trunk/src/emu/bus/vic20/fe3.c
| r32616 | r32617 | |
| 27 | 27 | // MACROS/CONSTANTS |
| 28 | 28 | //************************************************************************** |
| 29 | 29 | |
| 30 | | #define AM29F040_TAG "am29f040" |
| 30 | #define AM29F040_TAG "ic1" |
| 31 | #define ATMEGA1284_TAG "ic5" |
| 32 | #define ATF1504AS_TAG "ic4" |
| 31 | 33 | |
| 32 | 34 | #define REG1_BANK \ |
| 33 | 35 | ((m_reg1 & 0x7f) << 15) |
| 34 | 36 | |
| 35 | | #define REG2_BLK0_VISIBLE \ |
| 36 | | (!(m_reg2 & REG2_BLK0)) |
| 37 | #define LORAM_HIDDEN \ |
| 38 | (m_reg2 & REG2_BLK0) |
| 37 | 39 | |
| 38 | | #define REG2_BLK1_VISIBLE \ |
| 39 | | (!(m_reg2 & REG2_BLK1)) |
| 40 | #define BLK1_HIDDEN \ |
| 41 | (m_reg2 & REG2_BLK1) |
| 40 | 42 | |
| 41 | | #define REG2_BLK2_VISIBLE \ |
| 42 | | (!(m_reg2 & REG2_BLK2)) |
| 43 | #define BLK2_HIDDEN \ |
| 44 | (m_reg2 & REG2_BLK2) |
| 43 | 45 | |
| 44 | | #define REG2_BLK3_VISIBLE \ |
| 45 | | (!(m_reg2 & REG2_BLK3)) |
| 46 | #define BLK3_HIDDEN \ |
| 47 | (m_reg2 & REG2_BLK3) |
| 46 | 48 | |
| 47 | | #define REG2_BLK5_VISIBLE \ |
| 48 | | (!(m_reg2 & REG2_BLK5)) |
| 49 | #define BLK5_HIDDEN \ |
| 50 | (m_reg2 & REG2_BLK5) |
| 49 | 51 | |
| 52 | #define REGISTERS_HIDDEN \ |
| 53 | ((m_lockbit && ((m_reg1 & REG1_MODE_MASK) == REG1_START)) || (m_reg2 & REG2_IO3)) |
| 50 | 54 | |
| 51 | 55 | |
| 56 | |
| 52 | 57 | //************************************************************************** |
| 53 | 58 | // DEVICE DEFINITIONS |
| 54 | 59 | //************************************************************************** |
| r32616 | r32617 | |
| 62 | 67 | |
| 63 | 68 | ROM_START( vic20_fe3 ) |
| 64 | 69 | ROM_REGION( 0x80000, AM29F040_TAG, 0 ) |
| 65 | | ROM_LOAD( "fe3r022d.bin", 0x00000, 0x80000, CRC(f4ff4aee) SHA1(1a389120159dee09c0f03ecb8fcd51ea2a2d2306) ) |
| 70 | ROM_LOAD( "fe3r022d.ic1", 0x00000, 0x80000, CRC(f4ff4aee) SHA1(1a389120159dee09c0f03ecb8fcd51ea2a2d2306) ) |
| 71 | |
| 72 | ROM_REGION( 0x10b6, ATF1504AS_TAG, 0 ) |
| 73 | ROM_LOAD( "vc20final-v3-2.ic4", 0x000, 0x10b6, CRC(975b7197) SHA1(e64d69870b757a409abeb5f19e34866eef37ab18) ) |
| 66 | 74 | ROM_END |
| 67 | 75 | |
| 68 | 76 | |
| r32616 | r32617 | |
| 137 | 145 | { |
| 138 | 146 | m_reg1 = 0; |
| 139 | 147 | m_reg2 = 0; |
| 140 | | m_lockbit = true; |
| 141 | 148 | } |
| 142 | 149 | |
| 143 | 150 | |
| r32616 | r32617 | |
| 155 | 162 | { |
| 156 | 163 | data = m_flash_rom->read(get_address(0, 3, offset)); |
| 157 | 164 | |
| 158 | | m_lockbit = true; |
| 165 | m_lockbit = 1; |
| 159 | 166 | } |
| 160 | 167 | |
| 161 | 168 | // read from registers |
