| 1 | /* FCE Ultra - NES/Famicom Emulator |
| 2 | * |
| 3 | * Copyright notice for this file: |
| 4 | * Copyright (C) 2002 Xodnizel |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #include "mapinc.h" |
| 22 | #include "../ines.h" |
| 23 | |
| 24 | static uint8 latche, latcheinit, bus_conflict; |
| 25 | static uint16 addrreg0, addrreg1; |
| 26 | static uint8 *WRAM=NULL; |
| 27 | static uint32 WRAMSIZE; |
| 28 | static void(*WSync)(void); |
| 29 | |
| 30 | static DECLFW(LatchWrite) |
| 31 | { |
| 32 | // FCEU_printf("bs %04x %02x\n",A,V); |
| 33 | if(bus_conflict) |
| 34 | latche=V&CartBR(A); |
| 35 | else |
| 36 | latche=V; |
| 37 | WSync(); |
| 38 | } |
| 39 | |
| 40 | static void LatchPower(void) |
| 41 | { |
| 42 | latche=latcheinit; |
| 43 | WSync(); |
| 44 | if(WRAM) |
| 45 | { |
| 46 | SetReadHandler(0x6000,0xFFFF,CartBR); |
| 47 | SetWriteHandler(0x6000,0x7FFF,CartBW); |
| 48 | } |
| 49 | else |
| 50 | { |
| 51 | SetReadHandler(0x8000,0xFFFF,CartBR); |
| 52 | } |
| 53 | SetWriteHandler(addrreg0,addrreg1,LatchWrite); |
| 54 | } |
| 55 | |
| 56 | static void LatchClose(void) |
| 57 | { |
| 58 | if(WRAM) |
| 59 | FCEU_gfree(WRAM); |
| 60 | WRAM=NULL; |
| 61 | } |
| 62 | |
| 63 | static void StateRestore(int version) |
| 64 | { |
| 65 | WSync(); |
| 66 | } |
| 67 | |
| 68 | static void Latch_Init(CartInfo *info, void (*proc)(void), uint8 init, uint16 adr0, uint16 adr1, uint8 wram, uint8 busc) |
| 69 | { |
| 70 | bus_conflict = busc; |
| 71 | latcheinit=init; |
| 72 | addrreg0=adr0; |
| 73 | addrreg1=adr1; |
| 74 | WSync=proc; |
| 75 | info->Power=LatchPower; |
| 76 | info->Close=LatchClose; |
| 77 | GameStateRestore=StateRestore; |
| 78 | if(wram) |
| 79 | { |
| 80 | WRAMSIZE=8192; |
| 81 | WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE); |
| 82 | SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1); |
| 83 | if(info->battery) |
| 84 | { |
| 85 | info->SaveGame[0]=WRAM; |
| 86 | info->SaveGameLen[0]=WRAMSIZE; |
| 87 | } |
| 88 | AddExState(WRAM, WRAMSIZE, 0, "WRAM"); |
| 89 | } |
| 90 | AddExState(&latche, 1, 0, "LATC"); |
| 91 | } |
| 92 | |
| 93 | //------------------ CPROM --------------------------- |
| 94 | |
| 95 | static void CPROMSync(void) |
| 96 | { |
| 97 | setchr4(0x0000,0); |
| 98 | setchr4(0x1000,latche&3); |
| 99 | setprg16(0x8000,0); |
| 100 | setprg16(0xC000,1); |
| 101 | } |
| 102 | |
| 103 | void CPROM_Init(CartInfo *info) |
| 104 | { |
| 105 | Latch_Init(info, CPROMSync, 0, 0x8000, 0xFFFF, 0, 0); |
| 106 | } |
| 107 | |
| 108 | //------------------ Map 184 --------------------------- |
| 109 | |
| 110 | static void M184Sync(void) |
| 111 | { |
| 112 | setchr4(0x0000,latche); |
| 113 | setchr4(0x1000,latche>>4); |
| 114 | setprg16(0x8000,0); |
| 115 | setprg16(0xC000,1); |
| 116 | } |
| 117 | |
| 118 | void Mapper184_Init(CartInfo *info) |
| 119 | { |
| 120 | Latch_Init(info, M184Sync, 0, 0x6000, 0x7FFF, 0, 0); |
| 121 | } |
| 122 | |
| 123 | //------------------ CNROM --------------------------- |
| 124 | |
| 125 | static void CNROMSync(void) |
| 126 | { |
| 127 | //mbg 8/10/08 - fixed this so that large homebrew roms would work. |
