_u.w--; |
| 453 | } |
| 454 | return; |
| 455 | |
| 456 | BSET2: |
| 457 | // BSET2 does not appear to be interruptable, at least judging from the |
| 458 | // old implementation |
| 459 | while(m_u.w != 0) |
| 460 | { |
| 461 | @eat(1); |
| 462 | @write_memory(m_x.w++, m_d.b.h); |
| 463 | @write_memory(m_x.w++, m_d.b.l); |
| 464 | m_u.w--; |
| 465 | } |
| 466 | return; |
| 467 | |
| 468 | DECXJNZ: |
| 469 | // not sure if this affects V? |
| 470 | m_x.w = set_flags<UINT16>(CC_NZV, m_x.w, 1, m_x.w - 1); |
| 471 | @eat(1); |
| 472 | set_cond(cond_ne()); |
| 473 | goto BRANCH; |
| 474 | |
| 475 | DECBJNZ: |
| 476 | // not sure if this affects V? |
| 477 | m_d.b.l = set_flags<UINT8>(CC_NZV, m_d.b.l, 1, m_d.b.l - 1); |
| 478 | @eat(1); |
| 479 | set_cond(cond_ne()); |
| 480 | goto BRANCH; |
| 481 | |
| 482 | LSRD: |
| 483 | @m_temp.b.l = read_operand(); |
| 484 | if (m_temp.b.l != 0x00) |
| 485 | { |
| 486 | // set C condition code |
| 487 | if (m_d.w & safe_shift_left(1, m_temp.b.l)) |
| 488 | m_cc |= CC_C; |
| 489 | else |
| 490 | m_cc &= ~CC_C; |
| 491 | |
| 492 | m_d.w = set_flags<UINT16>(CC_NZ, safe_shift_right<UINT16>(m_d.w, m_temp.b.l)); |
| 493 | } |
| 494 | eat(1); |
| 495 | return; |
| 496 | |
| 497 | ASLD: |
| 498 | @m_temp.b.l = read_operand(); |
| 499 | if (m_temp.b.l != 0x00) |
| 500 | { |
| 501 | // set C condition code |
| 502 | if (m_d.w & safe_shift_right(0x10000, m_temp.b.l)) |
| 503 | m_cc |= CC_C; |
| 504 | else |
| 505 | m_cc &= ~CC_C; |
| 506 | |
| 507 | m_d.w = set_flags<UINT16>(CC_NZV, safe_shift_left<INT16>(m_d.w, m_temp.b.l)); |
| 508 | } |
| 509 | eat(1); |
| 510 | return; |
| 511 | |
| 512 | ASRD: |
| 513 | @m_temp.b.l = read_operand(); |
| 514 | if (m_temp.b.l != 0x00) |
| 515 | { |
| 516 | // set C condition code |
| 517 | if (m_d.w & safe_shift_left(1, m_temp.b.l)) |
| 518 | m_cc |= CC_C; |
| 519 | else |
| 520 | m_cc &= ~CC_C; |
| 521 | |
| 522 | m_d.w = set_flags<UINT16>(CC_NZ, safe_shift_right<INT16>(m_d.w, m_temp.b.l)); |
| 523 | } |
| 524 | eat(1); |
| 525 | return; |
| 526 | |
| 527 | ROLD: |
| 528 | @m_temp.b.l = read_operand(); |
| 529 | |
| 530 | // doing this as a loop is lame |
| 531 | while(m_temp.b.l--) |
| 532 | m_temp.w = set_flags<UINT16>(CC_NZ, rotate_left(m_temp.w)); |
| 533 | |
| 534 | eat(1); |
| 535 | return; |
| 536 | |
| 537 | RORD: |
| 538 | @m_temp.b.l = read_operand(); |
| 539 | |
| 540 | // doing this as a loop is lame |
| 541 | while(m_temp.b.l--) |
| 542 | m_temp.w = set_flags<UINT16>(CC_NZ, rotate_right(m_temp.w)); |
| 543 | |
| 544 | eat(1); |
| 545 | return; |
| 546 | |
| 547 | ABS8: |
| 548 | @m_temp.b.l = read_operand(); |
| 549 | m_temp.b.l = set_flags<UINT8>(CC_NZVC, 0, m_temp.b.l, ((INT8) m_temp.b.l) >= 0 ? m_temp.b.l : -m_temp.b.l); |
| 550 | @eat(1); |
| 551 | write_operand(m_temp.b.l); |
| 552 | return; |
| 553 | |
| 554 | ABS16: |
| 555 | @m_temp.b.h = read_operand(0); |
| 556 | @m_temp.b.l = read_operand(1); |
| 557 | m_temp.w = set_flags<UINT16>(CC_NZVC, 0, m_temp.w, ((INT8) m_temp.w) >= 0 ? m_temp.w : -m_temp.w); |
| 558 | @eat(1); |
| 559 | @write_operand(0, m_temp.b.h); |
| 560 | write_operand(1, m_temp.b.l); |
| 561 | return; |
| 562 | |
| 563 | LMUL: |
| 564 | lmul(); |
| 565 | eat(21); |
| 566 | return; |
| 567 | |
| 568 | DIVX: |
| 569 | divx(); |
| 570 | eat(10); |
| 571 | return; |
| 572 | |
| 573 | ILLEGAL: |
| 574 | log_illegal(); |
| 575 | return; |
trunk/src/emu/cpu/m6809/hd6309.c
| r0 | r21565 | |
| 1 | /********************************************************************* |
| 2 | |
| 3 | hd6309.c |
| 4 | |
| 5 | Copyright John Butler |
| 6 | Copyright Tim Lindner |
| 7 | |
| 8 | References: |
| 9 | |
| 10 | HD63B09EP Technical Reference Guide, by Chet Simpson with addition |
| 11 | by Alan Dekok |
| 12 | 6809 Simulator V09, By L.C. Benschop, Eidnhoven The Netherlands. |
| 13 | |
| 14 | m6809: Portable 6809 emulator, DS (6809 code in MAME, derived from |
| 15 | the 6809 Simulator V09) |
| 16 | |
| 17 | 6809 Microcomputer Programming & Interfacing with Experiments" |
| 18 | by Andrew C. Staugaard, Jr.; Howard W. Sams & Co., Inc. |
| 19 | |
| 20 | System dependencies: UINT16 must be 16 bit unsigned int |
| 21 | UINT8 must be 8 bit unsigned int |
| 22 | UINT32 must be more than 16 bits |
| 23 | arrays up to 65536 bytes must be supported |
| 24 | machine must be twos complement |
| 25 | |
| 26 | History: |
| 27 | |
| 28 | March 2013 NPW: |
| 29 | Rewrite of 6809/6309/Konami CPU; attempted to make cycle exact. |
| 30 | |
| 31 | 070614 ZV: |
| 32 | Fixed N flag setting in DIV overflow |
| 33 | |
| 34 | 991026 HJB: |
| 35 | Fixed missing calls to cpu_changepc() for the TFR and EXG ocpodes. |
| 36 | Replaced m6809_slapstic checks by a macro (CHANGE_PC). ESB still |
| 37 | needs the tweaks. |
| 38 | |
| 39 | 991024 HJB: |
| 40 | Tried to improve speed: Using bit7 of cycles1/2 as flag for multi |
| 41 | byte opcodes is gone, those opcodes now call fetch_effective_address(). |
| 42 | Got rid of the slow/fast flags for stack (S and U) memory accesses. |
| 43 | Minor changes to use 32 bit values as arguments to memory functions |
| 44 | and added defines for that purpose (e.g. X = 16bit XD = 32bit). |
| 45 | |
| 46 | 990312 HJB: |
| 47 | Added bugfixes according to Aaron's findings. |
| 48 | Reset only sets CC_II and CC_IF, DP to zero and PC from reset vector. |
| 49 | 990311 HJB: |
| 50 | Added _info functions. Now uses static m6808_Regs struct instead |
| 51 | of single statics. Changed the 16 bit registers to use the generic |
| 52 | PAIR union. Registers defined using macros. Split the core into |
| 53 | four execution loops for M6802, M6803, M6808 and HD63701. |
| 54 | TST, TSTA and TSTB opcodes reset carry flag. |
| 55 | Modified the read/write stack handlers to push LSB first then MSB |
| 56 | and pull MSB first then LSB. |
| 57 | |
| 58 | 990228 HJB: |
| 59 | Changed the interrupt handling again. Now interrupts are taken |
| 60 | either right at the moment the lines are asserted or whenever |
| 61 | an interrupt is enabled and the corresponding line is still |
| 62 | asserted. That way the pending_interrupts checks are not |
| 63 | needed anymore. However, the CWAI and SYNC flags still need |
| 64 | some flags, so I changed the name to 'int_state'. |
| 65 | This core also has the code for the old interrupt system removed. |
| 66 | |
| 67 | 990225 HJB: |
| 68 | Cleaned up the code here and there, added some comments. |
| 69 | Slightly changed the SAR opcodes (similiar to other CPU cores). |
| 70 | Added symbolic names for the flag bits. |
| 71 | Changed the way CWAI/Interrupt() handle CPU state saving. |
| 72 | A new flag M6809_STATE in pending_interrupts is used to determine |
| 73 | if a state save is needed on interrupt entry or already done by CWAI. |
| 74 | Added M6809_IRQ_LINE and M6809_FIRQ_LINE defines to m6809.h |
| 75 | Moved the internal interrupt_pending flags from m6809.h to m6809.c |
| 76 | Changed CWAI cycles2[0x3c] to be 2 (plus all or at least 19 if |
| 77 | CWAI actually pushes the entire state). |
| 78 | Implemented undocumented TFR/EXG for undefined source and mixed 8/16 |
| 79 | bit transfers (they should transfer/exchange the constant $ff). |
| 80 | Removed unused jmp/jsr _slap functions from 6809ops.c, |
| 81 | m6809_slapstick check moved into the opcode functions. |
| 82 | |
| 83 | 000809 TJL: |
| 84 | Started converting m6809 into hd6309 |
| 85 | |
| 86 | 001217 TJL: |
| 87 | Finished: |
| 88 | All opcodes |
| 89 | Dual Timing |
| 90 | To Do: |
| 91 | Verify new DIV opcodes. |
| 92 | |
| 93 | 070805 TJL: |
| 94 | Fixed ADDR and ADCR opcodes not to clear the H condition code. Fixed ANDR, |
| 95 | EORR, ORR, ADDR, ADCR, SBCR, and SUBR to evaluate condition codes after |
| 96 | the destination register was set. Fixed BITMD opcode to only effect the Z |
| 97 | condition code. Fixed BITMD opcode to clear only tested flags. Fixed EXG |
| 98 | and TFR register promotion and demotion. Fixed illegal instruction handler |
| 99 | to not set I and F condition codes. Credit to Darren Atkinson for the |
| 100 | discovery of these bugs. |
| 101 | |
| 102 | 090907 TJL: |
| 103 | The SEXW instruction is clearing the Overflow flag (V). It should not do |
| 104 | that. When an invalid source or destination register is specified for |
| 105 | the TFM instructions, real hardware invokes the Illegal Instruction |
| 106 | trap, whereas the emulator simply ignores the instruction. Credit to |
| 107 | Darren Atkinson for the discovery of these bugs. |
| 108 | |
| 109 | *****************************************************************************/ |
| 110 | |
| 111 | #include "emu.h" |
| 112 | #include "debugger.h" |
| 113 | #include "hd6309.h" |
| 114 | #include "m6809inl.h" |
| 115 | |
| 116 | |
| 117 | //************************************************************************** |
| 118 | // DEVICE INTERFACE |
| 119 | //************************************************************************** |
| 120 | |
| 121 | const device_type HD6309 = &device_creator<hd6309_device>; |
| 122 | |
| 123 | |
| 124 | //------------------------------------------------- |
| 125 | // hd6309_device - constructor |
| 126 | //------------------------------------------------- |
| 127 | |
| 128 | hd6309_device::hd6309_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) |
| 129 | : m6809_base_device(mconfig, "HD6309", tag, owner, clock, HD6309, 4) |
| 130 | { |
| 131 | } |
| 132 | |
| 133 | |
| 134 | //------------------------------------------------- |
| 135 | // device_start - device-specific startup |
| 136 | //------------------------------------------------- |
| 137 | |
| 138 | void hd6309_device::device_start() |
| 139 | { |
| 140 | super::device_start(); |
| 141 | |
| 142 | // register our state for the debugger |
| 143 | state_add(HD6309_E, "E", m_w.b.h).mask(0xff); |
| 144 | state_add(HD6309_F, "F", m_w.b.l).mask(0xff); |
| 145 | state_add(HD6309_W, "W", m_w.w).mask(0xffff); |
| 146 | state_add(HD6309_V, "V", m_w.w).mask(0xffff); |
| 147 | state_add(HD6309_MD, "MD", m_md).mask(0xff); |
| 148 | |
| 149 | // initialize variables |
| 150 | m_w.w = 0x0000; |
| 151 | m_v.w = 0x0000; |
| 152 | m_md = 0x00; |
| 153 | m_temp_im = 0x00; |
| 154 | |
| 155 | // setup regtable |
| 156 | save_item(NAME(m_w.w)); |
| 157 | save_item(NAME(m_v.w)); |
| 158 | save_item(NAME(m_md)); |
| 159 | save_item(NAME(m_temp_im)); |
| 160 | } |
| 161 | |
| 162 | |
| 163 | |
| 164 | //------------------------------------------------- |
| 165 | // device_reset - device-specific reset |
| 166 | //------------------------------------------------- |
| 167 | |
| 168 | void hd6309_device::device_reset() |
| 169 | { |
| 170 | super::device_reset(); |
| 171 | |
| 172 | // initialize variables |
| 173 | m_md = 0x00; |
| 174 | } |
| 175 | |
| 176 | |
| 177 | |
| 178 | //------------------------------------------------- |
| 179 | // disasm_min_opcode_bytes - return the length |
| 180 | // of the shortest instruction, in bytes |
| 181 | //------------------------------------------------- |
| 182 | |
| 183 | UINT32 hd6309_device::disasm_min_opcode_bytes() const |
| 184 | { |
| 185 | return 1; |
| 186 | } |
| 187 | |
| 188 | |
| 189 | |
| 190 | //------------------------------------------------- |
| 191 | // disasm_max_opcode_bytes - return the length |
| 192 | // of the longest instruction, in bytes |
| 193 | //------------------------------------------------- |
| 194 | |
| 195 | UINT32 hd6309_device::disasm_max_opcode_bytes() const |
| 196 | { |
| 197 | return 5; |
| 198 | } |
| 199 | |
| 200 | |
| 201 | |
| 202 | //------------------------------------------------- |
| 203 | // disasm_disassemble - call the disassembly |
| 204 | // helper function |
| 205 | //------------------------------------------------- |
| 206 | |
| 207 | offs_t hd6309_device::disasm_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options) |
| 208 | { |
| 209 | extern offs_t hd6309_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options); |
| 210 | return hd6309_disassemble(buffer, pc, oprom, opram, options); |
| 211 | } |
| 212 | |
| 213 | |
| 214 | |
| 215 | //------------------------------------------------- |
| 216 | // read_operand |
| 217 | //------------------------------------------------- |
| 218 | |
| 219 | ATTR_FORCE_INLINE UINT8 hd6309_device::read_operand() |
| 220 | { |
| 221 | switch(m_addressing_mode) |
| 222 | { |
| 223 | case ADDRESSING_MODE_EA: return read_memory(m_ea.w); |
| 224 | case ADDRESSING_MODE_IMMEDIATE: return read_opcode_arg(); |
| 225 | case ADDRESSING_MODE_REGISTER_A: return m_d.b.h; |
| 226 | case ADDRESSING_MODE_REGISTER_B: return m_d.b.l; |
| 227 | case ADDRESSING_MODE_REGISTER_E: return m_w.b.h; |
| 228 | case ADDRESSING_MODE_REGISTER_F: return m_w.b.l; |
| 229 | default: fatalerror("Unexpected"); return 0x00; |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | |
| 234 | //------------------------------------------------- |
| 235 | // read_operand |
| 236 | //------------------------------------------------- |
| 237 | |
| 238 | ATTR_FORCE_INLINE UINT8 hd6309_device::read_operand(int ordinal) |
| 239 | { |
| 240 | switch(m_addressing_mode) |
| 241 | { |
| 242 | case ADDRESSING_MODE_EA: return read_memory(m_ea.w + ordinal); |
| 243 | case ADDRESSING_MODE_IMMEDIATE: return read_opcode_arg(); |
| 244 | case ADDRESSING_MODE_REGISTER_D: return (ordinal & 1) ? m_d.b.l : m_d.b.h; |
| 245 | case ADDRESSING_MODE_REGISTER_W: return (ordinal & 1) ? m_w.b.l : m_w.b.h; |
| 246 | case ADDRESSING_MODE_REGISTER_X: return (ordinal & 1) ? m_x.b.l : m_x.b.h; |
| 247 | case ADDRESSING_MODE_REGISTER_Y: return (ordinal & 1) ? m_y.b.l : m_y.b.h; |
| 248 | case ADDRESSING_MODE_REGISTER_U: return (ordinal & 1) ? m_u.b.l : m_u.b.h; |
| 249 | case ADDRESSING_MODE_REGISTER_S: return (ordinal & 1) ? m_s.b.l : m_s.b.h; |
| 250 | case ADDRESSING_MODE_REGISTER_V: return (ordinal & 1) ? m_v.b.l : m_v.b.h; |
| 251 | case ADDRESSING_MODE_REGISTER_PC: return (ordinal & 1) ? m_pc.b.l : m_pc.b.h; |
| 252 | case ADDRESSING_MODE_ZERO: return 0x00; |
| 253 | default: fatalerror("Unexpected"); return 0x00; |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | |
| 258 | //------------------------------------------------- |
| 259 | // write_operand |
| 260 | //------------------------------------------------- |
| 261 | |
| 262 | ATTR_FORCE_INLINE void hd6309_device::write_operand(UINT8 data) |
| 263 | { |
| 264 | switch(m_addressing_mode) |
| 265 | { |
| 266 | case ADDRESSING_MODE_EA: write_memory(m_ea.w, data); break; |
| 267 | case ADDRESSING_MODE_REGISTER_A: m_d.b.h = data; break; |
| 268 | case ADDRESSING_MODE_REGISTER_B: m_d.b.l = data; break; |
| 269 | case ADDRESSING_MODE_REGISTER_E: m_w.b.h = data; break; |
| 270 | case ADDRESSING_MODE_REGISTER_F: m_w.b.l = data; break; |
| 271 | case ADDRESSING_MODE_ZERO: break; |
| 272 | default: fatalerror("Unexpected"); break; |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | |
| 277 | //------------------------------------------------- |
| 278 | // write_operand |
| 279 | //------------------------------------------------- |
| 280 | |
| 281 | ATTR_FORCE_INLINE void hd6309_device::write_operand(int ordinal, UINT8 data) |
| 282 | { |
| 283 | switch(m_addressing_mode) |
| 284 | { |
| 285 | case ADDRESSING_MODE_EA: write_memory(m_ea.w + ordinal, data); break; |
| 286 | case ADDRESSING_MODE_REGISTER_D: *((ordinal & 1) ? &m_d.b.l : &m_d.b.h) = data; break; |
| 287 | case ADDRESSING_MODE_REGISTER_W: *((ordinal & 1) ? &m_w.b.l : &m_w.b.h) = data; break; |
| 288 | case ADDRESSING_MODE_REGISTER_X: *((ordinal & 1) ? &m_x.b.l : &m_x.b.h) = data; break; |
| 289 | case ADDRESSING_MODE_REGISTER_Y: *((ordinal & 1) ? &m_y.b.l : &m_y.b.h) = data; break; |
| 290 | case ADDRESSING_MODE_REGISTER_U: *((ordinal & 1) ? &m_u.b.l : &m_u.b.h) = data; break; |
| 291 | case ADDRESSING_MODE_REGISTER_S: *((ordinal & 1) ? &m_s.b.l : &m_s.b.h) = data; break; |
| 292 | case ADDRESSING_MODE_REGISTER_V: *((ordinal & 1) ? &m_v.b.l : &m_v.b.h) = data; break; |
| 293 | case ADDRESSING_MODE_REGISTER_PC: *((ordinal & 1) ? &m_pc.b.l : &m_pc.b.h) = data; break; |
| 294 | case ADDRESSING_MODE_ZERO: break; |
| 295 | default: fatalerror("Unexpected"); break; |
| 296 | } |
| 297 | } |
| 298 | |
| 299 | |
| 300 | //------------------------------------------------- |
| 301 | // bittest_register |
| 302 | //------------------------------------------------- |
| 303 | |
| 304 | ATTR_FORCE_INLINE UINT8 &hd6309_device::bittest_register() |
| 305 | { |
| 306 | switch(m_temp_im & 0xC0) |
| 307 | { |
| 308 | case 0x00: return m_cc; |
| 309 | case 0x40: return m_d.b.h; |
| 310 | case 0x80: return m_d.b.l; |
| 311 | default: return m_temp.b.l; |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | |
| 316 | //------------------------------------------------- |
| 317 | // bittest_source |
| 318 | //------------------------------------------------- |
| 319 | |
| 320 | ATTR_FORCE_INLINE bool hd6309_device::bittest_source() |
| 321 | { |
| 322 | return (m_temp.b.l & (1 << ((m_temp_im >> 3) & 0x07))) ? true : false; |
| 323 | } |
| 324 | |
| 325 | |
| 326 | //------------------------------------------------- |
| 327 | // bittest_dest |
| 328 | //------------------------------------------------- |
| 329 | |
| 330 | ATTR_FORCE_INLINE bool hd6309_device::bittest_dest() |
| 331 | { |
| 332 | return (bittest_register() & (1 << ((m_temp_im >> 0) & 0x07))) ? true : false; |
| 333 | } |
| 334 | |
| 335 | |
| 336 | //------------------------------------------------- |
| 337 | // bittest_set |
| 338 | //------------------------------------------------- |
| 339 | |
| 340 | ATTR_FORCE_INLINE void hd6309_device::bittest_set(bool result) |
| 341 | { |
| 342 | if (result) |
| 343 | bittest_register() |= (1 << ((m_temp_im >> 0) & 0x07)); |
| 344 | else |
| 345 | bittest_register() &= ~(1 << ((m_temp_im >> 0) & 0x07)); |
| 346 | eat(4); |
| 347 | } |
| 348 | |
| 349 | |
| 350 | //------------------------------------------------- |
| 351 | // read_exgtfr_register |
| 352 | //------------------------------------------------- |
| 353 | |
| 354 | ATTR_FORCE_INLINE m6809_base_device::exgtfr_register hd6309_device::read_exgtfr_register(UINT8 reg) |
| 355 | { |
| 356 | UINT16 value = 0; |
| 357 | |
| 358 | switch(reg & 0x0F) |
| 359 | { |
| 360 | case 0: value = m_d.w; break; // D |
| 361 | case 1: value = m_x.w; break; // X |
| 362 | case 2: value = m_y.w; break; // Y |
| 363 | case 3: value = m_u.w; break; // U |
| 364 | case 4: value = m_s.w; break; // S |
| 365 | case 5: value = m_pc.w; break; // PC |
| 366 | case 6: value = m_w.w; break; // W |
| 367 | case 7: value = m_v.w; break; // V |
| 368 | case 8: value = ((UINT16) m_d.b.h) << 8 | m_d.b.h; break; // A |
| 369 | case 9: value = ((UINT16) m_d.b.l) << 8 | m_d.b.l; break; // B |
| 370 | case 10: value = ((UINT16) m_cc) << 8 | m_cc; break; // CC |
| 371 | case 11: value = ((UINT16) m_dp) << 8 | m_dp; break; // DP |
| 372 | case 12: value = 0; break; // 0 |
| 373 | case 13: value = 0; break; // 0 |
| 374 | case 14: value = ((UINT16) m_w.b.h) << 8 | m_w.b.h; break; // E |
| 375 | case 15: value = ((UINT16) m_w.b.l) << 8 | m_w.b.l; break; // F |
| 376 | default: |
| 377 | fatalerror("Should not reach here"); |
| 378 | break; |
| 379 | } |
| 380 | |
| 381 | exgtfr_register result; |
| 382 | result.byte_value = (UINT8)value; |
| 383 | result.word_value = value; |
| 384 | return result; |
| 385 | } |
| 386 | |
| 387 | |
| 388 | |
| 389 | //------------------------------------------------- |
| 390 | // write_exgtfr_register |
| 391 | //------------------------------------------------- |
| 392 | |
| 393 | ATTR_FORCE_INLINE void hd6309_device::write_exgtfr_register(UINT8 reg, m6809_base_device::exgtfr_register value) |
| 394 | { |
| 395 | switch(reg & 0x0F) |
| 396 | { |
| 397 | case 0: m_d.w = value.word_value; break; // D |
| 398 | case 1: m_x.w = value.word_value; break; // X |
| 399 | case 2: m_y.w = value.word_value; break; // Y |
| 400 | case 3: m_u.w = value.word_value; break; // U |
| 401 | case 4: m_s.w = value.word_value; break; // S |
| 402 | case 5: m_pc.w = value.word_value; break; // PC |
| 403 | case 6: m_w.w = value.word_value; break; // W |
| 404 | case 7: m_v.w = value.word_value; break; // V |
| 405 | case 8: m_d.b.h = (UINT8) (value.word_value >> 8); break; // A |
| 406 | case 9: m_d.b.l = (UINT8) (value.word_value >> 0); break; // B |
| 407 | case 10: m_cc = (UINT8) (value.word_value >> 0); break; // CC |
| 408 | case 11: m_dp = (UINT8) (value.word_value >> 8); break; // DP |
| 409 | case 12: break; // 0 |
| 410 | case 13: break; // 0 |
| 411 | case 14: m_w.b.h = (UINT8) (value.word_value >> 8); break; // E |
| 412 | case 15: m_w.b.l = (UINT8) (value.word_value >> 0); break; // F |
| 413 | default: |
| 414 | fatalerror("Should not reach here"); |
| 415 | break; |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | |
| 420 | |
| 421 | //------------------------------------------------- |
| 422 | // tfr_read |
| 423 | //------------------------------------------------- |
| 424 | |
| 425 | ATTR_FORCE_INLINE bool hd6309_device::tfr_read(UINT8 opcode, UINT8 arg, UINT8 &data) |
| 426 | { |
| 427 | PAIR16 *reg; |
| 428 | |
| 429 | switch(arg & 0xF0) |
| 430 | { |
| 431 | case 0x00: reg = &m_d; break; |
| 432 | case 0x10: reg = &m_x; break; |
| 433 | case 0x20: reg = &m_y; break; |
| 434 | case 0x30: reg = &m_u; break; |
| 435 | case 0x40: reg = &m_s; break; |
| 436 | default: return false; |
| 437 | } |
| 438 | |
| 439 | data = read_memory(reg->w); |
| 440 | |
| 441 | switch(opcode & 0x03) |
| 442 | { |
| 443 | case 0x00: reg->w++; break; // TFM R0+,R1+ |
| 444 | case 0x01: reg->w--; break; // TFM R0-,R1- |
| 445 | case 0x02: reg->w++; break; // TFM R0+,R1 |
| 446 | case 0x03: break; // TFM R0,R1+ |
| 447 | } |
| 448 | |
| 449 | return true; |
| 450 | } |
| 451 | |
| 452 | |
| 453 | |
| 454 | //------------------------------------------------- |
| 455 | // tfr_write |
| 456 | //------------------------------------------------- |
| 457 | |
| 458 | ATTR_FORCE_INLINE bool hd6309_device::tfr_write(UINT8 opcode, UINT8 arg, UINT8 data) |
| 459 | { |
| 460 | PAIR16 *reg; |
| 461 | |
| 462 | switch(arg & 0x0F) |
| 463 | { |
| 464 | case 0x00: reg = &m_d; break; |
| 465 | case 0x01: reg = &m_x; break; |
| 466 | case 0x02: reg = &m_y; break; |
| 467 | case 0x03: reg = &m_u; break; |
| 468 | case 0x04: reg = &m_s; break; |
| 469 | default: return false; |
| 470 | } |
| 471 | |
| 472 | write_memory(reg->w, data); |
| 473 | |
| 474 | switch(opcode & 0x03) |
| 475 | { |
| 476 | case 0x00: reg->w++; break; // TFM R0+,R1+ |
| 477 | case 0x01: reg->w--; break; // TFM R0-,R1- |
| 478 | case 0x02: break; // TFM R0+,R1 |
| 479 | case 0x03: reg->w++; break; // TFM R0,R1+ |
| 480 | } |
| 481 | |
| 482 | return true; |
| 483 | } |
| 484 | |
| 485 | |
| 486 | |
| 487 | //------------------------------------------------- |
| 488 | // register_register_op |
| 489 | //------------------------------------------------- |
| 490 | |
| 491 | void hd6309_device::register_register_op() |
| 492 | { |
| 493 | UINT8 operand = read_opcode_arg(); |
| 494 | |
| 495 | // if the 8/16 bit values are mismatched, we need to promote |
| 496 | bool promote = ((operand & 0x80) ? true : false) != ((operand & 0x08) ? true : false); |
| 497 | |
| 498 | // we're using m_temp as "register 0" |
| 499 | m_temp.w = 0; |
| 500 | |
| 501 | // set destination |
| 502 | switch((operand >> 0) & 0x0F) |
| 503 | { |
| 504 | case 0: set_regop16(m_d); break; // D |
| 505 | case 1: set_regop16(m_x); break; // X |
| 506 | case 2: set_regop16(m_y); break; // Y |
| 507 | case 3: set_regop16(m_u); break; // U |
| 508 | case 4: set_regop16(m_s); break; // S |
| 509 | case 5: set_regop16(m_pc); break; // PC |
| 510 | case 6: set_regop16(m_w); break; // W |
| 511 | case 7: set_regop16(m_v); break; // V |
| 512 | case 8: if (promote) set_regop16(m_d); else set_regop8(m_d.b.h); break; // A |
| 513 | case 9: if (promote) set_regop16(m_d); else set_regop8(m_d.b.l); break; // B |
| 514 | case 10: if (promote) set_regop16(m_temp); else set_regop8(m_cc); break; // CC |
| 515 | case 11: if (promote) set_regop16(m_temp); else set_regop8(m_dp); break; // DP |
| 516 | case 12: if (promote) set_regop16(m_temp); else set_regop8(m_temp.b.l); break; // 0 |
| 517 | case 13: if (promote) set_regop16(m_temp); else set_regop8(m_temp.b.l); break; // 0 |
| 518 | case 14: if (promote) set_regop16(m_w); else set_regop8(m_w.b.h); break; // E |
| 519 | case 15: if (promote) set_regop16(m_w); else set_regop8(m_w.b.l); break; // F |
| 520 | default: |
| 521 | fatalerror("Should not reach here"); |
| 522 | break; |
| 523 | } |
| 524 | |
| 525 | // set source |
| 526 | switch((operand >> 4) & 0x0F) |
| 527 | { |
| 528 | case 0: m_addressing_mode = ADDRESSING_MODE_REGISTER_D; break; // D |
| 529 | case 1: m_addressing_mode = ADDRESSING_MODE_REGISTER_X; break; // X |
| 530 | case 2: m_addressing_mode = ADDRESSING_MODE_REGISTER_Y; break; // Y |
| 531 | case 3: m_addressing_mode = ADDRESSING_MODE_REGISTER_U; break; // U |
| 532 | case 4: m_addressing_mode = ADDRESSING_MODE_REGISTER_S; break; // S |
| 533 | case 5: m_addressing_mode = ADDRESSING_MODE_REGISTER_PC; break; // PC |
| 534 | case 6: m_addressing_mode = ADDRESSING_MODE_REGISTER_W; break; // W |
| 535 | case 7: m_addressing_mode = ADDRESSING_MODE_REGISTER_V; break; // V |
