trunk/src/emu/cpu/dsp16/dsp16.c
| r20066 | r20067 | |
| 137 | 137 | |
| 138 | 138 | void dsp16_device::device_reset() |
| 139 | 139 | { |
| 140 | | m_pc = m_ppc = 0x0000; |
| 140 | // Page 7-5 |
| 141 | m_pc = 0x0000; |
| 142 | m_sioc = 0x0000; |
| 143 | m_pioc = 0x0008; |
| 144 | m_rb = 0x0000; |
| 145 | m_re = 0x0000; |
| 146 | // AUC is not affected by reset |
| 147 | m_ppc = m_pc; |
| 141 | 148 | } |
| 142 | 149 | |
| 143 | 150 | |
| r20066 | r20067 | |
| 163 | 170 | switch (entry.index()) |
| 164 | 171 | { |
| 165 | 172 | case STATE_GENFLAGS: |
| 166 | | string.printf("(see below)"); |
| 173 | string.printf("(multiple below)"); |
| 167 | 174 | break; |
| 168 | 175 | |
| 169 | 176 | // Placeholder for a better view later (TODO) |
| r20066 | r20067 | |
| 294 | 301 | } while (m_icount > 0); |
| 295 | 302 | } |
| 296 | 303 | |
| 297 | | |
| 298 | | void dsp16_device::execute_one(const UINT16 op, UINT8& cycles, UINT8& pcAdvance) |
| 299 | | { |
| 300 | | cycles = 1; |
| 301 | | pcAdvance = 1; |
| 302 | | |
| 303 | | const UINT8 opcode = (op >> 11) & 0x1f; |
| 304 | | switch(opcode) |
| 305 | | { |
| 306 | | // Format 1: Multiply/ALU Read/Write Group |
| 307 | | case 0x06: |
| 308 | | { |
| 309 | | // F1, Y |
| 310 | | //const UINT8 Y = (op & 0x000f); |
| 311 | | //const UINT8 S = (op & 0x0200) >> 9; |
| 312 | | //const UINT8 D = (op & 0x0400) >> 10; |
| 313 | | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 314 | | break; |
| 315 | | } |
| 316 | | case 0x04: case 0x1c: |
| 317 | | { |
| 318 | | // F1 Y=a0[1] | F1 Y=a1[1] |
| 319 | | //const UINT8 Y = (op & 0x000f); |
| 320 | | //const UINT8 S = (op & 0x0200) >> 9; |
| 321 | | //const UINT8 D = (op & 0x0400) >> 10; |
| 322 | | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 323 | | break; |
| 324 | | } |
| 325 | | case 0x16: |
| 326 | | { |
| 327 | | // F1, x = Y |
| 328 | | //const UINT8 Y = (op & 0x000f); |
| 329 | | //const UINT8 S = (op & 0x0200) >> 9; |
| 330 | | //const UINT8 D = (op & 0x0400) >> 10; |
| 331 | | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 332 | | break; |
| 333 | | } |
| 334 | | case 0x17: |
| 335 | | { |
| 336 | | // F1, y[l] = Y |
| 337 | | //const UINT8 Y = (op & 0x000f); |
| 338 | | //const UINT8 X = (op & 0x0010) >> 4; |
| 339 | | //const UINT8 S = (op & 0x0200) >> 9; |
| 340 | | //const UINT8 D = (op & 0x0400) >> 10; |
| 341 | | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 342 | | break; |
| 343 | | } |
| 344 | | case 0x1f: |
| 345 | | { |
| 346 | | // F1, y = Y, x = *pt++[i] |
| 347 | | //const UINT8 Y = (op & 0x000f); |
| 348 | | //const UINT8 X = (op & 0x0010) >> 4; |
| 349 | | //const UINT8 S = (op & 0x0200) >> 9; |
| 350 | | //const UINT8 D = (op & 0x0400) >> 10; |
| 351 | | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 352 | | break; |
| 353 | | } |
| 354 | | case 0x19: case 0x1b: |
| 355 | | { |
| 356 | | // F1, y = a0|1, x = *pt++[i] |
| 357 | | //const UINT8 Y = (op & 0x000f); |