| 128 | //setchr8(latche&3); |
| 129 | setchr8(latche); |
| 130 | setprg16(0x8000,0); |
| 131 | setprg16(0xC000,1); |
| 132 | setprg8r(0x10,0x6000,0); // Hayauchy IGO uses 2Kb or RAM |
| 133 | } |
| 134 | |
| 135 | void CNROM_Init(CartInfo *info) |
| 136 | { |
| 137 | bool busc = MasterRomInfoParams.ContainsKey("busc"); |
| 138 | Latch_Init(info, CNROMSync, 0, 0x8000, 0xFFFF, 1, busc?1:0); |
| 139 | } |
| 140 | |
| 141 | //------------------ ANROM --------------------------- |
| 142 | |
| 143 | static void ANROMSync() |
| 144 | { |
| 145 | setprg32(0x8000,latche&0xf); |
| 146 | setmirror(MI_0+((latche>>4)&1)); |
| 147 | setchr8(0); |
| 148 | } |
| 149 | |
| 150 | void ANROM_Init(CartInfo *info) |
| 151 | { |
| 152 | Latch_Init(info, ANROMSync, 0, 0x8000, 0xFFFF, 0, 0); |
| 153 | } |
| 154 | |
| 155 | //------------------ Map 70 --------------------------- |
| 156 | |
| 157 | static void M70Sync() |
| 158 | { |
| 159 | setprg16(0x8000,latche>>4); |
| 160 | setprg16(0xc000,~0); |
| 161 | setchr8(latche&0xf); |
| 162 | } |
| 163 | |
| 164 | void Mapper70_Init(CartInfo *info) |
| 165 | { |
| 166 | Latch_Init(info, M70Sync, 0, 0x8000, 0xFFFF, 0, 0); |
| 167 | } |
| 168 | |
| 169 | //------------------ Map 152 --------------------------- |
| 170 | |
| 171 | static void M152Sync() |
| 172 | { |
| 173 | setprg16(0x8000,(latche>>4)&7); |
| 174 | setprg16(0xc000,~0); |
| 175 | setchr8(latche&0xf); |
| 176 | setmirror(MI_0+((latche>>7)&1)); /* Saint Seiya...hmm. */ |
| 177 | } |
| 178 | |
| 179 | void Mapper152_Init(CartInfo *info) |
| 180 | { |
| 181 | Latch_Init(info, M152Sync, 0, 0x8000, 0xFFFF, 0, 0); |
| 182 | } |
| 183 | |
| 184 | //------------------ Map 78 --------------------------- |
| 185 | /* Should be two separate emulation functions for this "mapper". Sigh. URGE TO KILL RISING. */ |
| 186 | static void M78Sync() |
| 187 | { |
| 188 | setprg16(0x8000,(latche&7)); |
| 189 | setprg16(0xc000,~0); |
| 190 | setchr8(latche>>4); |
| 191 | setmirror(MI_0+((latche>>3)&1)); |
| 192 | } |
| 193 | |
| 194 | void Mapper78_Init(CartInfo *info) |
| 195 | { |
| 196 | Latch_Init(info, M78Sync, 0, 0x8000, 0xFFFF, 0, 0); |
| 197 | } |
| 198 | |
| 199 | //------------------ MHROM --------------------------- |
| 200 | |
| 201 | static void MHROMSync(void) |
| 202 | { |
| 203 | setprg32(0x8000,latche>>4); |
| 204 | setchr8(latche&0xf); |
| 205 | } |
| 206 | |
| 207 | void MHROM_Init(CartInfo *info) |
| 208 | { |
| 209 | Latch_Init(info, MHROMSync, 0, 0x8000, 0xFFFF, 0, 0); |
| 210 | } |
| 211 | |
| 212 | void Mapper140_Init(CartInfo *info) |
| 213 | { |
| 214 | Latch_Init(info, MHROMSync, 0, 0x6000, 0x7FFF, 0, 0); |
| 215 | } |
| 216 | |
| 217 | void Mapper240_Init(CartInfo *info) |
| 218 | { |
| 219 | Latch_Init(info, MHROMSync, 0, 0x4020, 0x5FFF, 0, 0); |
| 220 | // need SRAM. |
| 221 | } |
| 222 | |
| 223 | //------------------ Map 87 --------------------------- |
| 224 | |
| 225 | static void M87Sync(void) |
| 226 | { |
| 227 | setprg16(0x8000,0); |
| 228 | setprg16(0xC000,1); |
| 229 | setchr8(((latche>>1)&1)|((latche<<1)&2)); |
| 230 | // setchr8(latche); |
| 231 | } |
| 232 | |