| 536 | case 8: m_addressing_mode = promote ? ADDRESSING_MODE_REGISTER_D : ADDRESSING_MODE_REGISTER_A; break; // A |
| 537 | case 9: m_addressing_mode = promote ? ADDRESSING_MODE_REGISTER_D : ADDRESSING_MODE_REGISTER_B; break; // B |
| 538 | case 10: m_addressing_mode = promote ? ADDRESSING_MODE_ZERO : ADDRESSING_MODE_REGISTER_CC; break; // CC |
| 539 | case 11: m_addressing_mode = promote ? ADDRESSING_MODE_ZERO : ADDRESSING_MODE_REGISTER_DP; break; // DP |
| 540 | case 12: m_addressing_mode = ADDRESSING_MODE_ZERO; break; // 0 |
| 541 | case 13: m_addressing_mode = ADDRESSING_MODE_ZERO; break; // 0 |
| 542 | case 14: m_addressing_mode = promote ? ADDRESSING_MODE_REGISTER_W : ADDRESSING_MODE_REGISTER_E; break; // E |
| 543 | case 15: m_addressing_mode = promote ? ADDRESSING_MODE_REGISTER_W : ADDRESSING_MODE_REGISTER_F; break; // F |
| 544 | default: |
| 545 | fatalerror("Should not reach here"); |
| 546 | break; |
| 547 | } |
| 548 | |
| 549 | // eat a single CPU cycle |
| 550 | eat(1); |
| 551 | } |
| 552 | |
| 553 | |
| 554 | //------------------------------------------------- |
| 555 | // get_q |
| 556 | //------------------------------------------------- |
| 557 | |
| 558 | UINT32 hd6309_device::get_q() |
| 559 | { |
| 560 | PAIR result; |
| 561 | result.w.h = m_d.w; |
| 562 | result.w.l = m_w.w; |
| 563 | return result.d; |
| 564 | } |
| 565 | |
| 566 | |
| 567 | //------------------------------------------------- |
| 568 | // put_q |
| 569 | //------------------------------------------------- |
| 570 | |
| 571 | void hd6309_device::put_q(UINT32 value) |
| 572 | { |
| 573 | PAIR pair; |
| 574 | pair.d = value; |
| 575 | m_d.w = pair.w.h; |
| 576 | m_w.w = pair.w.l; |
| 577 | } |
| 578 | |
| 579 | |
| 580 | //------------------------------------------------- |
| 581 | // muld - (Q := D * operand) |
| 582 | //------------------------------------------------- |
| 583 | |
| 584 | void hd6309_device::muld() |
| 585 | { |
| 586 | UINT32 result; |
| 587 | result = ((INT16) m_d.w) * ((INT16) m_temp.w); |
| 588 | put_q(set_flags<UINT32>(CC_NZ, result)); |
| 589 | m_cc &= ~CC_VC; |
| 590 | } |
| 591 | |
| 592 | |
| 593 | //------------------------------------------------- |
| 594 | // divq - (D := Q / operand; W := Q % operand) |
| 595 | //------------------------------------------------- |
| 596 | |
| 597 | bool hd6309_device::divq() |
| 598 | { |
| 599 | INT32 result; |
| 600 | |
| 601 | // check for divide by zero |
| 602 | if (m_temp.w == 0) |
| 603 | return false; |
| 604 | |
| 605 | INT32 q = get_q(); |
| 606 | INT32 old_q = q; |
| 607 | |
| 608 | // do the divide/modulo |
| 609 | result = q / (INT16) m_temp.w; |
| 610 | m_d.w = q % (INT16) m_temp.w; |
| 611 | |
| 612 | // set NZ condition codes |
| 613 | m_w.w = set_flags<UINT16>(CC_NZ, result); |
| 614 | |
| 615 | // set C condition code |
| 616 | if (m_w.w & 0x0001) |
| 617 | m_cc |= CC_C; |
| 618 | else |
| 619 | m_cc &= ~CC_C; |
| 620 | |
| 621 | if ((result > 32768) || (result < -32767)) |
| 622 | { |
| 623 | // soft overflow |
| 624 | m_cc |= CC_V; |
| 625 | |
| 626 | if ((result > 65536 ) || (result < -65535 )) |
| 627 | { |
| 628 | // hard overflow - division is aborted |
| 629 | if (old_q < 0) |
| 630 | m_cc |= CC_N; |
| 631 | else if (old_q == 0 ) |
| 632 | m_cc |= CC_Z; |
| 633 | |
| 634 | m_temp.w = abs(m_temp.w); |
| 635 | put_q(old_q); |
| 636 | } |
| 637 | } |
| 638 | else |
| 639 | { |
| 640 | // no overflow |
| 641 | m_cc &= ~CC_V; |
| 642 | } |
| 643 | |
| 644 | return true; |
| 645 | } |
| 646 | |
| 647 | |
| 648 | //------------------------------------------------- |
| 649 | // divd - (D := D / operand; W := D % operand) |
| 650 | //------------------------------------------------- |
| 651 | |
| 652 | bool hd6309_device::divd() |
| 653 | { |
| 654 | // check for divide by zero |
| 655 | if (m_temp.b.l == 0) |
| 656 | return false; |
| 657 | |
| 658 | INT16 old_d = m_d.w; |
| 659 | INT16 result; |
| 660 | |
| 661 | // do the divide/modulo |
| 662 | result = ((INT16) m_d.w) / (INT8) m_temp.b.l; |
| 663 | m_d.b.h = ((INT16) m_d.w) % (INT8) m_temp.b.l; |
| 664 | |
| 665 | // set NZ condition codes |
| 666 | m_d.b.l = set_flags<UINT8>(CC_NZ, result); |
| 667 | |
| 668 | // set C condition code |
| 669 | if (m_d.b.l & 0x01) |
| 670 | m_cc |= CC_C; |
| 671 | else |
| 672 | m_cc &= ~CC_C; |
| 673 | |
| 674 | if ((result > 128) || (result < -127)) |
| 675 | { |
| 676 | // soft overflow |
| 677 | m_cc |= CC_V; |
| 678 | |
| 679 | if ((result > 256 ) || (result < -255 )) |
| 680 | { |
| 681 | // hard overflow - division is aborted |
| 682 | set_flags<UINT16>(CC_NZ, old_d); |
| 683 | m_d.w = abs(old_d); |
| 684 | } |
| 685 | } |
| 686 | else |
| 687 | { |
| 688 | // no overflow |
| 689 | m_cc &= ~CC_V; |
| 690 | } |
| 691 | |
| 692 | return true; |
| 693 | } |
| 694 | |
| 695 | |
| 696 | //------------------------------------------------- |
| 697 | // execute_one - try to execute a single instruction |
| 698 | //------------------------------------------------- |
| 699 | |
| 700 | ATTR_FORCE_INLINE void hd6309_device::execute_one() |
| 701 | { |
| 702 | switch(pop_state()) |
| 703 | { |
| 704 | #include "cpu/m6809/hd6309.inc" |
| 705 | } |
| 706 | } |
| 707 | |
| 708 | |
| 709 | //------------------------------------------------- |
| 710 | // execute_run - execute a timeslice's worth of |
| 711 | // opcodes |
| 712 | //------------------------------------------------- |
| 713 | |
| 714 | void hd6309_device::execute_run() |
| 715 | { |
| 716 | do |
| 717 | { |
| 718 | execute_one(); |
| 719 | } while(m_icount > 0); |
| 720 | } |
trunk/src/emu/cpu/m6809/base6x09.ops
| r0 | r21565 | |
| 1 | NMI: |
| 2 | m_nmi_asserted = false; |
| 3 | m_cc |= CC_E; |
| 4 | set_regop16(m_s); |
| 5 | m_temp.w = entire_state_registers(); |
| 6 | %PUSH_REGISTERS; |
| 7 | m_cc |= CC_I | CC_F; |
| 8 | set_ea(VECTOR_NMI); |
| 9 | eat(1); |
| 10 | goto INTERRUPT_VECTOR; |
| 11 | |
| 12 | FIRQ: |
| 13 | if (firq_saves_entire_state()) |
| 14 | { |
| 15 | m_cc |= CC_E; |
| 16 | m_temp.w = entire_state_registers(); |
| 17 | } |
| 18 | else |
| 19 | { |
| 20 | m_cc &= ~CC_E; |
| 21 | m_temp.w = partial_state_registers(); |
| 22 | } |
| 23 | set_regop16(m_s); |
| 24 | %PUSH_REGISTERS; |
| 25 | m_cc |= CC_I | CC_F; |
| 26 | set_ea(VECTOR_FIRQ); |
| 27 | eat(1); |
| 28 | goto INTERRUPT_VECTOR; |
| 29 | |
| 30 | IRQ: |
| 31 | m_cc |= CC_E; |
| 32 | set_regop16(m_s); |
| 33 | m_temp.w = entire_state_registers(); |
| 34 | %PUSH_REGISTERS; |
| 35 | m_cc |= CC_I; |
| 36 | set_ea(VECTOR_IRQ); |
| 37 | eat(1); |
| 38 | goto INTERRUPT_VECTOR; |
| 39 | |
| 40 | INTERRUPT_VECTOR: |
| 41 | @eat(4); |
| 42 | @m_pc.b.h = read_operand(0); // Not sure if this is cycle exact |
| 43 | @m_pc.b.l = read_operand(1); // Not sure if this is cycle exact |
| 44 | return; |
| 45 | |
| 46 | NEG8: |
| 47 | @m_temp.b.l = read_operand(); |
| 48 | m_temp.b.l = set_flags(CC_NZVC, (UINT8)0, m_temp.b.l, -m_temp.b.l); |
| 49 | @eat(hd6309_native_mode() ? 0 : 1); |
| 50 | @write_operand(m_temp.b.l); |
| 51 | return; |
| 52 | |
| 53 | COM8: |
| 54 | @m_temp.b.l = read_operand(); |
| 55 | m_cc &= ~CC_V; |
| 56 | m_cc |= CC_C; |
| 57 | m_temp.b.l = set_flags(CC_NZ, (UINT8) ~m_temp.b.l); |
| 58 | @eat(hd6309_native_mode() ? 0 : 1); |
| 59 | @write_operand(m_temp.b.l); |
| 60 | return; |
| 61 | |
| 62 | LSR8: |
| 63 | @m_temp.b.l = read_operand(); |
| 64 | m_cc &= ~CC_C; |
| 65 | m_cc |= (m_temp.b.l & 1) ? CC_C : 0; |
| 66 | m_temp.b.l = set_flags<UINT8>(CC_NZ, m_temp.b.l >> 1); |
| 67 | @eat(hd6309_native_mode() ? 0 : 1); |
| 68 | @write_operand(m_temp.b.l); |
| 69 | return; |
| 70 | |
| 71 | ROR8: |
| 72 | @m_temp.b.l = read_operand(); |
| 73 | m_temp.b.l = set_flags<UINT8>(CC_NZ, rotate_right(m_temp.b.l)); |
| 74 | @eat(hd6309_native_mode() ? 0 : 1); |
| 75 | @write_operand(m_temp.b.l); |
| 76 | return; |
| 77 | |
| 78 | ASR8: |
| 79 | @m_temp.b.l = read_operand(); |
| 80 | m_cc &= ~CC_NZC; |
| 81 | m_cc |= (m_temp.b.l & 1) ? CC_C : 0; |
| 82 | m_temp.b.l = set_flags<UINT8>(CC_NZ, ((INT8) m_temp.b.l) >> 1); |
| 83 | @eat(hd6309_native_mode() ? 0 : 1); |
| 84 | @write_operand(m_temp.b.l); |
| 85 | return; |
| 86 | |
| 87 | ASL8: |
| 88 | @m_temp.b.l = read_operand(); |
| 89 | m_temp.b.l = set_flags<UINT8>(CC_NZVC, m_temp.b.l, m_temp.b.l, m_temp.b.l << 1); |
| 90 | @eat(hd6309_native_mode() ? 0 : 1); |
| 91 | @write_operand(m_temp.b.l); |
| 92 | return; |
| 93 | |
| 94 | ROL8: |
| 95 | @m_temp.b.l = read_operand(); |
| 96 | m_temp.b.l = set_flags<UINT8>(CC_NZV, m_temp.b.l, m_temp.b.l, rotate_left(m_temp.b.l)); |
| 97 | @eat(hd6309_native_mode() ? 0 : 1); |
| 98 | @write_operand(m_temp.b.l); |
| 99 | return; |
| 100 | |
| 101 | DEC8: |
| 102 | @m_temp.b.l = read_operand(); |
| 103 | m_temp.b.l = set_flags<UINT8>(CC_NZV, m_temp.b.l, 1, m_temp.b.l - 1); |
| 104 | @eat(hd6309_native_mode() && is_register_addressing_mode() ? 0 : 1); |
| 105 | @write_operand(m_temp.b.l); |
| 106 | return; |
| 107 | |
| 108 | INC8: |
| 109 | @m_temp.b.l = read_operand(); |
| 110 | m_temp.b.l = set_flags<UINT8>(CC_NZV, m_temp.b.l, 1, m_temp.b.l + 1); |
| 111 | @eat(hd6309_native_mode() && is_register_addressing_mode() ? 0 : 1); |
| 112 | @write_operand(m_temp.b.l); |
| 113 | return; |
| 114 | |
| 115 | TST8: |
| 116 | @m_temp.b.l = read_operand(); |
| 117 | set_flags(CC_NZV, m_temp.b.l); |
| 118 | eat(hd6309_native_mode() ? 0 : 1); |
| 119 | eat(is_register_addressing_mode() ? 0 : 1); |
| 120 | return; |
| 121 | |
| 122 | JMP: |
| 123 | m_pc.w = m_ea.w; |
| 124 | return; |
| 125 | |
| 126 | CLR8: |
| 127 | @read_operand(); |
| 128 | m_cc &= ~CC_NZVC; |
| 129 | m_cc |= CC_Z; |
| 130 | @eat(hd6309_native_mode() && is_register_addressing_mode() ? 0 : 1); |
| 131 | @write_operand(0); |
| 132 | return; |
| 133 | |
| 134 | NEG16: |
| 135 | m_temp.b.h = read_operand(0); |
| 136 | m_temp.b.l = read_operand(1); |
| 137 | m_temp.b.l = set_flags(CC_NZVC, (UINT16)0, m_temp.w, -m_temp.w); |
| 138 | eat(hd6309_native_mode() ? 0 : 1); |
| 139 | write_operand(0, m_temp.b.h); |
| 140 | write_operand(1, m_temp.b.l); |
| 141 | return; |
| 142 | |
| 143 | LSR16: |
| 144 | @m_temp.b.h = read_operand(0); |
| 145 | @m_temp.b.l = read_operand(1); |
| 146 | m_cc &= ~CC_C; |
| 147 | m_cc |= (m_temp.w & 1) ? CC_C : 0; |
| 148 | m_temp.w = set_flags<UINT16>(CC_NZ, m_temp.w >> 1); |
| 149 | @eat(hd6309_native_mode() ? 0 : 1); |
| 150 | @write_operand(0, m_temp.b.h); |
| 151 | write_operand(1, m_temp.b.l); |
| 152 | return; |
| 153 | |
| 154 | ROR16: |
| 155 | @m_temp.b.h = read_operand(0); |
| 156 | @m_temp.b.l = read_operand(1); |
| 157 | m_temp.w = set_flags<UINT16>(CC_NZ, rotate_right(m_temp.w)); |
| 158 | @eat(hd6309_native_mode() ? 0 : 1); |
| 159 | @write_operand(0, m_temp.b.h); |
| 160 | write_operand(1, m_temp.b.l); |
| 161 | return; |
| 162 | |
| 163 | ASR16: |
| 164 | @m_temp.b.h = read_operand(0); |
| 165 | @m_temp.b.l = read_operand(1); |
| 166 | m_cc &= ~CC_NZC; |
| 167 | m_cc |= (m_temp.b.l & 1) ? CC_C : 0; |
| 168 | m_temp.w = set_flags<UINT16>(CC_NZ, ((INT16) m_temp.b.l) >> 1); |
| 169 | @eat(hd6309_native_mode() ? 0 : 1); |
| 170 | @write_operand(0, m_temp.b.h); |
| 171 | write_operand(1, m_temp.b.l); |
| 172 | return; |
| 173 | |
| 174 | ASL16: |
| 175 | @m_temp.b.h = read_operand(0); |
| 176 | @m_temp.b.l = read_operand(1); |
| 177 | m_temp.w = set_flags<UINT16>(CC_NZVC, m_temp.w, m_temp.w, m_temp.w << 1); |
| 178 | @eat(hd6309_native_mode() ? 0 : 1); |
| 179 | @write_operand(0, m_temp.b.h); |
| 180 | write_operand(1, m_temp.b.l); |
| 181 | return; |
| 182 | |
| 183 | ROL16: |
| 184 | @m_temp.b.h = read_operand(0); |
| 185 | @m_temp.b.l = read_operand(1); |
| 186 | m_temp.w = set_flags<UINT16>(CC_NZV, rotate_left(m_temp.w)); |
| 187 | @eat(hd6309_native_mode() ? 0 : 1); |
| 188 | @write_operand(0, m_temp.b.h); |
| 189 | write_operand(1, m_temp.b.l); |
| 190 | return; |
| 191 | |
| 192 | DEC16: |
| 193 | m_temp.b.h = read_operand(0); |
| 194 | m_temp.b.l = read_operand(1); |
| 195 | m_temp.w = set_flags<UINT16>(CC_NZVC, m_temp.w, 1, m_temp.w - 1); |
| 196 | eat(hd6309_native_mode() ? 0 : 1); |
| 197 | write_operand(0, m_temp.b.h); |
| 198 | write_operand(1, m_temp.b.l); |
| 199 | return; |
| 200 | |
| 201 | INC16: |
| 202 | m_temp.b.h = read_operand(0); |
| 203 | m_temp.b.l = read_operand(1); |
| 204 | m_temp.w = set_flags<UINT16>(CC_NZVC, m_temp.w, 1, m_temp.w + 1); |
| 205 | eat(hd6309_native_mode() ? 0 : 1); |
| 206 | write_operand(0, m_temp.b.h); |
| 207 | write_operand(1, m_temp.b.l); |
| 208 | return; |
| 209 | |
| 210 | TST16: |
| 211 | m_temp.b.h = read_operand(0); |
| 212 | m_temp.b.l = read_operand(1); |
| 213 | set_flags(CC_NZV, m_temp.w); |
| 214 | eat(hd6309_native_mode() ? 0 : 1); |
| 215 | eat(is_register_addressing_mode() ? 0 : 1); |
| 216 | return; |
| 217 | |
| 218 | CLR16: |
| 219 | eat(hd6309_native_mode() ? 0 : 1); |
| 220 | m_cc &= ~CC_NZVC; |
| 221 | m_cc |= CC_Z; |
| 222 | write_operand(0, 0x00); |
| 223 | write_operand(1, 0x00); |
| 224 | return; |
| 225 | |
| 226 | SUB8: |
| 227 | m_temp.b.l = read_operand(); |
| 228 | regop8() = set_flags(CC_NZVC, regop8(), m_temp.b.l, regop8() - m_temp.b.l); |
| 229 | return; |
| 230 | |
| 231 | CMP8: |
| 232 | m_temp.b.l = read_operand(); |
| 233 | set_flags(CC_NZVC, regop8(), m_temp.b.l, regop8() - m_temp.b.l); |
| 234 | return; |
| 235 | |
| 236 | SBC8: |
| 237 | m_temp.w = (UINT16)read_operand() + (m_cc & CC_C ? 1 : 0); |
| 238 | regop8() = set_flags(CC_NZVC, regop8(), m_temp.b.l, regop8() - m_temp.w); |
| 239 | return; |
| 240 | |
| 241 | AND8: |
| 242 | m_cc &= ~CC_V; |
| 243 | regop8() = set_flags(CC_NZ, (UINT8)0, regop8(), regop8() & read_operand()); |
| 244 | return; |
| 245 | |
| 246 | BIT8: |
| 247 | m_cc &= ~CC_V; |
| 248 | set_flags(CC_NZ, (UINT8)0, regop8(), regop8() & read_operand()); |
| 249 | return; |
| 250 | |
| 251 | EOR8: |
| 252 | m_cc &= ~CC_V; |
| 253 | regop8() = set_flags(CC_NZ, (UINT8)0, regop8(), regop8() ^ read_operand()); |
| 254 | return; |
| 255 | |
| 256 | ADC8: |
| 257 | m_temp.w = (UINT16)read_operand() + (m_cc & CC_C ? 1 : 0); |
| 258 | regop8() = set_flags(add8_sets_h() ? CC_HNZVC : CC_NZVC, regop8(), m_temp.b.l, regop8() + m_temp.w); |
| 259 | return; |
| 260 | |
| 261 | OR8: |
| 262 | m_cc &= ~CC_V; |
| 263 | regop8() = set_flags(CC_NZ, (UINT8)0, regop8(), regop8() | read_operand()); |
| 264 | return; |
| 265 | |
| 266 | ADD8: |
| 267 | m_temp.b.l = read_operand(); |
| 268 | regop8() = set_flags(add8_sets_h() ? CC_HNZVC : CC_NZVC, regop8(), m_temp.b.l, regop8() + m_temp.b.l); |
| 269 | return; |
| 270 | |
| 271 | ADD16: |
| 272 | @m_temp.b.h = read_operand(0); |
| 273 | @m_temp.b.l = read_operand(1); |
| 274 | regop16().w = set_flags(CC_NZVC, regop16().w, m_temp.w, regop16().w + m_temp.w); |
| 275 | eat(hd6309_native_mode() ? 0 : 1); |
| 276 | return; |
| 277 | |
| 278 | SUB16: |
| 279 | @m_temp.b.h = read_operand(0); |
| 280 | @m_temp.b.l = read_operand(1); |
| 281 | regop16().w = set_flags(CC_NZVC, regop16().w, m_temp.w, regop16().w - m_temp.w); |
| 282 | eat(hd6309_native_mode() ? 0 : 1); |
| 283 | return; |
| 284 | |
| 285 | CMP16: |
| 286 | @m_temp.b.h = read_operand(0); |
| 287 | @m_temp.b.l = read_operand(1); |
| 288 | set_flags(CC_NZVC, regop16().w, m_temp.w, regop16().w - m_temp.w); |
| 289 | eat(hd6309_native_mode() ? 0 : 1); |
| 290 | return; |
| 291 | |
| 292 | LD8: |
| 293 | regop8() = read_operand(); |
| 294 | set_flags(CC_NZV, regop8()); |
| 295 | return; |
| 296 | |
| 297 | LD16: |
| 298 | @regop16().b.h = read_operand(0); |
| 299 | @regop16().b.l = read_operand(1); |
| 300 | set_flags(CC_NZV, regop16().w); |
| 301 | if (®op16() == &m_s) |
| 302 | m_lds_encountered = true; |
| 303 | return; |
| 304 | |
| 305 | ST8: |
| 306 | write_ea(set_flags(CC_NZV, regop8())); |
| 307 | return; |
| 308 | |
| 309 | ST16: |
| 310 | @write_operand(0, regop16().b.h); |
| 311 | @write_operand(1, regop16().b.l); |
| 312 | set_flags(CC_NZV, regop16().w); |
| 313 | return; |
| 314 | |
| 315 | NOP: |
| 316 | eat(hd6309_native_mode() ? 0 : 1); |
| 317 | return; |
| 318 | |
| 319 | SYNC: |
| 320 | // SYNC stops processing instructions until an interrupt request happens. |
| 321 | // This doesn't require the corresponding interrupt to be enabled: if it |
| 322 | // is disabled, execution continues with the next instruction. |
| 323 | eat(3); |
| 324 | |
| 325 | while(!m_nmi_asserted && !m_firq_line && !m_irq_line) |
| 326 | { |
| 327 | // massaging the PC this way makes the debugger's behavior more |
| 328 | // intuitive |
| 329 | m_pc.w--; |
| 330 | |
| 331 | @eat_remaining(); |
| 332 | |
| 333 | // unmassage... |
| 334 | m_pc.w++; |
| 335 | } |
| 336 | return; |
| 337 | |
| 338 | DAA: |
| 339 | daa(); |
| 340 | eat(hd6309_native_mode() ? 0 : 1); |
| 341 | return; |
| 342 | |
| 343 | ORCC: |
| 344 | m_cc |= read_operand(); |
| 345 | eat(hd6309_native_mode() ? 0 : 1); |
| 346 | return; |
| 347 | |
| 348 | ANDCC: |
| 349 | m_cc &= read_operand(); |
| 350 | eat(1); |
| 351 | return; |
| 352 | |
| 353 | SEX: |
| 354 | m_d.w = set_flags<UINT16>(CC_NZ, (INT8) m_d.b.l); |
| 355 | eat(hd6309_native_mode() ? 0 : 1); |
| 356 | return; |
| 357 | |
| 358 | EXG: |
| 359 | { |
| 360 | UINT8 param = read_opcode_arg(); |
| 361 | exgtfr_register reg1 = read_exgtfr_register(param >> 4); |
| 362 | exgtfr_register reg2 = read_exgtfr_register(param >> 0); |
| 363 | write_exgtfr_register(param >> 4, reg2); |
| 364 | write_exgtfr_register(param >> 0, reg1); |
| 365 | } |
| 366 | eat(hd6309_native_mode() ? 3 : 6); |
| 367 | return; |
| 368 | |
| 369 | TFR: |
| 370 | { |
| 371 | UINT8 param = read_opcode_arg(); |
| 372 | exgtfr_register reg = read_exgtfr_register(param >> 4); |
| 373 | write_exgtfr_register(param >> 0, reg); |
| 374 | } |
| 375 | eat(hd6309_native_mode() ? 2 : 4); |
| 376 | return; |
| 377 | |
| 378 | BRANCH: |
| 379 | @m_temp.b.l = read_opcode_arg(); |
| 380 | eat(1); |
| 381 | if (branch_taken()) |
| 382 | { |
| 383 | m_pc.w += (INT8) m_temp.b.l; |
| 384 | } |
| 385 | return; |
| 386 | |
| 387 | LBRANCH: |
| 388 | @m_temp.b.h = read_opcode_arg(); |
| 389 | @m_temp.b.l = read_opcode_arg(); |
| 390 | eat(1); |
| 391 | if (branch_taken()) |
| 392 | { |
| 393 | m_pc.w += m_temp.w; |
| 394 | eat(hd6309_native_mode() ? 0 : 1); |
| 395 | } |
| 396 | return; |
| 397 | |
| 398 | BSR: |
| 399 | @m_temp.b.l = read_opcode_arg(); |
| 400 | m_ea.w = m_pc.w + (INT8) m_temp.b.l; |
| 401 | @eat(hd6309_native_mode() ? 2 : 3); |
| 402 | goto GOTO_SUBROUTINE; |
| 403 | |
| 404 | LBSR: |
| 405 | @m_temp.b.h = read_opcode_arg(); |
| 406 | @m_temp.b.l = read_opcode_arg(); |
| 407 | m_ea.w = m_pc.w + (INT16) m_temp.w; |
| 408 | @eat(hd6309_native_mode() ? 2 : 4); |
| 409 | goto GOTO_SUBROUTINE; |
| 410 | |
| 411 | JSR: |
| 412 | @eat(2); |
| 413 | goto GOTO_SUBROUTINE; |
| 414 | |
| 415 | GOTO_SUBROUTINE: |
| 416 | @write_memory(--m_s.w, m_pc.b.l); |
| 417 | @write_memory(--m_s.w, m_pc.b.h); |
| 418 | m_pc = m_ea; |
| 419 | return; |
| 420 | |
| 421 | RTS: |
| 422 | m_temp.w = 0x80; // RTS is equivalent to "PULS PC" |
| 423 | eat(hd6309_native_mode() ? 0 : 1); |
| 424 | set_regop16(m_s); |
| 425 | goto PULL_REGISTERS; |
| 426 | |
| 427 | ABX: |
| 428 | m_x.w += m_d.b.l; |
| 429 | eat(hd6309_native_mode() ? 0 : 2); |
| 430 | return; |
| 431 | |
| 432 | MUL: |
| 433 | mul(); |
| 434 | eat(hd6309_native_mode() ? 9 : 10); |
| 435 | return; |
| 436 | |
| 437 | RTI: |
| 438 | set_regop16(m_s); |
| 439 | m_temp.w = 0x01; // PULS CC |
| 440 | %PULL_REGISTERS; |
| 441 | m_temp.w = ((m_cc & CC_E) ? entire_state_registers() : partial_state_registers()) & ~0x01; |
| 442 | goto PULL_REGISTERS; |
| 443 | |
| 444 | CWAI: |
| 445 | @m_cc &= read_opcode_arg(); |
| 446 | @eat(2); |
| 447 | |
| 448 | m_cc |= CC_E; |
| 449 | set_regop16(m_s); |
| 450 | m_temp.w = entire_state_registers(); |
| 451 | %PUSH_REGISTERS; |
| 452 | |
| 453 | while((m_ea.w = get_pending_interrupt()) == 0) |
| 454 | { |
| 455 | // massaging the PC this way makes the debugger's behavior more |
| 456 | // intuitive |
| 457 | m_pc.w -= 2; |
| 458 | |
| 459 | @eat_remaining(); |
| 460 | |
| 461 | // unmassage... |
| 462 | m_pc.w += 2; |
| 463 | } |
| 464 | |
| 465 | if (m_nmi_asserted) |
| 466 | m_nmi_asserted = false; |
| 467 | |
| 468 | m_cc |= CC_I | (m_ea.w != VECTOR_IRQ ? CC_F : 0); |
| 469 | goto INTERRUPT_VECTOR; |
| 470 | |
| 471 | LEA_xy: |
| 472 | regop16().w = set_flags(CC_Z, m_ea.w); |
| 473 | eat(1); |
| 474 | return; |
| 475 | |
| 476 | LEA_us: |
| 477 | if (®op16() == &m_s) |
| 478 | m_lds_encountered = true; |
| 479 | regop16().w = m_ea.w; |
| 480 | eat(1); |
| 481 | return; |
| 482 | |
| 483 | PSHS: |
| 484 | @m_temp.w = read_opcode_arg(); |
| 485 | @eat(hd6309_native_mode() ? 2 : 3); |
| 486 | set_regop16(m_s); |
| 487 | goto PUSH_REGISTERS; |
| 488 | |
| 489 | PULS: |
| 490 | @m_temp.w = read_opcode_arg(); |
| 491 | @eat(hd6309_native_mode() ? 1 : 2); |
| 492 | set_regop16(m_s); |
| 493 | goto PULL_REGISTERS; |
| 494 | |
| 495 | PSHU: |
| 496 | @m_temp.w = read_opcode_arg(); |
| 497 | @eat(hd6309_native_mode() ? 2 : 3); |
| 498 | set_regop16(m_u); |
| 499 | goto PUSH_REGISTERS; |
| 500 | |
| 501 | PULU: |
| 502 | @m_temp.w = read_opcode_arg(); |
| 503 | @eat(hd6309_native_mode() ? 1 : 2); |
| 504 | set_regop16(m_u); |
| 505 | goto PULL_REGISTERS; |
| 506 | |
| 507 | SWI: |
| 508 | // doesn't use SOFTWARE_INTERRUPT label because SWI will |
| 509 | // inhibit IRQ/FIRQ |
| 510 | set_ea(VECTOR_SWI); |
| 511 | set_regop16(m_s); |
| 512 | m_temp.w = entire_state_registers(); |
| 513 | %PUSH_REGISTERS; |
| 514 | m_cc |= CC_I | CC_F; |
| 515 | goto INTERRUPT_VECTOR; |
| 516 | |
| 517 | SWI2: |
| 518 | set_ea(VECTOR_SWI2); |
| 519 | goto SOFTWARE_INTERRUPT; |
| 520 | |
| 521 | SWI3: |
| 522 | set_ea(VECTOR_SWI3); |
| 523 | goto SOFTWARE_INTERRUPT; |
| 524 | |
| 525 | SOFTWARE_INTERRUPT: |
| 526 | // used for SWI2/SWI3 and illegal/div0 on 6309 |
| 527 | m_cc |= CC_E; |
| 528 | set_regop16(m_s); |
| 529 | m_temp.w = entire_state_registers(); |
| 530 | %PUSH_REGISTERS; |
| 531 | goto INTERRUPT_VECTOR; |
| 532 | |
| 533 | DIRECT: |
| 534 | @set_ea(((UINT16)m_dp << 8) | read_opcode_arg()); |
| 535 | @eat(hd6309_native_mode() ? 0 : 1); |
| 536 | return; |
| 537 | |
| 538 | EXTENDED: |
| 539 | @set_ea_h(read_opcode_arg()); |
| 540 | @set_ea_l(read_opcode_arg()); |
| 541 | @eat(hd6309_native_mode() ? 0 : 1); |
| 542 | return; |
trunk/src/emu/cpu/m6809/m6809.ops
| r0 | r21565 | |
| 1 | MAIN: |
| 2 | // check interrupt lines |
| 3 | switch(check_pending_interrupt()) |
| 4 | { |
| 5 | case VECTOR_NMI: goto NMI; |
| 6 | case VECTOR_FIRQ: goto FIRQ; |
| 7 | case VECTOR_IRQ: goto IRQ; |
| 8 | } |
| 9 | |
| 10 | // debugger hook |
| 11 | m_ppc = m_pc; |
| 12 | debugger_instruction_hook(this, m_pc.w); |
| 13 | |
| 14 | // opcode fetch |
| 15 | @m_opcode = read_opcode(); |
| 16 | |
| 17 | // burn delay loops |
| 18 | burn_any_delay_loops(); |
| 19 | |
| 20 | // dispatch opcode |
| 21 | switch(m_opcode) |
| 22 | { |
| 23 | case 0x00: case 0x01: %DIRECT; %NEG8; return; |
| 24 | case 0x03: case 0x02: %DIRECT; %COM8; return; |
| 25 | case 0x04: case 0x05: %DIRECT; %LSR8; return; |
| 26 | case 0x06: %DIRECT; %ROR8; return; |
| 27 | case 0x07: %DIRECT; %ASR8; return; |
| 28 | case 0x08: %DIRECT; %ASL8; return; |
| 29 | case 0x09: %DIRECT; %ROL8; return; |
| 30 | case 0x0A: case 0x0B: %DIRECT; %DEC8; return; |
| 31 | case 0x0C: %DIRECT; %INC8; return; |
| 32 | case 0x0D: %DIRECT; %TST8; return; |
| 33 | case 0x0E: %DIRECT; %JMP; return; |
| 34 | case 0x0F: %DIRECT; %CLR8; return; |
| 35 | |
| 36 | case 0x10: %DISPATCH10; return; |
| 37 | case 0x11: %DISPATCH11; return; |
| 38 | case 0x12: %NOP; return; |
| 39 | case 0x13: %SYNC; return; |
| 40 | case 0x16: set_cond(true); %LBRANCH; return; |
| 41 | case 0x17: %LBSR; return; |
| 42 | case 0x19: %DAA; return; |
| 43 | case 0x1A: set_imm(); %ORCC; return; |
| 44 | case 0x1C: set_imm(); %ANDCC; return; |
| 45 | case 0x1D: %SEX; return; |
| 46 | case 0x1E: %EXG; return; |
| 47 | case 0x1F: %TFR; return; |
| 48 | |
| 49 | case 0x20: set_cond(true); %BRANCH; return; |
| 50 | case 0x21: set_cond(false); %BRANCH; return; |
| 51 | case 0x22: set_cond(cond_hi()); %BRANCH; return; |
| 52 | case 0x23: set_cond(!cond_hi()); %BRANCH; return; |
| 53 | case 0x24: set_cond(cond_cc()); %BRANCH; return; |
| 54 | case 0x25: set_cond(!cond_cc()); %BRANCH; return; |
| 55 | case 0x26: set_cond(cond_ne()); %BRANCH; return; |
| 56 | case 0x27: set_cond(!cond_ne()); %BRANCH; return; |
| 57 | case 0x28: set_cond(cond_vc()); %BRANCH; return; |
| 58 | case 0x29: set_cond(!cond_vc()); %BRANCH; return; |
| 59 | case 0x2A: set_cond(cond_pl()); %BRANCH; return; |
| 60 | case 0x2B: set_cond(!cond_pl()); %BRANCH; return; |
| 61 | case 0x2C: set_cond(cond_ge()); %BRANCH; return; |
| 62 | case 0x2D: set_cond(!cond_ge()); %BRANCH; return; |
| 63 | case 0x2E: set_cond(cond_gt()); %BRANCH; return; |
| 64 | case 0x2F: set_cond(!cond_gt()); %BRANCH; return; |
| 65 | |
| 66 | case 0x30: set_regop16(m_x); %INDEXED; %LEA_xy; return; |
| 67 | case 0x31: set_regop16(m_y); %INDEXED; %LEA_xy; return; |
| 68 | case 0x32: set_regop16(m_s); %INDEXED; %LEA_us; return; |
| 69 | case 0x33: set_regop16(m_u); %INDEXED; %LEA_us; return; |
| 70 | case 0x34: %PSHS; return; |
| 71 | case 0x35: %PULS; return; |
| 72 | case 0x36: %PSHU; return; |