| 358 | | //const UINT8 X = (op & 0x0010) >> 4; |
| 359 | | //const UINT8 S = (op & 0x0200) >> 9; |
| 360 | | //const UINT8 D = (op & 0x0400) >> 10; |
| 361 | | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 362 | | break; |
| 363 | | } |
| 364 | | case 0x14: |
| 365 | | { |
| 366 | | // F1, Y = y[1] |
| 367 | | //const UINT8 Y = (op & 0x000f); |
| 368 | | //const UINT8 X = (op & 0x0010) >> 4; |
| 369 | | //const UINT8 S = (op & 0x0200) >> 9; |
| 370 | | //const UINT8 D = (op & 0x0400) >> 10; |
| 371 | | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 372 | | break; |
| 373 | | } |
| 374 | | |
| 375 | | // Format 1a: Multiply/ALU Read/Write Group (major typo in docs on p3-51) |
| 376 | | case 0x07: |
| 377 | | { |
| 378 | | // F1, At[1] = Y |
| 379 | | //const UINT8 Y = (op & 0x000f); |
| 380 | | //const UINT8 S = (op & 0x0200) >> 9; |
| 381 | | //const UINT8 aT = (op & 0x0400) >> 10; |
| 382 | | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 383 | | break; |
| 384 | | } |
| 385 | | |
| 386 | | // Format 2: Multiply/ALU Read/Write Group |
| 387 | | case 0x15: |
| 388 | | { |
| 389 | | // F1, Z : y[1] |
| 390 | | //const UINT8 Z = (op & 0x000f); |
| 391 | | //const UINT8 X = (op & 0x0010) >> 4; |
| 392 | | //const UINT8 S = (op & 0x0200) >> 9; |
| 393 | | //const UINT8 D = (op & 0x0400) >> 10; |
| 394 | | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 395 | | break; |
| 396 | | } |
| 397 | | case 0x1d: |
| 398 | | { |
| 399 | | // F1, Z : y, x=*pt++[i] |
| 400 | | //const UINT8 Z = (op & 0x000f); |
| 401 | | //const UINT8 X = (op & 0x0010) >> 4; |
| 402 | | //const UINT8 S = (op & 0x0200) >> 9; |
| 403 | | //const UINT8 D = (op & 0x0400) >> 10; |
| 404 | | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 405 | | break; |
| 406 | | } |
| 407 | | |
| 408 | | // Format 2a: Multiply/ALU Read/Write Group |
| 409 | | case 0x05: |
| 410 | | { |
| 411 | | // F1, Z : aT[1] |
| 412 | | //const UINT8 Z = (op & 0x000f); |
| 413 | | //const UINT8 X = (op & 0x0010) >> 4; |
| 414 | | //const UINT8 S = (op & 0x0200) >> 9; |
| 415 | | //const UINT8 aT = (op & 0x0400) >> 10; |
| 416 | | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 417 | | break; |
| 418 | | } |
| 419 | | |
| 420 | | // Format 3: Special Functions |
| 421 | | case 0x12: |
| 422 | | case 0x13: |
| 423 | | { |
| 424 | | // if|ifc CON F2 |
| 425 | | //const UINT8 CON = (op & 0x001f); |
| 426 | | //const UINT8 S = (op & 0x0200) >> 9; |
| 427 | | //const UINT8 D = (op & 0x0400) >> 10; |
| 428 | | //const UINT8 F2 = (op & 0x01e0) >> 5; |
| 429 | | break; |
| 430 | | } |
| 431 | | |
| 432 | | // Format 4: Branch Direct Group |
| 433 | | case 0x00: case 0x01: |
| 434 | | { |
| 435 | | // goto JA |
| 436 | | const UINT16 JA = (op & 0x0fff) | (m_pc & 0xf000); |
| 437 | | m_pc = JA; |
| 438 | | pcAdvance = 0; |
| 439 | | break; |
| 440 | | } |
| 441 | | |
| 442 | | case 0x10: case 0x11: |
| 443 | | { |
| 444 | | // call JA |