| 233 | void Mapper87_Init(CartInfo *info) |
| 234 | { |
| 235 | Latch_Init(info, M87Sync, ~0, 0x6000, 0xFFFF, 0, 0); |
| 236 | } |
| 237 | |
| 238 | //------------------ Map 101 --------------------------- |
| 239 | |
| 240 | static void M101Sync(void) |
| 241 | { |
| 242 | setprg16(0x8000,0); |
| 243 | setprg16(0xC000,1); |
| 244 | setchr8(latche); |
| 245 | } |
| 246 | |
| 247 | void Mapper101_Init(CartInfo *info) |
| 248 | { |
| 249 | Latch_Init(info, M101Sync, ~0, 0x6000, 0x7FFF, 0, 0); |
| 250 | } |
| 251 | |
| 252 | //------------------ Map 11 --------------------------- |
| 253 | |
| 254 | static void M11Sync(void) |
| 255 | { |
| 256 | setprg32(0x8000,latche&0xf); |
| 257 | setchr8(latche>>4); |
| 258 | } |
| 259 | |
| 260 | void Mapper11_Init(CartInfo *info) |
| 261 | { |
| 262 | Latch_Init(info, M11Sync, 0, 0x8000, 0xFFFF, 0, 0); |
| 263 | } |
| 264 | |
| 265 | void Mapper144_Init(CartInfo *info) |
| 266 | { |
| 267 | Latch_Init(info, M11Sync, 0, 0x8001, 0xFFFF, 0, 0); |
| 268 | } |
| 269 | |
| 270 | //------------------ Map 38 --------------------------- |
| 271 | |
| 272 | static void M38Sync(void) |
| 273 | { |
| 274 | setprg32(0x8000,latche&3); |
| 275 | setchr8(latche>>2); |
| 276 | } |
| 277 | |
| 278 | void Mapper38_Init(CartInfo *info) |
| 279 | { |
| 280 | Latch_Init(info, M38Sync, 0, 0x7000, 0x7FFF, 0, 0); |
| 281 | } |
| 282 | |
| 283 | //------------------ Map 36 --------------------------- |
| 284 | |
| 285 | static void M36Sync(void) |
| 286 | { |
| 287 | setprg32(0x8000,latche>>4); |
| 288 | setchr8((latche)&0xF); |
| 289 | } |
| 290 | |
| 291 | void Mapper36_Init(CartInfo *info) |
| 292 | { |
| 293 | Latch_Init(info, M36Sync, 0, 0x8400, 0xfffe, 0, 0); |
| 294 | } |
| 295 | //------------------ UNROM --------------------------- |
| 296 | |
| 297 | static void UNROMSync(void) |
| 298 | { |
| 299 | setprg16(0x8000,latche); |
| 300 | setprg16(0xc000,~0); |
| 301 | setchr8(0); |
| 302 | } |
| 303 | |
| 304 | void UNROM_Init(CartInfo *info) |
| 305 | { |
| 306 | Latch_Init(info, UNROMSync, 0, 0x8000, 0xFFFF, 0, 1); |
| 307 | } |
| 308 | |
| 309 | //------------------ Map 93 --------------------------- |
| 310 | |
| 311 | static void SSUNROMSync(void) |
| 312 | { |
| 313 | setprg16(0x8000,latche>>4); |
| 314 | setprg16(0xc000,~0); |
| 315 | setchr8(0); |
| 316 | } |
| 317 | |
| 318 | void SUNSOFT_UNROM_Init(CartInfo *info) |
| 319 | { |
| 320 | Latch_Init(info, SSUNROMSync, 0, 0x8000, 0xFFFF, 0, 0); |
| 321 | } |
| 322 | |
| 323 | //------------------ Map 94 --------------------------- |
| 324 | |
| 325 | static void M94Sync(void) |
| 326 | { |
| 327 | setprg16(0x8000,latche>>2); |
| 328 | setprg16(0xc000,~0); |
| 329 | setchr8(0); |
| 330 | } |
| 331 | |
| 332 | void Mapper94_Init(CartInfo *info) |
| 333 | { |
| 334 | Latch_Init(info, M94Sync, 0, 0x8000, 0xFFFF, 0, 0); |
| 335 | } |
| 336 | |
| 337 | //------------------ Map 180 --------------------------- |
| 338 | |
| 339 | static void M180Sync(void) |
| 340 | { |
| 341 | setprg16(0x8000,0); |
| 342 | setprg16(0xc000,latche); |
| 343 | setchr8(0); |
| 344 | } |
| 345 | |
| 346 | void Mapper180_Init(CartInfo *info) |
| 347 | { |