| 73 | case 0x37: %PULU; return; |
| 74 | case 0x39: %RTS; return; |
| 75 | case 0x3A: %ABX; return; |
| 76 | case 0x3B: %RTI; return; |
| 77 | case 0x3C: %CWAI; return; |
| 78 | case 0x3D: %MUL; return; |
| 79 | case 0x3F: %SWI; return; |
| 80 | |
| 81 | case 0x40: case 0x41: set_a(); %NEG8; return; |
| 82 | case 0x43: case 0x42: set_a(); %COM8; return; |
| 83 | case 0x44: case 0x45: set_a(); %LSR8; return; |
| 84 | case 0x46: set_a(); %ROR8; return; |
| 85 | case 0x47: set_a(); %ASR8; return; |
| 86 | case 0x48: set_a(); %ASL8; return; |
| 87 | case 0x49: set_a(); %ROL8; return; |
| 88 | case 0x4A: case 0x4B: set_a(); %DEC8; return; |
| 89 | case 0x4C: set_a(); %INC8; return; |
| 90 | case 0x4D: set_a(); %TST8; return; |
| 91 | case 0x4E: set_a(); %JMP; return; |
| 92 | case 0x4F: set_a(); %CLR8; return; |
| 93 | |
| 94 | case 0x50: case 0x51: set_b(); %NEG8; return; |
| 95 | case 0x53: case 0x52: set_b(); %COM8; return; |
| 96 | case 0x54: case 0x55: set_b(); %LSR8; return; |
| 97 | case 0x56: set_b(); %ROR8; return; |
| 98 | case 0x57: set_b(); %ASR8; return; |
| 99 | case 0x58: set_b(); %ASL8; return; |
| 100 | case 0x59: set_b(); %ROL8; return; |
| 101 | case 0x5A: case 0x5B: set_b(); %DEC8; return; |
| 102 | case 0x5C: set_b(); %INC8; return; |
| 103 | case 0x5D: set_b(); %TST8; return; |
| 104 | case 0x5E: set_b(); %JMP; return; |
| 105 | case 0x5F: set_b(); %CLR8; return; |
| 106 | |
| 107 | case 0x60: case 0x61: %INDEXED; %NEG8; return; |
| 108 | case 0x63: case 0x62: %INDEXED; %COM8; return; |
| 109 | case 0x64: case 0x65: %INDEXED; %LSR8; return; |
| 110 | case 0x66: %INDEXED; %ROR8; return; |
| 111 | case 0x67: %INDEXED; %ASR8; return; |
| 112 | case 0x68: %INDEXED; %ASL8; return; |
| 113 | case 0x69: %INDEXED; %ROL8; return; |
| 114 | case 0x6A: case 0x6B: %INDEXED; %DEC8; return; |
| 115 | case 0x6C: %INDEXED; %INC8; return; |
| 116 | case 0x6D: %INDEXED; %TST8; return; |
| 117 | case 0x6E: %INDEXED; %JMP; return; |
| 118 | case 0x6F: %INDEXED; %CLR8; return; |
| 119 | |
| 120 | case 0x70: case 0x71: %EXTENDED; %NEG8; return; |
| 121 | case 0x73: case 0x72: %EXTENDED; %COM8; return; |
| 122 | case 0x74: case 0x75: %EXTENDED; %LSR8; return; |
| 123 | case 0x76: %EXTENDED; %ROR8; return; |
| 124 | case 0x77: %EXTENDED; %ASR8; return; |
| 125 | case 0x78: %EXTENDED; %ASL8; return; |
| 126 | case 0x79: %EXTENDED; %ROL8; return; |
| 127 | case 0x7A: case 0x7B: %EXTENDED; %DEC8; return; |
| 128 | case 0x7C: %EXTENDED; %INC8; return; |
| 129 | case 0x7D: %EXTENDED; %TST8; return; |
| 130 | case 0x7E: %EXTENDED; %JMP; return; |
| 131 | case 0x7F: %EXTENDED; %CLR8; return; |
| 132 | |
| 133 | case 0x80: set_regop8(m_d.b.h); set_imm(); %SUB8; return; |
| 134 | case 0x81: set_regop8(m_d.b.h); set_imm(); %CMP8; return; |
| 135 | case 0x82: set_regop8(m_d.b.h); set_imm(); %SBC8; return; |
| 136 | case 0x83: set_regop16(m_d); set_imm(); %SUB16; return; |
| 137 | case 0x84: set_regop8(m_d.b.h); set_imm(); %AND8; return; |
| 138 | case 0x85: set_regop8(m_d.b.h); set_imm(); %BIT8; return; |
| 139 | case 0x86: set_regop8(m_d.b.h); set_imm(); %LD8; return; |
| 140 | case 0x87: set_regop8(m_d.b.h); set_imm(); %ST8; return; |
| 141 | case 0x88: set_regop8(m_d.b.h); set_imm(); %EOR8; return; |
| 142 | case 0x89: set_regop8(m_d.b.h); set_imm(); %ADC8; return; |
| 143 | case 0x8A: set_regop8(m_d.b.h); set_imm(); %OR8; return; |
| 144 | case 0x8B: set_regop8(m_d.b.h); set_imm(); %ADD8; return; |
| 145 | case 0x8C: set_regop16(m_x); set_imm(); %CMP16; return; |
| 146 | case 0x8D: %BSR; return; |
| 147 | case 0x8E: set_regop16(m_x); set_imm(); %LD16; return; |
| 148 | case 0x8F: set_regop16(m_x); set_imm(); %ST16; return; |
| 149 | |
| 150 | case 0x90: set_regop8(m_d.b.h); %DIRECT; %SUB8; return; |
| 151 | case 0x91: set_regop8(m_d.b.h); %DIRECT; %CMP8; return; |
| 152 | case 0x92: set_regop8(m_d.b.h); %DIRECT; %SBC8; return; |
| 153 | case 0x93: set_regop16(m_d); %DIRECT; %SUB16; return; |
| 154 | case 0x94: set_regop8(m_d.b.h); %DIRECT; %AND8; return; |
| 155 | case 0x95: set_regop8(m_d.b.h); %DIRECT; %BIT8; return; |
| 156 | case 0x96: set_regop8(m_d.b.h); %DIRECT; %LD8; return; |
| 157 | case 0x97: set_regop8(m_d.b.h); %DIRECT; %ST8; return; |
| 158 | case 0x98: set_regop8(m_d.b.h); %DIRECT; %EOR8; return; |
| 159 | case 0x99: set_regop8(m_d.b.h); %DIRECT; %ADC8; return; |
| 160 | case 0x9A: set_regop8(m_d.b.h); %DIRECT; %OR8; return; |
| 161 | case 0x9B: set_regop8(m_d.b.h); %DIRECT; %ADD8; return; |
| 162 | case 0x9C: set_regop16(m_x); %DIRECT; %CMP16; return; |
| 163 | case 0x9D: %DIRECT; %JSR; return; |
| 164 | case 0x9E: set_regop16(m_x); %DIRECT; %LD16; return; |
| 165 | case 0x9F: set_regop16(m_x); %DIRECT; %ST16; return; |
| 166 | |
| 167 | case 0xA0: set_regop8(m_d.b.h); %INDEXED; %SUB8; return; |
| 168 | case 0xA1: set_regop8(m_d.b.h); %INDEXED; %CMP8; return; |
| 169 | case 0xA2: set_regop8(m_d.b.h); %INDEXED; %SBC8; return; |
| 170 | case 0xA3: set_regop16(m_d); %INDEXED; %SUB16; return; |
| 171 | case 0xA4: set_regop8(m_d.b.h); %INDEXED; %AND8; return; |
| 172 | case 0xA5: set_regop8(m_d.b.h); %INDEXED; %BIT8; return; |
| 173 | case 0xA6: set_regop8(m_d.b.h); %INDEXED; %LD8; return; |
| 174 | case 0xA7: set_regop8(m_d.b.h); %INDEXED; %ST8; return; |
| 175 | case 0xA8: set_regop8(m_d.b.h); %INDEXED; %EOR8; return; |
| 176 | case 0xA9: set_regop8(m_d.b.h); %INDEXED; %ADC8; return; |
| 177 | case 0xAA: set_regop8(m_d.b.h); %INDEXED; %OR8; return; |
| 178 | case 0xAB: set_regop8(m_d.b.h); %INDEXED; %ADD8; return; |
| 179 | case 0xAC: set_regop16(m_x); %INDEXED; %CMP16; return; |
| 180 | case 0xAD: %INDEXED; %JSR; return; |
| 181 | case 0xAE: set_regop16(m_x); %INDEXED; %LD16; return; |
| 182 | case 0xAF: set_regop16(m_x); %INDEXED; %ST16; return; |
| 183 | |
| 184 | case 0xB0: set_regop8(m_d.b.h); %EXTENDED; %SUB8; return; |
| 185 | case 0xB1: set_regop8(m_d.b.h); %EXTENDED; %CMP8; return; |
| 186 | case 0xB2: set_regop8(m_d.b.h); %EXTENDED; %SBC8; return; |
| 187 | case 0xB3: set_regop16(m_d); %EXTENDED; %SUB16; return; |
| 188 | case 0xB4: set_regop8(m_d.b.h); %EXTENDED; %AND8; return; |
| 189 | case 0xB5: set_regop8(m_d.b.h); %EXTENDED; %BIT8; return; |
| 190 | case 0xB6: set_regop8(m_d.b.h); %EXTENDED; %LD8; return; |
| 191 | case 0xB7: set_regop8(m_d.b.h); %EXTENDED; %ST8; return; |
| 192 | case 0xB8: set_regop8(m_d.b.h); %EXTENDED; %EOR8; return; |
| 193 | case 0xB9: set_regop8(m_d.b.h); %EXTENDED; %ADC8; return; |
| 194 | case 0xBA: set_regop8(m_d.b.h); %EXTENDED; %OR8; return; |
| 195 | case 0xBB: set_regop8(m_d.b.h); %EXTENDED; %ADD8; return; |
| 196 | case 0xBC: set_regop16(m_x); %EXTENDED; %CMP16; return; |
| 197 | case 0xBD: %EXTENDED; %JSR; return; |
| 198 | case 0xBE: set_regop16(m_x); %EXTENDED; %LD16; return; |
| 199 | case 0xBF: set_regop16(m_x); %EXTENDED; %ST16; return; |
| 200 | |
| 201 | case 0xC0: set_regop8(m_d.b.l); set_imm(); %SUB8; return; |
| 202 | case 0xC1: set_regop8(m_d.b.l); set_imm(); %CMP8; return; |
| 203 | case 0xC2: set_regop8(m_d.b.l); set_imm(); %SBC8; return; |
| 204 | case 0xC3: set_regop16(m_d); set_imm(); %ADD16; return; |
| 205 | case 0xC4: set_regop8(m_d.b.l); set_imm(); %AND8; return; |
| 206 | case 0xC5: set_regop8(m_d.b.l); set_imm(); %BIT8; return; |
| 207 | case 0xC6: set_regop8(m_d.b.l); set_imm(); %LD8; return; |
| 208 | case 0xC7: set_regop8(m_d.b.l); set_imm(); %ST8; return; |
| 209 | case 0xC8: set_regop8(m_d.b.l); set_imm(); %EOR8; return; |
| 210 | case 0xC9: set_regop8(m_d.b.l); set_imm(); %ADC8; return; |
| 211 | case 0xCA: set_regop8(m_d.b.l); set_imm(); %OR8; return; |
| 212 | case 0xCB: set_regop8(m_d.b.l); set_imm(); %ADD8; return; |
| 213 | case 0xCC: set_regop16(m_d); set_imm(); %LD16; return; |
| 214 | case 0xCD: set_regop16(m_d); set_imm(); %ST16; return; |
| 215 | case 0xCE: set_regop16(m_u); set_imm(); %LD16; return; |
| 216 | case 0xCF: set_regop16(m_u); set_imm(); %ST16; return; |
| 217 | |
| 218 | case 0xD0: set_regop8(m_d.b.l); %DIRECT; %SUB8; return; |
| 219 | case 0xD1: set_regop8(m_d.b.l); %DIRECT; %CMP8; return; |
| 220 | case 0xD2: set_regop8(m_d.b.l); %DIRECT; %SBC8; return; |
| 221 | case 0xD3: set_regop16(m_d); %DIRECT; %ADD16; return; |
| 222 | case 0xD4: set_regop8(m_d.b.l); %DIRECT; %AND8; return; |
| 223 | case 0xD5: set_regop8(m_d.b.l); %DIRECT; %BIT8; return; |
| 224 | case 0xD6: set_regop8(m_d.b.l); %DIRECT; %LD8; return; |
| 225 | case 0xD7: set_regop8(m_d.b.l); %DIRECT; %ST8; return; |
| 226 | case 0xD8: set_regop8(m_d.b.l); %DIRECT; %EOR8; return; |
| 227 | case 0xD9: set_regop8(m_d.b.l); %DIRECT; %ADC8; return; |
| 228 | case 0xDA: set_regop8(m_d.b.l); %DIRECT; %OR8; return; |
| 229 | case 0xDB: set_regop8(m_d.b.l); %DIRECT; %ADD8; return; |
| 230 | case 0xDC: set_regop16(m_d); %DIRECT; %LD16; return; |
| 231 | case 0xDD: set_regop16(m_d); %DIRECT; %ST16; return; |
| 232 | case 0xDE: set_regop16(m_u); %DIRECT; %LD16; return; |
| 233 | case 0xDF: set_regop16(m_u); %DIRECT; %ST16; return; |
| 234 | |
| 235 | case 0xE0: set_regop8(m_d.b.l); %INDEXED; %SUB8; return; |
| 236 | case 0xE1: set_regop8(m_d.b.l); %INDEXED; %CMP8; return; |
| 237 | case 0xE2: set_regop8(m_d.b.l); %INDEXED; %SBC8; return; |
| 238 | case 0xE3: set_regop16(m_d); %INDEXED; %ADD16; return; |
| 239 | case 0xE4: set_regop8(m_d.b.l); %INDEXED; %AND8; return; |
| 240 | case 0xE5: set_regop8(m_d.b.l); %INDEXED; %BIT8; return; |
| 241 | case 0xE6: set_regop8(m_d.b.l); %INDEXED; %LD8; return; |
| 242 | case 0xE7: set_regop8(m_d.b.l); %INDEXED; %ST8; return; |
| 243 | case 0xE8: set_regop8(m_d.b.l); %INDEXED; %EOR8; return; |
| 244 | case 0xE9: set_regop8(m_d.b.l); %INDEXED; %ADC8; return; |
| 245 | case 0xEA: set_regop8(m_d.b.l); %INDEXED; %OR8; return; |
| 246 | case 0xEB: set_regop8(m_d.b.l); %INDEXED; %ADD8; return; |
| 247 | case 0xEC: set_regop16(m_d); %INDEXED; %LD16; return; |
| 248 | case 0xED: set_regop16(m_d); %INDEXED; %ST16; return; |
| 249 | case 0xEE: set_regop16(m_u); %INDEXED; %LD16; return; |
| 250 | case 0xEF: set_regop16(m_u); %INDEXED; %ST16; return; |
| 251 | |
| 252 | case 0xF0: set_regop8(m_d.b.l); %EXTENDED; %SUB8; return; |
| 253 | case 0xF1: set_regop8(m_d.b.l); %EXTENDED; %CMP8; return; |
| 254 | case 0xF2: set_regop8(m_d.b.l); %EXTENDED; %SBC8; return; |
| 255 | case 0xF3: set_regop16(m_d); %EXTENDED; %ADD16; return; |
| 256 | case 0xF4: set_regop8(m_d.b.l); %EXTENDED; %AND8; return; |
| 257 | case 0xF5: set_regop8(m_d.b.l); %EXTENDED; %BIT8; return; |
| 258 | case 0xF6: set_regop8(m_d.b.l); %EXTENDED; %LD8; return; |
| 259 | case 0xF7: set_regop8(m_d.b.l); %EXTENDED; %ST8; return; |
| 260 | case 0xF8: set_regop8(m_d.b.l); %EXTENDED; %EOR8; return; |
| 261 | case 0xF9: set_regop8(m_d.b.l); %EXTENDED; %ADC8; return; |
| 262 | case 0xFA: set_regop8(m_d.b.l); %EXTENDED; %OR8; return; |
| 263 | case 0xFB: set_regop8(m_d.b.l); %EXTENDED; %ADD8; return; |
| 264 | case 0xFC: set_regop16(m_d); %EXTENDED; %LD16; return; |
| 265 | case 0xFD: set_regop16(m_d); %EXTENDED; %ST16; return; |
| 266 | case 0xFE: set_regop16(m_u); %EXTENDED; %LD16; return; |
| 267 | case 0xFF: set_regop16(m_u); %EXTENDED; %ST16; return; |
| 268 | default: %ILLEGAL; return; |
| 269 | } |
| 270 | return; |
| 271 | |
| 272 | DISPATCH10: |
| 273 | @m_opcode = read_opcode(); |
| 274 | switch(m_opcode) |
| 275 | { |
| 276 | case 0x20: set_cond(true); %LBRANCH; return; |
| 277 | case 0x21: set_cond(false); %LBRANCH; return; |
| 278 | case 0x22: set_cond(cond_hi()); %LBRANCH; return; |
| 279 | case 0x23: set_cond(!cond_hi()); %LBRANCH; return; |
| 280 | case 0x24: set_cond(cond_cc()); %LBRANCH; return; |
| 281 | case 0x25: set_cond(!cond_cc()); %LBRANCH; return; |
| 282 | case 0x26: set_cond(cond_ne()); %LBRANCH; return; |
| 283 | case 0x27: set_cond(!cond_ne()); %LBRANCH; return; |
| 284 | case 0x28: set_cond(cond_vc()); %LBRANCH; return; |
| 285 | case 0x29: set_cond(!cond_vc()); %LBRANCH; return; |
| 286 | case 0x2A: set_cond(cond_pl()); %LBRANCH; return; |
| 287 | case 0x2B: set_cond(!cond_pl()); %LBRANCH; return; |
| 288 | case 0x2C: set_cond(cond_ge()); %LBRANCH; return; |
| 289 | case 0x2D: set_cond(!cond_ge()); %LBRANCH; return; |
| 290 | case 0x2E: set_cond(cond_gt()); %LBRANCH; return; |
| 291 | case 0x2F: set_cond(!cond_gt()); %LBRANCH; return; |
| 292 | |
| 293 | case 0x3F: %SWI2; return; |
| 294 | |
| 295 | case 0x83: set_regop16(m_d); set_imm(); %CMP16; return; |
| 296 | case 0x8C: set_regop16(m_y); set_imm(); %CMP16; return; |
| 297 | case 0x8E: set_regop16(m_y); set_imm(); %LD16; return; |
| 298 | case 0x8F: set_regop16(m_y); set_imm(); %ST16; return; |
| 299 | case 0x93: set_regop16(m_d); %DIRECT; %CMP16; return; |
| 300 | case 0x9C: set_regop16(m_y); %DIRECT; %CMP16; return; |
| 301 | case 0x9E: set_regop16(m_y); %DIRECT; %LD16; return; |
| 302 | case 0x9F: set_regop16(m_y); %DIRECT; %ST16; return; |
| 303 | case 0xA3: set_regop16(m_d); %INDEXED; %CMP16; return; |
| 304 | case 0xAC: set_regop16(m_y); %INDEXED; %CMP16; return; |
| 305 | case 0xAE: set_regop16(m_y); %INDEXED; %LD16; return; |
| 306 | case 0xAF: set_regop16(m_y); %INDEXED; %ST16; return; |
| 307 | case 0xB3: set_regop16(m_d); %EXTENDED; %CMP16; return; |
| 308 | case 0xBC: set_regop16(m_y); %EXTENDED; %CMP16; return; |
| 309 | case 0xBE: set_regop16(m_y); %EXTENDED; %LD16; return; |
| 310 | case 0xBF: set_regop16(m_y); %EXTENDED; %ST16; return; |
| 311 | |
| 312 | case 0xCE: set_regop16(m_s); set_imm(); %LD16; return; |
| 313 | case 0xCF: set_regop16(m_s); set_imm(); %ST16; return; |
| 314 | case 0xDE: set_regop16(m_s); %DIRECT; %LD16; return; |
| 315 | case 0xDF: set_regop16(m_s); %DIRECT; %ST16; return; |
| 316 | case 0xEE: set_regop16(m_s); %INDEXED; %LD16; return; |
| 317 | case 0xEF: set_regop16(m_s); %INDEXED; %ST16; return; |
| 318 | case 0xFE: set_regop16(m_s); %EXTENDED; %LD16; return; |
| 319 | case 0xFF: set_regop16(m_s); %EXTENDED; %ST16; return; |
| 320 | |
| 321 | default: %ILLEGAL; return; |
| 322 | } |
| 323 | return; |
| 324 | |
| 325 | DISPATCH11: |
| 326 | @m_opcode = read_opcode(); |
| 327 | switch(m_opcode) |
| 328 | { |
| 329 | case 0x3F: %SWI3; return; |
| 330 | case 0x83: set_regop16(m_u); set_imm(); %CMP16; return; |
| 331 | case 0x8C: set_regop16(m_s); set_imm(); %CMP16; return; |
| 332 | case 0x93: set_regop16(m_u); %DIRECT; %CMP16; return; |
| 333 | case 0x9C: set_regop16(m_s); %DIRECT; %CMP16; return; |
| 334 | case 0xA3: set_regop16(m_u); %INDEXED; %CMP16; return; |
| 335 | case 0xAC: set_regop16(m_s); %INDEXED; %CMP16; return; |
| 336 | case 0xB3: set_regop16(m_u); %EXTENDED; %CMP16; return; |
| 337 | case 0xBC: set_regop16(m_s); %EXTENDED; %CMP16; return; |
| 338 | |
| 339 | default: %ILLEGAL; return; |
| 340 | } |
| 341 | return; |
| 342 | |
| 343 | #include "base6x09.ops" |
| 344 | |
| 345 | PUSH_REGISTERS: |
| 346 | if (m_temp.w & 0x80) |
| 347 | { |
| 348 | @write_memory(--regop16().w, m_pc.b.l); |
| 349 | @write_memory(--regop16().w, m_pc.b.h); |
| 350 | nop(); |
| 351 | } |
| 352 | if (m_temp.w & 0x40) |
| 353 | { |
| 354 | @write_memory(--regop16().w, (®op16() == &m_s) ? m_u.b.l : m_s.b.l); |
| 355 | @write_memory(--regop16().w, (®op16() == &m_s) ? m_u.b.h : m_s.b.h); |
| 356 | nop(); |
| 357 | } |
| 358 | if (m_temp.w & 0x20) |
| 359 | { |
| 360 | @write_memory(--regop16().w, m_y.b.l); |
| 361 | @write_memory(--regop16().w, m_y.b.h); |
| 362 | nop(); |
| 363 | } |
| 364 | if (m_temp.w & 0x10) |
| 365 | { |
| 366 | @write_memory(--regop16().w, m_x.b.l); |
| 367 | @write_memory(--regop16().w, m_x.b.h); |
| 368 | nop(); |
| 369 | } |
| 370 | if (m_temp.w & 0x08) |
| 371 | { |
| 372 | @write_memory(--regop16().w, m_dp); |
| 373 | nop(); |
| 374 | } |
| 375 | if (m_temp.w & 0x04) |
| 376 | { |
| 377 | @write_memory(--regop16().w, m_d.b.l); |
| 378 | nop(); |
| 379 | } |
| 380 | if (m_temp.w & 0x02) |
| 381 | { |
| 382 | @write_memory(--regop16().w, m_d.b.h); |
| 383 | nop(); |
| 384 | } |
| 385 | if (m_temp.w & 0x01) |
| 386 | { |
| 387 | @write_memory(--regop16().w, m_cc); |
| 388 | nop(); |
| 389 | } |
| 390 | return; |
| 391 | |
| 392 | PULL_REGISTERS: |
| 393 | if (m_temp.w & 0x01) |
| 394 | { |
| 395 | @m_cc = read_memory(regop16().w++); |
| 396 | nop(); |
| 397 | } |
| 398 | if (m_temp.w & 0x02) |
| 399 | { |
| 400 | @m_d.b.h = read_memory(regop16().w++); |
| 401 | nop(); |
| 402 | } |
| 403 | if (m_temp.w & 0x04) |
| 404 | { |
| 405 | @m_d.b.l = read_memory(regop16().w++); |
| 406 | nop(); |
| 407 | } |
| 408 | if (m_temp.w & 0x08) |
| 409 | { |
| 410 | @m_dp = read_memory(regop16().w++); |
| 411 | nop(); |
| 412 | } |
| 413 | if (m_temp.w & 0x10) |
| 414 | { |
| 415 | @m_x.b.h = read_memory(regop16().w++); |
| 416 | @m_x.b.l = read_memory(regop16().w++); |
| 417 | nop(); |
| 418 | } |
| 419 | if (m_temp.w & 0x20) |
| 420 | { |
| 421 | @m_y.b.h = read_memory(regop16().w++); |
| 422 | @m_y.b.l = read_memory(regop16().w++); |
| 423 | nop(); |
| 424 | } |
| 425 | if (m_temp.w & 0x40) |
| 426 | { |
| 427 | @(®op16() == &m_s ? m_u : m_s).b.h = read_memory(regop16().w++); |
| 428 | @(®op16() == &m_s ? m_u : m_s).b.l = read_memory(regop16().w++); |
| 429 | nop(); |
| 430 | } |
| 431 | if (m_temp.w & 0x80) |
| 432 | { |
| 433 | @m_pc.b.h = read_memory(regop16().w++); |
| 434 | @m_pc.b.l = read_memory(regop16().w++); |
| 435 | nop(); |
| 436 | } |
| 437 | @eat(1); |
| 438 | return; |
| 439 | |
| 440 | INDEXED: |
| 441 | @m_opcode = read_opcode_arg(); |
| 442 | if (m_opcode & 0x80) |
| 443 | { |
| 444 | switch(m_opcode & 0x7F) |
| 445 | { |
| 446 | case 0x00: case 0x20: case 0x40: case 0x60: |
| 447 | case 0x10: case 0x30: case 0x50: case 0x70: |
| 448 | m_temp.w = ireg(); |
| 449 | ireg()++; |
| 450 | eat(3); |
| 451 | break; |
| 452 | |
| 453 | case 0x01: case 0x21: case 0x41: case 0x61: |
| 454 | case 0x11: case 0x31: case 0x51: case 0x71: |
| 455 | m_temp.w = ireg(); |
| 456 | ireg() += 2; |
| 457 | eat(4); |
| 458 | break; |
| 459 | |
| 460 | case 0x02: case 0x22: case 0x42: case 0x62: |
| 461 | case 0x12: case 0x32: case 0x52: case 0x72: |
| 462 | ireg()--; |
| 463 | m_temp.w = ireg(); |
| 464 | eat(3); |
| 465 | break; |
| 466 | |
| 467 | case 0x03: case 0x23: case 0x43: case 0x63: |
| 468 | case 0x13: case 0x33: case 0x53: case 0x73: |
| 469 | ireg() -= 2; |
| 470 | m_temp.w = ireg(); |
| 471 | eat(4); |
| 472 | break; |
| 473 | |
| 474 | case 0x04: case 0x24: case 0x44: case 0x64: |
| 475 | case 0x14: case 0x34: case 0x54: case 0x74: |
| 476 | m_temp.w = ireg(); |
| 477 | eat(1); |
| 478 | break; |
| 479 | |
| 480 | case 0x05: case 0x25: case 0x45: case 0x65: |
| 481 | case 0x15: case 0x35: case 0x55: case 0x75: |
| 482 | m_temp.w = ireg() + (INT8) m_d.b.l; |
| 483 | eat(2); |
| 484 | break; |
| 485 | |
| 486 | case 0x06: case 0x26: case 0x46: case 0x66: |
| 487 | case 0x16: case 0x36: case 0x56: case 0x76: |
| 488 | m_temp.w = ireg() + (INT8) m_d.b.h; |
| 489 | eat(2); |
| 490 | break; |
| 491 | |
| 492 | case 0x08: case 0x28: case 0x48: case 0x68: |
| 493 | case 0x18: case 0x38: case 0x58: case 0x78: |
| 494 | @m_temp.w = ireg() + (INT8) read_opcode_arg(); |
| 495 | eat(1); |
| 496 | break; |
| 497 | |
| 498 | case 0x09: case 0x29: case 0x49: case 0x69: |
| 499 | case 0x19: case 0x39: case 0x59: case 0x79: |
| 500 | @m_temp.b.h = read_opcode_arg(); |
| 501 | @m_temp.b.l = read_opcode_arg(); |
| 502 | m_temp.w = ireg() + m_temp.w; |
| 503 | eat(3); |
| 504 | break; |
| 505 | |
| 506 | case 0x0B: case 0x2B: case 0x4B: case 0x6B: |
| 507 | case 0x1B: case 0x3B: case 0x5B: case 0x7B: |
| 508 | m_temp.w = ireg() + m_d.w; |
| 509 | eat(5); |
| 510 | break; |
| 511 | |
| 512 | case 0x0C: case 0x2C: case 0x4C: case 0x6C: |
| 513 | case 0x1C: case 0x3C: case 0x5C: case 0x7C: |
| 514 | @m_temp.b.l = read_opcode_arg(); |
| 515 | m_temp.w = m_pc.w + (INT8) m_temp.b.l; |
| 516 | eat(1); |
| 517 | break; |
| 518 | |
| 519 | case 0x0D: case 0x2D: case 0x4D: case 0x6D: |
| 520 | case 0x1D: case 0x3D: case 0x5D: case 0x7D: |
| 521 | @m_temp.b.h = read_opcode_arg(); |
| 522 | @m_temp.b.l = read_opcode_arg(); |
| 523 | m_temp.w = m_pc.w + (INT16) m_temp.w; |
| 524 | eat(4); |
| 525 | break; |
| 526 | |
| 527 | case 0x0F: case 0x2F: case 0x4F: case 0x6F: |
| 528 | case 0x1F: case 0x3F: case 0x5F: case 0x7F: |
| 529 | @m_temp.b.h = read_opcode_arg(); |
| 530 | @m_temp.b.l = read_opcode_arg(); |
| 531 | eat(1); |
| 532 | break; |
| 533 | |
| 534 | default: |
| 535 | m_temp.w = 0x0000; |
| 536 | break; |
| 537 | } |
| 538 | |
| 539 | // indirect mode |
| 540 | if (m_opcode & 0x10) |
| 541 | { |
| 542 | set_ea(m_temp.w); |
| 543 | @m_temp.b.h = read_operand(0); |
| 544 | @m_temp.b.l = read_operand(1); |
| 545 | eat(1); |
| 546 | } |
| 547 | } |
| 548 | else |
| 549 | { |
| 550 | // 5-bit offset |
| 551 | m_temp.w = ireg() + (INT8) ((m_opcode & 0x0F) | (m_opcode & 0x10 ? 0xF0 : 0x00)); |
| 552 | eat(2); |
| 553 | } |
| 554 | @set_ea(m_temp.w); |
| 555 | return; |
| 556 | |
| 557 | ILLEGAL: |
| 558 | log_illegal(); |
| 559 | return; |
trunk/src/emu/cpu/m6809/m6809.c
| r21564 | r21565 | |
| 19 | 19 | machine must be twos complement |
| 20 | 20 | |
| 21 | 21 | History: |
| 22 | |
| 23 | March 2013 NPW: |
| 24 | Rewrite of 6809/6309/Konami CPU; attempted to make cycle exact. |
| 25 | |
| 22 | 26 | 991026 HJB: |
| 23 | 27 | Fixed missing calls to cpu_changepc() for the TFR and EXG ocpodes. |
| 24 | 28 | Replaced m6809_slapstic checks by a macro (CHANGE_PC). ESB still |
| r21564 | r21565 | |
| 73 | 77 | #include "emu.h" |
| 74 | 78 | #include "debugger.h" |
| 75 | 79 | #include "m6809.h" |
| 80 | #include "m6809inl.h" |
| 76 | 81 | |
| 77 | | #define VERBOSE 0 |
| 78 | 82 | |
| 79 | | #define LOG(x) do { if (VERBOSE) logerror x; } while (0) |
| 83 | //************************************************************************** |
| 84 | // PARAMETERS |
| 85 | //************************************************************************** |
| 80 | 86 | |
| 81 | | /* flag bits in the cc register */ |
| 82 | | #define CC_C 0x01 /* Carry */ |
| 83 | | #define CC_V 0x02 /* Overflow */ |
| 84 | | #define CC_Z 0x04 /* Zero */ |
| 85 | | #define CC_N 0x08 /* Negative */ |
| 86 | | #define CC_II 0x10 /* Inhibit IRQ */ |
| 87 | | #define CC_H 0x20 /* Half (auxiliary) carry */ |
| 88 | | #define CC_IF 0x40 /* Inhibit FIRQ */ |
| 89 | | #define CC_E 0x80 /* entire state pushed */ |
| 87 | #define LOG_INTERRUPTS 1 |
| 90 | 88 | |
| 91 | | #define pPPC m_ppc |
| 92 | | #define pPC m_pc |
| 93 | | #define pU m_u |
| 94 | | #define pS m_s |
| 95 | | #define pX m_x |
| 96 | | #define pY m_y |
| 97 | | #define pD m_d |
| 98 | | |
| 99 | | #define PPC m_ppc.w.l |
| 100 | | #define PC m_pc.w.l |
| 101 | | #define PCD m_pc.d |
| 102 | | #define U m_u.w.l |
| 103 | | #define UD m_u.d |
| 104 | | #define S m_s.w.l |
| 105 | | #define SD m_s.d |
| 106 | | #define X m_x.w.l |
| 107 | | #define XD m_x.d |
| 108 | | #define Y m_y.w.l |
| 109 | | #define YD m_y.d |
| 110 | | #define D m_d.w.l |
| 111 | | #define A m_d.b.h |
| 112 | | #define B m_d.b.l |
| 113 | | #define DP m_dp.b.h |
| 114 | | #define DPD m_dp.d |
| 115 | | #define CC m_cc |
| 116 | | |
| 117 | | #define EA m_ea.w.l |
| 118 | | #define EAD m_ea.d |
| 119 | | #define EAP m_ea |
| 120 | | |
| 121 | | #define M6809_CWAI 8 /* set when CWAI is waiting for an interrupt */ |
| 122 | | #define M6809_SYNC 16 /* set when SYNC is waiting for an interrupt */ |
| 123 | | #define M6809_LDS 32 /* set when LDS occurred at least once */ |
| 124 | | |
| 125 | | |
| 126 | | /****************************************************************************/ |
| 127 | | /* Read a byte from given memory location */ |
| 128 | | /****************************************************************************/ |
| 129 | | #define RM(addr) ((unsigned)m_program->read_byte(addr)) |
| 130 | | |
| 131 | | /****************************************************************************/ |
| 132 | | /* Write a byte to given memory location */ |
| 133 | | /****************************************************************************/ |
| 134 | | #define WM(Addr,Value) (m_program->write_byte(Addr,Value)) |
| 135 | | |
| 136 | | /**************************************************************************/ |
| 137 | | /* ROP() is identical to RM16() except it is used for reading opcodes. In */ |
| 138 | | /* the case of a system with memory mapped I/O, this function can be used */ |
| 139 | | /* to greatly speed up emulation. */ |
| 140 | | /**************************************************************************/ |
| 141 | | #define ROP(Addr) ((unsigned)m_direct->read_decrypted_byte(Addr)) |
| 142 | | |
| 143 | | /************************************************************************/ |
| 144 | | /* ROP_ARG() is identical to ROP() except it is used for reading opcode */ |
| 145 | | /* arguments. This difference can be used to support systems that use */ |
| 146 | | /* different encoding mechanisms for opcodes and opcode arguments. */ |
| 147 | | /************************************************************************/ |
| 148 | | #define ROP_ARG(addr) ((unsigned)m_direct->read_raw_byte(addr)) |
| 149 | | |
| 150 | | /* macros to access memory */ |
| 151 | | #define IMMBYTE(b) b = ROP_ARG(PCD); PC++ |
| 152 | | #define IMMWORD(w) w.d = (ROP_ARG(PCD)<<8) | ROP_ARG((PCD+1)&0xffff); PC+=2 |
| 153 | | |
| 154 | | #define PUSHBYTE(b) --S; WM(SD,b) |
| 155 | | #define PUSHWORD(w) --S; WM(SD,w.b.l); --S; WM(SD,w.b.h) |