| 162 | | if (!io3 && !m_lockbit && ((offset & 0x1c02) == 0x1c02)) |
| 169 | if (!io3 && !REGISTERS_HIDDEN && BIT(offset, 1)) |
| 163 | 170 | { |
| 164 | 171 | data = read_register(BIT(offset, 0)); |
| 165 | 172 | } |
| r32616 | r32617 | |
| 167 | 174 | |
| 168 | 175 | case REG1_SUPER_ROM: |
| 169 | 176 | // read from RAM bank 0 |
| 170 | | if ((!ram1 || !ram2 || !ram3) && REG2_BLK0_VISIBLE) |
| 177 | if ((!ram1 || !ram2 || !ram3) && !LORAM_HIDDEN) |
| 171 | 178 | { |
| 172 | 179 | data = m_ram[get_address(0, 0, offset)]; |
| 173 | 180 | } |
| 174 | 181 | |
| 175 | 182 | // read from ROM |
| 176 | | if (!blk1 && REG2_BLK1_VISIBLE) |
| 183 | if (!blk1 && !BLK1_HIDDEN) |
| 177 | 184 | { |
| 178 | 185 | data = m_flash_rom->read(get_address(REG1_BANK, 0, offset)); |
| 179 | 186 | } |
| 180 | | if (!blk2 && REG2_BLK2_VISIBLE) |
| 187 | if (!blk2 && !BLK2_HIDDEN) |
| 181 | 188 | { |
| 182 | 189 | data = m_flash_rom->read(get_address(REG1_BANK, 1, offset)); |
| 183 | 190 | } |
| 184 | | if (!blk3 && REG2_BLK3_VISIBLE) |
| 191 | if (!blk3 && !BLK3_HIDDEN) |
| 185 | 192 | { |
| 186 | 193 | data = m_flash_rom->read(get_address(REG1_BANK, 2, offset)); |
| 187 | 194 | } |
| 188 | | if (!blk5 && REG2_BLK5_VISIBLE) |
| 195 | if (!blk5 && !BLK5_HIDDEN) |
| 189 | 196 | { |
| 190 | 197 | data = m_flash_rom->read(get_address(REG1_BANK, 3, offset)); |
| 191 | 198 | } |
| 192 | 199 | |
| 193 | 200 | // read from registers |
| 194 | | if (!io3 && !(m_reg2 & REG2_IO3) && ((offset & 0x1c02) == 0x1c02)) |
| 201 | if (!io3 && !REGISTERS_HIDDEN && BIT(offset, 1)) |
| 195 | 202 | { |
| 196 | 203 | data = read_register(BIT(offset, 0)); |
| 197 | 204 | } |
| r32616 | r32617 | |
| 199 | 206 | |
| 200 | 207 | case REG1_RAM_1: |
| 201 | 208 | // read from RAM bank 0 |
| 202 | | if ((!ram1 || !ram2 || !ram3) && REG2_BLK0_VISIBLE) |
| 209 | if ((!ram1 || !ram2 || !ram3) && !LORAM_HIDDEN) |
| 203 | 210 | { |
| 204 | 211 | data = m_ram[get_address(0, 0, offset)]; |
| 205 | 212 | } |
| 206 | 213 | |
| 207 | 214 | // read from RAM bank 1 |
| 208 | | if (!blk1 && REG2_BLK1_VISIBLE) |
| 215 | if (!blk1 && !BLK1_HIDDEN) |
| 209 | 216 | { |
| 210 | 217 | data = m_ram[get_address(1, 0, offset)]; |
| 211 | 218 | } |
| 212 | | if (!blk2 && REG2_BLK2_VISIBLE) |
| 219 | if (!blk2 && !BLK2_HIDDEN) |
| 213 | 220 | { |
| 214 | 221 | data = m_ram[get_address(1, 1, offset)]; |
| 215 | 222 | } |
| 216 | | if (!blk3 && REG2_BLK3_VISIBLE) |
| 223 | if (!blk3 && !BLK3_HIDDEN) |
| 217 | 224 | { |
| 218 | 225 | data = m_ram[get_address(1, 2, offset)]; |
| 219 | 226 | } |