| 348 | Latch_Init(info, M180Sync, 0, 0x8000, 0xFFFF, 0, 0); |
| 349 | } |
| 350 | |
| 351 | //------------------ Map 107 --------------------------- |
| 352 | |
| 353 | static void M107Sync(void) |
| 354 | { |
| 355 | setprg32(0x8000,(latche>>1)&3); |
| 356 | setchr8(latche&7); |
| 357 | } |
| 358 | |
| 359 | void Mapper107_Init(CartInfo *info) |
| 360 | { |
| 361 | Latch_Init(info, M107Sync, ~0, 0x8000, 0xFFFF, 0, 0); |
| 362 | } |
| 363 | |
| 364 | //------------------ Map 113 --------------------------- |
| 365 | |
| 366 | static void M113Sync(void) |
| 367 | { |
| 368 | setprg32(0x8000,(latche>>3)&7); |
| 369 | setchr8(((latche>>3)&8)|(latche&7)); |
| 370 | // setmirror(latche>>7); // only for HES 6in1 |
| 371 | } |
| 372 | |
| 373 | void Mapper113_Init(CartInfo *info) |
| 374 | { |
| 375 | Latch_Init(info, M113Sync, 0, 0x4100, 0x7FFF, 0, 0); |
| 376 | } |
| 377 | |
| 378 | //------------------ A65AS --------------------------- |
| 379 | |
| 380 | // actually, there is two cart in one... First have extra mirroring |
| 381 | // mode (one screen) and 32K bankswitching, second one have only |
| 382 | // 16 bankswitching mode and normal mirroring... But there is no any |
| 383 | // correlations between modes and they can be used in one mapper code. |
| 384 | |
| 385 | static void BMCA65ASSync(void) |
| 386 | { |
| 387 | if(latche&0x40) |
| 388 | setprg32(0x8000,(latche>>1)&0x0F); |
| 389 | else |
| 390 | { |
| 391 | setprg16(0x8000,((latche&0x30)>>1)|(latche&7)); |
| 392 | setprg16(0xC000,((latche&0x30)>>1)|7); |
| 393 | } |
| 394 | setchr8(0); |
| 395 | if(latche&0x80) |
| 396 | setmirror(MI_0+(((latche>>5)&1))); |
| 397 | else |
| 398 | setmirror(((latche>>3)&1)^1); |
| 399 | } |
| 400 | |
| 401 | void BMCA65AS_Init(CartInfo *info) |
| 402 | { |
| 403 | Latch_Init(info, BMCA65ASSync, 0, 0x8000, 0xFFFF, 0, 0); |
| 404 | } |
| 405 | |
| 406 | //------------------ NROM --------------------------- |
| 407 | |
| 408 | #ifdef DEBUG_MAPPER |
| 409 | static DECLFW(WriteHandler) |
| 410 | { |
| 411 | FCEU_printf("bs %04x %02x\n",A,V); |
| 412 | CartBW(A,V); |
| 413 | } |
| 414 | #endif |
| 415 | |
| 416 | static void NROMPower(void) |
| 417 | { |
| 418 | setprg8r(0x10,0x6000,0); // Famili BASIC (v3.0) need it (uses only 4KB), FP-BASIC uses 8KB |
| 419 | setprg16(0x8000,0); |
| 420 | setprg16(0xC000,~0); |
| 421 | setchr8(0); |
| 422 | |
| 423 | SetReadHandler(0x6000,0x7FFF,CartBR); |
| 424 | SetWriteHandler(0x6000,0x7FFF,CartBW); |
| 425 | SetReadHandler(0x8000,0xFFFF,CartBR); |
| 426 | |
| 427 | #ifdef DEBUG_MAPPER |
| 428 | SetWriteHandler(0x4020,0xFFFF,WriteHandler); |
| 429 | #endif |
| 430 | } |
| 431 | |
| 432 | void NROM_Init(CartInfo *info) |
| 433 | { |
| 434 | info->Power=NROMPower; |
| 435 | info->Close=LatchClose; |
| 436 | |
| 437 | WRAMSIZE=8192; |
| 438 | WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE); |
| 439 | SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1); |
| 440 | if(info->battery) |
| 441 | { |
| 442 | info->SaveGame[0]=WRAM; |
| 443 | info->SaveGameLen[0]=WRAMSIZE; |
| 444 | } |
| 445 | AddExState(WRAM, WRAMSIZE, 0, "WRAM"); |
| 446 | } |