| 156 | | #define PULLBYTE(b) b = RM(SD); S++ |
| 157 | | #define PULLWORD(w) w = RM(SD)<<8; S++; w |= RM(SD); S++ |
| 158 | | |
| 159 | | #define PSHUBYTE(b) --U; WM(UD,b); |
| 160 | | #define PSHUWORD(w) --U; WM(UD,w.b.l); --U; WM(UD,w.b.h) |
| 161 | | #define PULUBYTE(b) b = RM(UD); U++ |
| 162 | | #define PULUWORD(w) w = RM(UD)<<8; U++; w |= RM(UD); U++ |
| 163 | | |
| 164 | | #define CLR_HNZVC CC&=~(CC_H|CC_N|CC_Z|CC_V|CC_C) |
| 165 | | #define CLR_NZV CC&=~(CC_N|CC_Z|CC_V) |
| 166 | | #define CLR_NZ CC&=~(CC_N|CC_Z) |
| 167 | | #define CLR_HNZC CC&=~(CC_H|CC_N|CC_Z|CC_C) |
| 168 | | #define CLR_NZVC CC&=~(CC_N|CC_Z|CC_V|CC_C) |
| 169 | | #define CLR_Z CC&=~(CC_Z) |
| 170 | | #define CLR_NZC CC&=~(CC_N|CC_Z|CC_C) |
| 171 | | #define CLR_ZC CC&=~(CC_Z|CC_C) |
| 172 | | |
| 173 | | /* macros for CC -- CC bits affected should be reset before calling */ |
| 174 | | #define SET_Z(a) if(!a)SEZ |
| 175 | | #define SET_Z8(a) SET_Z((UINT8)a) |
| 176 | | #define SET_Z16(a) SET_Z((UINT16)a) |
| 177 | | #define SET_N8(a) CC|=((a&0x80)>>4) |
| 178 | | #define SET_N16(a) CC|=((a&0x8000)>>12) |
| 179 | | #define SET_H(a,b,r) CC|=(((a^b^r)&0x10)<<1) |
| 180 | | #define SET_C8(a) CC|=((a&0x100)>>8) |
| 181 | | #define SET_C16(a) CC|=((a&0x10000)>>16) |
| 182 | | #define SET_V8(a,b,r) CC|=(((a^b^r^(r>>1))&0x80)>>6) |
| 183 | | #define SET_V16(a,b,r) CC|=(((a^b^r^(r>>1))&0x8000)>>14) |
| 184 | | |
| 185 | | #define SET_FLAGS8I(a) {CC|=m_flags8i[(a)&0xff];} |
| 186 | | #define SET_FLAGS8D(a) {CC|=m_flags8d[(a)&0xff];} |
| 187 | | |
| 188 | | /* combos */ |
| 189 | | #define SET_NZ8(a) {SET_N8(a);SET_Z(a);} |
| 190 | | #define SET_NZ16(a) {SET_N16(a);SET_Z(a);} |
| 191 | | #define SET_FLAGS8(a,b,r) {SET_N8(r);SET_Z8(r);SET_V8(a,b,r);SET_C8(r);} |
| 192 | | #define SET_FLAGS16(a,b,r) {SET_N16(r);SET_Z16(r);SET_V16(a,b,r);SET_C16(r);} |
| 193 | | |
| 194 | | #define NXORV ((CC&CC_N)^((CC&CC_V)<<2)) |
| 195 | | |
| 196 | | /* for treating an unsigned byte as a signed word */ |
| 197 | | #define SIGNED(b) ((UINT16)(b&0x80?b|0xff00:b)) |
| 198 | | |
| 199 | | /* macros for addressing modes (postbytes have their own code) */ |
| 200 | | #define DIRECT EAD = DPD; IMMBYTE(m_ea.b.l) |
| 201 | | #define IMM8 EAD = PCD; PC++ |
| 202 | | #define IMM16 EAD = PCD; PC+=2 |
| 203 | | #define EXTENDED IMMWORD(EAP) |
| 204 | | |
| 205 | | /* macros to set status flags */ |
| 206 | | #if defined(SEC) |
| 207 | | #undef SEC |
| 89 | // turn off 'unreferenced label' errors |
| 90 | #ifdef __GNUC__ |
| 91 | #pragma GCC diagnostic ignored "-Wunused-label" |
| 208 | 92 | #endif |
| 209 | | #define SEC CC|=CC_C |
| 210 | | #define CLC CC&=~CC_C |
| 211 | | #define SEZ CC|=CC_Z |
| 212 | | #define CLZ CC&=~CC_Z |
| 213 | | #define SEN CC|=CC_N |
| 214 | | #define CLN CC&=~CC_N |
| 215 | | #define SEV CC|=CC_V |
| 216 | | #define CLV CC&=~CC_V |
| 217 | | #define SEH CC|=CC_H |
| 218 | | #define CLH CC&=~CC_H |
| 93 | #ifdef _MSC_VER |
| 94 | #pragma warning( disable : 4102 ) |
| 95 | #endif |
| 219 | 96 | |
| 220 | | /* macros for convenience */ |
| 221 | | #define DIRBYTE(b) {DIRECT;b=RM(EAD);} |
| 222 | | #define DIRWORD(w) {DIRECT;w.d=RM16(EAD);} |
| 223 | | #define EXTBYTE(b) {EXTENDED;b=RM(EAD);} |
| 224 | | #define EXTWORD(w) {EXTENDED;w.d=RM16(EAD);} |
| 97 | //************************************************************************** |
| 98 | // DEVICE INTERFACE |
| 99 | //************************************************************************** |
| 225 | 100 | |
| 226 | | /* macros for branch instructions */ |
| 227 | | #define BRANCH(f) { \ |
| 228 | | UINT8 t; \ |
| 229 | | IMMBYTE(t); \ |
| 230 | | if( f ) \ |
| 231 | | { \ |
| 232 | | PC += SIGNED(t); \ |
| 233 | | } \ |
| 234 | | } |
| 101 | const device_type M6809 = &device_creator<m6809_device>; |
| 102 | const device_type M6809E = &device_creator<m6809e_device>; |
| 235 | 103 | |
| 236 | | #define LBRANCH(f) { \ |
| 237 | | PAIR t; \ |
| 238 | | IMMWORD(t); \ |
| 239 | | if( f ) \ |
| 240 | | { \ |
| 241 | | m_icount -= 1; \ |
| 242 | | PC += t.w.l; \ |
| 243 | | } \ |
| 244 | | } |
| 245 | 104 | |
| 246 | | /* macros for setting/getting registers in TFR/EXG instructions */ |
| 105 | //------------------------------------------------- |
| 106 | // m6809_base_device - constructor |
| 107 | //------------------------------------------------- |
| 247 | 108 | |
| 248 | | UINT32 m6809_base_device::RM16(UINT32 addr) |
| 109 | m6809_base_device::m6809_base_device(const machine_config &mconfig, const char *name, const char *tag, device_t *owner, UINT32 clock, const device_type type, int divider) |
| 110 | : cpu_device(mconfig, type, name, tag, owner, clock), |
| 111 | m_program_config("program", ENDIANNESS_BIG, 8, 16), |
| 112 | m_clock_divider(divider) |
| 249 | 113 | { |
| 250 | | UINT32 result = RM(addr) << 8; |
| 251 | | return result | RM((addr+1)&0xffff); |
| 252 | 114 | } |
| 253 | 115 | |
| 254 | | void m6809_base_device::WM16(UINT32 addr, PAIR *p) |
| 255 | | { |
| 256 | | WM(addr, p->b.h); |
| 257 | | WM((addr+1)&0xffff, p->b.l); |
| 258 | | } |
| 259 | 116 | |
| 260 | | void m6809_base_device::update_state() |
| 261 | | { |
| 262 | | /* compatibility with 6309 */ |
| 263 | | } |
| 264 | | |
| 265 | | void m6809_base_device::check_irq_lines() |
| 266 | | { |
| 267 | | if( m_irq_state[M6809_IRQ_LINE] != CLEAR_LINE || |
| 268 | | m_irq_state[M6809_FIRQ_LINE] != CLEAR_LINE ) |
| 269 | | m_int_state &= ~M6809_SYNC; /* clear SYNC flag */ |
| 270 | | if( m_irq_state[M6809_FIRQ_LINE]!=CLEAR_LINE && !(CC & CC_IF) ) |
| 271 | | { |
| 272 | | /* fast IRQ */ |
| 273 | | /* HJB 990225: state already saved by CWAI? */ |
| 274 | | if( m_int_state & M6809_CWAI ) |
| 275 | | { |
| 276 | | m_int_state &= ~M6809_CWAI; /* clear CWAI */ |
| 277 | | m_extra_cycles += 7; /* subtract +7 cycles */ |
| 278 | | } |
| 279 | | else |
| 280 | | { |
| 281 | | CC &= ~CC_E; /* save 'short' state */ |
| 282 | | PUSHWORD(pPC); |
| 283 | | PUSHBYTE(CC); |
| 284 | | m_extra_cycles += 10; /* subtract +10 cycles */ |
| 285 | | } |
| 286 | | CC |= CC_IF | CC_II; /* inhibit FIRQ and IRQ */ |
| 287 | | PCD=RM16(0xfff6); |
| 288 | | standard_irq_callback(M6809_FIRQ_LINE); |
| 289 | | } |
| 290 | | else |
| 291 | | if( m_irq_state[M6809_IRQ_LINE]!=CLEAR_LINE && !(CC & CC_II) ) |
| 292 | | { |
| 293 | | /* standard IRQ */ |
| 294 | | /* HJB 990225: state already saved by CWAI? */ |
| 295 | | if( m_int_state & M6809_CWAI ) |
| 296 | | { |
| 297 | | m_int_state &= ~M6809_CWAI; /* clear CWAI flag */ |
| 298 | | m_extra_cycles += 7; /* subtract +7 cycles */ |
| 299 | | } |
| 300 | | else |
| 301 | | { |
| 302 | | CC |= CC_E; /* save entire state */ |
| 303 | | PUSHWORD(pPC); |
| 304 | | PUSHWORD(pU); |
| 305 | | PUSHWORD(pY); |
| 306 | | PUSHWORD(pX); |
| 307 | | PUSHBYTE(DP); |
| 308 | | PUSHBYTE(B); |
| 309 | | PUSHBYTE(A); |
| 310 | | PUSHBYTE(CC); |
| 311 | | m_extra_cycles += 19; /* subtract +19 cycles */ |
| 312 | | } |
| 313 | | CC |= CC_II; /* inhibit IRQ */ |
| 314 | | PCD=RM16(0xfff8); |
| 315 | | standard_irq_callback(M6809_IRQ_LINE); |
| 316 | | } |
| 317 | | } |
| 318 | | |
| 319 | | |
| 320 | 117 | //------------------------------------------------- |
| 321 | 118 | // static_set_config - set the configuration |
| 322 | 119 | // structure |
| r21564 | r21565 | |
| 329 | 126 | static_set_static_config(device, &config); |
| 330 | 127 | } |
| 331 | 128 | |
| 332 | | //************************************************************************** |
| 333 | | // DEVICE INTERFACE |
| 334 | | //************************************************************************** |
| 335 | 129 | |
| 336 | | const device_type M6809 = &device_creator<m6809_device>; |
| 337 | | const device_type M6809E = &device_creator<m6809e_device>; |
| 338 | | |
| 339 | 130 | //------------------------------------------------- |
| 340 | | // m6809_base_device - constructor |
| 131 | // device_start - device-specific startup |
| 341 | 132 | //------------------------------------------------- |
| 342 | 133 | |
| 343 | | m6809_base_device::m6809_base_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock, const device_type type, int divider) |
| 344 | | : cpu_device(mconfig, type, "M6809", tag, owner, clock), |
| 345 | | m_program_config("program", ENDIANNESS_BIG, 8, 16), |
| 346 | | m_clock_divider(divider) |
| 347 | | { |
| 348 | | // build the opcode table |
| 349 | | for (int op = 0; op < 256; op++) |
| 350 | | m_opcode[op] = s_opcodetable[op]; |
| 351 | | } |
| 352 | | |
| 353 | | |
| 354 | | //************************************************************************** |
| 355 | | // STATIC OPCODE TABLES |
| 356 | | //************************************************************************** |
| 357 | | |
| 358 | | const m6809_base_device::ophandler m6809_base_device::s_opcodetable[256] = |
| 359 | | { |
| 360 | | // 0xX0/4/8/C, 0xX1/5/9/D, 0xX2/6/A/E, 0xX3/7/B/F |
| 361 | | |
| 362 | | /* 0x0X */ &m6809_base_device::neg_di, &m6809_base_device::neg_di, &m6809_base_device::com_di, &m6809_base_device::com_di, |
| 363 | | &m6809_base_device::lsr_di, &m6809_base_device::lsr_di, &m6809_base_device::ror_di, &m6809_base_device::asr_di, |
| 364 | | &m6809_base_device::asl_di, &m6809_base_device::rol_di, &m6809_base_device::dec_di, &m6809_base_device::dec_di, |
| 365 | | &m6809_base_device::inc_di, &m6809_base_device::tst_di, &m6809_base_device::jmp_di, &m6809_base_device::clr_di, |
| 366 | | |
| 367 | | /* 0x1X */ &m6809_base_device::pref10, &m6809_base_device::pref11, &m6809_base_device::nop, &m6809_base_device::sync, |
| 368 | | &m6809_base_device::illegal,&m6809_base_device::illegal,&m6809_base_device::lbra, &m6809_base_device::lbsr, |
| 369 | | &m6809_base_device::illegal,&m6809_base_device::daa, &m6809_base_device::orcc, &m6809_base_device::illegal, |
| 370 | | &m6809_base_device::andcc, &m6809_base_device::sex, &m6809_base_device::exg, &m6809_base_device::tfr, |
| 371 | | |
| 372 | | /* 0x2X */ &m6809_base_device::bra, &m6809_base_device::brn, &m6809_base_device::bhi, &m6809_base_device::bls, |
| 373 | | &m6809_base_device::bcc, &m6809_base_device::bcs, &m6809_base_device::bne, &m6809_base_device::beq, |
| 374 | | &m6809_base_device::bvc, &m6809_base_device::bvs, &m6809_base_device::bpl, &m6809_base_device::bmi, |
| 375 | | &m6809_base_device::bge, &m6809_base_device::blt, &m6809_base_device::bgt, &m6809_base_device::ble, |
| 376 | | |
| 377 | | /* 0x3X */ &m6809_base_device::leax, &m6809_base_device::leay, &m6809_base_device::leas, &m6809_base_device::leau, |
| 378 | | &m6809_base_device::pshs, &m6809_base_device::puls, &m6809_base_device::pshu, &m6809_base_device::pulu, |
| 379 | | &m6809_base_device::illegal,&m6809_base_device::rts, &m6809_base_device::abx, &m6809_base_device::rti, |
| 380 | | &m6809_base_device::cwai, &m6809_base_device::mul, &m6809_base_device::illegal,&m6809_base_device::swi, |
| 381 | | |
| 382 | | /* 0x4X */ &m6809_base_device::nega, &m6809_base_device::nega, &m6809_base_device::coma, &m6809_base_device::coma, |
| 383 | | &m6809_base_device::lsra, &m6809_base_device::lsra, &m6809_base_device::rora, &m6809_base_device::asra, |
| 384 | | &m6809_base_device::asla, &m6809_base_device::rola, &m6809_base_device::deca, &m6809_base_device::deca, |
| 385 | | &m6809_base_device::inca, &m6809_base_device::tsta, &m6809_base_device::clra, &m6809_base_device::clra, |
| 386 | | |
| 387 | | /* 0x5X */ &m6809_base_device::negb, &m6809_base_device::negb, &m6809_base_device::comb, &m6809_base_device::comb, |
| 388 | | &m6809_base_device::lsrb, &m6809_base_device::lsrb, &m6809_base_device::rorb, &m6809_base_device::asrb, |
| 389 | | &m6809_base_device::aslb, &m6809_base_device::rolb, &m6809_base_device::decb, &m6809_base_device::decb, |
| 390 | | &m6809_base_device::incb, &m6809_base_device::tstb, &m6809_base_device::clrb, &m6809_base_device::clrb, |
| 391 | | |
| 392 | | /* 0x6X */ &m6809_base_device::neg_ix, &m6809_base_device::neg_ix, &m6809_base_device::com_ix, &m6809_base_device::com_ix, |
| 393 | | &m6809_base_device::lsr_ix, &m6809_base_device::lsr_ix, &m6809_base_device::ror_ix, &m6809_base_device::asr_ix, |
| 394 | | &m6809_base_device::asl_ix, &m6809_base_device::rol_ix, &m6809_base_device::dec_ix, &m6809_base_device::dec_ix, |
| 395 | | &m6809_base_device::inc_ix, &m6809_base_device::tst_ix, &m6809_base_device::jmp_ix, &m6809_base_device::clr_ix, |
| 396 | | |
| 397 | | /* 0x7X */ &m6809_base_device::neg_ex, &m6809_base_device::neg_ex, &m6809_base_device::com_ex, &m6809_base_device::com_ex, |
| 398 | | &m6809_base_device::lsr_ex, &m6809_base_device::lsr_ex, &m6809_base_device::ror_ex, &m6809_base_device::asr_ex, |
| 399 | | &m6809_base_device::asl_ex, &m6809_base_device::rol_ex, &m6809_base_device::dec_ex, &m6809_base_device::dec_ex, |
| 400 | | &m6809_base_device::inc_ex, &m6809_base_device::tst_ex, &m6809_base_device::jmp_ex, &m6809_base_device::clr_ex, |
| 401 | | |
| 402 | | /* 0x8X */ &m6809_base_device::suba_im,&m6809_base_device::cmpa_im,&m6809_base_device::sbca_im,&m6809_base_device::subd_im, |
| 403 | | &m6809_base_device::anda_im,&m6809_base_device::bita_im,&m6809_base_device::lda_im, &m6809_base_device::sta_im, |
| 404 | | &m6809_base_device::eora_im,&m6809_base_device::adca_im,&m6809_base_device::ora_im, &m6809_base_device::adda_im, |
| 405 | | &m6809_base_device::cmpx_im,&m6809_base_device::bsr, &m6809_base_device::ldx_im, &m6809_base_device::stx_im, |
| 406 | | |
| 407 | | /* 0x9X */ &m6809_base_device::suba_di,&m6809_base_device::cmpa_di,&m6809_base_device::sbca_di,&m6809_base_device::subd_di, |
| 408 | | &m6809_base_device::anda_di,&m6809_base_device::bita_di,&m6809_base_device::lda_di, &m6809_base_device::sta_di, |
| 409 | | &m6809_base_device::eora_di,&m6809_base_device::adca_di,&m6809_base_device::ora_di, &m6809_base_device::adda_di, |
| 410 | | &m6809_base_device::cmpx_di,&m6809_base_device::jsr_di, &m6809_base_device::ldx_di, &m6809_base_device::stx_di, |
| 411 | | |
| 412 | | /* 0xAX */ &m6809_base_device::suba_ix,&m6809_base_device::cmpa_ix,&m6809_base_device::sbca_ix,&m6809_base_device::subd_ix, |
| 413 | | &m6809_base_device::anda_ix,&m6809_base_device::bita_ix,&m6809_base_device::lda_ix, &m6809_base_device::sta_ix, |
| 414 | | &m6809_base_device::eora_ix,&m6809_base_device::adca_ix,&m6809_base_device::ora_ix, &m6809_base_device::adda_ix, |
| 415 | | &m6809_base_device::cmpx_ix,&m6809_base_device::jsr_ix, &m6809_base_device::ldx_ix, &m6809_base_device::stx_ix, |
| 416 | | |
| 417 | | /* 0xBX */ &m6809_base_device::suba_ex,&m6809_base_device::cmpa_ex,&m6809_base_device::sbca_ex,&m6809_base_device::subd_ex, |
| 418 | | &m6809_base_device::anda_ex,&m6809_base_device::bita_ex,&m6809_base_device::lda_ex, &m6809_base_device::sta_ex, |
| 419 | | &m6809_base_device::eora_ex,&m6809_base_device::adca_ex,&m6809_base_device::ora_ex, &m6809_base_device::adda_ex, |
| 420 | | &m6809_base_device::cmpx_ex,&m6809_base_device::jsr_ex, &m6809_base_device::ldx_ex, &m6809_base_device::stx_ex, |
| 421 | | |
| 422 | | /* 0xCX */ &m6809_base_device::subb_im,&m6809_base_device::cmpb_im,&m6809_base_device::sbcb_im,&m6809_base_device::addd_im, |
| 423 | | &m6809_base_device::andb_im,&m6809_base_device::bitb_im,&m6809_base_device::ldb_im, &m6809_base_device::stb_im, |
| 424 | | &m6809_base_device::eorb_im,&m6809_base_device::adcb_im,&m6809_base_device::orb_im, &m6809_base_device::addb_im, |
| 425 | | &m6809_base_device::ldd_im, &m6809_base_device::std_im, &m6809_base_device::ldu_im, &m6809_base_device::stu_im, |
| 426 | | |
| 427 | | /* 0xDX */ &m6809_base_device::subb_di,&m6809_base_device::cmpb_di,&m6809_base_device::sbcb_di,&m6809_base_device::addd_di, |
| 428 | | &m6809_base_device::andb_di,&m6809_base_device::bitb_di,&m6809_base_device::ldb_di, &m6809_base_device::stb_di, |
| 429 | | &m6809_base_device::eorb_di,&m6809_base_device::adcb_di,&m6809_base_device::orb_di, &m6809_base_device::addb_di, |
| 430 | | &m6809_base_device::ldd_di, &m6809_base_device::std_di, &m6809_base_device::ldu_di, &m6809_base_device::stu_di, |
| 431 | | |
| 432 | | /* 0xEX */ &m6809_base_device::subb_ix,&m6809_base_device::cmpb_ix,&m6809_base_device::sbcb_ix,&m6809_base_device::addd_ix, |
| 433 | | &m6809_base_device::andb_ix,&m6809_base_device::bitb_ix,&m6809_base_device::ldb_ix, &m6809_base_device::stb_ix, |
| 434 | | &m6809_base_device::eorb_ix,&m6809_base_device::adcb_ix,&m6809_base_device::orb_ix, &m6809_base_device::addb_ix, |
| 435 | | &m6809_base_device::ldd_ix, &m6809_base_device::std_ix, &m6809_base_device::ldu_ix, &m6809_base_device::stu_ix, |
| 436 | | |
| 437 | | /* 0xFX */ &m6809_base_device::subb_ex,&m6809_base_device::cmpb_ex,&m6809_base_device::sbcb_ex,&m6809_base_device::addd_ex, |
| 438 | | &m6809_base_device::andb_ex,&m6809_base_device::bitb_ex,&m6809_base_device::ldb_ex, &m6809_base_device::stb_ex, |
| 439 | | &m6809_base_device::eorb_ex,&m6809_base_device::adcb_ex,&m6809_base_device::orb_ex, &m6809_base_device::addb_ex, |
| 440 | | &m6809_base_device::ldd_ex, &m6809_base_device::std_ex, &m6809_base_device::ldu_ex, &m6809_base_device::stu_ex |
| 441 | | }; |
| 442 | | |
| 443 | | |
| 444 | | /****************************************************************************/ |
| 445 | | /* Reset registers to their initial values */ |
| 446 | | /****************************************************************************/ |
| 447 | 134 | void m6809_base_device::device_start() |
| 448 | 135 | { |
| 449 | | /* default configuration */ |
| 136 | // default configuration |
| 450 | 137 | static const m6809_config default_config = |
| 451 | 138 | { |
| 452 | 139 | false |
| r21564 | r21565 | |
| 462 | 149 | |
| 463 | 150 | // register our state for the debugger |
| 464 | 151 | astring tempstr; |
| 465 | | state_add(STATE_GENPC, "GENPC", m_pc.w.l).noshow(); |
| 152 | state_add(STATE_GENPC, "GENPC", m_pc.w).noshow(); |
| 153 | state_add(STATE_GENPCBASE, "GENPCBASE", m_ppc.w).noshow(); |
| 466 | 154 | state_add(STATE_GENFLAGS, "GENFLAGS", m_cc).callimport().callexport().formatstr("%8s").noshow(); |
| 467 | | state_add(M6809_PC, "PC", m_pc.w.l).mask(0xffff); |
| 468 | | state_add(M6809_S, "S", m_s.w.l).mask(0xffff); |
| 155 | state_add(M6809_PC, "PC", m_pc.w).mask(0xffff); |
| 156 | state_add(M6809_S, "S", m_s.w).mask(0xffff); |
| 469 | 157 | state_add(M6809_CC, "CC", m_cc).mask(0xff); |
| 470 | | state_add(M6809_U, "U", m_u.w.l).mask(0xffff); |
| 471 | | state_add(M6809_A, "A", m_d.b.h).mask(0xff); |
| 472 | | state_add(M6809_B, "B", m_d.b.l).mask(0xff); |
| 473 | | state_add(M6809_X, "X", m_x.w.l).mask(0xffff); |
| 474 | | state_add(M6809_Y, "Y", m_y.w.l).mask(0xffff); |
| 475 | | state_add(M6809_DP, "DP", m_dp.w.l).mask(0xffff); |
| 476 | | |
| 158 | state_add(M6809_U, "U", m_u.w).mask(0xffff); |
| 159 | state_add(M6809_A, "A", m_d.b.h).mask(0xff); |
| 160 | state_add(M6809_B, "B", m_d.b.l).mask(0xff); |
| 161 | state_add(M6809_X, "X", m_x.w).mask(0xffff); |
| 162 | state_add(M6809_Y, "Y", m_y.w).mask(0xffff); |
| 163 | state_add(M6809_DP, "DP", m_dp).mask(0xff); |
| 164 | |
| 477 | 165 | // initialize variables |
| 478 | 166 | m_cc = 0; |
| 479 | | m_pc.d = 0; |
| 480 | | m_s.d = 0; |
| 481 | | m_u.d = 0; |
| 482 | | m_d.d = 0; |
| 483 | | m_x.d = 0; |
| 484 | | m_y.d = 0; |
| 485 | | m_dp.d = 0; |
| 167 | m_pc.w = 0; |
| 168 | m_s.w = 0; |
| 169 | m_u.w = 0; |
| 170 | m_d.w = 0; |
| 171 | m_x.w = 0; |
| 172 | m_y.w = 0; |
| 173 | m_dp = 0; |
| 174 | m_reg = 0; |
| 175 | m_reg8 = NULL; |
| 176 | m_reg16 = NULL; |
| 486 | 177 | |
| 487 | 178 | // setup regtable |
| 488 | | save_item(NAME(PC)); |
| 489 | | save_item(NAME(PPC)); |
| 490 | | save_item(NAME(D)); |
| 491 | | save_item(NAME(DP)); |
| 492 | | save_item(NAME(U)); |
| 493 | | save_item(NAME(S)); |
| 494 | | save_item(NAME(X)); |
| 495 | | save_item(NAME(Y)); |
| 496 | | save_item(NAME(CC)); |
| 497 | | save_item(NAME(m_irq_state)); |
| 498 | | save_item(NAME(m_int_state)); |
| 499 | | save_item(NAME(m_nmi_state)); |
| 179 | save_item(NAME(m_pc.w)); |
| 180 | save_item(NAME(m_ppc.w)); |
| 181 | save_item(NAME(m_d.w)); |
| 182 | save_item(NAME(m_dp)); |
| 183 | save_item(NAME(m_u.w)); |
| 184 | save_item(NAME(m_s.w)); |
| 185 | save_item(NAME(m_x.w)); |
| 186 | save_item(NAME(m_y.w)); |
| 187 | save_item(NAME(m_cc)); |
| 188 | save_item(NAME(m_nmi_asserted)); |
| 189 | save_item(NAME(m_nmi_line)); |
| 190 | save_item(NAME(m_firq_line)); |
| 191 | save_item(NAME(m_irq_line)); |
| 192 | save_item(NAME(m_lds_encountered)); |
| 193 | save_item(NAME(m_state)); |
| 194 | save_item(NAME(m_ea.w)); |
| 195 | save_item(NAME(m_addressing_mode)); |
| 196 | save_item(NAME(m_reg)); |
| 197 | save_item(NAME(m_cond)); |
| 500 | 198 | |
| 501 | 199 | // set our instruction counter |
| 502 | 200 | m_icountptr = &m_icount; |
| 503 | 201 | m_icount = 0; |
| 504 | | m_extra_cycles = 0; |
| 505 | 202 | } |
| 506 | 203 | |
| 507 | | /****************************************************************************/ |
| 508 | | /* Reset registers to their initial values */ |
| 509 | | /****************************************************************************/ |
| 204 | |
| 205 | |
| 206 | //------------------------------------------------- |
| 207 | // device_reset - device-specific reset |
| 208 | //------------------------------------------------- |
| 209 | |
| 510 | 210 | void m6809_base_device::device_reset() |
| 511 | 211 | { |
| 512 | | m_int_state = 0; |
| 513 | | m_nmi_state = CLEAR_LINE; |
| 514 | | m_irq_state[0] = CLEAR_LINE; |
| 515 | | m_irq_state[1] = CLEAR_LINE; |
| 212 | m_nmi_line = false; |
| 213 | m_nmi_asserted = false; |
| 214 | m_firq_line = false; |
| 215 | m_irq_line = false; |
| 216 | m_lds_encountered = false; |
| 516 | 217 | |
| 517 | | DPD = 0; /* Reset direct page register */ |
| 218 | m_dp = 0x00; // reset direct page register |
| 518 | 219 | |
| 519 | | CC |= CC_II; /* IRQ disabled */ |
| 520 | | CC |= CC_IF; /* FIRQ disabled */ |
| 220 | m_cc |= CC_I; // IRQ disabled |
| 221 | m_cc |= CC_F; // FIRQ disabled |
| 521 | 222 | |
| 522 | | PCD = RM16(0xfffe); |
| 523 | | update_state(); |
| 223 | m_pc.b.h = m_direct->read_decrypted_byte(VECTOR_RESET_FFFE + 0); |
| 224 | m_pc.b.l = m_direct->read_decrypted_byte(VECTOR_RESET_FFFE + 1); |
| 225 | |
| 226 | // reset sub-instruction state |
| 227 | reset_state(); |
| 524 | 228 | } |
| 525 | 229 | |
| 526 | 230 | |
| 231 | |
| 527 | 232 | //------------------------------------------------- |
| 233 | // device_pre_save - device-specific pre-save |
| 234 | //------------------------------------------------- |
| 235 | |
| 236 | void m6809_base_device::device_pre_save() |
| 237 | { |
| 238 | if (m_reg8 == &m_d.b.h) |
| 239 | m_reg = M6809_A; |
| 240 | else if (m_reg8 == &m_d.b.l) |
| 241 | m_reg = M6809_B; |
| 242 | else if (m_reg16 == &m_d) |
| 243 | m_reg = M6809_D; |
| 244 | else if (m_reg16 == &m_x) |
| 245 | m_reg = M6809_X; |
| 246 | else if (m_reg16 == &m_y) |
| 247 | m_reg = M6809_Y; |
| 248 | else if (m_reg16 == &m_u) |
| 249 | m_reg = M6809_U; |
| 250 | else if (m_reg16 == &m_s) |
| 251 | m_reg = M6809_S; |
| 252 | else |
| 253 | m_reg = 0; |
| 254 | } |
| 255 | |
| 256 | |
| 257 | //------------------------------------------------- |
| 258 | // device_post_load - device-specific post-load |
| 259 | //------------------------------------------------- |
| 260 | |
| 261 | void m6809_base_device::device_post_load() |
| 262 | { |
| 263 | m_reg8 = NULL; |
| 264 | m_reg16 = NULL; |
| 265 | |
| 266 | switch(m_reg) |
| 267 | { |
| 268 | case M6809_A: |
| 269 | set_regop8(m_d.b.h); |
| 270 | break; |
| 271 | case M6809_B: |
| 272 | set_regop8(m_d.b.h); |
| 273 | break; |
| 274 | case M6809_D: |
| 275 | set_regop16(m_d); |
| 276 | break; |
| 277 | case M6809_X: |
| 278 | set_regop16(m_x); |
| 279 | break; |
| 280 | case M6809_Y: |
| 281 | set_regop16(m_y); |
| 282 | break; |
| 283 | case M6809_U: |
| 284 | set_regop16(m_u); |
| 285 | break; |
| 286 | case M6809_S: |
| 287 | set_regop16(m_s); |
| 288 | break; |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | |
| 293 | //------------------------------------------------- |
| 528 | 294 | // memory_space_config - return the configuration |
| 529 | 295 | // of the specified address space, or NULL if |
| 530 | 296 | // the space doesn't exist |
| r21564 | r21565 | |
| 593 | 359 | |
| 594 | 360 | offs_t m6809_base_device::disasm_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options) |
| 595 | 361 | { |
| 596 | | extern CPU_DISASSEMBLE( m6809 ); |
| 597 | | return disassemble(buffer, pc, oprom, opram, 0); |
| 362 | extern offs_t m6809_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, int options, m6809_base_device *m6809); |
| 363 | return m6809_disassemble(buffer, pc, oprom, opram, options, this); |
| 598 | 364 | } |
| 599 | 365 | |
| 600 | 366 | |
| 601 | 367 | //************************************************************************** |
| 602 | | // IRQ HANDLING |
| 603 | | //************************************************************************** |
| 604 | | |
| 605 | | void m6809_base_device::set_irq_line(int irqline, int state) |
| 606 | | { |
| 607 | | if (irqline == INPUT_LINE_NMI) |
| 608 | | { |
| 609 | | if (m_nmi_state == state) return; |
| 610 | | m_nmi_state = state; |
| 611 | | LOG(("M6809 '%s' set_irq_line (NMI) %d\n", m_tag, state)); |
| 612 | | if( state == CLEAR_LINE ) return; |
| 613 | | |