| 220 | | if (!blk5 && REG2_BLK5_VISIBLE) |
| 227 | if (!blk5 && !BLK5_HIDDEN) |
| 221 | 228 | { |
| 222 | 229 | data = m_ram[get_address(1, 3, offset)]; |
| 223 | 230 | } |
| 224 | 231 | |
| 225 | 232 | // read from registers |
| 226 | | if (!io3 && !(m_reg2 & REG2_IO3) && ((offset & 0x1c02) == 0x1c02)) |
| 233 | if (!io3 && !REGISTERS_HIDDEN && BIT(offset, 1)) |
| 227 | 234 | { |
| 228 | 235 | data = read_register(BIT(offset, 0)); |
| 229 | 236 | } |
| r32616 | r32617 | |
| 231 | 238 | |
| 232 | 239 | case REG1_RAM_2: |
| 233 | 240 | // read from RAM bank 0 |
| 234 | | if ((!ram1 || !ram2 || !ram3) && REG2_BLK0_VISIBLE) |
| 241 | if ((!ram1 || !ram2 || !ram3) && !LORAM_HIDDEN) |
| 235 | 242 | { |
| 236 | 243 | data = m_ram[get_address(0, 0, offset)]; |
| 237 | 244 | } |
| 238 | 245 | |
| 239 | 246 | // read from RAM bank 1 or 2 |
| 240 | | if (!blk1 && REG2_BLK1_VISIBLE) |
| 247 | if (!blk1 && !BLK1_HIDDEN) |
| 241 | 248 | { |
| 242 | 249 | data = m_ram[get_address((m_reg1 & REG1_BLK1) ? 2 : 1, 0, offset)]; |
| 243 | 250 | } |
| 244 | | if (!blk2 && REG2_BLK2_VISIBLE) |
| 251 | if (!blk2 && !BLK2_HIDDEN) |
| 245 | 252 | { |
| 246 | 253 | data = m_ram[get_address((m_reg1 & REG1_BLK2) ? 2 : 1, 1, offset)]; |
| 247 | 254 | } |
| 248 | | if (!blk3 && REG2_BLK3_VISIBLE) |
| 255 | if (!blk3 && !BLK3_HIDDEN) |
| 249 | 256 | { |
| 250 | 257 | data = m_ram[get_address((m_reg1 & REG1_BLK3) ? 2 : 1, 2, offset)]; |
| 251 | 258 | } |
| 252 | | if (!blk5 && REG2_BLK5_VISIBLE) |
| 259 | if (!blk5 && !BLK5_HIDDEN) |
| 253 | 260 | { |
| 254 | 261 | data = m_ram[get_address((m_reg1 & REG1_BLK5) ? 2 : 1, 3, offset)]; |
| 255 | 262 | } |
| 256 | 263 | |
| 257 | 264 | // read from registers |
| 258 | | if (!io3 && !(m_reg2 & REG2_IO3) && ((offset & 0x1c02) == 0x1c02)) |
| 265 | if (!io3 && !REGISTERS_HIDDEN && BIT(offset, 1)) |
| 259 | 266 | { |
| 260 | 267 | data = read_register(BIT(offset, 0)); |
| 261 | 268 | } |
| r32616 | r32617 | |
| 263 | 270 | |
| 264 | 271 | case REG1_SUPER_RAM: |
| 265 | 272 | // read from RAM bank 0 |
| 266 | | if ((!ram1 || !ram2 || !ram3) && REG2_BLK0_VISIBLE) |
| 273 | if ((!ram1 || !ram2 || !ram3) && !LORAM_HIDDEN) |
| 267 | 274 | { |
| 268 | 275 | data = m_ram[get_address(0, 0, offset)]; |
| 269 | 276 | } |
| 270 | 277 | |
| 271 | 278 | // read from any RAM bank |
| 272 | | if (!blk1 && REG2_BLK1_VISIBLE) |
| 279 | if (!blk1 && !BLK1_HIDDEN) |
| 273 | 280 | { |
| 274 | 281 | data = m_ram[get_address(REG1_BANK, 0, offset)]; |
| 275 | 282 | } |
| 276 | | if (!blk2 && REG2_BLK2_VISIBLE) |
| 283 | if (!blk2 && !BLK2_HIDDEN) |