| 445 | | //const UINT16 JA = (op & 0x0fff) | (m_pc & 0xf000); |
| 446 | | break; |
| 447 | | } |
| 448 | | |
| 449 | | // Format 5: Branch Indirect Group |
| 450 | | case 0x18: |
| 451 | | { |
| 452 | | // goto B |
| 453 | | //const UINT8 B = (op & 0x0700) >> 8; |
| 454 | | break; |
| 455 | | } |
| 456 | | |
| 457 | | // Format 6: Contitional Branch Qualifier/Software Interrupt (icall) |
| 458 | | case 0x1a: |
| 459 | | { |
| 460 | | // if CON [goto/call/return] |
| 461 | | //const UINT8 CON = (op & 0x001f); |
| 462 | | break; |
| 463 | | } |
| 464 | | |
| 465 | | // Format 7: Data Move Group |
| 466 | | case 0x09: case 0x0b: |
| 467 | | { |
| 468 | | // R = aS |
| 469 | | //const UINT8 R = (op & 0x03f0) >> 4; |
| 470 | | //const UINT8 S = (op & 0x1000) >> 12; |
| 471 | | break; |
| 472 | | } |
| 473 | | case 0x08: |
| 474 | | { |
| 475 | | // aT = R |
| 476 | | //const UINT8 R = (op & 0x03f0) >> 4; |
| 477 | | //const UINT8 aT = (op & 0x0400) >> 10; |
| 478 | | break; |
| 479 | | } |
| 480 | | case 0x0f: |
| 481 | | { |
| 482 | | // R = Y |
| 483 | | //const UINT8 Y = (op & 0x000f); |
| 484 | | //const UINT8 R = (op & 0x03f0) >> 4; |
| 485 | | break; |
| 486 | | } |
| 487 | | case 0x0c: |
| 488 | | { |
| 489 | | // Y = R |
| 490 | | //const UINT8 Y = (op & 0x000f); |
| 491 | | //const UINT8 R = (op & 0x03f0) >> 4; |
| 492 | | break; |
| 493 | | } |
| 494 | | case 0x0d: |
| 495 | | { |
| 496 | | // Z : R |
| 497 | | //const UINT8 Z = (op & 0x000f); |
| 498 | | //const UINT8 R = (op & 0x03f0) >> 4; |
| 499 | | break; |
| 500 | | } |
| 501 | | |
| 502 | | // Format 8: Data Move (immediate operand - 2 words) |
| 503 | | case 0x0a: |
| 504 | | { |
| 505 | | // R = N |
| 506 | | //const UINT8 R = (op & 0x03f0) >> 4; |
| 507 | | pcAdvance++; |
| 508 | | break; |
| 509 | | } |
| 510 | | |
| 511 | | // Format 9: Short Immediate Group |
| 512 | | case 0x02: case 0x03: |
| 513 | | { |
| 514 | | // R = M |
| 515 | | //const UINT8 M = (op & 0x00ff); |
| 516 | | //const UINT8 R = (op & 0x0e00) >> 9; |
| 517 | | break; |
| 518 | | } |
| 519 | | |
| 520 | | // Format 10: do - redo |
| 521 | | case 0x0e: |
| 522 | | { |
| 523 | | // do|redo K |
| 524 | | //const UINT8 K = (op & 0x007f); |
| 525 | | //const UINT8 NI = (op & 0x0780) >> 7; |
| 526 | | break; |
| 527 | | } |
| 528 | | |
| 529 | | // RESERVED |
| 530 | | case 0x1e: |
| 531 | | { |
| 532 | | break; |
| 533 | | } |
| 534 | | |
| 535 | | // UNKNOWN |
| 536 | | default: |
| 537 | | { |
| 538 | | break; |
| 539 | | } |
| 540 | | } |
| 541 | | } |
| 304 | #include "dsp16ops.c" |
trunk/src/emu/cpu/dsp16/dsp16ops.c
| r0 | r20067 | |
| 1 | #include "dsp16.h" |
| 2 | |
| 3 | |
| 4 | // The YL register is the lower half of the 32 bit Y register |
| 5 | void* dsp16_device::addressYL() |
| 6 | { |
| 7 | return (((UINT8*)&m_y)+0x4); |
| 8 | } |
| 9 | |
| 10 | void* dsp16_device::registerFromRTable(const UINT8 &R) |
| 11 | { |
| 12 | switch (R) |
| 13 | { |
| 14 | case 0x00: return (void*)&m_r0; |