| 614 | | /* if the stack was not yet initialized */ |
| 615 | | if( !(m_int_state & M6809_LDS) ) return; |
| 616 | | |
| 617 | | m_int_state &= ~M6809_SYNC; |
| 618 | | /* HJB 990225: state already saved by CWAI? */ |
| 619 | | if( m_int_state & M6809_CWAI ) |
| 620 | | { |
| 621 | | m_int_state &= ~M6809_CWAI; |
| 622 | | m_extra_cycles += 7; /* subtract +7 cycles next time */ |
| 623 | | } |
| 624 | | else |
| 625 | | { |
| 626 | | CC |= CC_E; /* save entire state */ |
| 627 | | PUSHWORD(pPC); |
| 628 | | PUSHWORD(pU); |
| 629 | | PUSHWORD(pY); |
| 630 | | PUSHWORD(pX); |
| 631 | | PUSHBYTE(DP); |
| 632 | | PUSHBYTE(B); |
| 633 | | PUSHBYTE(A); |
| 634 | | PUSHBYTE(CC); |
| 635 | | m_extra_cycles += 19; /* subtract +19 cycles next time */ |
| 636 | | } |
| 637 | | CC |= CC_IF | CC_II; /* inhibit FIRQ and IRQ */ |
| 638 | | PCD = RM16(0xfffc); |
| 639 | | } |
| 640 | | else if (irqline < 2) |
| 641 | | { |
| 642 | | LOG(("M6809 '%s' set_irq_line %d, %d\n", m_tag, irqline, state)); |
| 643 | | m_irq_state[irqline] = state; |
| 644 | | if (state == CLEAR_LINE) return; |
| 645 | | check_irq_lines(); |
| 646 | | } |
| 647 | | } |
| 648 | | |
| 649 | | /**************************************************************************** |
| 650 | | * includes the actual opcode implementations |
| 651 | | ****************************************************************************/ |
| 652 | | #include "6809tbl.c" |
| 653 | | |
| 654 | | #include "6809ops.c" |
| 655 | | |
| 656 | | //************************************************************************** |
| 657 | 368 | // CORE EXECUTION LOOP |
| 658 | 369 | //************************************************************************** |
| 659 | 370 | |
| r21564 | r21565 | |
| 686 | 397 | |
| 687 | 398 | UINT32 m6809_base_device::execute_min_cycles() const |
| 688 | 399 | { |
| 689 | | return 2; |
| 400 | return 1; |
| 690 | 401 | } |
| 691 | 402 | |
| 692 | 403 | |
| r21564 | r21565 | |
| 719 | 430 | |
| 720 | 431 | void m6809_base_device::execute_set_input(int inputnum, int state) |
| 721 | 432 | { |
| 433 | if (LOG_INTERRUPTS) |
| 434 | logerror("%s: inputnum=%s state=%d totalcycles=%d\n", machine().describe_context(), inputnum_string(inputnum), state, (int) attotime_to_clocks(machine().time())); |
| 435 | |
| 722 | 436 | switch(inputnum) |
| 723 | 437 | { |
| 438 | case INPUT_LINE_NMI: |
| 439 | // NMI is edge triggered |
| 440 | m_nmi_asserted = m_nmi_asserted || ((state != CLEAR_LINE) && !m_nmi_line && m_lds_encountered); |
| 441 | m_nmi_line = (state != CLEAR_LINE); |
| 442 | break; |
| 443 | |
| 724 | 444 | case M6809_FIRQ_LINE: |
| 725 | | set_irq_line(M6809_FIRQ_LINE, state); |
| 445 | // FIRQ is line triggered |
| 446 | m_firq_line = (state != CLEAR_LINE); |
| 726 | 447 | break; |
| 448 | |
| 727 | 449 | case M6809_IRQ_LINE: |
| 728 | | set_irq_line(M6809_IRQ_LINE, state); |
| 450 | // IRQ is line triggered |
| 451 | m_irq_line = (state != CLEAR_LINE); |
| 729 | 452 | break; |
| 730 | | case INPUT_LINE_NMI: |
| 731 | | set_irq_line(INPUT_LINE_NMI, state); |
| 732 | | break; |
| 733 | 453 | } |
| 734 | 454 | } |
| 735 | 455 | |
| 736 | 456 | |
| 737 | 457 | //------------------------------------------------- |
| 738 | | // execute_run - execute a timeslice's worth of |
| 739 | | // opcodes |
| 458 | // inputnum_string |
| 740 | 459 | //------------------------------------------------- |
| 741 | 460 | |
| 742 | | void m6809_base_device::execute_run() |
| 461 | const char *m6809_base_device::inputnum_string(int inputnum) |
| 743 | 462 | { |
| 744 | | m_icount -= m_extra_cycles; |
| 745 | | m_extra_cycles = 0; |
| 746 | | |
| 747 | | check_irq_lines(); |
| 748 | | |
| 749 | | if (m_int_state & (M6809_CWAI | M6809_SYNC)) |
| 463 | switch(inputnum) |
| 750 | 464 | { |
| 751 | | debugger_instruction_hook(this, PCD); |
| 752 | | m_icount = 0; |
| 465 | case INPUT_LINE_NMI: return "NMI"; |
| 466 | case M6809_FIRQ_LINE: return "FIRQ"; |
| 467 | case M6809_IRQ_LINE: return "IRQ"; |
| 468 | default: return "???"; |
| 753 | 469 | } |
| 754 | | else |
| 755 | | { |
| 756 | | do |
| 757 | | { |
| 758 | | pPPC = pPC; |
| 470 | } |
| 759 | 471 | |
| 760 | | debugger_instruction_hook(this, PCD); |
| 761 | 472 | |
| 762 | | m_ireg = ROP(PCD); |
| 763 | | PC++; |
| 764 | | (this->*m_opcode[m_ireg])(); |
| 765 | | m_icount -= m_cycles1[m_ireg]; |
| 473 | //------------------------------------------------- |
| 474 | // log_illegal - used to log hits to illegal |
| 475 | // instructions (except for HD6309 which traps) |
| 476 | //------------------------------------------------- |
| 766 | 477 | |
| 767 | | } while( m_icount > 0 ); |
| 768 | | |
| 769 | | m_icount -= m_extra_cycles; |
| 770 | | m_extra_cycles = 0; |
| 771 | | } |
| 478 | void m6809_base_device::log_illegal() |
| 479 | { |
| 480 | logerror("%s: illegal opcode at %04x\n", machine().describe_context(), (unsigned) m_pc.w); |
| 772 | 481 | } |
| 773 | 482 | |
| 774 | | void m6809_base_device::fetch_effective_address() |
| 775 | | { |
| 776 | | UINT8 postbyte = ROP_ARG(PCD); |
| 777 | | PC++; |
| 778 | 483 | |
| 779 | | switch(postbyte) |
| 484 | //------------------------------------------------- |
| 485 | // execute_one - try to execute a single instruction |
| 486 | //------------------------------------------------- |
| 487 | |
| 488 | ATTR_FORCE_INLINE void m6809_base_device::execute_one() |
| 489 | { |
| 490 | switch(pop_state()) |
| 780 | 491 | { |
| 781 | | case 0x00: EA=X; break; |
| 782 | | case 0x01: EA=X+1; break; |
| 783 | | case 0x02: EA=X+2; break; |
| 784 | | case 0x03: EA=X+3; break; |
| 785 | | case 0x04: EA=X+4; break; |
| 786 | | case 0x05: EA=X+5; break; |
| 787 | | case 0x06: EA=X+6; break; |
| 788 | | case 0x07: EA=X+7; break; |
| 789 | | case 0x08: EA=X+8; break; |
| 790 | | case 0x09: EA=X+9; break; |
| 791 | | case 0x0a: EA=X+10; break; |
| 792 | | case 0x0b: EA=X+11; break; |
| 793 | | case 0x0c: EA=X+12; break; |
| 794 | | case 0x0d: EA=X+13; break; |
| 795 | | case 0x0e: EA=X+14; break; |
| 796 | | case 0x0f: EA=X+15; break; |
| 492 | #include "cpu/m6809/m6809.inc" |
| 493 | } |
| 494 | } |
| 797 | 495 | |
| 798 | | case 0x10: EA=X-16; break; |
| 799 | | case 0x11: EA=X-15; break; |
| 800 | | case 0x12: EA=X-14; break; |
| 801 | | case 0x13: EA=X-13; break; |
| 802 | | case 0x14: EA=X-12; break; |
| 803 | | case 0x15: EA=X-11; break; |
| 804 | | case 0x16: EA=X-10; break; |
| 805 | | case 0x17: EA=X-9; break; |
| 806 | | case 0x18: EA=X-8; break; |
| 807 | | case 0x19: EA=X-7; break; |
| 808 | | case 0x1a: EA=X-6; break; |
| 809 | | case 0x1b: EA=X-5; break; |
| 810 | | case 0x1c: EA=X-4; break; |
| 811 | | case 0x1d: EA=X-3; break; |
| 812 | | case 0x1e: EA=X-2; break; |
| 813 | | case 0x1f: EA=X-1; break; |
| 814 | 496 | |
| 815 | | case 0x20: EA=Y; break; |
| 816 | | case 0x21: EA=Y+1; break; |
| 817 | | case 0x22: EA=Y+2; break; |
| 818 | | case 0x23: EA=Y+3; break; |
| 819 | | case 0x24: EA=Y+4; break; |
| 820 | | case 0x25: EA=Y+5; break; |
| 821 | | case 0x26: EA=Y+6; break; |
| 822 | | case 0x27: EA=Y+7; break; |
| 823 | | case 0x28: EA=Y+8; break; |
| 824 | | case 0x29: EA=Y+9; break; |
| 825 | | case 0x2a: EA=Y+10; break; |
| 826 | | case 0x2b: EA=Y+11; break; |
| 827 | | case 0x2c: EA=Y+12; break; |
| 828 | | case 0x2d: EA=Y+13; break; |
| 829 | | case 0x2e: EA=Y+14; break; |
| 830 | | case 0x2f: EA=Y+15; break; |
| 497 | //------------------------------------------------- |
| 498 | // execute_run - execute a timeslice's worth of |
| 499 | // opcodes |
| 500 | //------------------------------------------------- |
| 831 | 501 | |
| 832 | | case 0x30: EA=Y-16; break; |
| 833 | | case 0x31: EA=Y-15; break; |
| 834 | | case 0x32: EA=Y-14; break; |
| 835 | | case 0x33: EA=Y-13; break; |
| 836 | | case 0x34: EA=Y-12; break; |
| 837 | | case 0x35: EA=Y-11; break; |
| 838 | | case 0x36: EA=Y-10; break; |
| 839 | | case 0x37: EA=Y-9; break; |
| 840 | | case 0x38: EA=Y-8; break; |
| 841 | | case 0x39: EA=Y-7; break; |
| 842 | | case 0x3a: EA=Y-6; break; |
| 843 | | case 0x3b: EA=Y-5; break; |
| 844 | | case 0x3c: EA=Y-4; break; |
| 845 | | case 0x3d: EA=Y-3; break; |
| 846 | | case 0x3e: EA=Y-2; break; |
| 847 | | case 0x3f: EA=Y-1; break; |
| 502 | void m6809_base_device::execute_run() |
| 503 | { |
| 504 | do |
| 505 | { |
| 506 | execute_one(); |
| 507 | } while(m_icount > 0); |
| 508 | } |
| 848 | 509 | |
| 849 | | case 0x40: EA=U; break; |
| 850 | | case 0x41: EA=U+1; break; |
| 851 | | case 0x42: EA=U+2; break; |
| 852 | | case 0x43: EA=U+3; break; |
| 853 | | case 0x44: EA=U+4; break; |
| 854 | | case 0x45: EA=U+5; break; |
| 855 | | case 0x46: EA=U+6; break; |
| 856 | | case 0x47: EA=U+7; break; |
| 857 | | case 0x48: EA=U+8; break; |
| 858 | | case 0x49: EA=U+9; break; |
| 859 | | case 0x4a: EA=U+10; break; |
| 860 | | case 0x4b: EA=U+11; break; |
| 861 | | case 0x4c: EA=U+12; break; |
| 862 | | case 0x4d: EA=U+13; break; |
| 863 | | case 0x4e: EA=U+14; break; |
| 864 | | case 0x4f: EA=U+15; break; |
| 865 | 510 | |
| 866 | | case 0x50: EA=U-16; break; |
| 867 | | case 0x51: EA=U-15; break; |
| 868 | | case 0x52: EA=U-14; break; |
| 869 | | case 0x53: EA=U-13; break; |
| 870 | | case 0x54: EA=U-12; break; |
| 871 | | case 0x55: EA=U-11; break; |
| 872 | | case 0x56: EA=U-10; break; |
| 873 | | case 0x57: EA=U-9; break; |
| 874 | | case 0x58: EA=U-8; break; |
| 875 | | case 0x59: EA=U-7; break; |
| 876 | | case 0x5a: EA=U-6; break; |
| 877 | | case 0x5b: EA=U-5; break; |
| 878 | | case 0x5c: EA=U-4; break; |
| 879 | | case 0x5d: EA=U-3; break; |
| 880 | | case 0x5e: EA=U-2; break; |
| 881 | | case 0x5f: EA=U-1; break; |
| 882 | 511 | |
| 883 | | case 0x60: EA=S; break; |
| 884 | | case 0x61: EA=S+1; break; |
| 885 | | case 0x62: EA=S+2; break; |
| 886 | | case 0x63: EA=S+3; break; |
| 887 | | case 0x64: EA=S+4; break; |
| 888 | | case 0x65: EA=S+5; break; |
| 889 | | case 0x66: EA=S+6; break; |
| 890 | | case 0x67: EA=S+7; break; |
| 891 | | case 0x68: EA=S+8; break; |
| 892 | | case 0x69: EA=S+9; break; |
| 893 | | case 0x6a: EA=S+10; break; |
| 894 | | case 0x6b: EA=S+11; break; |
| 895 | | case 0x6c: EA=S+12; break; |
| 896 | | case 0x6d: EA=S+13; break; |
| 897 | | case 0x6e: EA=S+14; break; |
| 898 | | case 0x6f: EA=S+15; break; |
| 512 | //------------------------------------------------- |
| 513 | // m6809_device |
| 514 | //------------------------------------------------- |
| 899 | 515 | |
| 900 | | case 0x70: EA=S-16; break; |
| 901 | | case 0x71: EA=S-15; break; |
| 902 | | case 0x72: EA=S-14; break; |
| 903 | | case 0x73: EA=S-13; break; |
| 904 | | case 0x74: EA=S-12; break; |
| 905 | | case 0x75: EA=S-11; break; |
| 906 | | case 0x76: EA=S-10; break; |
| 907 | | case 0x77: EA=S-9; break; |
| 908 | | case 0x78: EA=S-8; break; |
| 909 | | case 0x79: EA=S-7; break; |
| 910 | | case 0x7a: EA=S-6; break; |
| 911 | | case 0x7b: EA=S-5; break; |
| 912 | | case 0x7c: EA=S-4; break; |
| 913 | | case 0x7d: EA=S-3; break; |
| 914 | | case 0x7e: EA=S-2; break; |
| 915 | | case 0x7f: EA=S-1; break; |
| 516 | m6809_device::m6809_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) |
| 517 | : m6809_base_device(mconfig, "M6809", tag, owner, clock, M6809, 1) |
| 518 | { |
| 519 | } |
| 916 | 520 | |
| 917 | | case 0x80: EA=X; X++; break; |
| 918 | | case 0x81: EA=X; X+=2; break; |
| 919 | | case 0x82: X--; EA=X; break; |
| 920 | | case 0x83: X-=2; EA=X; break; |
| 921 | | case 0x84: EA=X; break; |
| 922 | | case 0x85: EA=X+SIGNED(B); break; |
| 923 | | case 0x86: EA=X+SIGNED(A); break; |
| 924 | | case 0x87: EA=0; break; /* ILLEGAL*/ |
| 925 | | case 0x88: IMMBYTE(EA); EA=X+SIGNED(EA); break; |
| 926 | | case 0x89: IMMWORD(EAP); EA+=X; break; |
| 927 | | case 0x8a: EA=0; break; /* IIError*/ |
| 928 | | case 0x8b: EA=X+D; break; |
| 929 | | case 0x8c: IMMBYTE(EA); EA=PC+SIGNED(EA); break; |
| 930 | | case 0x8d: IMMWORD(EAP); EA+=PC; break; |
| 931 | | case 0x8e: EA=0; break; /* ILLEGAL*/ |
| 932 | | case 0x8f: IMMWORD(EAP); break; |
| 933 | 521 | |
| 934 | | case 0x90: EA=X; X++; EAD=RM16(EAD); break; /* Indirect ,R+ not in my specs */ |
| 935 | | case 0x91: EA=X; X+=2; EAD=RM16(EAD); break; |
| 936 | | case 0x92: X--; EA=X; EAD=RM16(EAD); break; |
| 937 | | case 0x93: X-=2; EA=X; EAD=RM16(EAD); break; |
| 938 | | case 0x94: EA=X; EAD=RM16(EAD); break; |
| 939 | | case 0x95: EA=X+SIGNED(B); EAD=RM16(EAD); break; |
| 940 | | case 0x96: EA=X+SIGNED(A); EAD=RM16(EAD); break; |
| 941 | | case 0x97: EA=0; break; /* ILLEGAL*/ |
| 942 | | case 0x98: IMMBYTE(EA); EA=X+SIGNED(EA); EAD=RM16(EAD); break; |
| 943 | | case 0x99: IMMWORD(EAP); EA+=X; EAD=RM16(EAD); break; |
| 944 | | case 0x9a: EA=0; break; /* ILLEGAL*/ |
| 945 | | case 0x9b: EA=X+D; EAD=RM16(EAD); break; |
| 946 | | case 0x9c: IMMBYTE(EA); EA=PC+SIGNED(EA); EAD=RM16(EAD); break; |
| 947 | | case 0x9d: IMMWORD(EAP); EA+=PC; EAD=RM16(EAD); break; |
| 948 | | case 0x9e: EA=0; break; /* ILLEGAL*/ |
| 949 | | case 0x9f: IMMWORD(EAP); EAD=RM16(EAD); break; |
| 950 | 522 | |
| 951 | | case 0xa0: EA=Y; Y++; break; |
| 952 | | case 0xa1: EA=Y; Y+=2; break; |
| 953 | | case 0xa2: Y--; EA=Y; break; |
| 954 | | case 0xa3: Y-=2; EA=Y; break; |
| 955 | | case 0xa4: EA=Y; break; |
| 956 | | case 0xa5: EA=Y+SIGNED(B); break; |
| 957 | | case 0xa6: EA=Y+SIGNED(A); break; |
| 958 | | case 0xa7: EA=0; break; /* ILLEGAL*/ |
| 959 | | case 0xa8: IMMBYTE(EA); EA=Y+SIGNED(EA); break; |
| 960 | | case 0xa9: IMMWORD(EAP); EA+=Y; break; |
| 961 | | case 0xaa: EA=0; break; /* ILLEGAL*/ |
| 962 | | case 0xab: EA=Y+D; break; |
| 963 | | case 0xac: IMMBYTE(EA); EA=PC+SIGNED(EA); break; |
| 964 | | case 0xad: IMMWORD(EAP); EA+=PC; break; |
| 965 | | case 0xae: EA=0; break; /* ILLEGAL*/ |
| 966 | | case 0xaf: IMMWORD(EAP); break; |
| 523 | //------------------------------------------------- |
| 524 | // m6809e_device |
| 525 | //------------------------------------------------- |
| 967 | 526 | |
| 968 | | case 0xb0: EA=Y; Y++; EAD=RM16(EAD); break; |
| 969 | | case 0xb1: EA=Y; Y+=2; EAD=RM16(EAD); break; |
| 970 | | case 0xb2: Y--; EA=Y; EAD=RM16(EAD); break; |
| 971 | | case 0xb3: Y-=2; EA=Y; EAD=RM16(EAD); break; |
| 972 | | case 0xb4: EA=Y; EAD=RM16(EAD); break; |
| 973 | | case 0xb5: EA=Y+SIGNED(B); EAD=RM16(EAD); break; |
| 974 | | case 0xb6: EA=Y+SIGNED(A); EAD=RM16(EAD); break; |
| 975 | | case 0xb7: EA=0; break; /* ILLEGAL*/ |
| 976 | | case 0xb8: IMMBYTE(EA); EA=Y+SIGNED(EA); EAD=RM16(EAD); break; |
| 977 | | case 0xb9: IMMWORD(EAP); EA+=Y; EAD=RM16(EAD); break; |
| 978 | | case 0xba: EA=0; break; /* ILLEGAL*/ |
| 979 | | case 0xbb: EA=Y+D; EAD=RM16(EAD); break; |
| 980 | | case 0xbc: IMMBYTE(EA); EA=PC+SIGNED(EA); EAD=RM16(EAD); break; |
| 981 | | case 0xbd: IMMWORD(EAP); EA+=PC; EAD=RM16(EAD); break; |
| 982 | | case 0xbe: EA=0; break; /* ILLEGAL*/ |
| 983 | | case 0xbf: IMMWORD(EAP); EAD=RM16(EAD); break; |
| 984 | | |
| 985 | | case 0xc0: EA=U; U++; break; |
| 986 | | case 0xc1: EA=U; U+=2; break; |
| 987 | | case 0xc2: U--; EA=U; break; |
| 988 | | case 0xc3: U-=2; EA=U; break; |
| 989 | | case 0xc4: EA=U; break; |
| 990 | | case 0xc5: EA=U+SIGNED(B); break; |
| 991 | | case 0xc6: EA=U+SIGNED(A); break; |
| 992 | | case 0xc7: EA=0; break; /*ILLEGAL*/ |
| 993 | | case 0xc8: IMMBYTE(EA); EA=U+SIGNED(EA); break; |
| 994 | | case 0xc9: IMMWORD(EAP); EA+=U; break; |
| 995 | | case 0xca: EA=0; break; /*ILLEGAL*/ |
| 996 | | case 0xcb: EA=U+D; break; |
| 997 | | case 0xcc: IMMBYTE(EA); EA=PC+SIGNED(EA); break; |
| 998 | | case 0xcd: IMMWORD(EAP); EA+=PC; break; |
| 999 | | case 0xce: EA=0; break; /*ILLEGAL*/ |
| 1000 | | case 0xcf: IMMWORD(EAP); break; |
| 1001 | | |
| 1002 | | case 0xd0: EA=U; U++; EAD=RM16(EAD); break; |
| 1003 | | case 0xd1: EA=U; U+=2; EAD=RM16(EAD); break; |
| 1004 | | case 0xd2: U--; EA=U; EAD=RM16(EAD); break; |
| 1005 | | case 0xd3: U-=2; EA=U; EAD=RM16(EAD); break; |
| 1006 | | case 0xd4: EA=U; EAD=RM16(EAD); break; |
| 1007 | | case 0xd5: EA=U+SIGNED(B); EAD=RM16(EAD); break; |
| 1008 | | case 0xd6: EA=U+SIGNED(A); EAD=RM16(EAD); break; |
| 1009 | | case 0xd7: EA=0; break; /*ILLEGAL*/ |
| 1010 | | case 0xd8: IMMBYTE(EA); EA=U+SIGNED(EA); EAD=RM16(EAD); break; |
| 1011 | | case 0xd9: IMMWORD(EAP); EA+=U; EAD=RM16(EAD); break; |
| 1012 | | case 0xda: EA=0; break; /*ILLEGAL*/ |
| 1013 | | case 0xdb: EA=U+D; EAD=RM16(EAD); break; |
| 1014 | | case 0xdc: IMMBYTE(EA); EA=PC+SIGNED(EA); EAD=RM16(EAD); break; |
| 1015 | | case 0xdd: IMMWORD(EAP); EA+=PC; EAD=RM16(EAD); break; |
| 1016 | | case 0xde: EA=0; break; /*ILLEGAL*/ |
| 1017 | | case 0xdf: IMMWORD(EAP); EAD=RM16(EAD); break; |
| 1018 | | |
| 1019 | | case 0xe0: EA=S; S++; break; |
| 1020 | | case 0xe1: EA=S; S+=2; break; |
| 1021 | | case 0xe2: S--; EA=S; break; |
| 1022 | | case 0xe3: S-=2; EA=S; break; |
| 1023 | | case 0xe4: EA=S; break; |
| 1024 | | case 0xe5: EA=S+SIGNED(B); break; |
| 1025 | | case 0xe6: EA=S+SIGNED(A); break; |
| 1026 | | case 0xe7: EA=0; break; /*ILLEGAL*/ |
| 1027 | | case 0xe8: IMMBYTE(EA); EA=S+SIGNED(EA); break; |
| 1028 | | case 0xe9: IMMWORD(EAP); EA+=S; break; |
| 1029 | | case 0xea: EA=0; break; /*ILLEGAL*/ |
| 1030 | | case 0xeb: EA=S+D; break; |
| 1031 | | case 0xec: IMMBYTE(EA); EA=PC+SIGNED(EA); break; |
| 1032 | | case 0xed: IMMWORD(EAP); EA+=PC; break; |
| 1033 | | case 0xee: EA=0; break; /*ILLEGAL*/ |
| 1034 | | case 0xef: IMMWORD(EAP); break; |
| 1035 | | |
| 1036 | | case 0xf0: EA=S; S++; EAD=RM16(EAD); break; |
| 1037 | | case 0xf1: EA=S; S+=2; EAD=RM16(EAD); break; |
| 1038 | | case 0xf2: S--; EA=S; EAD=RM16(EAD); break; |
| 1039 | | case 0xf3: S-=2; EA=S; EAD=RM16(EAD); break; |
| 1040 | | case 0xf4: EA=S; EAD=RM16(EAD); break; |
| 1041 | | case 0xf5: EA=S+SIGNED(B); EAD=RM16(EAD); break; |
| 1042 | | case 0xf6: EA=S+SIGNED(A); EAD=RM16(EAD); break; |
| 1043 | | case 0xf7: EA=0; break; /*ILLEGAL*/ |
| 1044 | | case 0xf8: IMMBYTE(EA); EA=S+SIGNED(EA); EAD=RM16(EAD); break; |
| 1045 | | case 0xf9: IMMWORD(EAP); EA+=S; EAD=RM16(EAD); break; |
| 1046 | | case 0xfa: EA=0; break; /*ILLEGAL*/ |
| 1047 | | case 0xfb: EA=S+D; EAD=RM16(EAD); break; |
| 1048 | | case 0xfc: IMMBYTE(EA); EA=PC+SIGNED(EA); EAD=RM16(EAD); break; |
| 1049 | | case 0xfd: IMMWORD(EAP); EA+=PC; EAD=RM16(EAD); break; |
| 1050 | | case 0xfe: EA=0; break; /*ILLEGAL*/ |
| 1051 | | case 0xff: IMMWORD(EAP); EAD=RM16(EAD); break; |
| 1052 | | } |
| 1053 | | m_icount -= m_index_cycle_em[postbyte]; |
| 527 | m6809e_device::m6809e_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) |
| 528 | : m6809_base_device(mconfig, "M6809E", tag, owner, clock, M6809E, 4) |
| 529 | { |
| 1054 | 530 | } |
trunk/src/emu/cpu/m6809/knmidasm.c
| r0 | r21565 | |
| 1 | #include "emu.h" |
| 2 | #include "debugger.h" |
| 3 | #include "konami.h" |
| 4 | |
| 5 | #ifndef TRUE |
| 6 | #define TRUE -1 |
| 7 | #define FALSE 0 |
| 8 | #endif |
| 9 | |
| 10 | /* |
| 11 | |
| 12 | 0x08 leax indexed |
| 13 | 0x09 leay indexed (not confirmed) |
| 14 | 0x0a leau indexed |
| 15 | 0x0b leas indexed (not confirmed) |
| 16 | |
| 17 | 0x0c pushs xx |
| 18 | 0x0d pushu xx (not confirmed) |
| 19 | 0x0e pulls xx |
| 20 | 0x0f pulls xx (not confirmed) |
| 21 | |
| 22 | 0x10 lda xx |
| 23 | 0x11 ldb xx |
| 24 | 0x12 lda indexed |
| 25 | 0x13 ldb indexed |
| 26 | |
| 27 | 0x14 adda xx |
| 28 | 0x15 addb xx (not confirmed) |
| 29 | 0x16 adda indexed (not confirmed) |
| 30 | 0x17 addb indexed |
| 31 | |
| 32 | 0x18 adca xx |
| 33 | 0x19 adcb xx (not confirmed) |
| 34 | 0x1a adca indexed (not confirmed) |
| 35 | 0x1b adcb indexed (not confirmed) |
| 36 | |
| 37 | 0x1c suba xx |
| 38 | 0x1d subb xx |
| 39 | 0x1e suba indexed |
| 40 | 0x1f subb indexed |
| 41 | |
| 42 | 0x20 sbca xx |
| 43 | 0x21 sbcb xx |
| 44 | 0x22 sbca indexed |
| 45 | 0x23 sbcb indexed |
| 46 | |
| 47 | 0x24 anda xx |
| 48 | 0x25 andb xx |
| 49 | 0x26 anda indexed |
| 50 | 0x27 andb indexed |
| 51 | |
| 52 | 0x28 bita xx |
| 53 | 0x29 bitb xx |
| 54 | 0x2a bita indexed |
| 55 | 0x2b bitb indexed |
| 56 | |
| 57 | 0x2c eora xx |
| 58 | 0x2d eorb xx |
| 59 | 0x2e eora indexed |
| 60 | 0x2f eorb indexed |
| 61 | |
| 62 | 0x30 ora xx |
| 63 | 0x31 orb xx |
| 64 | 0x32 ora indexed |
| 65 | 0x33 orb indexed |
| 66 | |
| 67 | 0x34 cmpa xx |
| 68 | 0x35 cmpb xx |
| 69 | 0x36 cmpa indexed |
| 70 | 0x37 cmpb indexed |
| 71 | |
| 72 | CUSTOM OPCODE: Set Address lines 16-23 |
| 73 | -------------------------------------- |
| 74 | 0x38 setlines xx |
| 75 | 0x39 setlines indexed |
| 76 | |
| 77 | The eight bits taken as parameter set address lines 16 to 23. |
| 78 | |
| 79 | |
| 80 | 0x3a sta indexed |
| 81 | 0x3b stb indexed |
| 82 | 0x3c andcc |
| 83 | 0x3d orcc |
| 84 | |
| 85 | 0x3e exg xx |
| 86 | 0x3f tfr xx |
| 87 | |
| 88 | 0x40 ldd xx xx |
| 89 | 0x41 ldd indexed |
| 90 | 0x42 ldx xx xx |
| 91 | 0x43 ldx indexed |
| 92 | 0x44 ldy xx xx |
| 93 | 0x45 ldy indexed (not confirmed) |
| 94 | 0x46 ldu xx xx |
| 95 | 0x47 ldu indexed |
| 96 | 0x48 lds xx xx |
| 97 | 0x49 lds indexed (not confirmed) |
| 98 | |
| 99 | 0x4a cmpd xx xx |
| 100 | 0x4b cmpd indexed |
| 101 | 0x4c cmpx xx xx |
| 102 | 0x4d cmpx indexed |
| 103 | 0x4e cmpy xx xx (not confirmed) |
| 104 | 0x4f cmpy indexed (not confirmed) |
| 105 | 0x50 cmpu xx xx (not confirmed) |
| 106 | 0x51 cmpu indexed (not confirmed) |
| 107 | 0x52 cmps xx xx (not confirmed) |
| 108 | 0x53 cmps indexed (not confirmed) |
| 109 | |
| 110 | 0x54 addd xx xx |
| 111 | 0x55 addd indexed (not confirmed) |
| 112 | 0x56 subd xx xx |
| 113 | 0x57 subd indexed (not confirmed) |
| 114 | |
| 115 | 0x58 std indexed |
| 116 | 0x59 stx indexed |
| 117 | 0x5a sty indexed |
| 118 | 0x5b stu indexed |
| 119 | 0x5c sts indexed (not confirmed) |
| 120 | |
| 121 | |
| 122 | BRANCH OPCODE TABLE : |
| 123 | --------------------- |
| 124 | |
| 125 | Opcode M6809 Konami |
| 126 | BRA 20 60 |
| 127 | BRN 21 70 |
| 128 | BHI 22 61 |
| 129 | BLS 23 71 |
| 130 | BCC 24 62 |
| 131 | BCS 25 72 |
| 132 | BNE 26 63 |
| 133 | BEQ 27 73 |
| 134 | BVC 28 64 |
| 135 | BVS 29 74 |
| 136 | BPL 2a 65 |
| 137 | BMI 2b 75 |
| 138 | BGE 2c 66 |
| 139 | BLT 2d 76 |
| 140 | BGT 2e 67 |
| 141 | BLE 2f 77 |
| 142 | |
| 143 | Long versions of the branchs are the number + 8. |
| 144 | |
| 145 | 0x80 clra |
| 146 | 0x81 clrb |
| 147 | 0x82 clr indexed |
| 148 | |
| 149 | 0x83 coma |
| 150 | 0x84 comb |
| 151 | 0x85 com indexed |
| 152 | |
| 153 | 0x86 nega (not confirmed) |
| 154 | 0x87 negb (not confirmed) |
| 155 | 0x88 neg indexed (not confirmed) |
| 156 | |
| 157 | 0x89 inca |
| 158 | 0x8a incb (not confirmed) |
| 159 | 0x8b inc indexed |
| 160 | |
| 161 | 0x8c deca |
| 162 | 0x8d decb |
| 163 | 0x8e dec indexed |
| 164 | |
| 165 | 0x8f rts |
| 166 | |
| 167 | 0x90 tsta (not confirmed) |
| 168 | 0x91 tstb (not confirmed) |
| 169 | 0x92 tst indexed (not confirmed) |
| 170 | |
| 171 | 0x93 lsra |
| 172 | 0x94 lsrb |
| 173 | 0x95 lsr indexed |
| 174 | |
| 175 | 0x96 rora |
| 176 | 0x97 rorb |
| 177 | 0x98 ror indexed |
| 178 | |
| 179 | 0x99 asra |
| 180 | 0x9a asrb |
| 181 | 0x9b asr indexed |
| 182 | |
| 183 | 0x9c asla |
| 184 | 0x9d aslb |
| 185 | 0x9e asl indexed |
| 186 | |
| 187 | 0x9f rti |
| 188 | |
| 189 | 0xa0 rola |
| 190 | 0xa1 rolb |
| 191 | 0xa2 rol indexed |
| 192 | |
| 193 | 0xa3 lsrw indexed ( not confirmed ) |
| 194 | 0xa4 rorw indexed ( not confirmed ) |
| 195 | 0xa5 asrw indexed ( not confirmed ) |
| 196 | 0xa6 aslw indexed ( not confirmed ) |
| 197 | 0xa7 rolw indexed ( not confirmed ) |
| 198 | |
| 199 | 0xa8 jmp indexed |
| 200 | 0xa9 jsr indexed |
| 201 | 0xaa bsr xx |
| 202 | 0xab lbsr xx xx |
| 203 | 0xac decb,jnz xx |
| 204 | 0xad decx,jnz xx |
| 205 | 0xae nop |
| 206 | |
| 207 | 0xb0 abx |
| 208 | 0xb1 daa |
| 209 | 0xb2 sex |
| 210 | |
| 211 | 0xb3 mul |
| 212 | |
| 213 | 0xb4 lmul x:y = x * y |
| 214 | |
| 215 | 0xb5 divx x = ( x / b ), b = ( x % b ) |
| 216 | |
| 217 | CUSTOM OPCODE: BlockMove (y,x,u): |
| 218 | --------------------------------- |
| 219 | 0xb6 bmove y,x,u |
| 220 | |
| 221 | y = pointer to source address |
| 222 | x = pointer to destination address |
| 223 | u = bytes to move |
| 224 | |
| 225 | One byte is copied at a time and x and y get incremented for each access. |
| 226 | |
| 227 | CUSTOM OPCODE: Move (y,x,u): |
| 228 | --------------------------------- |
| 229 | 0xb7 move y,x,u |
| 230 | |
| 231 | y = pointer to source address |
| 232 | x = pointer to destination address |
| 233 | u = counter |
| 234 | |
| 235 | Copy ONE byte, increment x and y, decrement u. |
| 236 | |
| 237 | 0xb8 lsrd xx |
| 238 | 0xb9 lsrd indexed |
| 239 | 0xba rord xx ( not confirmed ) |
| 240 | 0xbb rord indexed ( not confirmed ) |
| 241 | 0xbc asrd xx ( not confirmed ) |
| 242 | 0xbd asrd indexed ( not confirmed ) |
| 243 | 0xbe asld xx |
| 244 | 0xbf asld indexed ( not confirmed ) |
| 245 | 0xc0 rold xx ( not confirmed ) |
| 246 | 0xc1 rold indexed ( not confirmed ) |
| 247 | |
| 248 | 0xc2 clrd |
| 249 | 0xc3 clrw indexed ( clears an entire word ) ( not confirmed ) |
| 250 | |
| 251 | 0xc4 negd (not confirmed ) |
| 252 | 0xc5 negw indexed |
| 253 | |
| 254 | 0xc6 incd (not confirmed ) |
| 255 | 0xc7 incw indexed |
| 256 | |
| 257 | 0xc8 decd (not confirmed ) |
| 258 | 0xc9 decw indexed |
| 259 | |
| 260 | 0xca tstd |
| 261 | 0xcb tstw indexed |
| 262 | |
| 263 | 0xcc absa |
| 264 | 0xcd absb |
| 265 | 0xce absd |
| 266 | |
| 267 | CUSTOM OPCODE: BlockSet (a,x,u): |