| 277 | 284 | { |
| 278 | 285 | data = m_ram[get_address(REG1_BANK, 1, offset)]; |
| 279 | 286 | } |
| 280 | | if (!blk3 && REG2_BLK3_VISIBLE) |
| 287 | if (!blk3 && !BLK3_HIDDEN) |
| 281 | 288 | { |
| 282 | 289 | data = m_ram[get_address(REG1_BANK, 2, offset)]; |
| 283 | 290 | } |
| 284 | | if (!blk5 && REG2_BLK5_VISIBLE) |
| 291 | if (!blk5 && !BLK5_HIDDEN) |
| 285 | 292 | { |
| 286 | 293 | data = m_ram[get_address(REG1_BANK, 3, offset)]; |
| 287 | 294 | } |
| 288 | 295 | |
| 289 | 296 | // read from registers |
| 290 | | if (!io3 && !(m_reg2 & REG2_IO3) && ((offset & 0x1c02) == 0x1c02)) |
| 297 | if (!io3 && !REGISTERS_HIDDEN && BIT(offset, 1)) |
| 291 | 298 | { |
| 292 | 299 | data = read_register(BIT(offset, 0)); |
| 293 | 300 | } |
| r32616 | r32617 | |
| 295 | 302 | |
| 296 | 303 | case REG1_RAM_ROM: |
| 297 | 304 | // read from RAM bank 0 |
| 298 | | if ((!ram1 || !ram2 || !ram3) && REG2_BLK0_VISIBLE) |
| 305 | if ((!ram1 || !ram2 || !ram3) && !LORAM_HIDDEN) |
| 299 | 306 | { |
| 300 | 307 | data = m_ram[get_address(0, 0, offset)]; |
| 301 | 308 | } |
| 302 | 309 | |
| 303 | 310 | // read from ROM bank 0 or RAM bank 1 |
| 304 | | if (!blk1 && REG2_BLK1_VISIBLE) |
| 311 | if (!blk1 && !BLK1_HIDDEN) |
| 305 | 312 | { |
| 306 | 313 | data = (m_reg1 & REG1_BLK1) ? m_flash_rom->read(get_address(0, 0, offset)) : m_ram[get_address(1, 0, offset)]; |
| 307 | 314 | } |
| 308 | | if (!blk2 && REG2_BLK2_VISIBLE) |
| 315 | if (!blk2 && !BLK2_HIDDEN) |
| 309 | 316 | { |
| 310 | 317 | data = (m_reg1 & REG1_BLK2) ? m_flash_rom->read(get_address(0, 1, offset)) : m_ram[get_address(1, 1, offset)]; |
| 311 | 318 | } |
| 312 | | if (!blk3 && REG2_BLK3_VISIBLE) |
| 319 | if (!blk3 && !BLK3_HIDDEN) |
| 313 | 320 | { |
| 314 | 321 | data = (m_reg1 & REG1_BLK3) ? m_flash_rom->read(get_address(0, 2, offset)) : m_ram[get_address(1, 2, offset)]; |
| 315 | 322 | } |
| 316 | | if (!blk5 && REG2_BLK5_VISIBLE) |
| 323 | if (!blk5 && !BLK5_HIDDEN) |
| 317 | 324 | { |
| 318 | 325 | data = (m_reg1 & REG1_BLK5) ? m_flash_rom->read(get_address(0, 3, offset)) : m_ram[get_address(1, 3, offset)]; |
| 319 | 326 | } |
| 320 | 327 | |
| 321 | 328 | // read from registers |
| 322 | | if (!io3 && !(m_reg2 & REG2_IO3) && ((offset & 0x1c02) == 0x1c02)) |
| 329 | if (!io3 && !REGISTERS_HIDDEN && BIT(offset, 1)) |
| 323 | 330 | { |
| 324 | 331 | data = read_register(BIT(offset, 0)); |
| 325 | 332 | } |
| r32616 | r32617 | |
| 327 | 334 | |
| 328 | 335 | case REG1_FLASH: |
| 329 | 336 | // read from RAM bank 0 |
| 330 | | if ((!ram1 || !ram2 || !ram3) && REG2_BLK0_VISIBLE) |