| 15 | case 0x01: return (void*)&m_r1; |
| 16 | case 0x02: return (void*)&m_r2; |
| 17 | case 0x03: return (void*)&m_r3; |
| 18 | case 0x04: return (void*)&m_j; |
| 19 | case 0x05: return (void*)&m_k; |
| 20 | case 0x06: return (void*)&m_rb; |
| 21 | case 0x07: return (void*)&m_re; |
| 22 | case 0x08: return (void*)&m_pt; |
| 23 | case 0x09: return (void*)&m_pr; |
| 24 | case 0x0a: return (void*)&m_pi; |
| 25 | case 0x0b: return (void*)&m_i; |
| 26 | |
| 27 | case 0x10: return (void*)&m_x; |
| 28 | case 0x11: return (void*)&m_y; |
| 29 | case 0x12: return (void*)addressYL(); |
| 30 | case 0x13: return (void*)&m_auc; |
| 31 | case 0x14: return (void*)&m_psw; |
| 32 | case 0x15: return (void*)&m_c0; |
| 33 | case 0x16: return (void*)&m_c1; |
| 34 | case 0x17: return (void*)&m_c2; |
| 35 | case 0x18: return (void*)&m_sioc; |
| 36 | //case 0x19: return (void*)&m_srta; |
| 37 | //case 0x1a: return (void*)&m_sdx; |
| 38 | //case 0x1b: return (void*)&m_tdms; |
| 39 | case 0x1c: return (void*)&m_pioc; |
| 40 | //case 0x1d: return (void*)&m_pdx0; |
| 41 | //case 0x1e: return (void*)&m_pdx1; |
| 42 | |
| 43 | default: return NULL; |
| 44 | } |
| 45 | return NULL; |
| 46 | } |
| 47 | |
| 48 | |
| 49 | void dsp16_device::execute_one(const UINT16& op, UINT8& cycles, UINT8& pcAdvance) |
| 50 | { |
| 51 | cycles = 1; |
| 52 | pcAdvance = 1; |
| 53 | |
| 54 | const UINT8 opcode = (op >> 11) & 0x1f; |
| 55 | switch(opcode) |
| 56 | { |
| 57 | // Format 1: Multiply/ALU Read/Write Group |
| 58 | case 0x06: |
| 59 | { |
| 60 | // F1, Y |
| 61 | //const UINT8 Y = (op & 0x000f); |
| 62 | //const UINT8 S = (op & 0x0200) >> 9; |
| 63 | //const UINT8 D = (op & 0x0400) >> 10; |
| 64 | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 65 | break; |
| 66 | } |
| 67 | case 0x04: case 0x1c: |
| 68 | { |
| 69 | // F1 Y=a0[1] | F1 Y=a1[1] |
| 70 | //const UINT8 Y = (op & 0x000f); |
| 71 | //const UINT8 S = (op & 0x0200) >> 9; |
| 72 | //const UINT8 D = (op & 0x0400) >> 10; |
| 73 | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 74 | break; |
| 75 | } |
| 76 | case 0x16: |
| 77 | { |
| 78 | // F1, x = Y |
| 79 | //const UINT8 Y = (op & 0x000f); |
| 80 | //const UINT8 S = (op & 0x0200) >> 9; |
| 81 | //const UINT8 D = (op & 0x0400) >> 10; |
| 82 | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 83 | break; |
| 84 | } |
| 85 | case 0x17: |
| 86 | { |
| 87 | // F1, y[l] = Y |
| 88 | //const UINT8 Y = (op & 0x000f); |
| 89 | //const UINT8 X = (op & 0x0010) >> 4; |
| 90 | //const UINT8 S = (op & 0x0200) >> 9; |
| 91 | //const UINT8 D = (op & 0x0400) >> 10; |
| 92 | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 93 | break; |
| 94 | } |
| 95 | case 0x1f: |
| 96 | { |
| 97 | // F1, y = Y, x = *pt++[i] |
| 98 | //const UINT8 Y = (op & 0x000f); |
| 99 | //const UINT8 X = (op & 0x0010) >> 4; |
| 100 | //const UINT8 S = (op & 0x0200) >> 9; |
| 101 | //const UINT8 D = (op & 0x0400) >> 10; |
| 102 | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 103 | break; |