| 268 | --------------------------------- |
| 269 | 0xcf bset a,x,u |
| 270 | |
| 271 | a = source data |
| 272 | x = pointer to destination address |
| 273 | u = bytes to move |
| 274 | |
| 275 | One byte is copied at a time and x get incremented for each access. |
| 276 | |
| 277 | CUSTOM OPCODE: BlockSet (d,x,u): (not confirmed) |
| 278 | -------------------------------- |
| 279 | 0xd0 bset d,x,u |
| 280 | |
| 281 | d = source data |
| 282 | x = pointer to destination address |
| 283 | u = bytes to move/2 |
| 284 | |
| 285 | Two bytes are copied at a time and x get incremented twice for each access. |
| 286 | |
| 287 | */ |
| 288 | |
| 289 | static unsigned byte_count; |
| 290 | static unsigned local_pc; |
| 291 | static unsigned flags; |
| 292 | |
| 293 | static const unsigned char *opram_ptr; |
| 294 | |
| 295 | static unsigned char get_next_byte( void ) { |
| 296 | return opram_ptr[byte_count++]; |
| 297 | } |
| 298 | |
| 299 | /* Table for indexed operations */ |
| 300 | static const char index_reg[8][3] = { |
| 301 | "?", /* 0 - extended mode */ |
| 302 | "?", /* 1 */ |
| 303 | "x", /* 2 */ |
| 304 | "y", /* 3 */ |
| 305 | "?", /* 4 - direct page */ |
| 306 | "u", /* 5 */ |
| 307 | "s", /* 6 */ |
| 308 | "pc" /* 7 - pc */ |
| 309 | }; |
| 310 | |
| 311 | /* Table for tfr/exg operations */ |
| 312 | static const char tfrexg_reg[8][3] = { |
| 313 | "a", /* 0 */ |
| 314 | "b", /* 1 */ |
| 315 | "x", /* 2 */ |
| 316 | "y", /* 3 */ |
| 317 | "s", /* 4 */ |
| 318 | "u", /* 5 */ |
| 319 | "?", /* 6 */ |
| 320 | "?", /* 7 */ |
| 321 | }; |
| 322 | |
| 323 | /* Table for stack S operations */ |
| 324 | static const char stack_reg_s[8][3] = { |
| 325 | "cc", |
| 326 | "a", |
| 327 | "b", |
| 328 | "dp", |
| 329 | "x", |
| 330 | "y", |
| 331 | "u", |
| 332 | "pc" |
| 333 | }; |
| 334 | |
| 335 | /* Table for stack U operations */ |
| 336 | static const char stack_reg_u[8][3] = { |
| 337 | "cc", |
| 338 | "a", |
| 339 | "b", |
| 340 | "dp", |
| 341 | "x", |
| 342 | "y", |
| 343 | "s", |
| 344 | "pc" |
| 345 | }; |
| 346 | |
| 347 | static void calc_indexed( unsigned char mode, char *buf ) { |
| 348 | char buf2[30]; |
| 349 | int idx, type; |
| 350 | |
| 351 | idx = ( mode >> 4 ) & 7; |
| 352 | type = mode & 0x0f; |
| 353 | |
| 354 | /* special modes */ |
| 355 | if ( mode & 0x80 ) { |
| 356 | if ( type & 8 ) { /* indirect */ |
| 357 | switch ( type & 7 ) { |
| 358 | case 0x00: /* register a */ |
| 359 | sprintf( buf2, "[a,%s]", index_reg[idx] ); |
| 360 | break; |
| 361 | |
| 362 | case 0x01: /* register b */ |
| 363 | sprintf( buf2, "[b,%s]", index_reg[idx] ); |
| 364 | break; |
| 365 | |
| 366 | case 0x04: /* direct - mode */ |
| 367 | sprintf( buf2, "[$%02x]", get_next_byte() ); |
| 368 | break; |
| 369 | |
| 370 | case 0x07: /* register d */ |
| 371 | sprintf( buf2, "[d,%s]", index_reg[idx] ); |
| 372 | break; |
| 373 | |
| 374 | default: |
| 375 | sprintf( buf2, "[?,%s]", index_reg[idx] ); |
| 376 | break; |
| 377 | } |
| 378 | } else { |
| 379 | switch ( type & 7 ) { |
| 380 | case 0x00: /* register a */ |
| 381 | sprintf( buf2, "a,%s", index_reg[idx] ); |
| 382 | break; |
| 383 | |
| 384 | case 0x01: /* register b */ |
| 385 | sprintf( buf2, "b,%s", index_reg[idx] ); |
| 386 | break; |
| 387 | |
| 388 | case 0x04: /* direct - mode */ |
| 389 | sprintf( buf2, "$%02x", get_next_byte() ); |
| 390 | break; |
| 391 | |
| 392 | case 0x07: /* register d */ |
| 393 | sprintf( buf2, "d,%s", index_reg[idx] ); |
| 394 | break; |
| 395 | |
| 396 | default: |
| 397 | sprintf( buf2, "????,%s", index_reg[idx] ); |
| 398 | break; |
| 399 | } |
| 400 | } |
| 401 | } else { |
| 402 | if ( type & 8 ) { /* indirect */ |
| 403 | switch ( type & 7 ) { |
| 404 | case 0: /* auto increment */ |
| 405 | sprintf( buf2, "[,%s+]", index_reg[idx] ); |
| 406 | break; |
| 407 | |
| 408 | case 1: /* auto increment double */ |
| 409 | sprintf( buf2, "[,%s++]", index_reg[idx] ); |
| 410 | break; |
| 411 | |
| 412 | case 2: /* auto decrement */ |
| 413 | sprintf( buf2, "[,-%s]", index_reg[idx] ); |
| 414 | break; |
| 415 | |
| 416 | case 3: /* auto decrement double */ |
| 417 | sprintf( buf2, "[,--%s]", index_reg[idx] ); |
| 418 | break; |
| 419 | |
| 420 | case 4: /* post byte offset */ |
| 421 | { |
| 422 | int val = get_next_byte(); |
| 423 | |
| 424 | if ( val & 0x80 ) |
| 425 | sprintf( buf2, "[#$-%02x,%s]", 0x100 - val, index_reg[idx] ); |
| 426 | else |
| 427 | sprintf( buf2, "[#$%02x,%s]", val, index_reg[idx] ); |
| 428 | } |
| 429 | break; |
| 430 | |
| 431 | case 5: /* post word offset */ |
| 432 | { |
| 433 | int val = get_next_byte() << 8; |
| 434 | |
| 435 | val |= get_next_byte(); |
| 436 | |
| 437 | if ( val & 0x8000 ) |
| 438 | sprintf( buf2, "[#$-%04x,%s]", 0x10000 - val, index_reg[idx] ); |
| 439 | else |
| 440 | sprintf( buf2, "[#$%04x,%s]", val, index_reg[idx] ); |
| 441 | } |
| 442 | break; |
| 443 | |
| 444 | case 6: /* simple */ |
| 445 | sprintf( buf2, "[,%s]", index_reg[idx] ); |
| 446 | break; |
| 447 | |
| 448 | case 7: /* extended */ |
| 449 | { |
| 450 | int val = get_next_byte() << 8; |
| 451 | |
| 452 | val |= get_next_byte(); |
| 453 | |
| 454 | sprintf( buf2, "[$%04x]", val ); |
| 455 | } |
| 456 | break; |
| 457 | } |
| 458 | } else { |
| 459 | switch ( type & 7 ) { |
| 460 | case 0: /* auto increment */ |
| 461 | sprintf( buf2, ",%s+", index_reg[idx] ); |
| 462 | break; |
| 463 | |
| 464 | case 1: /* auto increment double */ |
| 465 | sprintf( buf2, ",%s++", index_reg[idx] ); |
| 466 | break; |
| 467 | |
| 468 | case 2: /* auto decrement */ |
| 469 | sprintf( buf2, ",-%s", index_reg[idx] ); |
| 470 | break; |
| 471 | |
| 472 | case 3: /* auto decrement double */ |
| 473 | sprintf( buf2, ",--%s", index_reg[idx] ); |
| 474 | break; |
| 475 | |
| 476 | case 4: /* post byte offset */ |
| 477 | { |
| 478 | int val = get_next_byte(); |
| 479 | |
| 480 | if ( val & 0x80 ) |
| 481 | sprintf( buf2, "#$-%02x,%s", 0x100 - val , index_reg[idx] ); |
| 482 | else |
| 483 | sprintf( buf2, "#$%02x,%s", val, index_reg[idx] ); |
| 484 | } |
| 485 | break; |
| 486 | |
| 487 | case 5: /* post word offset */ |
| 488 | { |
| 489 | int val = get_next_byte() << 8; |
| 490 | |
| 491 | val |= get_next_byte(); |
| 492 | |
| 493 | if ( val & 0x8000 ) |
| 494 | sprintf( buf2, "#$-%04x,%s", 0x10000 - val, index_reg[idx] ); |
| 495 | else |
| 496 | sprintf( buf2, "#$%04x,%s", val, index_reg[idx] ); |
| 497 | } |
| 498 | break; |
| 499 | |
| 500 | case 6: /* simple */ |
| 501 | sprintf( buf2, ",%s", index_reg[idx] ); |
| 502 | break; |
| 503 | |
| 504 | case 7: /* extended */ |
| 505 | { |
| 506 | int val = get_next_byte() << 8; |
| 507 | |
| 508 | val |= get_next_byte(); |
| 509 | |
| 510 | sprintf( buf2, "$%04x", val ); |
| 511 | } |
| 512 | break; |
| 513 | |
| 514 | } |
| 515 | } |
| 516 | } |
| 517 | |
| 518 | strcat( buf, buf2 ); |
| 519 | } |
| 520 | |
| 521 | static void do_relative( char *buf ) { |
| 522 | char buf2[30]; |
| 523 | signed char offs = ( signed char )get_next_byte(); |
| 524 | |
| 525 | sprintf( buf2, "$%04x (%d)", local_pc + byte_count + offs, (int)offs ); |
| 526 | |
| 527 | strcat( buf, buf2 ); |
| 528 | } |
| 529 | |
| 530 | static void do_relative_word( char *buf ) { |
| 531 | char buf2[30]; |
| 532 | signed short offs; |
| 533 | int val = get_next_byte() << 8; |
| 534 | |
| 535 | val |= get_next_byte(); |
| 536 | |
| 537 | offs = ( signed short )val; |
| 538 | |
| 539 | sprintf( buf2, "$%04x (%d)", local_pc + byte_count + offs, (int)offs ); |
| 540 | |
| 541 | strcat( buf, buf2 ); |
| 542 | } |
| 543 | |
| 544 | static void do_addressing( char *buf ) { |
| 545 | unsigned char mode = get_next_byte(); |
| 546 | |
| 547 | calc_indexed( mode, buf ); |
| 548 | } |
| 549 | |
| 550 | /********************************************************************************* |
| 551 | |
| 552 | Opcodes |
| 553 | |
| 554 | *********************************************************************************/ |
| 555 | |
| 556 | static void illegal( char *buf ) { |
| 557 | sprintf( buf, "illegal/unknown " ); |
| 558 | |
| 559 | } |
| 560 | |
| 561 | static void leax( char *buf ) { |
| 562 | sprintf( buf, "leax " ); |
| 563 | do_addressing( buf ); |
| 564 | } |
| 565 | |
| 566 | static void leay( char *buf ) { |
| 567 | sprintf( buf, "leay " ); |
| 568 | do_addressing( buf ); |
| 569 | } |
| 570 | |
| 571 | static void leau( char *buf ) { |
| 572 | sprintf( buf, "leau " ); |
| 573 | do_addressing( buf ); |
| 574 | } |
| 575 | |
| 576 | static void leas( char *buf ) { |
| 577 | sprintf( buf, "leas " ); |
| 578 | do_addressing( buf ); |
| 579 | } |
| 580 | |
| 581 | static void lda( char *buf ) { |
| 582 | sprintf( buf, "lda #$%02x", get_next_byte() ); |
| 583 | } |
| 584 | |
| 585 | static void ldb( char *buf ) { |
| 586 | sprintf( buf, "ldb #$%02x", get_next_byte() ); |
| 587 | } |
| 588 | |
| 589 | static void lda2( char *buf ) { |
| 590 | sprintf( buf, "lda " ); |
| 591 | do_addressing( buf ); |
| 592 | } |
| 593 | |
| 594 | static void ldb2( char *buf ) { |
| 595 | sprintf( buf, "ldb " ); |
| 596 | do_addressing( buf ); |
| 597 | } |
| 598 | |
| 599 | static void adda( char *buf ) { |
| 600 | sprintf( buf, "adda #$%02x", get_next_byte() ); |
| 601 | } |
| 602 | |
| 603 | static void addb( char *buf ) { |
| 604 | sprintf( buf, "addb #$%02x", get_next_byte() ); |
| 605 | } |
| 606 | |
| 607 | static void adda2( char *buf ) { |
| 608 | sprintf( buf, "adda " ); |
| 609 | do_addressing( buf ); |
| 610 | } |
| 611 | |
| 612 | static void addb2( char *buf ) { |
| 613 | sprintf( buf, "addb " ); |
| 614 | do_addressing( buf ); |
| 615 | } |
| 616 | |
| 617 | static void suba( char *buf ) { |
| 618 | sprintf( buf, "suba #$%02x", get_next_byte() ); |
| 619 | } |
| 620 | |
| 621 | static void subb( char *buf ) { |
| 622 | sprintf( buf, "subb #$%02x", get_next_byte() ); |
| 623 | } |
| 624 | |
| 625 | static void suba2( char *buf ) { |
| 626 | sprintf( buf, "suba " ); |
| 627 | do_addressing( buf ); |
| 628 | } |
| 629 | |
| 630 | static void subb2( char *buf ) { |
| 631 | sprintf( buf, "subb " ); |
| 632 | do_addressing( buf ); |
| 633 | } |
| 634 | |
| 635 | static void sbca( char *buf ) { |
| 636 | sprintf( buf, "sbca #$%02x", get_next_byte() ); |
| 637 | } |
| 638 | |
| 639 | static void sbcb( char *buf ) { |
| 640 | sprintf( buf, "sbcb #$%02x", get_next_byte() ); |
| 641 | } |
| 642 | |
| 643 | static void sbca2( char *buf ) { |
| 644 | sprintf( buf, "sbca " ); |
| 645 | do_addressing( buf ); |
| 646 | } |
| 647 | |
| 648 | static void sbcb2( char *buf ) { |
| 649 | sprintf( buf, "sbcb " ); |
| 650 | do_addressing( buf ); |
| 651 | } |
| 652 | |
| 653 | static void adca( char *buf ) { |
| 654 | sprintf( buf, "adca #$%02x", get_next_byte() ); |
| 655 | } |
| 656 | |
| 657 | static void adca2( char *buf ) { |
| 658 | sprintf( buf, "adca " ); |
| 659 | do_addressing( buf ); |
| 660 | } |
| 661 | |
| 662 | static void adcb2( char *buf ) { |
| 663 | sprintf( buf, "adcb " ); |
| 664 | do_addressing( buf ); |
| 665 | } |
| 666 | |
| 667 | static void adcb( char *buf ) { |
| 668 | sprintf( buf, "adcb #$%02x", get_next_byte() ); |
| 669 | } |
| 670 | |
| 671 | static void anda( char *buf ) { |
| 672 | sprintf( buf, "anda #$%02x", get_next_byte() ); |
| 673 | } |
| 674 | |
| 675 | static void andb( char *buf ) { |
| 676 | sprintf( buf, "andb #$%02x", get_next_byte() ); |
| 677 | } |
| 678 | |
| 679 | static void anda2( char *buf ) { |
| 680 | sprintf( buf, "anda " ); |
| 681 | do_addressing( buf ); |
| 682 | } |
| 683 | |
| 684 | static void andb2( char *buf ) { |
| 685 | sprintf( buf, "andb " ); |
| 686 | do_addressing( buf ); |
| 687 | } |
| 688 | |
| 689 | static void bita( char *buf ) { |
| 690 | sprintf( buf, "bita #$%02x", get_next_byte() ); |
| 691 | } |
| 692 | |
| 693 | static void bitb( char *buf ) { |
| 694 | sprintf( buf, "bitb #$%02x", get_next_byte() ); |
| 695 | } |
| 696 | |
| 697 | static void bita2( char *buf ) { |
| 698 | sprintf( buf, "bita " ); |
| 699 | do_addressing( buf ); |
| 700 | } |
| 701 | |
| 702 | static void bitb2( char *buf ) { |
| 703 | sprintf( buf, "bitb " ); |
| 704 | do_addressing( buf ); |
| 705 | } |
| 706 | |
| 707 | static void eora( char *buf ) { |
| 708 | sprintf( buf, "eora #$%02x", get_next_byte() ); |
| 709 | } |
| 710 | |
| 711 | static void eorb( char *buf ) { |
| 712 | sprintf( buf, "eorb #$%02x", get_next_byte() ); |
| 713 | } |
| 714 | |
| 715 | static void eora2( char *buf ) { |
| 716 | sprintf( buf, "eora " ); |
| 717 | do_addressing( buf ); |
| 718 | } |
| 719 | |
| 720 | static void eorb2( char *buf ) { |
| 721 | sprintf( buf, "eorb " ); |
| 722 | do_addressing( buf ); |
| 723 | } |
| 724 | |
| 725 | static void ora( char *buf ) { |
| 726 | sprintf( buf, "ora #$%02x", get_next_byte() ); |
| 727 | } |
| 728 | |
| 729 | static void orb( char *buf ) { |
| 730 | sprintf( buf, "orb #$%02x", get_next_byte() ); |
| 731 | } |
| 732 | |
| 733 | static void ora2( char *buf ) { |
| 734 | sprintf( buf, "ora " ); |
| 735 | do_addressing( buf ); |
| 736 | } |
| 737 | |
| 738 | static void orb2( char *buf ) { |
| 739 | sprintf( buf, "orb " ); |
| 740 | do_addressing( buf ); |
| 741 | } |
| 742 | |
| 743 | static void cmpa( char *buf ) { |
| 744 | sprintf( buf, "cmpa #$%02x", get_next_byte() ); |
| 745 | } |
| 746 | |
| 747 | static void cmpb( char *buf ) { |
| 748 | sprintf( buf, "cmpb #$%02x", get_next_byte() ); |
| 749 | } |
| 750 | |
| 751 | static void cmpa2( char *buf ) { |
| 752 | sprintf( buf, "cmpa " ); |
| 753 | do_addressing( buf ); |
| 754 | } |
| 755 | |
| 756 | static void cmpb2( char *buf ) { |
| 757 | sprintf( buf, "cmpb " ); |
| 758 | do_addressing( buf ); |
| 759 | } |
| 760 | |
| 761 | static void setlines( char *buf ) { |
| 762 | sprintf( buf, "setlines #$%02x", get_next_byte() ); |
| 763 | } |
| 764 | |
| 765 | static void setlines2( char *buf ) { |
| 766 | sprintf( buf, "setlines " ); |
| 767 | do_addressing( buf ); |
| 768 | } |
| 769 | |
| 770 | static void sta2( char *buf ) { |
| 771 | sprintf( buf, "sta " ); |
| 772 | do_addressing( buf ); |
| 773 | } |
| 774 | |
| 775 | static void stb2( char *buf ) { |
| 776 | sprintf( buf, "stb " ); |
| 777 | do_addressing( buf ); |
| 778 | } |
| 779 | |
| 780 | static void ldd( char *buf ) { |
| 781 | int val = get_next_byte() << 8; |
| 782 | |
| 783 | val |= get_next_byte(); |
| 784 | |
| 785 | sprintf( buf, "ldd #$%04x", val ); |
| 786 | } |
| 787 | |
| 788 | static void ldd2( char *buf ) { |
| 789 | sprintf( buf, "ldd " ); |
| 790 | do_addressing( buf ); |
| 791 | } |
| 792 | |
| 793 | static void ldx( char *buf ) { |
| 794 | int val = get_next_byte() << 8; |
| 795 | |
| 796 | val |= get_next_byte(); |
| 797 | |
| 798 | sprintf( buf, "ldx #$%04x", val ); |
| 799 | } |
| 800 | |
| 801 | static void ldx2( char *buf ) { |
| 802 | sprintf( buf, "ldx " ); |
| 803 | do_addressing( buf ); |
| 804 | } |
| 805 | |
| 806 | static void ldy( char *buf ) { |
| 807 | int val = get_next_byte() << 8; |
| 808 | |
| 809 | val |= get_next_byte(); |
| 810 | |
| 811 | sprintf( buf, "ldy #$%04x", val ); |
| 812 | } |
| 813 | |
| 814 | static void ldy2( char *buf ) { |
| 815 | sprintf( buf, "ldy " ); |
| 816 | do_addressing( buf ); |
| 817 | } |
| 818 | |
| 819 | static void ldu( char *buf ) { |
| 820 | int val = get_next_byte() << 8; |
| 821 | |
| 822 | val |= get_next_byte(); |
| 823 | |
| 824 | sprintf( buf, "ldu #$%04x", val ); |
| 825 | } |
| 826 | |
| 827 | static void ldu2( char *buf ) { |
| 828 | sprintf( buf, "ldu " ); |
| 829 | do_addressing( buf ); |
| 830 | } |
| 831 | |
| 832 | static void lds( char *buf ) { |
| 833 | int val = get_next_byte() << 8; |
| 834 | |
| 835 | val |= get_next_byte(); |
| 836 | |
| 837 | sprintf( buf, "lds #$%04x", val ); |
| 838 | } |
| 839 | |
| 840 | static void lds2( char *buf ) { |
| 841 | sprintf( buf, "lds " ); |
| 842 | do_addressing( buf ); |
| 843 | } |
| 844 | |
| 845 | static void cmpd( char *buf ) { |
| 846 | int val = get_next_byte() << 8; |
| 847 | |
| 848 | val |= get_next_byte(); |
| 849 | |
| 850 | sprintf( buf, "cmpd #$%04x", val ); |
| 851 | } |
| 852 | |
| 853 | static void cmpd2( char *buf ) { |
| 854 | sprintf( buf, "cmpd " ); |
| 855 | do_addressing( buf ); |
| 856 | } |
| 857 | |
| 858 | static void cmpx( char *buf ) { |
| 859 | int val = get_next_byte() << 8; |
| 860 | |
| 861 | val |= get_next_byte(); |
| 862 | |
| 863 | sprintf( buf, "cmpx #$%04x", val ); |
| 864 | } |
| 865 | |
| 866 | static void cmpx2( char *buf ) { |
| 867 | sprintf( buf, "cmpx " ); |
| 868 | do_addressing( buf ); |
| 869 | } |
| 870 | |
| 871 | static void cmpy( char *buf ) { |
| 872 | int val = get_next_byte() << 8; |
| 873 | |
| 874 | val |= get_next_byte(); |
| 875 | |
| 876 | sprintf( buf, "cmpy #$%04x", val ); |
| 877 | } |
| 878 | |
| 879 | static void cmpy2( char *buf ) { |
| 880 | sprintf( buf, "cmpy " ); |
| 881 | do_addressing( buf ); |
| 882 | } |
| 883 | |
| 884 | static void cmpu( char *buf ) { |
| 885 | int val = get_next_byte() << 8; |
| 886 | |
| 887 | val |= get_next_byte(); |
| 888 | |
| 889 | sprintf( buf, "cmpu #$%04x", val ); |
| 890 | } |
| 891 | |
| 892 | static void cmpu2( char *buf ) { |
| 893 | sprintf( buf, "cmpu " ); |
| 894 | do_addressing( buf ); |
| 895 | } |
| 896 | |
| 897 | static void cmps( char *buf ) { |
| 898 | int val = get_next_byte() << 8; |
| 899 | |
| 900 | val |= get_next_byte(); |
| 901 | |
| 902 | sprintf( buf, "cmps #$%04x", val ); |
| 903 | } |
| 904 | |
| 905 | static void cmps2( char *buf ) { |
| 906 | sprintf( buf, "cmps " ); |
| 907 | do_addressing( buf ); |
| 908 | } |
| 909 | |
| 910 | static void addd2( char *buf ) { |
| 911 | sprintf( buf, "addd " ); |
| 912 | do_addressing( buf ); |
| 913 | } |
| 914 | |
| 915 | static void subd2( char *buf ) { |
| 916 | sprintf( buf, "subd " ); |
| 917 | do_addressing( buf ); |
| 918 | } |
| 919 | |
| 920 | static void std2( char *buf ) { |
| 921 | sprintf( buf, "std " ); |
| 922 | do_addressing( buf ); |
| 923 | } |
| 924 | |
| 925 | static void stx2( char *buf ) { |
| 926 | sprintf( buf, "stx " ); |
| 927 | do_addressing( buf ); |
| 928 | } |
| 929 | |
| 930 | static void sty2( char *buf ) { |
| 931 | sprintf( buf, "sty " ); |
| 932 | do_addressing( buf ); |
| 933 | } |
| 934 | |
| 935 | static void stu2( char *buf ) { |
| 936 | sprintf( buf, "stu " ); |
| 937 | do_addressing( buf ); |
| 938 | } |
| 939 | |
| 940 | static void sts2( char *buf ) { |
| 941 | sprintf( buf, "sts " ); |
| 942 | do_addressing( buf ); |
| 943 | } |
| 944 | |
| 945 | static void bra( char *buf ) { |
| 946 | sprintf( buf, "bra " ); |
| 947 | do_relative( buf ); |
| 948 | } |
| 949 | |
| 950 | static void lbra( char *buf ) { |
| 951 | sprintf( buf, "lbra " ); |
| 952 | do_relative_word( buf ); |
| 953 | } |
| 954 | |
| 955 | static void brn( char *buf ) { |
| 956 | sprintf( buf, "brn " ); |
| 957 | do_relative( buf ); |
| 958 | } |
| 959 | |
| 960 | static void lbrn( char *buf ) { |
| 961 | sprintf( buf, "lbrn " ); |
| 962 | do_relative_word( buf ); |
| 963 | } |
| 964 | |
| 965 | static void bhi( char *buf ) { |
| 966 | sprintf( buf, "bhi " ); |
| 967 | do_relative( buf ); |
| 968 | } |
| 969 | |
| 970 | static void lbhi( char *buf ) { |
| 971 | sprintf( buf, "lbhi " ); |
| 972 | do_relative_word( buf ); |
| 973 | } |
| 974 | |
| 975 | static void bls( char *buf ) { |
| 976 | sprintf( buf, "bls " ); |
| 977 | do_relative( buf ); |
| 978 | } |
| 979 | |
| 980 | static void lbls( char *buf ) { |
| 981 | sprintf( buf, "lbls " ); |
| 982 | do_relative_word( buf ); |
| 983 | } |
| 984 | |
| 985 | static void bcc( char *buf ) { |
| 986 | sprintf( buf, "bcc " ); |
| 987 | do_relative( buf ); |
| 988 | } |
| 989 | |
| 990 | static void lbcc( char *buf ) { |
| 991 | sprintf( buf, "lbcc " ); |
| 992 | do_relative_word( buf ); |
| 993 | } |
| 994 | |
| 995 | static void bcs( char *buf ) { |
| 996 | sprintf( buf, "bcs " ); |
| 997 | do_relative( buf ); |
| 998 | } |
| 999 | |
| 1000 | static void lbcs( char *buf ) { |
| 1001 | sprintf( buf, "lbcs " ); |
| 1002 | do_relative_word( buf ); |
| 1003 | } |
| 1004 | |
| 1005 | static void bne( char *buf ) { |
| 1006 | sprintf( buf, "bne " ); |
| 1007 | do_relative( buf ); |
| 1008 | } |
| 1009 | |
| 1010 | static void lbne( char *buf ) { |
| 1011 | sprintf( buf, "lbne " ); |
| 1012 | do_relative_word( buf ); |
| 1013 | } |
| 1014 | |
| 1015 | static void beq( char *buf ) { |
| 1016 | sprintf( buf, "beq " ); |
| 1017 | do_relative( buf ); |
| 1018 | } |
| 1019 | |
| 1020 | static void lbeq( char *buf ) { |
| 1021 | sprintf( buf, "lbeq " ); |
| 1022 | do_relative_word( buf ); |
| 1023 | } |
| 1024 | |
| 1025 | static void bvc( char *buf ) { |
| 1026 | sprintf( buf, "bvc " ); |
| 1027 | do_relative( buf ); |
| 1028 | } |
| 1029 | |
| 1030 | static void lbvc( char *buf ) { |
| 1031 | sprintf( buf, "lbvc " ); |
| 1032 | do_relative_word( buf ); |
| 1033 | } |
| 1034 | |
| 1035 | static void bvs( char *buf ) { |
| 1036 | sprintf( buf, "bvs " ); |
| 1037 | do_relative( buf ); |
| 1038 | } |
| 1039 | |
| 1040 | static void lbvs( char *buf ) { |
| 1041 | sprintf( buf, "lbvs " ); |
| 1042 | do_relative_word( buf ); |
| 1043 | } |
| 1044 | |
| 1045 | static void bpl( char *buf ) { |
| 1046 | sprintf( buf, "bpl " ); |
| 1047 | do_relative( buf ); |
| 1048 | } |
| 1049 | |
| 1050 | static void lbpl( char *buf ) { |
| 1051 | sprintf( buf, "lbpl " ); |
| 1052 | do_relative_word( buf ); |
| 1053 | } |
| 1054 | |
| 1055 | static void bmi( char *buf ) { |
| 1056 | sprintf( buf, "bmi " ); |
| 1057 | do_relative( buf ); |
| 1058 | } |
| 1059 | |
| 1060 | static void lbmi( char *buf ) { |
| 1061 | sprintf( buf, "lbmi " ); |
| 1062 | do_relative_word( buf ); |
| 1063 | } |
| 1064 | |
| 1065 | static void bge( char *buf ) { |
| 1066 | sprintf( buf, "bge " ); |
| 1067 | do_relative( buf ); |
| 1068 | } |
| 1069 | |
| 1070 | static void lbge( char *buf ) { |
| 1071 | sprintf( buf, "lbge " ); |
| 1072 | do_relative_word( buf ); |
| 1073 | } |
| 1074 | |
| 1075 | static void blt( char *buf ) { |
| 1076 | sprintf( buf, "blt " ); |
| 1077 | do_relative( buf ); |
| 1078 | } |
| 1079 | |
| 1080 | static void lblt( char *buf ) { |
| 1081 | sprintf( buf, "lblt " ); |
| 1082 | do_relative_word( buf ); |
| 1083 | } |
| 1084 | |
| 1085 | static void bgt( char *buf ) { |
| 1086 | sprintf( buf, "bgt " ); |
| 1087 | do_relative( buf ); |
| 1088 | } |
| 1089 | |
| 1090 | static void lbgt( char *buf ) { |
| 1091 | sprintf( buf, "lbgt " ); |
| 1092 | do_relative_word( buf ); |
| 1093 | } |
| 1094 | |
| 1095 | static void ble( char *buf ) { |
| 1096 | sprintf( buf, "ble " ); |
| 1097 | do_relative( buf ); |
| 1098 | } |
| 1099 | |
| 1100 | static void lble( char *buf ) { |
| 1101 | sprintf( buf, "lble " ); |
| 1102 | do_relative_word( buf ); |
| 1103 | } |
| 1104 | |
| 1105 | static void clra( char *buf ) { |
| 1106 | sprintf( buf, "clra" ); |
| 1107 | } |
| 1108 | |
| 1109 | static void clrb( char *buf ) { |
| 1110 | sprintf( buf, "clrb" ); |
| 1111 | } |
| 1112 | |
| 1113 | static void clrd( char *buf ) { |
| 1114 | sprintf( buf, "clrd" ); |
| 1115 | } |
| 1116 | |
| 1117 | static void clrw( char *buf ) { |
| 1118 | sprintf( buf, "clrw " ); |
| 1119 | do_addressing( buf ); |
| 1120 | } |
| 1121 | |
| 1122 | static void negd( char *buf ) { |
| 1123 | sprintf( buf, "negd" ); |
| 1124 | } |
| 1125 | |
| 1126 | static void negw( char *buf ) { |
| 1127 | sprintf( buf, "negw" ); |
| 1128 | do_addressing( buf ); |
| 1129 | } |
| 1130 | |
| 1131 | static void incd( char *buf ) { |
| 1132 | sprintf( buf, "incd" ); |
| 1133 | } |
| 1134 | |
| 1135 | static void incw( char *buf ) { |
| 1136 | sprintf( buf, "incw " ); |
| 1137 | do_addressing( buf ); |
| 1138 | } |
| 1139 | |
| 1140 | static void decd( char *buf ) { |
| 1141 | sprintf( buf, "decd" ); |
| 1142 | } |
| 1143 | |
| 1144 | static void decw( char *buf ) { |
| 1145 | sprintf( buf, "decw " ); |
| 1146 | do_addressing( buf ); |
| 1147 | } |
| 1148 | |
| 1149 | static void tstd( char *buf ) { |
| 1150 | sprintf( buf, "tstd " ); |
| 1151 | } |
| 1152 | |
| 1153 | static void tstw( char *buf ) { |
| 1154 | sprintf( buf, "tstw " ); |
| 1155 | do_addressing( buf ); |
| 1156 | } |
| 1157 | |
| 1158 | static void clr2( char *buf ) { |
| 1159 | sprintf( buf, "clr " ); |
| 1160 | do_addressing( buf ); |
| 1161 | } |
| 1162 | |
| 1163 | static void coma( char *buf ) { |
| 1164 | sprintf( buf, "coma" ); |
| 1165 | } |
| 1166 | |
| 1167 | static void comb( char *buf ) { |
| 1168 | sprintf( buf, "comb" ); |
| 1169 | } |
| 1170 | |
| 1171 | static void com2( char *buf ) { |
| 1172 | sprintf( buf, "com " ); |
| 1173 | do_addressing( buf ); |
| 1174 | } |
| 1175 | |
| 1176 | static void nega( char *buf ) { |
| 1177 | sprintf( buf, "nega" ); |
| 1178 | } |
| 1179 | |
| 1180 | static void negb( char *buf ) { |
| 1181 | sprintf( buf, "negb" ); |
| 1182 | } |
| 1183 | |
| 1184 | static void neg2( char *buf ) { |
| 1185 | sprintf( buf, "neg " ); |
| 1186 | do_addressing( buf ); |
| 1187 | } |
| 1188 | |
| 1189 | static void inca( char *buf ) { |
| 1190 | sprintf( buf, "inca" ); |
| 1191 | } |
| 1192 | |
| 1193 | static void incb( char *buf ) { |
| 1194 | sprintf( buf, "incb" ); |
| 1195 | } |
| 1196 | |
| 1197 | static void inc2( char *buf ) { |
| 1198 | sprintf( buf, "inc " ); |
| 1199 | do_addressing( buf ); |
| 1200 | } |
| 1201 | |
| 1202 | static void deca( char *buf ) { |