| 337 | if ((!ram1 || !ram2 || !ram3) && !LORAM_HIDDEN) |
| 331 | 338 | { |
| 332 | 339 | data = m_ram[get_address(0, 0, offset)]; |
| 333 | 340 | } |
| 334 | 341 | |
| 335 | 342 | // read from ROM |
| 336 | | if (!blk1 && REG2_BLK1_VISIBLE) |
| 343 | if (!blk1 && !BLK1_HIDDEN) |
| 337 | 344 | { |
| 338 | 345 | data = m_flash_rom->read(get_address(REG1_BANK, 0, offset)); |
| 339 | 346 | } |
| 340 | | if (!blk2 && REG2_BLK2_VISIBLE) |
| 347 | if (!blk2 && !BLK2_HIDDEN) |
| 341 | 348 | { |
| 342 | 349 | data = m_flash_rom->read(get_address(REG1_BANK, 1, offset)); |
| 343 | 350 | } |
| 344 | | if (!blk3 && REG2_BLK3_VISIBLE) |
| 351 | if (!blk3 && !BLK3_HIDDEN) |
| 345 | 352 | { |
| 346 | 353 | data = m_flash_rom->read(get_address(REG1_BANK, 2, offset)); |
| 347 | 354 | } |
| 348 | | if (!blk5 && REG2_BLK5_VISIBLE) |
| 355 | if (!blk5 && !BLK5_HIDDEN) |
| 349 | 356 | { |
| 350 | 357 | data = m_flash_rom->read(get_address(REG1_BANK, 3, offset)); |
| 351 | 358 | } |
| 352 | 359 | |
| 353 | 360 | // read from registers |
| 354 | | if (!io3 && !(m_reg2 & REG2_IO3) && ((offset & 0x1c02) == 0x1c02)) |
| 361 | if (!io3 && !REGISTERS_HIDDEN && BIT(offset, 1)) |
| 355 | 362 | { |
| 356 | 363 | data = read_register(BIT(offset, 0)); |
| 357 | 364 | } |
| r32616 | r32617 | |
| 376 | 383 | { |
| 377 | 384 | m_ram[get_address(1, 3, offset)] = data; |
| 378 | 385 | |
| 379 | | m_lockbit = false; |
| 386 | m_lockbit = 0; |
| 380 | 387 | } |
| 381 | 388 | |
| 382 | 389 | // write to registers |
| 383 | | if (!io3 && !m_lockbit && ((offset & 0x1c02) == 0x1c02)) |
| 390 | if (!io3 && !REGISTERS_HIDDEN && BIT(offset, 1)) |
| 384 | 391 | { |
| 385 | 392 | write_register(BIT(offset, 0), data); |
| 386 | 393 | } |
| r32616 | r32617 | |
| 388 | 395 | |
| 389 | 396 | case REG1_SUPER_ROM: |
| 390 | 397 | // write to RAM bank 0 |
| 391 | | if ((!ram1 || !ram2 || !ram3) && REG2_BLK0_VISIBLE) |
| 398 | if ((!ram1 || !ram2 || !ram3) && !LORAM_HIDDEN) |
| 392 | 399 | { |
| 393 | 400 | m_ram[get_address(0, 0, offset)] = data; |
| 394 | 401 | } |
| 395 | 402 | |
| 396 | 403 | // write to RAM bank 1 |
| 397 | | if (!blk1 && REG2_BLK1_VISIBLE) |
| 404 | if (!blk1 && !BLK1_HIDDEN) |
| 398 | 405 | { |
| 399 | 406 | m_ram[get_address(1, 0, offset)] = data; |
| 400 | 407 | } |
| 401 | | if (!blk2 && REG2_BLK2_VISIBLE) |
| 408 | if (!blk2 && !BLK2_HIDDEN) |
| 402 | 409 | { |
| 403 | 410 | m_ram[get_address(1, 1, offset)] = data; |
| 404 | 411 | } |
| 405 | | if (!blk3 && REG2_BLK3_VISIBLE) |
| 412 | if (!blk3 && !BLK3_HIDDEN) |
| 406 | 413 | { |