| 104 | } |
| 105 | case 0x19: case 0x1b: |
| 106 | { |
| 107 | // F1, y = a0|1, x = *pt++[i] |
| 108 | //const UINT8 Y = (op & 0x000f); |
| 109 | //const UINT8 X = (op & 0x0010) >> 4; |
| 110 | //const UINT8 S = (op & 0x0200) >> 9; |
| 111 | //const UINT8 D = (op & 0x0400) >> 10; |
| 112 | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 113 | break; |
| 114 | } |
| 115 | case 0x14: |
| 116 | { |
| 117 | // F1, Y = y[1] |
| 118 | //const UINT8 Y = (op & 0x000f); |
| 119 | //const UINT8 X = (op & 0x0010) >> 4; |
| 120 | //const UINT8 S = (op & 0x0200) >> 9; |
| 121 | //const UINT8 D = (op & 0x0400) >> 10; |
| 122 | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 123 | break; |
| 124 | } |
| 125 | |
| 126 | // Format 1a: Multiply/ALU Read/Write Group (major typo in docs on p3-51) |
| 127 | case 0x07: |
| 128 | { |
| 129 | // F1, At[1] = Y |
| 130 | //const UINT8 Y = (op & 0x000f); |
| 131 | //const UINT8 S = (op & 0x0200) >> 9; |
| 132 | //const UINT8 aT = (op & 0x0400) >> 10; |
| 133 | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 134 | break; |
| 135 | } |
| 136 | |
| 137 | // Format 2: Multiply/ALU Read/Write Group |
| 138 | case 0x15: |
| 139 | { |
| 140 | // F1, Z : y[1] |
| 141 | //const UINT8 Z = (op & 0x000f); |
| 142 | //const UINT8 X = (op & 0x0010) >> 4; |
| 143 | //const UINT8 S = (op & 0x0200) >> 9; |
| 144 | //const UINT8 D = (op & 0x0400) >> 10; |
| 145 | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 146 | break; |
| 147 | } |
| 148 | case 0x1d: |
| 149 | { |
| 150 | // F1, Z : y, x=*pt++[i] |
| 151 | //const UINT8 Z = (op & 0x000f); |
| 152 | //const UINT8 X = (op & 0x0010) >> 4; |
| 153 | //const UINT8 S = (op & 0x0200) >> 9; |
| 154 | //const UINT8 D = (op & 0x0400) >> 10; |
| 155 | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 156 | break; |
| 157 | } |
| 158 | |
| 159 | // Format 2a: Multiply/ALU Read/Write Group |
| 160 | case 0x05: |
| 161 | { |
| 162 | // F1, Z : aT[1] |
| 163 | //const UINT8 Z = (op & 0x000f); |
| 164 | //const UINT8 X = (op & 0x0010) >> 4; |
| 165 | //const UINT8 S = (op & 0x0200) >> 9; |
| 166 | //const UINT8 aT = (op & 0x0400) >> 10; |
| 167 | //const UINT8 F1 = (op & 0x01e0) >> 5; |
| 168 | break; |
| 169 | } |
| 170 | |
| 171 | // Format 3: Special Functions |
| 172 | case 0x12: |
| 173 | case 0x13: |
| 174 | { |
| 175 | // if|ifc CON F2 |
| 176 | //const UINT8 CON = (op & 0x001f); |
| 177 | //const UINT8 S = (op & 0x0200) >> 9; |
| 178 | //const UINT8 D = (op & 0x0400) >> 10; |
| 179 | //const UINT8 F2 = (op & 0x01e0) >> 5; |
| 180 | break; |
| 181 | } |
| 182 | |
| 183 | // Format 4: Branch Direct Group |
| 184 | case 0x00: case 0x01: |
| 185 | { |
| 186 | // goto JA |
| 187 | const UINT16 JA = (op & 0x0fff) | (m_pc & 0xf000); |
| 188 | m_pc = JA; |
| 189 | cycles = 2; |
| 190 | pcAdvance = 0; |
| 191 | break; |
| 192 | } |
| 193 | |
| 194 | case 0x10: case 0x11: |
| 195 | { |
| 196 | // call JA |