| 1203 | sprintf( buf, "deca" ); |
| 1204 | } |
| 1205 | |
| 1206 | static void decb( char *buf ) { |
| 1207 | sprintf( buf, "decb" ); |
| 1208 | } |
| 1209 | |
| 1210 | static void dec2( char *buf ) { |
| 1211 | sprintf( buf, "dec " ); |
| 1212 | do_addressing( buf ); |
| 1213 | } |
| 1214 | |
| 1215 | static void rts( char *buf ) { |
| 1216 | sprintf( buf, "rts" ); |
| 1217 | flags = DASMFLAG_STEP_OUT; |
| 1218 | } |
| 1219 | |
| 1220 | static void asla( char *buf ) { |
| 1221 | sprintf( buf, "asla" ); |
| 1222 | } |
| 1223 | |
| 1224 | static void aslb( char *buf ) { |
| 1225 | sprintf( buf, "aslb" ); |
| 1226 | } |
| 1227 | |
| 1228 | static void asl2( char *buf ) { |
| 1229 | sprintf( buf, "asl " ); |
| 1230 | do_addressing( buf ); |
| 1231 | } |
| 1232 | |
| 1233 | static void rora( char *buf ) { |
| 1234 | sprintf( buf, "rora" ); |
| 1235 | } |
| 1236 | |
| 1237 | static void rorb( char *buf ) { |
| 1238 | sprintf( buf, "rorb" ); |
| 1239 | } |
| 1240 | |
| 1241 | static void ror2( char *buf ) { |
| 1242 | sprintf( buf, "ror " ); |
| 1243 | do_addressing( buf ); |
| 1244 | } |
| 1245 | |
| 1246 | static void rti( char *buf ) { |
| 1247 | sprintf( buf, "rti" ); |
| 1248 | flags = DASMFLAG_STEP_OUT; |
| 1249 | } |
| 1250 | |
| 1251 | static void jsr2( char *buf ) { |
| 1252 | sprintf( buf, "jsr " ); |
| 1253 | do_addressing( buf ); |
| 1254 | flags = DASMFLAG_STEP_OVER; |
| 1255 | } |
| 1256 | |
| 1257 | static void jmp2( char *buf ) { |
| 1258 | sprintf( buf, "jmp " ); |
| 1259 | do_addressing( buf ); |
| 1260 | } |
| 1261 | |
| 1262 | static void bsr( char *buf ) { |
| 1263 | sprintf( buf, "bsr " ); |
| 1264 | do_relative( buf ); |
| 1265 | flags = DASMFLAG_STEP_OVER; |
| 1266 | } |
| 1267 | |
| 1268 | static void lbsr( char *buf ) { |
| 1269 | sprintf( buf, "lbsr " ); |
| 1270 | do_relative_word( buf ); |
| 1271 | flags = DASMFLAG_STEP_OVER; |
| 1272 | } |
| 1273 | |
| 1274 | static void decbjnz( char *buf ) { |
| 1275 | sprintf( buf, "decb,jnz " ); |
| 1276 | do_relative( buf ); |
| 1277 | flags = DASMFLAG_STEP_OVER; |
| 1278 | } |
| 1279 | |
| 1280 | static void decxjnz( char *buf ) { |
| 1281 | sprintf( buf, "decx,jnz " ); |
| 1282 | do_relative( buf ); |
| 1283 | flags = DASMFLAG_STEP_OVER; |
| 1284 | } |
| 1285 | |
| 1286 | static void addd( char *buf ) { |
| 1287 | int val = get_next_byte() << 8; |
| 1288 | |
| 1289 | val |= get_next_byte(); |
| 1290 | |
| 1291 | sprintf( buf, "addd #$%04x", val ); |
| 1292 | } |
| 1293 | |
| 1294 | static void subd( char *buf ) { |
| 1295 | int val = get_next_byte() << 8; |
| 1296 | |
| 1297 | val |= get_next_byte(); |
| 1298 | |
| 1299 | sprintf( buf, "subd #$%04x", val ); |
| 1300 | } |
| 1301 | |
| 1302 | static void tsta( char *buf ) { |
| 1303 | sprintf( buf, "tsta" ); |
| 1304 | } |
| 1305 | |
| 1306 | static void tstb( char *buf ) { |
| 1307 | sprintf( buf, "tstb" ); |
| 1308 | } |
| 1309 | |
| 1310 | static void tst2( char *buf ) { |
| 1311 | sprintf( buf, "tst " ); |
| 1312 | do_addressing( buf ); |
| 1313 | } |
| 1314 | |
| 1315 | static void lsra( char *buf ) { |
| 1316 | sprintf( buf, "lsra" ); |
| 1317 | } |
| 1318 | |
| 1319 | static void lsrb( char *buf ) { |
| 1320 | sprintf( buf, "lsrb" ); |
| 1321 | } |
| 1322 | |
| 1323 | static void lsr2( char *buf ) { |
| 1324 | sprintf( buf, "lsr " ); |
| 1325 | do_addressing( buf ); |
| 1326 | } |
| 1327 | |
| 1328 | static void asra( char *buf ) { |
| 1329 | sprintf( buf, "asra" ); |
| 1330 | } |
| 1331 | |
| 1332 | static void asrb( char *buf ) { |
| 1333 | sprintf( buf, "asrb" ); |
| 1334 | } |
| 1335 | |
| 1336 | static void asr2( char *buf ) { |
| 1337 | sprintf( buf, "asr " ); |
| 1338 | do_addressing( buf ); |
| 1339 | } |
| 1340 | |
| 1341 | static void abx( char *buf ) { |
| 1342 | sprintf( buf, "abx" ); |
| 1343 | } |
| 1344 | |
| 1345 | static void sex( char *buf ) { |
| 1346 | sprintf( buf, "sex" ); |
| 1347 | } |
| 1348 | |
| 1349 | static void daa( char *buf ) { |
| 1350 | sprintf( buf, "daa" ); |
| 1351 | } |
| 1352 | |
| 1353 | static void mul( char *buf ) { |
| 1354 | sprintf( buf, "mul" ); |
| 1355 | } |
| 1356 | |
| 1357 | static void lmul( char *buf ) { |
| 1358 | sprintf( buf, "lmul" ); |
| 1359 | } |
| 1360 | |
| 1361 | static void divx( char *buf ) { |
| 1362 | sprintf( buf, "div x,b" ); |
| 1363 | } |
| 1364 | |
| 1365 | static void andcc( char *buf ) { |
| 1366 | sprintf( buf, "andcc #$%02x", get_next_byte() ); |
| 1367 | } |
| 1368 | |
| 1369 | static void orcc( char *buf ) { |
| 1370 | sprintf( buf, "orcc #$%02x", get_next_byte() ); |
| 1371 | } |
| 1372 | |
| 1373 | static void pushs( char *buf ) { |
| 1374 | int mask = get_next_byte(), i; |
| 1375 | |
| 1376 | sprintf( buf, "pushs " ); |
| 1377 | |
| 1378 | for ( i = 0; i < 8; i++ ) { |
| 1379 | if ( ( mask >> i ) & 1 ) { |
| 1380 | strcat( buf, stack_reg_s[i] ); |
| 1381 | mask &= ~( 1 << i ); |
| 1382 | if ( mask ) |
| 1383 | strcat( buf, "," ); |
| 1384 | else |
| 1385 | return; |
| 1386 | } |
| 1387 | } |
| 1388 | } |
| 1389 | |
| 1390 | static void pushu( char *buf ) { |
| 1391 | int mask = get_next_byte(), i; |
| 1392 | |
| 1393 | sprintf( buf, "pushu " ); |
| 1394 | |
| 1395 | for ( i = 0; i < 8; i++ ) { |
| 1396 | if ( ( mask >> i ) & 1 ) { |
| 1397 | strcat( buf, stack_reg_u[i] ); |
| 1398 | mask &= ~( 1 << i ); |
| 1399 | if ( mask ) |
| 1400 | strcat( buf, "," ); |
| 1401 | else |
| 1402 | return; |
| 1403 | } |
| 1404 | } |
| 1405 | } |
| 1406 | |
| 1407 | static void pulls( char *buf ) { |
| 1408 | int mask = get_next_byte(), i; |
| 1409 | |
| 1410 | sprintf( buf, "pulls " ); |
| 1411 | |
| 1412 | for ( i = 0; i < 8; i++ ) { |
| 1413 | if ( ( mask >> i ) & 1 ) { |
| 1414 | strcat( buf, stack_reg_s[i] ); |
| 1415 | if (i == 7) |
| 1416 | flags = DASMFLAG_STEP_OUT; |
| 1417 | mask &= ~( 1 << i ); |
| 1418 | if ( mask ) |
| 1419 | strcat( buf, "," ); |
| 1420 | else |
| 1421 | return; |
| 1422 | } |
| 1423 | } |
| 1424 | } |
| 1425 | |
| 1426 | static void pullu( char *buf ) { |
| 1427 | int mask = get_next_byte(), i; |
| 1428 | |
| 1429 | sprintf( buf, "pullu " ); |
| 1430 | |
| 1431 | for ( i = 0; i < 8; i++ ) { |
| 1432 | if ( ( mask >> i ) & 1 ) { |
| 1433 | strcat( buf, stack_reg_s[i] ); |
| 1434 | mask &= ~( 1 << i ); |
| 1435 | if ( mask ) |
| 1436 | strcat( buf, "," ); |
| 1437 | else |
| 1438 | return; |
| 1439 | } |
| 1440 | } |
| 1441 | } |
| 1442 | |
| 1443 | static void rola( char *buf ) { |
| 1444 | sprintf( buf, "rola" ); |
| 1445 | } |
| 1446 | |
| 1447 | static void rolb( char *buf ) { |
| 1448 | sprintf( buf, "rolb" ); |
| 1449 | } |
| 1450 | |
| 1451 | static void rol2( char *buf ) { |
| 1452 | sprintf( buf, "rol " ); |
| 1453 | do_addressing( buf ); |
| 1454 | } |
| 1455 | |
| 1456 | static void bmove( char *buf ) { |
| 1457 | sprintf( buf, "bmove y,x,u" ); |
| 1458 | } |
| 1459 | |
| 1460 | static void move( char *buf ) { |
| 1461 | sprintf( buf, "move y,x,u" ); |
| 1462 | } |
| 1463 | |
| 1464 | static void bset( char *buf ) { |
| 1465 | sprintf( buf, "bset a,x,u" ); |
| 1466 | } |
| 1467 | |
| 1468 | static void bset2( char *buf ) { |
| 1469 | sprintf( buf, "bset d,x,u" ); |
| 1470 | } |
| 1471 | |
| 1472 | static void nop( char *buf ) { |
| 1473 | sprintf( buf, "nop" ); |
| 1474 | } |
| 1475 | |
| 1476 | static void tfr( char *buf ) { |
| 1477 | int mask = get_next_byte(); |
| 1478 | |
| 1479 | sprintf( buf, "tfr " ); |
| 1480 | |
| 1481 | strcat( buf, tfrexg_reg[ mask & 0x07 ] ); |
| 1482 | strcat( buf, "," ); |
| 1483 | strcat( buf, tfrexg_reg[ ( mask >> 4 ) & 0x07 ] ); |
| 1484 | } |
| 1485 | |
| 1486 | static void exg( char *buf ) { |
| 1487 | int mask = get_next_byte(); |
| 1488 | |
| 1489 | sprintf( buf, "exg " ); |
| 1490 | |
| 1491 | strcat( buf, tfrexg_reg[ mask & 0x07 ] ); |
| 1492 | strcat( buf, "," ); |
| 1493 | strcat( buf, tfrexg_reg[ ( mask >> 4 ) & 0x07 ] ); |
| 1494 | } |
| 1495 | |
| 1496 | static void lsrd( char *buf ) { |
| 1497 | sprintf( buf, "lsrd #$%02x", get_next_byte() ); |
| 1498 | } |
| 1499 | |
| 1500 | static void lsrd2( char *buf ) { |
| 1501 | sprintf( buf, "lsrd " ); |
| 1502 | do_addressing( buf ); |
| 1503 | } |
| 1504 | |
| 1505 | static void rord( char *buf ) { |
| 1506 | sprintf( buf, "rord #$%02x", get_next_byte() ); |
| 1507 | } |
| 1508 | |
| 1509 | static void rord2( char *buf ) { |
| 1510 | sprintf( buf, "rord " ); |
| 1511 | do_addressing( buf ); |
| 1512 | } |
| 1513 | |
| 1514 | static void asrd( char *buf ) { |
| 1515 | sprintf( buf, "asrd #$%02x", get_next_byte() ); |
| 1516 | } |
| 1517 | |
| 1518 | static void asrd2( char *buf ) { |
| 1519 | sprintf( buf, "asrd " ); |
| 1520 | do_addressing( buf ); |
| 1521 | } |
| 1522 | |
| 1523 | static void asld( char *buf ) { |
| 1524 | sprintf( buf, "asld #$%02x", get_next_byte() ); |
| 1525 | } |
| 1526 | |
| 1527 | static void asld2( char *buf ) { |
| 1528 | sprintf( buf, "asld " ); |
| 1529 | do_addressing( buf ); |
| 1530 | } |
| 1531 | |
| 1532 | static void rold( char *buf ) { |
| 1533 | sprintf( buf, "rold #$%02x", get_next_byte() ); |
| 1534 | } |
| 1535 | |
| 1536 | static void rold2( char *buf ) { |
| 1537 | sprintf( buf, "rold " ); |
| 1538 | do_addressing( buf ); |
| 1539 | } |
| 1540 | |
| 1541 | static void lsrw( char *buf ) { |
| 1542 | sprintf( buf, "lsrw " ); |
| 1543 | do_addressing( buf ); |
| 1544 | } |
| 1545 | |
| 1546 | static void rorw( char *buf ) { |
| 1547 | sprintf( buf, "lsrw " ); |
| 1548 | do_addressing( buf ); |
| 1549 | } |
| 1550 | |
| 1551 | static void asrw( char *buf ) { |
| 1552 | sprintf( buf, "asrw " ); |
| 1553 | do_addressing( buf ); |
| 1554 | } |
| 1555 | |
| 1556 | static void aslw( char *buf ) { |
| 1557 | sprintf( buf, "aslw " ); |
| 1558 | do_addressing( buf ); |
| 1559 | } |
| 1560 | |
| 1561 | static void rolw( char *buf ) { |
| 1562 | sprintf( buf, "rolw " ); |
| 1563 | do_addressing( buf ); |
| 1564 | } |
| 1565 | |
| 1566 | static void absa( char *buf ) { |
| 1567 | sprintf( buf, "absa" ); |
| 1568 | } |
| 1569 | |
| 1570 | static void absb( char *buf ) { |
| 1571 | sprintf( buf, "absb" ); |
| 1572 | } |
| 1573 | |
| 1574 | static void absd( char *buf ) { |
| 1575 | sprintf( buf, "absd" ); |
| 1576 | } |
| 1577 | |
| 1578 | /********************************************************************************* |
| 1579 | |
| 1580 | Opcode Table |
| 1581 | |
| 1582 | *********************************************************************************/ |
| 1583 | |
| 1584 | struct konami_opcode_def { |
| 1585 | void (*decode)( char *buf ); |
| 1586 | int confirmed; |
| 1587 | }; |
| 1588 | |
| 1589 | static const konami_opcode_def op_table[256] = { |
| 1590 | /* 00 */ { illegal, 0 }, |
| 1591 | /* 01 */ { illegal, 0 }, |
| 1592 | /* 02 */ { illegal, 0 }, |
| 1593 | /* 03 */ { illegal, 0 }, |
| 1594 | /* 04 */ { illegal, 0 }, |
| 1595 | /* 05 */ { illegal, 0 }, |
| 1596 | /* 06 */ { illegal, 0 }, |
| 1597 | /* 07 */ { illegal, 0 }, |
| 1598 | /* 08 */ { leax, 1 }, |
| 1599 | /* 09 */ { leay, 1 }, |
| 1600 | /* 0a */ { leau, 1 }, |
| 1601 | /* 0b */ { leas, 0 }, |
| 1602 | /* 0c */ { pushs, 1 }, |
| 1603 | /* 0d */ { pushu, 0 }, |
| 1604 | /* 0e */ { pulls, 1 }, |
| 1605 | /* 0f */ { pullu, 0 }, |
| 1606 | |
| 1607 | /* 10 */ { lda, 1 }, |
| 1608 | /* 11 */ { ldb, 1 }, |
| 1609 | /* 12 */ { lda2, 1 }, |
| 1610 | /* 13 */ { ldb2, 1 }, |
| 1611 | /* 14 */ { adda, 1 }, |
| 1612 | /* 15 */ { addb, 1 }, |
| 1613 | /* 16 */ { adda2, 1 }, |
| 1614 | /* 17 */ { addb2, 1 }, |
| 1615 | /* 18 */ { adca, 1 }, |
| 1616 | /* 19 */ { adcb, 1 }, |
| 1617 | /* 1a */ { adca2, 1 }, |
| 1618 | /* 1b */ { adcb2, 1 }, |
| 1619 | /* 1c */ { suba, 1 }, |
| 1620 | /* 1d */ { subb, 1 }, |
| 1621 | /* 1e */ { suba2, 1 }, |
| 1622 | /* 1f */ { subb2, 1 }, |
| 1623 | |
| 1624 | /* 20 */ { sbca, 0 }, |
| 1625 | /* 21 */ { sbcb, 0 }, |
| 1626 | /* 22 */ { sbca2, 0 }, |
| 1627 | /* 23 */ { sbcb2, 0 }, |
| 1628 | /* 24 */ { anda, 1 }, |
| 1629 | /* 25 */ { andb, 1 }, |
| 1630 | /* 26 */ { anda2, 1 }, |
| 1631 | /* 27 */ { andb2, 1 }, |
| 1632 | /* 28 */ { bita, 0 }, |
| 1633 | /* 29 */ { bitb, 0 }, |
| 1634 | /* 2a */ { bita2, 0 }, |
| 1635 | /* 2b */ { bitb2, 0 }, |
| 1636 | /* 2c */ { eora, 0 }, |
| 1637 | /* 2d */ { eorb, 0 }, |
| 1638 | /* 2e */ { eora2, 0 }, |
| 1639 | /* 2f */ { eorb2, 0 }, |
| 1640 | |
| 1641 | /* 30 */ { ora, 1 }, |
| 1642 | /* 31 */ { orb, 1 }, |
| 1643 | /* 32 */ { ora2, 1 }, |
| 1644 | /* 33 */ { orb2, 1 }, |
| 1645 | /* 34 */ { cmpa, 1 }, |
| 1646 | /* 35 */ { cmpb, 1 }, |
| 1647 | /* 36 */ { cmpa2, 1 }, |
| 1648 | /* 37 */ { cmpb2, 1 }, |
| 1649 | /* 38 */ { setlines, 0 }, |
| 1650 | /* 39 */ { setlines2, 0 }, |
| 1651 | /* 3a */ { sta2, 1 }, |
| 1652 | /* 3b */ { stb2, 1 }, |
| 1653 | /* 3c */ { andcc, 1 }, |
| 1654 | /* 3d */ { orcc, 0 }, |
| 1655 | /* 3e */ { exg, 0 }, |
| 1656 | /* 3f */ { tfr, 0 }, |
| 1657 | |
| 1658 | /* 40 */ { ldd, 1 }, |
| 1659 | /* 41 */ { ldd2, 1 }, |
| 1660 | /* 42 */ { ldx, 1 }, |
| 1661 | /* 43 */ { ldx2, 1 }, |
| 1662 | /* 44 */ { ldy, 1 }, |
| 1663 | /* 45 */ { ldy2, 1 }, |
| 1664 | /* 46 */ { ldu, 1 }, |
| 1665 | /* 47 */ { ldu2, 1 }, |
| 1666 | /* 48 */ { lds, 1 }, |
| 1667 | /* 49 */ { lds2, 1 }, |
| 1668 | /* 4a */ { cmpd, 1 }, |
| 1669 | /* 4b */ { cmpd2, 1 }, |
| 1670 | /* 4c */ { cmpx, 1 }, |
| 1671 | /* 4d */ { cmpx2, 1 }, |
| 1672 | /* 4e */ { cmpy, 1 }, |
| 1673 | /* 4f */ { cmpy2, 1 }, |
| 1674 | |
| 1675 | /* 50 */ { cmpu, 1 }, |
| 1676 | /* 51 */ { cmpu2, 1 }, |
| 1677 | /* 52 */ { cmps, 1 }, |
| 1678 | /* 53 */ { cmps2, 1 }, |
| 1679 | /* 54 */ { addd, 0 }, |
| 1680 | /* 55 */ { addd2, 0 }, |
| 1681 | /* 56 */ { subd, 1 }, |
| 1682 | /* 57 */ { subd2, 0 }, |
| 1683 | /* 58 */ { std2, 1 }, |
| 1684 | /* 59 */ { stx2, 1 }, |
| 1685 | /* 5a */ { sty2, 1 }, |
| 1686 | /* 5b */ { stu2, 1 }, |
| 1687 | /* 5c */ { sts2, 1 }, |
| 1688 | /* 5d */ { illegal, 0 }, |
| 1689 | /* 5e */ { illegal, 0 }, |
| 1690 | /* 5f */ { illegal, 0 }, |
| 1691 | |
| 1692 | /* 60 */ { bra, 1 }, |
| 1693 | /* 61 */ { bhi, 1 }, |
| 1694 | /* 62 */ { bcc, 1 }, |
| 1695 | /* 63 */ { bne, 1 }, |
| 1696 | /* 64 */ { bvc, 1 }, |
| 1697 | /* 65 */ { bpl, 1 }, |
| 1698 | /* 66 */ { bge, 1 }, |
| 1699 | /* 67 */ { bgt, 1 }, |
| 1700 | /* 68 */ { lbra, 1 }, |
| 1701 | /* 69 */ { lbhi, 1 }, |
| 1702 | /* 6a */ { lbcc, 1 }, |
| 1703 | /* 6b */ { lbne, 1 }, |
| 1704 | /* 6c */ { lbvc, 1 }, |
| 1705 | /* 6d */ { lbpl, 1 }, |
| 1706 | /* 6e */ { lbge, 1 }, |
| 1707 | /* 6f */ { lbgt, 1 }, |
| 1708 | |
| 1709 | /* 70 */ { brn, 1 }, |
| 1710 | /* 71 */ { bls, 1 }, |
| 1711 | /* 72 */ { bcs, 1 }, |
| 1712 | /* 73 */ { beq, 1 }, |
| 1713 | /* 74 */ { bvs, 1 }, |
| 1714 | /* 75 */ { bmi, 1 }, |
| 1715 | /* 76 */ { blt, 1 }, |
| 1716 | /* 77 */ { ble, 1 }, |
| 1717 | /* 78 */ { lbrn, 1 }, |
| 1718 | /* 79 */ { lbls, 1 }, |
| 1719 | /* 7a */ { lbcs, 1 }, |
| 1720 | /* 7b */ { lbeq, 1 }, |
| 1721 | /* 7c */ { lbvs, 1 }, |
| 1722 | /* 7d */ { lbmi, 1 }, |
| 1723 | /* 7e */ { lblt, 1 }, |
| 1724 | /* 7f */ { lble, 1 }, |
| 1725 | |
| 1726 | /* 80 */ { clra, 1 }, |
| 1727 | /* 81 */ { clrb, 1 }, |
| 1728 | /* 82 */ { clr2, 1 }, |
| 1729 | /* 83 */ { coma, 1 }, |
| 1730 | /* 84 */ { comb, 0 }, |
| 1731 | /* 85 */ { com2, 0 }, |
| 1732 | /* 86 */ { nega, 0 }, |
| 1733 | /* 87 */ { negb, 0 }, |
| 1734 | /* 88 */ { neg2, 0 }, |
| 1735 | /* 89 */ { inca, 1 }, |
| 1736 | /* 8a */ { incb, 1 }, |
| 1737 | /* 8b */ { inc2, 1 }, |
| 1738 | /* 8c */ { deca, 1 }, |
| 1739 | /* 8d */ { decb, 1 }, |
| 1740 | /* 8e */ { dec2, 1 }, |
| 1741 | /* 8f */ { rts, 1 }, |
| 1742 | |
| 1743 | /* 90 */ { tsta, 0 }, |
| 1744 | /* 91 */ { tstb, 0 }, |
| 1745 | /* 92 */ { tst2, 0 }, |
| 1746 | /* 93 */ { lsra, 1 }, |
| 1747 | /* 94 */ { lsrb, 1 }, |
| 1748 | /* 95 */ { lsr2, 0 }, |
| 1749 | /* 96 */ { rora, 0 }, |
| 1750 | /* 97 */ { rorb, 0 }, |
| 1751 | /* 98 */ { ror2, 0 }, |
| 1752 | /* 99 */ { asra, 0 }, |
| 1753 | /* 9a */ { asrb, 0 }, |
| 1754 | /* 9b */ { asr2, 0 }, |
| 1755 | /* 9c */ { asla, 1 }, |
| 1756 | /* 9d */ { aslb, 1 }, |
| 1757 | /* 9e */ { asl2, 0 }, |
| 1758 | /* 9f */ { rti, 1 }, |
| 1759 | |
| 1760 | /* a0 */ { rola, 1 }, |
| 1761 | /* a1 */ { rolb, 0 }, |
| 1762 | /* a2 */ { rol2, 0 }, |
| 1763 | /* a3 */ { lsrw, 0 }, |
| 1764 | /* a4 */ { rorw, 0 }, |
| 1765 | /* a5 */ { asrw, 0 }, |
| 1766 | /* a6 */ { aslw, 0 }, |
| 1767 | /* a7 */ { rolw, 0 }, |
| 1768 | /* a8 */ { jmp2, 1 }, |
| 1769 | /* a9 */ { jsr2, 1 }, |
| 1770 | /* aa */ { bsr, 1 }, |
| 1771 | /* ab */ { lbsr, 1 }, |
| 1772 | /* ac */ { decbjnz, 0 }, |
| 1773 | /* ad */ { decxjnz, 0 }, |
| 1774 | /* ae */ { nop, 0 }, |
| 1775 | /* af */ { illegal, 0 }, |
| 1776 | |
| 1777 | /* b0 */ { abx, 0 }, |
| 1778 | /* b1 */ { daa, 0 }, |
| 1779 | /* b2 */ { sex, 0 }, |
| 1780 | /* b3 */ { mul, 1 }, |
| 1781 | /* b4 */ { lmul, 0 }, |
| 1782 | /* b5 */ { divx, 0 }, |
| 1783 | /* b6 */ { bmove, 1 }, |
| 1784 | /* b7 */ { move, 0 }, |
| 1785 | /* b8 */ { lsrd, 0 }, |
| 1786 | /* b9 */ { lsrd2, 0 }, |
| 1787 | /* ba */ { rord, 0 }, |
| 1788 | /* bb */ { rord2, 0 }, |
| 1789 | /* bc */ { asrd, 0 }, |
| 1790 | /* bd */ { asrd2, 0 }, |
| 1791 | /* be */ { asld, 0 }, |
| 1792 | /* bf */ { asld2, 0 }, |
| 1793 | |
| 1794 | /* c0 */ { rold, 0 }, |
| 1795 | /* c1 */ { rold2, 0 }, |
| 1796 | /* c2 */ { clrd, 1 }, |
| 1797 | /* c3 */ { clrw, 0 }, |
| 1798 | /* c4 */ { negd, 0 }, |
| 1799 | /* c5 */ { negw, 0 }, |
| 1800 | /* c6 */ { incd, 0 }, |
| 1801 | /* c7 */ { incw, 0 }, |
| 1802 | /* c8 */ { decd, 0 }, |
| 1803 | /* c9 */ { decw, 0 }, |
| 1804 | /* ca */ { tstd, 0 }, |
| 1805 | /* cb */ { tstw, 0 }, |
| 1806 | /* cc */ { absa, 0 }, |
| 1807 | /* cd */ { absb, 0 }, |
| 1808 | /* ce */ { absd, 0 }, |
| 1809 | /* cf */ { bset, 0 }, |
| 1810 | |
| 1811 | /* d0 */ { bset2, 0 }, |
| 1812 | /* d1 */ { illegal, 0 }, |
| 1813 | /* d2 */ { illegal, 0 }, |
| 1814 | /* d3 */ { illegal, 0 }, |
| 1815 | /* d4 */ { illegal, 0 }, |
| 1816 | /* d5 */ { illegal, 0 }, |
| 1817 | /* d6 */ { illegal, 0 }, |
| 1818 | /* d7 */ { illegal, 0 }, |
| 1819 | /* d8 */ { illegal, 0 }, |
| 1820 | /* d9 */ { illegal, 0 }, |
| 1821 | /* da */ { illegal, 0 }, |
| 1822 | /* db */ { illegal, 0 }, |
| 1823 | /* dc */ { illegal, 0 }, |
| 1824 | /* dd */ { illegal, 0 }, |
| 1825 | /* de */ { illegal, 0 }, |
| 1826 | /* df */ { illegal, 0 }, |
| 1827 | |
| 1828 | /* e0 */ { illegal, 0 }, |
| 1829 | /* e1 */ { illegal, 0 }, |
| 1830 | /* e2 */ { illegal, 0 }, |
| 1831 | /* e3 */ { illegal, 0 }, |
| 1832 | /* e4 */ { illegal, 0 }, |
| 1833 | /* e5 */ { illegal, 0 }, |
| 1834 | /* e6 */ { illegal, 0 }, |
| 1835 | /* e7 */ { illegal, 0 }, |
| 1836 | /* e8 */ { illegal, 0 }, |
| 1837 | /* e9 */ { illegal, 0 }, |
| 1838 | /* ea */ { illegal, 0 }, |
| 1839 | /* eb */ { illegal, 0 }, |
| 1840 | /* ec */ { illegal, 0 }, |
| 1841 | /* ed */ { illegal, 0 }, |
| 1842 | /* ee */ { illegal, 0 }, |
| 1843 | /* ef */ { illegal, 0 }, |
| 1844 | |
| 1845 | /* f0 */ { illegal, 0 }, |
| 1846 | /* f1 */ { illegal, 0 }, |
| 1847 | /* f2 */ { illegal, 0 }, |
| 1848 | /* f3 */ { illegal, 0 }, |
| 1849 | /* f4 */ { illegal, 0 }, |
| 1850 | /* f5 */ { illegal, 0 }, |
| 1851 | /* f6 */ { illegal, 0 }, |
| 1852 | /* f7 */ { illegal, 0 }, |
| 1853 | /* f8 */ { illegal, 0 }, |
| 1854 | /* f9 */ { illegal, 0 }, |
| 1855 | /* fa */ { illegal, 0 }, |
| 1856 | /* fb */ { illegal, 0 }, |
| 1857 | /* fc */ { illegal, 0 }, |
| 1858 | /* fd */ { illegal, 0 }, |
| 1859 | /* fe */ { illegal, 0 }, |
| 1860 | /* ff */ { illegal, 0 } |
| 1861 | }; |
| 1862 | |
| 1863 | offs_t konami_cpu_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options) |
| 1864 | { |
| 1865 | buffer[0] = '\0'; |
| 1866 | |
| 1867 | local_pc = pc; |
| 1868 | byte_count = 1; |
| 1869 | opram_ptr = opram; |
| 1870 | flags = 0; |
| 1871 | |
| 1872 | (op_table[*oprom].decode)( buffer ); |
| 1873 | |
| 1874 | return byte_count | flags | DASMFLAG_SUPPORTED; |
| 1875 | } |
trunk/src/emu/cpu/m6809/6309dasm.c
| r0 | r21565 | |
| 1 | /***************************************************************************** |
| 2 | |
| 3 | 6309dasm.c - a 6309 opcode disassembler |
| 4 | Version 1.0 5-AUG-2000 |
| 5 | Copyright Tim Lindner |
| 6 | |
| 7 | Based on: |
| 8 | 6809dasm.c - a 6809 opcode disassembler |
| 9 | Version 1.4 1-MAR-95 |
| 10 | Copyright Sean Riddle |
| 11 | |
| 12 | Thanks to Franklin Bowen for bug fixes, ideas |
| 13 | |
| 14 | Freely distributable on any medium given all copyrights are retained |
| 15 | by the author and no charge greater than $7.00 is made for obtaining |
| 16 | this software |
| 17 | |
| 18 | Please send all bug reports, update ideas and data files to: |
| 19 | tlindner@ix.netcom.com |
| 20 | |
| 21 | *****************************************************************************/ |
| 22 | |
| 23 | #include "emu.h" |
| 24 | #include "debugger.h" |
| 25 | #include "hd6309.h" |
| 26 | |
| 27 | // Opcode structure |
| 28 | struct opcodeinfo |
| 29 | { |
| 30 | UINT8 opcode; // 8-bit opcode value |
| 31 | UINT8 length; // Opcode length in bytes |
| 32 | char name[6]; // Opcode name |
| 33 | UINT8 mode; // Addressing mode |
| 34 | unsigned flags; // Disassembly flags |
| 35 | }; |
| 36 | |
| 37 | enum hd6309_addressing_modes |
| 38 | { |
| 39 | INH, // Inherent |
| 40 | DIR, // Direct |
| 41 | DIR_IM, // Direct in memory (6309 only) |
| 42 | IND, // Indexed |
| 43 | REL, // Relative (8 bit) |
| 44 | LREL, // Long relative (16 bit) |
| 45 | EXT, // Extended |
| 46 | IMM, // Immediate |
| 47 | IMM_RR, // Register-to-register |
| 48 | IMM_BW, // Bitwise operations (6309 only) |
| 49 | IMM_TFM, // Transfer from memory (6309 only) |
| 50 | PG1, // Switch to page 1 opcodes |
| 51 | PG2 // Switch to page 2 opcodes |
| 52 | }; |
| 53 | |
| 54 | // Page 0 opcodes (single byte) |
| 55 | static const opcodeinfo hd6309_pg0opcodes[] = |
| 56 | { |
| 57 | { 0x00, 2, "NEG", DIR }, |
| 58 | { 0x01, 3, "OIM", DIR_IM }, |
| 59 | { 0x02, 3, "AIM", DIR_IM }, |
| 60 | { 0x03, 2, "COM", DIR }, |
| 61 | { 0x04, 2, "LSR", DIR }, |
| 62 | { 0x05, 3, "EIM", DIR_IM }, |
| 63 | { 0x06, 2, "ROR", DIR }, |
| 64 | { 0x07, 2, "ASR", DIR }, |
| 65 | { 0x08, 2, "ASL", DIR }, |
| 66 | { 0x09, 2, "ROL", DIR }, |
| 67 | { 0x0A, 2, "DEC", DIR }, |
| 68 | { 0x0B, 3, "TIM", DIR_IM }, |
| 69 | { 0x0C, 2, "INC", DIR }, |
| 70 | { 0x0D, 2, "TST", DIR }, |
| 71 | { 0x0E, 2, "JMP", DIR }, |
| 72 | { 0x0F, 2, "CLR", DIR }, |
| 73 | |
| 74 | { 0x10, 1, "page1", PG1 }, |
| 75 | { 0x11, 1, "page2", PG2 }, |
| 76 | { 0x12, 1, "NOP", INH }, |
| 77 | { 0x13, 1, "SYNC", INH }, |
| 78 | { 0x14, 1, "SEXW", INH }, |
| 79 | { 0x16, 3, "LBRA", LREL }, |
| 80 | { 0x17, 3, "LBSR", LREL , DASMFLAG_STEP_OVER }, |
| 81 | { 0x19, 1, "DAA", INH }, |
| 82 | { 0x1A, 2, "ORCC", IMM }, |
| 83 | { 0x1C, 2, "ANDCC", IMM }, |
| 84 | { 0x1D, 1, "SEX", INH }, |
| 85 | { 0x1E, 2, "EXG", IMM_RR }, |
| 86 | { 0x1F, 2, "TFR", IMM_RR }, |
| 87 | |
| 88 | { 0x20, 2, "BRA", REL }, |
| 89 | { 0x21, 2, "BRN", REL }, |
| 90 | { 0x22, 2, "BHI", REL }, |
| 91 | { 0x23, 2, "BLS", REL }, |
| 92 | { 0x24, 2, "BCC", REL }, |
| 93 | { 0x25, 2, "BCS", REL }, |
| 94 | { 0x26, 2, "BNE", REL }, |
| 95 | { 0x27, 2, "BEQ", REL }, |
| 96 | { 0x28, 2, "BVC", REL }, |
| 97 | { 0x29, 2, "BVS", REL }, |
| 98 | { 0x2A, 2, "BPL", REL }, |
| 99 | { 0x2B, 2, "BMI", REL }, |
| 100 | { 0x2C, 2, "BGE", REL }, |
| 101 | { 0x2D, 2, "BLT", REL }, |
| 102 | { 0x2E, 2, "BGT", REL }, |
| 103 | { 0x2F, 2, "BLE", REL }, |
| 104 | |
| 105 | { 0x30, 2, "LEAX", IND }, |
| 106 | { 0x31, 2, "LEAY", IND }, |
| 107 | { 0x32, 2, "LEAS", IND }, |
| 108 | { 0x33, 2, "LEAU", IND }, |
| 109 | { 0x34, 2, "PSHS", INH }, |
| 110 | { 0x35, 2, "PULS", INH }, |
| 111 | { 0x36, 2, "PSHU", INH }, |
| 112 | { 0x37, 2, "PULU", INH }, |
| 113 | { 0x39, 1, "RTS", INH }, |
| 114 | { 0x3A, 1, "ABX", INH }, |
| 115 | { 0x3B, 1, "RTI", INH }, |
| 116 | { 0x3C, 2, "CWAI", IMM }, |
| 117 | { 0x3D, 1, "MUL", INH }, |
| 118 | { 0x3F, 1, "SWI", INH }, |
| 119 | |
| 120 | { 0x40, 1, "NEGA", INH }, |
| 121 | { 0x43, 1, "COMA", INH }, |
| 122 | { 0x44, 1, "LSRA", INH }, |
| 123 | { 0x46, 1, "RORA", INH }, |
| 124 | { 0x47, 1, "ASRA", INH }, |
| 125 | { 0x48, 1, "ASLA", INH }, |
| 126 | { 0x49, 1, "ROLA", INH }, |
| 127 | { 0x4A, 1, "DECA", INH }, |
| 128 | { 0x4C, 1, "INCA", INH }, |
| 129 | { 0x4D, 1, "TSTA", INH }, |
| 130 | { 0x4F, 1, "CLRA", INH }, |
| 131 | |
| 132 | { 0x50, 1, "NEGB", INH }, |
| 133 | { 0x53, 1, "COMB", INH }, |
| 134 | { 0x54, 1, "LSRB", INH }, |
| 135 | { 0x56, 1, "RORB", INH }, |
| 136 | { 0x57, 1, "ASRB", INH }, |
| 137 | { 0x58, 1, "ASLB", INH }, |
| 138 | { 0x59, 1, "ROLB", INH }, |
| 139 | { 0x5A, 1, "DECB", INH }, |
| 140 | { 0x5C, 1, "INCB", INH }, |
| 141 | { 0x5D, 1, "TSTB", INH }, |
| 142 | { 0x5F, 1, "CLRB", INH }, |
| 143 | |
| 144 | { 0x60, 2, "NEG", IND }, |
| 145 | { 0x61, 3, "OIM", IND }, |
| 146 | { 0x62, 3, "AIM", IND }, |
| 147 | { 0x63, 2, "COM", IND }, |
| 148 | { 0x64, 2, "LSR", IND }, |
| 149 | { 0x65, 3, "EIM", IND }, |
| 150 | { 0x66, 2, "ROR", IND }, |
| 151 | { 0x67, 2, "ASR", IND }, |
| 152 | { 0x68, 2, "ASL", IND }, |
| 153 | { 0x69, 2, "ROL", IND }, |
| 154 | { 0x6A, 2, "DEC", IND }, |
| 155 | { 0x6B, 3, "TIM", IND }, |
| 156 | { 0x6C, 2, "INC", IND }, |
| 157 | { 0x6D, 2, "TST", IND }, |
| 158 | { 0x6E, 2, "JMP", IND }, |
| 159 | { 0x6F, 2, "CLR", IND }, |
| 160 | |
| 161 | { 0x70, 3, "NEG", EXT }, |
| 162 | { 0x71, 4, "OIM", EXT }, |