| 407 | 414 | m_ram[get_address(1, 2, offset)] = data; |
| 408 | 415 | } |
| 409 | | if (!blk5 && REG2_BLK5_VISIBLE) |
| 416 | if (!blk5 && !BLK5_HIDDEN) |
| 410 | 417 | { |
| 411 | 418 | m_ram[get_address(1, 3, offset)] = data; |
| 412 | 419 | } |
| 413 | 420 | |
| 414 | 421 | // write to registers |
| 415 | | if (!io3 && !(m_reg2 & REG2_IO3) && ((offset & 0x1c02) == 0x1c02)) |
| 422 | if (!io3 && !REGISTERS_HIDDEN && BIT(offset, 1)) |
| 416 | 423 | { |
| 417 | 424 | write_register(BIT(offset, 0), data); |
| 418 | 425 | } |
| r32616 | r32617 | |
| 420 | 427 | |
| 421 | 428 | case REG1_RAM_1: |
| 422 | 429 | // write to RAM bank 0 |
| 423 | | if ((!ram1 || !ram2 || !ram3) && REG2_BLK0_VISIBLE && REG1_BLK0) |
| 430 | if ((!ram1 || !ram2 || !ram3) && !LORAM_HIDDEN && REG1_BLK0) |
| 424 | 431 | { |
| 425 | 432 | m_ram[get_address(0, 0, offset)] = data; |
| 426 | 433 | } |
| 427 | 434 | |
| 428 | 435 | // write to RAM bank 1 or 2 |
| 429 | | if (!blk1 && REG2_BLK1_VISIBLE) |
| 436 | if (!blk1 && !BLK1_HIDDEN) |
| 430 | 437 | { |
| 431 | 438 | m_ram[get_address((m_reg1 & REG1_BLK1) ? 2 : 1, 0, offset)] = data; |
| 432 | 439 | } |
| 433 | | if (!blk2 && REG2_BLK2_VISIBLE) |
| 440 | if (!blk2 && !BLK2_HIDDEN) |
| 434 | 441 | { |
| 435 | 442 | m_ram[get_address((m_reg1 & REG1_BLK2) ? 2 : 1, 1, offset)] = data; |
| 436 | 443 | } |
| 437 | | if (!blk3 && REG2_BLK3_VISIBLE) |
| 444 | if (!blk3 && !BLK3_HIDDEN) |
| 438 | 445 | { |
| 439 | 446 | m_ram[get_address((m_reg1 & REG1_BLK3) ? 2 : 1, 2, offset)] = data; |
| 440 | 447 | } |
| 441 | | if (!blk5 && REG2_BLK5_VISIBLE) |
| 448 | if (!blk5 && !BLK5_HIDDEN) |
| 442 | 449 | { |
| 443 | 450 | m_ram[get_address((m_reg1 & REG1_BLK5) ? 2 : 1, 3, offset)] = data; |
| 444 | 451 | } |
| 445 | 452 | |
| 446 | 453 | // write to registers |
| 447 | | if (!io3 && !(m_reg2 & REG2_IO3) && ((offset & 0x1c02) == 0x1c02)) |
| 454 | if (!io3 && !REGISTERS_HIDDEN && BIT(offset, 1)) |
| 448 | 455 | { |
| 449 | 456 | write_register(BIT(offset, 0), data); |
| 450 | 457 | } |
| r32616 | r32617 | |
| 452 | 459 | |
| 453 | 460 | case REG1_RAM_2: |
| 454 | 461 | // write to RAM bank 0 |
| 455 | | if ((!ram1 || !ram2 || !ram3) && REG2_BLK0_VISIBLE && REG1_BLK0) |
| 462 | if ((!ram1 || !ram2 || !ram3) && !LORAM_HIDDEN && REG1_BLK0) |
| 456 | 463 | { |
| 457 | 464 | m_ram[get_address(0, 0, offset)] = data; |
| 458 | 465 | } |
| 459 | 466 | |
| 460 | 467 | // write to RAM bank 1 |
| 461 | | if (!blk1 && REG2_BLK1_VISIBLE) |
| 468 | if (!blk1 && !BLK1_HIDDEN) |
| 462 | 469 | { |
| 463 | 470 | m_ram[get_address(1, 0, offset)] = data; |