| 197 | //const UINT16 JA = (op & 0x0fff) | (m_pc & 0xf000); |
| 198 | break; |
| 199 | } |
| 200 | |
| 201 | // Format 5: Branch Indirect Group |
| 202 | case 0x18: |
| 203 | { |
| 204 | // goto B |
| 205 | //const UINT8 B = (op & 0x0700) >> 8; |
| 206 | break; |
| 207 | } |
| 208 | |
| 209 | // Format 6: Contitional Branch Qualifier/Software Interrupt (icall) |
| 210 | case 0x1a: |
| 211 | { |
| 212 | // if CON [goto/call/return] |
| 213 | //const UINT8 CON = (op & 0x001f); |
| 214 | break; |
| 215 | } |
| 216 | |
| 217 | // Format 7: Data Move Group |
| 218 | case 0x09: case 0x0b: |
| 219 | { |
| 220 | // R = aS |
| 221 | //const UINT8 R = (op & 0x03f0) >> 4; |
| 222 | //const UINT8 S = (op & 0x1000) >> 12; |
| 223 | break; |
| 224 | } |
| 225 | case 0x08: |
| 226 | { |
| 227 | // aT = R |
| 228 | //const UINT8 R = (op & 0x03f0) >> 4; |
| 229 | //const UINT8 aT = (op & 0x0400) >> 10; |
| 230 | break; |
| 231 | } |
| 232 | case 0x0f: |
| 233 | { |
| 234 | // R = Y |
| 235 | //const UINT8 Y = (op & 0x000f); |
| 236 | //const UINT8 R = (op & 0x03f0) >> 4; |
| 237 | break; |
| 238 | } |
| 239 | case 0x0c: |
| 240 | { |
| 241 | // Y = R |
| 242 | //const UINT8 Y = (op & 0x000f); |
| 243 | //const UINT8 R = (op & 0x03f0) >> 4; |
| 244 | break; |
| 245 | } |
| 246 | case 0x0d: |
| 247 | { |
| 248 | // Z : R |
| 249 | //const UINT8 Z = (op & 0x000f); |
| 250 | //const UINT8 R = (op & 0x03f0) >> 4; |
| 251 | break; |
| 252 | } |
| 253 | |
| 254 | // Format 8: Data Move (immediate operand - 2 words) |
| 255 | case 0x0a: |
| 256 | { |
| 257 | // R = N |
| 258 | const UINT8 R = (op & 0x03f0) >> 4; |
| 259 | const UINT16 iVal = opcode_read(1); |
| 260 | void* reg = registerFromRTable(R); |
| 261 | if (reg == &m_auc || reg == &m_c0 || reg == &m_c1 || reg == &m_c2) |
| 262 | { |
| 263 | *(UINT8*)reg = iVal & 0x00ff; // 8 bit registers |
| 264 | } |
| 265 | else if (reg == &m_i) |
| 266 | { |
| 267 | *(UINT16*)reg = iVal & 0x0fff; // 12 bit register |
| 268 | } |
| 269 | else if (reg == &m_y || reg == addressYL()) |
| 270 | { |
| 271 | *(UINT16*)reg = iVal; // Temporary |
| 272 | //writeYxRegister(iVal); // TODO |
| 273 | } |
| 274 | else |
| 275 | { |
| 276 | *(UINT16*)reg = iVal; // The rest |
| 277 | } |
| 278 | |
| 279 | cycles = 2; |
| 280 | pcAdvance = 2; |
| 281 | break; |
| 282 | } |
| 283 | |
| 284 | // Format 9: Short Immediate Group |
| 285 | case 0x02: case 0x03: |
| 286 | { |
| 287 | // R = M |
| 288 | //const UINT8 M = (op & 0x00ff); |
| 289 | //const UINT8 R = (op & 0x0e00) >> 9; |
| 290 | break; |
| 291 | } |
| 292 | |
| 293 | // Format 10: do - redo |
| 294 | case 0x0e: |
| 295 | { |
| 296 | // do|redo K |
| 297 | //const UINT8 K = (op & 0x007f); |
| 298 | //const UINT8 NI = (op & 0x0780) >> 7; |
| 299 | break; |
| 300 | } |
| 301 | |
| 302 | // RESERVED |
| 303 | case 0x1e: |
| 304 | { |
| 305 | break; |
| 306 | } |
| 307 | |
| 308 | // UNKNOWN |
| 309 | default: |
| 310 | { |
| 311 | break; |
| 312 | } |
| 313 | } |
| 314 | } |