| 163 | { 0x72, 4, "AIM", EXT }, |
| 164 | { 0x73, 3, "COM", EXT }, |
| 165 | { 0x74, 3, "LSR", EXT }, |
| 166 | { 0x75, 4, "EIM", EXT }, |
| 167 | { 0x76, 3, "ROR", EXT }, |
| 168 | { 0x77, 3, "ASR", EXT }, |
| 169 | { 0x78, 3, "ASL", EXT }, |
| 170 | { 0x79, 3, "ROL", EXT }, |
| 171 | { 0x7A, 3, "DEC", EXT }, |
| 172 | { 0x7B, 4, "TIM", EXT }, |
| 173 | { 0x7C, 3, "INC", EXT }, |
| 174 | { 0x7D, 3, "TST", EXT }, |
| 175 | { 0x7E, 3, "JMP", EXT }, |
| 176 | { 0x7F, 3, "CLR", EXT }, |
| 177 | |
| 178 | { 0x80, 2, "SUBA", IMM }, |
| 179 | { 0x81, 2, "CMPA", IMM }, |
| 180 | { 0x82, 2, "SBCA", IMM }, |
| 181 | { 0x83, 3, "SUBD", IMM }, |
| 182 | { 0x84, 2, "ANDA", IMM }, |
| 183 | { 0x85, 2, "BITA", IMM }, |
| 184 | { 0x86, 2, "LDA", IMM }, |
| 185 | { 0x88, 2, "EORA", IMM }, |
| 186 | { 0x89, 2, "ADCA", IMM }, |
| 187 | { 0x8A, 2, "ORA", IMM }, |
| 188 | { 0x8B, 2, "ADDA", IMM }, |
| 189 | { 0x8C, 3, "CMPX", IMM }, |
| 190 | { 0x8D, 2, "BSR", REL , DASMFLAG_STEP_OVER }, |
| 191 | { 0x8E, 3, "LDX", IMM }, |
| 192 | |
| 193 | { 0x90, 2, "SUBA", DIR }, |
| 194 | { 0x91, 2, "CMPA", DIR }, |
| 195 | { 0x92, 2, "SBCA", DIR }, |
| 196 | { 0x93, 2, "SUBD", DIR }, |
| 197 | { 0x94, 2, "ANDA", DIR }, |
| 198 | { 0x95, 2, "BITA", DIR }, |
| 199 | { 0x96, 2, "LDA", DIR }, |
| 200 | { 0x97, 2, "STA", DIR }, |
| 201 | { 0x98, 2, "EORA", DIR }, |
| 202 | { 0x99, 2, "ADCA", DIR }, |
| 203 | { 0x9A, 2, "ORA", DIR }, |
| 204 | { 0x9B, 2, "ADDA", DIR }, |
| 205 | { 0x9C, 2, "CMPX", DIR }, |
| 206 | { 0x9D, 2, "JSR", DIR , DASMFLAG_STEP_OVER }, |
| 207 | { 0x9E, 2, "LDX", DIR }, |
| 208 | { 0x9F, 2, "STX", DIR }, |
| 209 | |
| 210 | { 0xA0, 2, "SUBA", IND }, |
| 211 | { 0xA1, 2, "CMPA", IND }, |
| 212 | { 0xA2, 2, "SBCA", IND }, |
| 213 | { 0xA3, 2, "SUBD", IND }, |
| 214 | { 0xA4, 2, "ANDA", IND }, |
| 215 | { 0xA5, 2, "BITA", IND }, |
| 216 | { 0xA6, 2, "LDA", IND }, |
| 217 | { 0xA7, 2, "STA", IND }, |
| 218 | { 0xA8, 2, "EORA", IND }, |
| 219 | { 0xA9, 2, "ADCA", IND }, |
| 220 | { 0xAA, 2, "ORA", IND }, |
| 221 | { 0xAB, 2, "ADDA", IND }, |
| 222 | { 0xAC, 2, "CMPX", IND }, |
| 223 | { 0xAD, 2, "JSR", IND , DASMFLAG_STEP_OVER }, |
| 224 | { 0xAE, 2, "LDX", IND }, |
| 225 | { 0xAF, 2, "STX", IND }, |
| 226 | |
| 227 | { 0xB0, 3, "SUBA", EXT }, |
| 228 | { 0xB1, 3, "CMPA", EXT }, |
| 229 | { 0xB2, 3, "SBCA", EXT }, |
| 230 | { 0xB3, 3, "SUBD", EXT }, |
| 231 | { 0xB4, 3, "ANDA", EXT }, |
| 232 | { 0xB5, 3, "BITA", EXT }, |
| 233 | { 0xB6, 3, "LDA", EXT }, |
| 234 | { 0xB7, 3, "STA", EXT }, |
| 235 | { 0xB8, 3, "EORA", EXT }, |
| 236 | { 0xB9, 3, "ADCA", EXT }, |
| 237 | { 0xBA, 3, "ORA", EXT }, |
| 238 | { 0xBB, 3, "ADDA", EXT }, |
| 239 | { 0xBC, 3, "CMPX", EXT }, |
| 240 | { 0xBD, 3, "JSR", EXT , DASMFLAG_STEP_OVER }, |
| 241 | { 0xBE, 3, "LDX", EXT }, |
| 242 | { 0xBF, 3, "STX", EXT }, |
| 243 | |
| 244 | { 0xC0, 2, "SUBB", IMM }, |
| 245 | { 0xC1, 2, "CMPB", IMM }, |
| 246 | { 0xC2, 2, "SBCB", IMM }, |
| 247 | { 0xC3, 3, "ADDD", IMM }, |
| 248 | { 0xC4, 2, "ANDB", IMM }, |
| 249 | { 0xC5, 2, "BITB", IMM }, |
| 250 | { 0xC6, 2, "LDB", IMM }, |
| 251 | { 0xC8, 2, "EORB", IMM }, |
| 252 | { 0xC9, 2, "ADCB", IMM }, |
| 253 | { 0xCA, 2, "ORB", IMM }, |
| 254 | { 0xCB, 2, "ADDB", IMM }, |
| 255 | { 0xCC, 3, "LDD", IMM }, |
| 256 | { 0xCD, 5, "LDQ", IMM }, |
| 257 | { 0xCE, 3, "LDU", IMM }, |
| 258 | |
| 259 | { 0xD0, 2, "SUBB", DIR }, |
| 260 | { 0xD1, 2, "CMPB", DIR }, |
| 261 | { 0xD2, 2, "SBCB", DIR }, |
| 262 | { 0xD3, 2, "ADDD", DIR }, |
| 263 | { 0xD4, 2, "ANDB", DIR }, |
| 264 | { 0xD5, 2, "BITB", DIR }, |
| 265 | { 0xD6, 2, "LDB", DIR }, |
| 266 | { 0xD7, 2, "STB", DIR }, |
| 267 | { 0xD8, 2, "EORB", DIR }, |
| 268 | { 0xD9, 2, "ADCB", DIR }, |
| 269 | { 0xDA, 2, "ORB", DIR }, |
| 270 | { 0xDB, 2, "ADDB", DIR }, |
| 271 | { 0xDC, 2, "LDD", DIR }, |
| 272 | { 0xDD, 2, "STD", DIR }, |
| 273 | { 0xDE, 2, "LDU", DIR }, |
| 274 | { 0xDF, 2, "STU", DIR }, |
| 275 | |
| 276 | { 0xE0, 2, "SUBB", IND }, |
| 277 | { 0xE1, 2, "CMPB", IND }, |
| 278 | { 0xE2, 2, "SBCB", IND }, |
| 279 | { 0xE3, 2, "ADDD", IND }, |
| 280 | { 0xE4, 2, "ANDB", IND }, |
| 281 | { 0xE5, 2, "BITB", IND }, |
| 282 | { 0xE6, 2, "LDB", IND }, |
| 283 | { 0xE7, 2, "STB", IND }, |
| 284 | { 0xE8, 2, "EORB", IND }, |
| 285 | { 0xE9, 2, "ADCB", IND }, |
| 286 | { 0xEA, 2, "ORB", IND }, |
| 287 | { 0xEB, 2, "ADDB", IND }, |
| 288 | { 0xEC, 2, "LDD", IND }, |
| 289 | { 0xED, 2, "STD", IND }, |
| 290 | { 0xEE, 2, "LDU", IND }, |
| 291 | { 0xEF, 2, "STU", IND }, |
| 292 | |
| 293 | { 0xF0, 3, "SUBB", EXT }, |
| 294 | { 0xF1, 3, "CMPB", EXT }, |
| 295 | { 0xF2, 3, "SBCB", EXT }, |
| 296 | { 0xF3, 3, "ADDD", EXT }, |
| 297 | { 0xF4, 3, "ANDB", EXT }, |
| 298 | { 0xF5, 3, "BITB", EXT }, |
| 299 | { 0xF6, 3, "LDB", EXT }, |
| 300 | { 0xF7, 3, "STB", EXT }, |
| 301 | { 0xF8, 3, "EORB", EXT }, |
| 302 | { 0xF9, 3, "ADCB", EXT }, |
| 303 | { 0xFA, 3, "ORB", EXT }, |
| 304 | { 0xFB, 3, "ADDB", EXT }, |
| 305 | { 0xFC, 3, "LDD", EXT }, |
| 306 | { 0xFD, 3, "STD", EXT }, |
| 307 | { 0xFE, 3, "LDU", EXT }, |
| 308 | { 0xFF, 3, "STU", EXT } |
| 309 | }; |
| 310 | |
| 311 | // Page 1 opcodes (0x10 0x..) |
| 312 | static const opcodeinfo hd6309_pg1opcodes[] = |
| 313 | { |
| 314 | { 0x21, 4, "LBRN", LREL }, |
| 315 | { 0x22, 4, "LBHI", LREL }, |
| 316 | { 0x23, 4, "LBLS", LREL }, |
| 317 | { 0x24, 4, "LBCC", LREL }, |
| 318 | { 0x25, 4, "LBCS", LREL }, |
| 319 | { 0x26, 4, "LBNE", LREL }, |
| 320 | { 0x27, 4, "LBEQ", LREL }, |
| 321 | { 0x28, 4, "LBVC", LREL }, |
| 322 | { 0x29, 4, "LBVS", LREL }, |
| 323 | { 0x2A, 4, "LBPL", LREL }, |
| 324 | { 0x2B, 4, "LBMI", LREL }, |
| 325 | { 0x2C, 4, "LBGE", LREL }, |
| 326 | { 0x2D, 4, "LBLT", LREL }, |
| 327 | { 0x2E, 4, "LBGT", LREL }, |
| 328 | { 0x2F, 4, "LBLE", LREL }, |
| 329 | |
| 330 | { 0x30, 3, "ADDR", IMM_RR }, |
| 331 | { 0x31, 3, "ADCR", IMM_RR }, |
| 332 | { 0x32, 3, "SUBR", IMM_RR }, |
| 333 | { 0x33, 3, "SBCR", IMM_RR }, |
| 334 | { 0x34, 3, "ANDR", IMM_RR }, |
| 335 | { 0x35, 3, "ORR", IMM_RR }, |
| 336 | { 0x36, 3, "EORR", IMM_RR }, |
| 337 | { 0x37, 3, "CMPR", IMM_RR }, |
| 338 | |
| 339 | { 0x38, 2, "PSHSW", INH }, |
| 340 | { 0x39, 2, "PULSW", INH }, |
| 341 | { 0x3A, 2, "PSHUW", INH }, |
| 342 | { 0x3B, 2, "PULUW", INH }, |
| 343 | |
| 344 | { 0x3F, 2, "SWI2", INH }, |
| 345 | |
| 346 | { 0x40, 2, "NEGD", INH }, |
| 347 | { 0x43, 2, "COMD", INH }, |
| 348 | { 0x44, 2, "LSRD", INH }, |
| 349 | { 0x46, 2, "RORD", INH }, |
| 350 | { 0x47, 2, "ASRD", INH }, |
| 351 | { 0x48, 2, "ASLD", INH }, |
| 352 | { 0x49, 2, "ROLD", INH }, |
| 353 | |
| 354 | { 0x4A, 2, "DECD", INH }, |
| 355 | { 0x4C, 2, "INCD", INH }, |
| 356 | { 0x4D, 2, "TSTD", INH }, |
| 357 | { 0x4f, 2, "CLRD", INH }, |
| 358 | |
| 359 | { 0x53, 2, "COMW", INH }, |
| 360 | { 0x54, 2, "LSRW", INH }, |
| 361 | { 0x56, 2, "RORW", INH }, |
| 362 | { 0x59, 2, "ROLW", INH }, |
| 363 | { 0x5A, 2, "DECW", INH }, |
| 364 | { 0x5C, 2, "INCW", INH }, |
| 365 | { 0x5D, 2, "TSTW", INH }, |
| 366 | { 0x5F, 2, "CLRW", INH }, |
| 367 | { 0x80, 4, "SUBW", IMM }, |
| 368 | { 0x81, 4, "CMPW", IMM }, |
| 369 | { 0x82, 4, "SBCD", IMM }, |
| 370 | |
| 371 | { 0x83, 4, "CMPD", IMM }, |
| 372 | |
| 373 | { 0x84, 4, "ANDD", IMM }, |
| 374 | { 0x85, 4, "BITD", IMM }, |
| 375 | { 0x86, 4, "LDW", IMM }, |
| 376 | { 0x88, 4, "EORD", IMM }, |
| 377 | { 0x89, 4, "ADCD", IMM }, |
| 378 | { 0x8A, 4, "ORD", IMM }, |
| 379 | { 0x8B, 4, "ADDW", IMM }, |
| 380 | |
| 381 | { 0x8C, 4, "CMPY", IMM }, |
| 382 | { 0x8E, 4, "LDY", IMM }, |
| 383 | |
| 384 | { 0x90, 3, "SUBW", DIR }, |
| 385 | { 0x91, 3, "CMPW", DIR }, |
| 386 | { 0x92, 3, "SBCD", DIR }, |
| 387 | |
| 388 | { 0x93, 3, "CMPD", DIR }, |
| 389 | |
| 390 | { 0x94, 3, "ANDD", DIR }, |
| 391 | { 0x95, 3, "BITD", DIR }, |
| 392 | { 0x96, 3, "LDW", DIR }, |
| 393 | { 0x97, 3, "STW", DIR }, |
| 394 | { 0x98, 3, "EORD", DIR }, |
| 395 | { 0x99, 3, "ADCD", DIR }, |
| 396 | { 0x9A, 3, "ORD", DIR }, |
| 397 | { 0x9B, 3, "ADDW", DIR }, |
| 398 | |
| 399 | { 0x9C, 3, "CMPY", DIR }, |
| 400 | { 0x9E, 3, "LDY", DIR }, |
| 401 | { 0x9F, 3, "STY", DIR }, |
| 402 | |
| 403 | { 0xA0, 3, "SUBW", IND }, |
| 404 | { 0xA1, 3, "CMPW", IND }, |
| 405 | { 0xA2, 3, "SBCD", IND }, |
| 406 | |
| 407 | { 0xA3, 3, "CMPD", IND }, |
| 408 | |
| 409 | { 0xA4, 3, "ANDD", IND }, |
| 410 | { 0xA5, 3, "BITD", IND }, |
| 411 | |
| 412 | { 0xA6, 3, "LDW", IND }, |
| 413 | { 0xA7, 3, "STW", IND }, |
| 414 | { 0xA8, 3, "EORD", IND }, |
| 415 | { 0xA9, 3, "ADCD", IND }, |
| 416 | { 0xAA, 3, "ORD", IND }, |
| 417 | { 0xAB, 3, "ADDW", IND }, |
| 418 | |
| 419 | { 0xAC, 3, "CMPY", IND }, |
| 420 | { 0xAE, 3, "LDY", IND }, |
| 421 | { 0xAF, 3, "STY", IND }, |
| 422 | |
| 423 | { 0xB0, 4, "SUBW", EXT }, |
| 424 | { 0xB1, 4, "CMPW", EXT }, |
| 425 | { 0xB2, 4, "SBCD", EXT }, |
| 426 | |
| 427 | { 0xB3, 4, "CMPD", EXT }, |
| 428 | |
| 429 | { 0xB4, 4, "ANDD", EXT }, |
| 430 | { 0xB5, 4, "BITD", EXT }, |
| 431 | { 0xB6, 4, "LDW", EXT }, |
| 432 | { 0xB7, 4, "STW", EXT }, |
| 433 | { 0xB8, 4, "EORD", EXT }, |
| 434 | { 0xB9, 4, "ADCD", EXT }, |
| 435 | { 0xBA, 4, "ORD", EXT }, |
| 436 | { 0xBB, 4, "ADDW", EXT }, |
| 437 | |
| 438 | { 0xBC, 4, "CMPY", EXT }, |
| 439 | { 0xBE, 4, "LDY", EXT }, |
| 440 | { 0xBF, 4, "STY", EXT }, |
| 441 | { 0xCE, 4, "LDS", IMM }, |
| 442 | |
| 443 | { 0xDC, 3, "LDQ", DIR }, |
| 444 | { 0xDD, 3, "STQ", DIR }, |
| 445 | |
| 446 | { 0xDE, 3, "LDS", DIR }, |
| 447 | { 0xDF, 3, "STS", DIR }, |
| 448 | |
| 449 | { 0xEC, 3, "LDQ", IND }, |
| 450 | { 0xED, 3, "STQ", IND }, |
| 451 | { 0xEE, 3, "LDS", IND }, |
| 452 | |
| 453 | { 0xEE, 3, "LDS", IND }, |
| 454 | { 0xEF, 3, "STS", IND }, |
| 455 | |
| 456 | { 0xFC, 4, "LDQ", EXT }, |
| 457 | { 0xFD, 4, "STQ", EXT }, |
| 458 | |
| 459 | { 0xFE, 4, "LDS", EXT }, |
| 460 | { 0xFF, 4, "STS", EXT } |
| 461 | }; |
| 462 | |
| 463 | // Page 2 opcodes (0x11 0x..) |
| 464 | static const opcodeinfo hd6309_pg2opcodes[] = |
| 465 | { |
| 466 | { 0x30, 4, "BAND", IMM_BW }, |
| 467 | { 0x31, 4, "BIAND", IMM_BW }, |
| 468 | { 0x32, 4, "BOR", IMM_BW }, |
| 469 | { 0x33, 4, "BIOR", IMM_BW }, |
| 470 | { 0x34, 4, "BEOR", IMM_BW }, |
| 471 | { 0x35, 4, "BIEOR", IMM_BW }, |
| 472 | |
| 473 | { 0x36, 4, "LDBT", IMM_BW }, |
| 474 | { 0x37, 4, "STBT", IMM_BW }, |
| 475 | |
| 476 | { 0x38, 3, "TFM", IMM_TFM }, |
| 477 | { 0x39, 3, "TFM", IMM_TFM }, |
| 478 | { 0x3A, 3, "TFM", IMM_TFM }, |
| 479 | { 0x3B, 3, "TFM", IMM_TFM }, |
| 480 | |
| 481 | { 0x3C, 3, "BITMD", IMM }, |
| 482 | { 0x3D, 3, "LDMD", IMM }, |
| 483 | |
| 484 | { 0x3F, 2, "SWI3", INH }, |
| 485 | |
| 486 | { 0x43, 2, "COME", INH }, |
| 487 | { 0x4A, 2, "DECE", INH }, |
| 488 | { 0x4C, 2, "INCE", INH }, |
| 489 | { 0x4D, 2, "TSTE", INH }, |
| 490 | { 0x4F, 2, "CLRE", INH }, |
| 491 | { 0x53, 2, "COMF", INH }, |
| 492 | { 0x5A, 2, "DECF", INH }, |
| 493 | { 0x5C, 2, "INCF", INH }, |
| 494 | { 0x5D, 2, "TSTF", INH }, |
| 495 | { 0x5F, 2, "CLRF", INH }, |
| 496 | |
| 497 | { 0x80, 3, "SUBE", IMM }, |
| 498 | { 0x81, 3, "CMPE", IMM }, |
| 499 | |
| 500 | { 0x83, 4, "CMPU", IMM }, |
| 501 | |
| 502 | { 0x86, 3, "LDE", IMM }, |
| 503 | { 0x8b, 3, "ADDE", IMM }, |
| 504 | |
| 505 | { 0x8C, 4, "CMPS", IMM }, |
| 506 | |
| 507 | { 0x8D, 3, "DIVD", IMM }, |
| 508 | { 0x8E, 4, "DIVQ", IMM }, |
| 509 | { 0x8F, 4, "MULD", IMM }, |
| 510 | { 0x90, 3, "SUBE", DIR }, |
| 511 | { 0x91, 3, "CMPE", DIR }, |
| 512 | |
| 513 | { 0x93, 3, "CMPU", DIR }, |
| 514 | |
| 515 | { 0x96, 3, "LDE", DIR }, |
| 516 | { 0x97, 3, "STE", DIR }, |
| 517 | { 0x9B, 3, "ADDE", DIR }, |
| 518 | |
| 519 | { 0x9C, 3, "CMPS", DIR }, |
| 520 | |
| 521 | { 0x9D, 3, "DIVD", DIR }, |
| 522 | { 0x9E, 3, "DIVQ", DIR }, |
| 523 | { 0x9F, 3, "MULD", DIR }, |
| 524 | |
| 525 | { 0xA0, 3, "SUBE", IND }, |
| 526 | { 0xA1, 3, "CMPE", IND }, |
| 527 | |
| 528 | { 0xA3, 3, "CMPU", IND }, |
| 529 | |
| 530 | { 0xA6, 3, "LDE", IND }, |
| 531 | { 0xA7, 3, "STE", IND }, |
| 532 | { 0xAB, 3, "ADDE", IND }, |
| 533 | |
| 534 | { 0xAC, 3, "CMPS", IND }, |
| 535 | |
| 536 | { 0xAD, 3, "DIVD", IND }, |
| 537 | { 0xAE, 3, "DIVQ", IND }, |
| 538 | { 0xAF, 3, "MULD", IND }, |
| 539 | { 0xB0, 4, "SUBE", EXT }, |
| 540 | { 0xB1, 4, "CMPE", EXT }, |
| 541 | |
| 542 | { 0xB3, 4, "CMPU", EXT }, |
| 543 | |
| 544 | { 0xB6, 4, "LDE", EXT }, |
| 545 | { 0xB7, 4, "STE", EXT }, |
| 546 | |
| 547 | { 0xBB, 4, "ADDE", EXT }, |
| 548 | { 0xBC, 4, "CMPS", EXT }, |
| 549 | |
| 550 | { 0xBD, 4, "DIVD", EXT }, |
| 551 | { 0xBE, 4, "DIVQ", EXT }, |
| 552 | { 0xBF, 4, "MULD", EXT }, |
| 553 | |
| 554 | { 0xC0, 3, "SUBF", IMM }, |
| 555 | { 0xC1, 3, "CMPF", IMM }, |
| 556 | { 0xC6, 3, "LDF", IMM }, |
| 557 | { 0xCB, 3, "ADDF", IMM }, |
| 558 | |
| 559 | { 0xD0, 3, "SUBF", DIR }, |
| 560 | { 0xD1, 3, "CMPF", DIR }, |
| 561 | { 0xD6, 3, "LDF", DIR }, |
| 562 | { 0xD7, 3, "STF", DIR }, |
| 563 | { 0xDB, 3, "ADDF", DIR }, |
| 564 | |
| 565 | { 0xE0, 3, "SUBF", IND }, |
| 566 | { 0xE1, 3, "CMPF", IND }, |
| 567 | { 0xE6, 3, "LDF", IND }, |
| 568 | { 0xE7, 3, "STF", IND }, |
| 569 | { 0xEB, 3, "ADDF", IND }, |
| 570 | |
| 571 | { 0xF0, 4, "SUBF", EXT }, |
| 572 | { 0xF1, 4, "CMPF", EXT }, |
| 573 | { 0xF6, 4, "LDF", EXT }, |
| 574 | { 0xF7, 4, "STF", EXT }, |
| 575 | { 0xFB, 4, "ADDF", EXT } |
| 576 | }; |
| 577 | |
| 578 | static const opcodeinfo *const hd6309_pgpointers[3] = |
| 579 | { |
| 580 | hd6309_pg0opcodes, hd6309_pg1opcodes, hd6309_pg2opcodes |
| 581 | }; |
| 582 | |
| 583 | static const int hd6309_numops[3] = |
| 584 | { |
| 585 | sizeof(hd6309_pg0opcodes) / sizeof(hd6309_pg0opcodes[0]), |
| 586 | sizeof(hd6309_pg1opcodes) / sizeof(hd6309_pg1opcodes[0]), |
| 587 | sizeof(hd6309_pg2opcodes) / sizeof(hd6309_pg2opcodes[0]) |
| 588 | }; |
| 589 | |
| 590 | static const char *const hd6309_regs[5] = { "X", "Y", "U", "S", "PC" }; |
| 591 | |
| 592 | static const char *const hd6309_btwregs[5] = { "CC", "A", "B", "inv" }; |
| 593 | |
| 594 | static const char *const hd6309_teregs[16] = |
| 595 | { |
| 596 | "D", "X", "Y", "U", "S", "PC", "W", "V", |
| 597 | "A", "B", "CC", "DP", "0", "0", "E", "F" |
| 598 | }; |
| 599 | |
| 600 | static const char *const hd6309_tfmregs[16] = { |
| 601 | "D", "X", "Y", "U", "S", "inv", "inv", "inv", |
| 602 | "inv", "inv", "inv", "inv", "inv", "inv", "inv", "inv" |
| 603 | }; |
| 604 | |
| 605 | static const char *const tfm_s[] = { "%s+,%s+", "%s-,%s-", "%s+,%s", "%s,%s+" }; |
| 606 | |
| 607 | offs_t hd6309_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options) |
| 608 | { |
| 609 | UINT8 opcode, mode, pb, pbm, reg; |
| 610 | const UINT8 *operandarray; |
| 611 | unsigned int ea, flags; |
| 612 | int numoperands, offset, indirect; |
| 613 | |
| 614 | int i, p = 0, page = 0, opcode_found = FALSE; |
| 615 | |
| 616 | do |
| 617 | { |
| 618 | opcode = oprom[p++]; |
| 619 | for (i = 0; i < hd6309_numops[page]; i++) |
| 620 | if (hd6309_pgpointers[page][i].opcode == opcode) |
| 621 | break; |
| 622 | |
| 623 | if (i < hd6309_numops[page]) |
| 624 | opcode_found = TRUE; |
| 625 | else |
| 626 | { |
| 627 | strcpy(buffer, "Illegal Opcode"); |
| 628 | return p | DASMFLAG_SUPPORTED; |
| 629 | } |
| 630 | |
| 631 | if (hd6309_pgpointers[page][i].mode >= PG1) |
| 632 | { |
| 633 | page = hd6309_pgpointers[page][i].mode - PG1 + 1; |
| 634 | opcode_found = FALSE; |
| 635 | } |
| 636 | } while (!opcode_found); |
| 637 | |
| 638 | if (page == 0) |
| 639 | numoperands = hd6309_pgpointers[page][i].length - 1; |
| 640 | else |
| 641 | numoperands = hd6309_pgpointers[page][i].length - 2; |
| 642 | |
| 643 | operandarray = &opram[p]; |
| 644 | p += numoperands; |
| 645 | pc += p; |
| 646 | mode = hd6309_pgpointers[page][i].mode; |
| 647 | flags = hd6309_pgpointers[page][i].flags; |
| 648 | |
| 649 | buffer += sprintf(buffer, "%-6s", hd6309_pgpointers[page][i].name); |
| 650 | |
| 651 | switch (mode) |
| 652 | { |
| 653 | case INH: |
| 654 | switch (opcode) |
| 655 | { |
| 656 | case 0x34: // PSHS |
| 657 | case 0x36: // PSHU |
| 658 | pb = operandarray[0]; |
| 659 | if (pb & 0x80) |
| 660 | buffer += sprintf(buffer, "PC"); |
| 661 | if (pb & 0x40) |
| 662 | buffer += sprintf(buffer, "%s%s", (pb&0x80)?",":"", (opcode==0x34)?"U":"S"); |
| 663 | if (pb & 0x20) |
| 664 | buffer += sprintf(buffer, "%sY", (pb&0xc0)?",":""); |
| 665 | if (pb & 0x10) |
| 666 | buffer += sprintf(buffer, "%sX", (pb&0xe0)?",":""); |
| 667 | if (pb & 0x08) |
| 668 | buffer += sprintf(buffer, "%sDP", (pb&0xf0)?",":""); |
| 669 | if (pb & 0x04) |
| 670 | buffer += sprintf(buffer, "%sB", (pb&0xf8)?",":""); |
| 671 | if (pb & 0x02) |
| 672 | buffer += sprintf(buffer, "%sA", (pb&0xfc)?",":""); |
| 673 | if (pb & 0x01) |
| 674 | buffer += sprintf(buffer, "%sCC", (pb&0xfe)?",":""); |
| 675 | break; |
| 676 | case 0x35: // PULS |
| 677 | case 0x37: // PULU |
| 678 | pb = operandarray[0]; |
| 679 | if (pb & 0x01) |
| 680 | buffer += sprintf(buffer, "CC"); |
| 681 | if (pb & 0x02) |
| 682 | buffer += sprintf(buffer, "%sA", (pb&0x01)?",":""); |
| 683 | if (pb & 0x04) |
| 684 | buffer += sprintf(buffer, "%sB", (pb&0x03)?",":""); |
| 685 | if (pb & 0x08) |
| 686 | buffer += sprintf(buffer, "%sDP", (pb&0x07)?",":""); |
| 687 | if (pb & 0x10) |
| 688 | buffer += sprintf(buffer, "%sX", (pb&0x0f)?",":""); |
| 689 | if (pb & 0x20) |
| 690 | buffer += sprintf(buffer, "%sY", (pb&0x1f)?",":""); |
| 691 | if (pb & 0x40) |
| 692 | buffer += sprintf(buffer, "%s%s", (pb&0x3f)?",":"", (opcode==0x35)?"U":"S"); |
| 693 | if (pb & 0x80) |
| 694 | buffer += sprintf(buffer, "%sPC ; (PUL? PC=RTS)", (pb&0x7f)?",":""); |
| 695 | break; |
| 696 | default: |
| 697 | // No operands |
| 698 | break; |
| 699 | } |
| 700 | break; |
| 701 | |
| 702 | case DIR: |
| 703 | ea = operandarray[0]; |
| 704 | buffer += sprintf(buffer, "$%02X", ea); |
| 705 | break; |
| 706 | |
| 707 | case DIR_IM: |
| 708 | buffer += sprintf(buffer, "#$%02X,", operandarray[0]); |
| 709 | buffer += sprintf(buffer, "$%02X", operandarray[1]); |
| 710 | break; |
| 711 | |
| 712 | case REL: |
| 713 | offset = (INT8)operandarray[0]; |
| 714 | buffer += sprintf(buffer, "$%04X", (pc + offset) & 0xffff); |
| 715 | break; |
| 716 | |
| 717 | case LREL: |
| 718 | offset = (INT16)((operandarray[0] << 8) + operandarray[1]); |
| 719 | buffer += sprintf(buffer, "$%04X", (pc + offset) & 0xffff); |
| 720 | break; |
| 721 | |
| 722 | case EXT: |
| 723 | if (numoperands == 3) |
| 724 | { |
| 725 | pb = operandarray[0]; |
| 726 | ea = (operandarray[1] << 8) + operandarray[2]; |
| 727 | buffer += sprintf(buffer, "#$%02X,$%04X", pb, ea); |
| 728 | } |
| 729 | else |
| 730 | if (numoperands == 2) |
| 731 | { |
| 732 | ea = (operandarray[0] << 8) + operandarray[1]; |
| 733 | buffer += sprintf(buffer, "$%04X", ea); |
| 734 | } |
| 735 | break; |
| 736 | |
| 737 | case IND: |
| 738 | if (numoperands == 2) |
| 739 | { |
| 740 | buffer += sprintf(buffer, "#$%02X,", operandarray[0]); |
| 741 | pb = operandarray[1]; |
| 742 | } |
| 743 | else |
| 744 | { |
| 745 | pb = operandarray[0]; |
| 746 | } |
| 747 | |
| 748 | reg = (pb >> 5) & 3; |
| 749 | pbm = pb & 0x8f; |
| 750 | indirect = ((pb & 0x90) == 0x90 )? TRUE : FALSE; |
| 751 | |
| 752 | // open brackets if indirect |
| 753 | if (indirect && pbm != 0x82) |
| 754 | buffer += sprintf(buffer, "["); |
| 755 | |
| 756 | switch (pbm) |
| 757 | { |
| 758 | case 0x80: // ,R+ or operations relative to W |
| 759 | if (indirect) |
| 760 | { |
| 761 | switch (reg) |
| 762 | { |
| 763 | case 0x00: |
| 764 | buffer += sprintf(buffer, ",W"); |
| 765 | break; |
| 766 | case 0x01: |
| 767 | offset = (INT16)((opram[p+0] << 8) + opram[p+1]); |
| 768 | p += 2; |
| 769 | buffer += sprintf(buffer, "%s", (offset < 0) ? "-" : ""); |
| 770 | buffer += sprintf(buffer, "$%04X,W", (offset < 0) ? -offset : offset); |
| 771 | break; |
| 772 | case 0x02: |
| 773 | buffer += sprintf(buffer, ",W++"); |
| 774 | break; |
| 775 | case 0x03: |
| 776 | buffer += sprintf(buffer, ",--W"); |
| 777 | break; |
| 778 | } |
| 779 | } |
| 780 | else |
| 781 | buffer += sprintf(buffer, ",%s+", hd6309_regs[reg]); |
| 782 | break; |
| 783 | |
| 784 | case 0x81: // ,R++ |
| 785 | buffer += sprintf(buffer, ",%s++", hd6309_regs[reg]); |
| 786 | break; |
| 787 | |
| 788 | case 0x82: // ,-R |
| 789 | if (indirect) |
| 790 | strcpy(buffer, "Illegal Postbyte"); |
| 791 | else |
| 792 | buffer += sprintf(buffer, ",-%s", hd6309_regs[reg]); |
| 793 | break; |
| 794 | |
| 795 | case 0x83: // ,--R |
| 796 | buffer += sprintf(buffer, ",--%s", hd6309_regs[reg]); |
| 797 | break; |
| 798 | |
| 799 | case 0x84: // ,R |
| 800 | buffer += sprintf(buffer, ",%s", hd6309_regs[reg]); |
| 801 | break; |
| 802 | |
| 803 | case 0x85: // (+/- B),R |
| 804 | buffer += sprintf(buffer, "B,%s", hd6309_regs[reg]); |
| 805 | break; |
| 806 | |
| 807 | case 0x86: // (+/- A),R |
| 808 | buffer += sprintf(buffer, "A,%s", hd6309_regs[reg]); |
| 809 | break; |
| 810 | |
| 811 | case 0x87: // (+/- E),R |
| 812 | buffer += sprintf(buffer, "E,%s", hd6309_regs[reg]); |
| 813 | break; |
| 814 | |
| 815 | case 0x88: // (+/- 7 bit offset),R |
| 816 | offset = (INT8)opram[p++]; |
| 817 | buffer += sprintf(buffer, "%s", (offset < 0) ? "-" : ""); |
| 818 | buffer += sprintf(buffer, "$%02X,", (offset < 0) ? -offset : offset); |
| 819 | buffer += sprintf(buffer, "%s", hd6309_regs[reg]); |
| 820 | break; |
| 821 | |
| 822 | case 0x89: // (+/- 15 bit offset),R |
| 823 | offset = (INT16)((opram[p+0] << 8) + opram[p+1]); |
| 824 | p += 2; |
| 825 | buffer += sprintf(buffer, "%s", (offset < 0) ? "-" : ""); |
| 826 | buffer += sprintf(buffer, "$%04X,", (offset < 0) ? -offset : offset); |
| 827 | buffer += sprintf(buffer, "%s", hd6309_regs[reg]); |
| 828 | break; |
| 829 | |
| 830 | case 0x8a: // (+/- F),R |
| 831 | buffer += sprintf(buffer, "F,%s", hd6309_regs[reg]); |
| 832 | break; |
| 833 | |
| 834 | case 0x8b: // (+/- D),R |
| 835 | buffer += sprintf(buffer, "D,%s", hd6309_regs[reg]); |
| 836 | break; |
| 837 | |
| 838 | case 0x8c: // (+/- 7 bit offset),PC |
| 839 | offset = (INT8)opram[p++]; |
| 840 | buffer += sprintf(buffer, "%s", (offset < 0) ? "-" : ""); |
| 841 | buffer += sprintf(buffer, "$%02X,PC", (offset < 0) ? -offset : offset); |
| 842 | break; |
| 843 | |
| 844 | case 0x8d: // (+/- 15 bit offset),PC |
| 845 | offset = (INT16)((opram[p+0] << 8) + opram[p+1]); |
| 846 | p += 2; |
| 847 | buffer += sprintf(buffer, "%s", (offset < 0) ? "-" : ""); |
| 848 | buffer += sprintf(buffer, "$%04X,PC", (offset < 0) ? -offset : offset); |
| 849 | break; |
| 850 | |
| 851 | case 0x8e: // (+/- W),R |
| 852 | buffer += sprintf(buffer, "W,%s", hd6309_regs[reg]); |
| 853 | break; |
| 854 | |
| 855 | case 0x8f: // address or operations relative to W |
| 856 | if (indirect) |
| 857 | { |
| 858 | ea = (UINT16)((opram[p+0] << 8) + opram[p+1]); |
| 859 | p += 2; |
| 860 | buffer += sprintf(buffer, "$%04X", ea); |
| 861 | break; |
| 862 | } |
| 863 | else |
| 864 | { |
| 865 | switch (reg) |
| 866 | { |
| 867 | case 0x00: |
| 868 | buffer += sprintf(buffer, ",W"); |
| 869 | break; |
| 870 | case 0x01: |
| 871 | offset = (INT16)((opram[p+0] << 8) + opram[p+1]); |
| 872 | p += 2; |
| 873 | buffer += sprintf(buffer, "%s", (offset < 0) ? "-" : ""); |
| 874 | buffer += sprintf(buffer, "$%04X,W", (offset < 0) ? -offset : offset); |
| 875 | break; |
| 876 | case 0x02: |
| 877 | buffer += sprintf(buffer, ",W++"); |
| 878 | break; |
| 879 | case 0x03: |
| 880 | buffer += sprintf(buffer, ",--W"); |
| 881 | break; |
| 882 | } |
| 883 | } |
| 884 | break; |
| 885 | |
| 886 | default: // (+/- 4 bit offset),R |
| 887 | offset = pb & 0x1f; |
| 888 | if (offset > 15) |
| 889 | offset = offset - 32; |
| 890 | buffer += sprintf(buffer, "%s", (offset < 0) ? "-" : ""); |
| 891 | buffer += sprintf(buffer, "$%X,", (offset < 0) ? -offset : offset); |
| 892 | buffer += sprintf(buffer, "%s", hd6309_regs[reg]); |
| 893 | break; |
| 894 | } |
| 895 | |
| 896 | // close brackets if indirect |
| 897 | if (indirect && pbm != 0x82) |
| 898 | buffer += sprintf(buffer, "]"); |
| 899 | break; |
| 900 | |
| 901 | case IMM: |
| 902 | if (numoperands == 4) |
| 903 | { |
| 904 | ea = (operandarray[0] << 24) + (operandarray[1] << 16) + (operandarray[2] << 8) + operandarray[3]; |
| 905 | buffer += sprintf(buffer, "#$%08X", ea); |
| 906 | } |
| 907 | else |
| 908 | if (numoperands == 2) |
| 909 | { |
| 910 | ea = (operandarray[0] << 8) + operandarray[1]; |
| 911 | buffer += sprintf(buffer, "#$%04X", ea); |
| 912 | } |
| 913 | else |
| 914 | if (numoperands == 1) |
| 915 | { |
| 916 | ea = operandarray[0]; |
| 917 | buffer += sprintf(buffer, "#$%02X", ea); |
| 918 | } |
| 919 | break; |
| 920 | |
| 921 | case IMM_RR: |
| 922 | pb = operandarray[0]; |
| 923 | buffer += sprintf(buffer, "%s,%s", hd6309_teregs[(pb >> 4) & 0xf], hd6309_teregs[pb & 0xf]); |
| 924 | break; |
| 925 | |
| 926 | case IMM_BW: |
| 927 | pb = operandarray[0]; |
| 928 | buffer += sprintf(buffer, "%s,", hd6309_btwregs[((pb & 0xc0) >> 6)]); |
| 929 | buffer += sprintf(buffer, "%d,", (pb & 0x38) >> 3); |
| 930 | buffer += sprintf(buffer, "%d,", (pb & 0x07)); |
| 931 | buffer += sprintf(buffer, "$%02X", operandarray[1]); |
| 932 | break; |
| 933 | |
| 934 | case IMM_TFM: |
| 935 | pb = operandarray[0]; |
| 936 | buffer += sprintf(buffer, tfm_s[opcode & 0x07], hd6309_tfmregs[(pb >> 4) & 0xf], hd6309_tfmregs[pb & 0xf]); |
| 937 | break; |
| 938 | } |
| 939 | |
| 940 | return p | flags | DASMFLAG_SUPPORTED; |
| 941 | } |