| 464 | 471 | } |
| 465 | | if (!blk2 && REG2_BLK2_VISIBLE) |
| 472 | if (!blk2 && !BLK2_HIDDEN) |
| 466 | 473 | { |
| 467 | 474 | m_ram[get_address(1, 1, offset)] = data; |
| 468 | 475 | } |
| 469 | | if (!blk3 && REG2_BLK3_VISIBLE) |
| 476 | if (!blk3 && !BLK3_HIDDEN) |
| 470 | 477 | { |
| 471 | 478 | m_ram[get_address(1, 2, offset)] = data; |
| 472 | 479 | } |
| 473 | | if (!blk5 && REG2_BLK5_VISIBLE) |
| 480 | if (!blk5 && !BLK5_HIDDEN) |
| 474 | 481 | { |
| 475 | 482 | m_ram[get_address(1, 3, offset)] = data; |
| 476 | 483 | } |
| 477 | 484 | |
| 478 | 485 | // write to registers |
| 479 | | if (!io3 && !(m_reg2 & REG2_IO3) && ((offset & 0x1c02) == 0x1c02)) |
| 486 | if (!io3 && !REGISTERS_HIDDEN && BIT(offset, 1)) |
| 480 | 487 | { |
| 481 | 488 | write_register(BIT(offset, 0), data); |
| 482 | 489 | } |
| r32616 | r32617 | |
| 484 | 491 | |
| 485 | 492 | case REG1_SUPER_RAM: |
| 486 | 493 | // write to RAM bank 0 |
| 487 | | if ((!ram1 || !ram2 || !ram3) && REG2_BLK0_VISIBLE) |
| 494 | if ((!ram1 || !ram2 || !ram3) && !LORAM_HIDDEN) |
| 488 | 495 | { |
| 489 | 496 | m_ram[get_address(0, 0, offset)] = data; |
| 490 | 497 | } |
| 491 | 498 | |
| 492 | 499 | // write whole RAM |
| 493 | | if (!blk1 && REG2_BLK1_VISIBLE) |
| 500 | if (!blk1 && !BLK1_HIDDEN) |
| 494 | 501 | { |
| 495 | 502 | m_ram[get_address(REG1_BANK, 0, offset)] = data; |
| 496 | 503 | } |
| 497 | | if (!blk2 && REG2_BLK2_VISIBLE) |
| 504 | if (!blk2 && !BLK2_HIDDEN) |
| 498 | 505 | { |
| 499 | 506 | m_ram[get_address(REG1_BANK, 1, offset)] = data; |
| 500 | 507 | } |
| 501 | | if (!blk3 && REG2_BLK3_VISIBLE) |
| 508 | if (!blk3 && !BLK3_HIDDEN) |
| 502 | 509 | { |
| 503 | 510 | m_ram[get_address(REG1_BANK, 2, offset)] = data; |
| 504 | 511 | } |
| 505 | | if (!blk5 && REG2_BLK5_VISIBLE) |
| 512 | if (!blk5 && !BLK5_HIDDEN) |
| 506 | 513 | { |
| 507 | 514 | m_ram[get_address(REG1_BANK, 3, offset)] = data; |
| 508 | 515 | } |
| 509 | 516 | |
| 510 | 517 | // write to registers |
| 511 | | if (!io3 && !(m_reg2 & REG2_IO3) && ((offset & 0x1c02) == 0x1c02)) |
| 518 | if (!io3 && !REGISTERS_HIDDEN && BIT(offset, 1)) |
| 512 | 519 | { |
| 513 | 520 | write_register(BIT(offset, 0), data); |
| 514 | 521 | } |
| r32616 | r32617 | |
| 516 | 523 | |
| 517 | 524 | case REG1_RAM_ROM: |
| 518 | 525 | // write to RAM bank 0 |
| 519 | | if ((!ram1 || !ram2 || !ram3) && REG2_BLK0_VISIBLE && REG1_BLK0) |
| 526 | if ((!ram1 || !ram2 || !ram3) && !LORAM_HIDDEN && REG1_BLK0) |
| 520 | 527 | { |
| 521 | 528 | m_ram[get_address(0, 0, offset)] = data; |
| 522 | 529 | } |
| 523 | 530 | |
| 524 | 531 | // write to RAM bank 1 or 2 |
| 525 | | if (!blk1 && REG2_BLK1_VISIBLE) |
| 532 | if (!blk1 && !BLK1_HIDDEN) |
| 526 | 533 | { |
| 527 | 534 | m_ram[get_address((m_reg1 & REG1_BLK1) ? 2 : 1, 0, offset)] = data; |
| 528 | 535 | } |
| 529 | | if (!blk2 && REG2_BLK2_VISIBLE) |
| 536 | if (!blk2 && !BLK2_HIDDEN) |
| 530 | 537 | { |
| 531 | 538 | m_ram[get_address((m_reg1 & REG1_BLK2) ? 2 : 1, 1, offset)] = data; |
| 532 | 539 | } |
| 533 | | if (!blk3 && REG2_BLK3_VISIBLE) |
| 540 | if (!blk3 && !BLK3_HIDDEN) |
| 534 | 541 | { |
| 535 | 542 | m_ram[get_address((m_reg1 & REG1_BLK3) ? 2 : 1, 2, offset)] = data; |
| 536 | 543 | } |
| 537 | | if (!blk5 && REG2_BLK5_VISIBLE) |
| 544 | if (!blk5 && !BLK5_HIDDEN) |
| 538 | 545 | { |
| 539 | 546 | m_ram[get_address((m_reg1 & REG1_BLK5) ? 2 : 1, 3, offset)] = data; |
| 540 | 547 | } |
| 541 | 548 | |
| 542 | 549 | // write to registers |
| 543 | | if (!io3 && !(m_reg2 & REG2_IO3) && ((offset & 0x1c02) == 0x1c02)) |
| 550 | if (!io3 && !REGISTERS_HIDDEN && BIT(offset, 1)) |
| 544 | 551 | { |
| 545 | 552 | write_register(BIT(offset, 0), data); |
| 546 | 553 | } |
| r32616 | r32617 | |
| 548 | 555 | |
| 549 | 556 | case REG1_FLASH: |
| 550 | 557 | // write to RAM bank 0 |
| 551 | | if ((!ram1 || !ram2 || !ram3) && REG2_BLK0_VISIBLE) |
| 558 | if ((!ram1 || !ram2 || !ram3) && !LORAM_HIDDEN) |
| 552 | 559 | { |
| 553 | 560 | m_ram[get_address(0, 0, offset)] = data; |
| 554 | 561 | } |
| 555 | 562 | |
| 556 | 563 | // write to ROM |
| 557 | | if (!blk1 && REG2_BLK1_VISIBLE) |
| 564 | if (!blk1 && !BLK1_HIDDEN) |
| 558 | 565 | { |
| 559 | 566 | m_flash_rom->write(get_address(REG1_BANK, 0, offset), data); |
| 560 | 567 | } |
| 561 | | if (!blk2 && REG2_BLK2_VISIBLE) |
| 568 | if (!blk2 && !BLK2_HIDDEN) |
| 562 | 569 | { |
| 563 | 570 | m_flash_rom->write(get_address(REG1_BANK, 1, offset), data); |
| 564 | 571 | } |
| 565 | | if (!blk3 && REG2_BLK3_VISIBLE) |
| 572 | if (!blk3 && !BLK3_HIDDEN) |
| 566 | 573 | { |
| 567 | 574 | m_flash_rom->write(get_address(REG1_BANK, 2, offset), data); |
| 568 | 575 | } |
| 569 | | if (!blk5 && REG2_BLK5_VISIBLE) |
| 576 | if (!blk5 && !BLK5_HIDDEN) |
| 570 | 577 | { |
| 571 | 578 | m_flash_rom->write(get_address(REG1_BANK, 3, offset), data); |
| 572 | 579 | } |
| 573 | 580 | |
| 574 | 581 | // write to registers |
| 575 | | if (!io3 && !(m_reg2 & REG2_IO3) && ((offset & 0x1c02) == 0x1c02)) |
| 582 | if (!io3 && !REGISTERS_HIDDEN && BIT(offset, 1)) |
| 576 | 583 | { |
| 577 | 584 | write_register(BIT(offset, 0), data); |
| 578 | 585 | } |