| 1 | /*************************************************************************** |
| 2 | * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team * |
| 3 | * * |
| 4 | * This program is free software; you can redistribute it and/or modify * |
| 5 | * it under the terms of the GNU General Public License as published by * |
| 6 | * the Free Software Foundation; either version 2 of the License, or * |
| 7 | * (at your option) any later version. * |
| 8 | * * |
| 9 | * This program is distributed in the hope that it will be useful, * |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 12 | * GNU General Public License for more details. * |
| 13 | * * |
| 14 | * You should have received a copy of the GNU General Public License * |
| 15 | * along with this program; if not, write to the * |
| 16 | * Free Software Foundation, Inc., * |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * |
| 18 | ***************************************************************************/ |
| 19 | |
| 20 | /* |
| 21 | * Functions for PSX hardware control. |
| 22 | */ |
| 23 | |
| 24 | #include "psxhw.h" |
| 25 | #include "mdec.h" |
| 26 | #include "cdrom.h" |
| 27 | #include "gpu.h" |
| 28 | |
| 29 | //#undef PSXHW_LOG |
| 30 | //#define PSXHW_LOG printf |
| 31 | #ifndef PAD_LOG |
| 32 | #define PAD_LOG(...) |
| 33 | #endif |
| 34 | |
| 35 | static u32 (*psxHwReadGpuSRptr)(void) = psxHwReadGpuSR; |
| 36 | |
| 37 | void psxHwReset() { |
| 38 | memset(psxH, 0, 0x10000); |
| 39 | |
| 40 | mdecInit(); // initialize mdec decoder |
| 41 | cdrReset(); |
| 42 | psxRcntInit(); |
| 43 | HW_GPU_STATUS = SWAP32(0x14802000); |
| 44 | psxHwReadGpuSRptr = Config.hacks.gpu_busy_hack |
| 45 | ? psxHwReadGpuSRbusyHack : psxHwReadGpuSR; |
| 46 | } |
| 47 | |
| 48 | void psxHwWriteIstat(u32 value) |
| 49 | { |
| 50 | u32 stat = psxHu16(0x1070) & value; |
| 51 | psxHu16ref(0x1070) = SWAPu16(stat); |
| 52 | |
| 53 | psxRegs.CP0.n.Cause &= ~0x400; |
| 54 | if (stat & psxHu16(0x1074)) |
| 55 | psxRegs.CP0.n.Cause |= 0x400; |
| 56 | } |
| 57 | |
| 58 | void psxHwWriteImask(u32 value) |
| 59 | { |
| 60 | u32 stat = psxHu16(0x1070); |
| 61 | psxHu16ref(0x1074) = SWAPu16(value); |
| 62 | if (stat & value) { |
| 63 | //if ((psxRegs.CP0.n.SR & 0x401) == 0x401) |
| 64 | // log_unhandled("irq on unmask @%08x\n", psxRegs.pc); |
| 65 | new_dyna_set_event(PSXINT_NEWDRC_CHECK, 1); |
| 66 | } |
| 67 | psxRegs.CP0.n.Cause &= ~0x400; |
| 68 | if (stat & value) |
| 69 | psxRegs.CP0.n.Cause |= 0x400; |
| 70 | } |
| 71 | |
| 72 | void psxHwWriteDmaIcr32(u32 value) |
| 73 | { |
| 74 | u32 tmp = value & 0x00ff803f; |
| 75 | tmp |= (SWAPu32(HW_DMA_ICR) & ~value) & 0x7f000000; |
| 76 | if ((tmp & HW_DMA_ICR_GLOBAL_ENABLE && tmp & 0x7f000000) |
| 77 | || tmp & HW_DMA_ICR_BUS_ERROR) { |
| 78 | if (!(SWAPu32(HW_DMA_ICR) & HW_DMA_ICR_IRQ_SENT)) |
| 79 | psxHu32ref(0x1070) |= SWAP32(8); |
| 80 | tmp |= HW_DMA_ICR_IRQ_SENT; |
| 81 | } |
| 82 | HW_DMA_ICR = SWAPu32(tmp); |
| 83 | } |
| 84 | |
| 85 | void psxHwWriteGpuSR(u32 value) |
| 86 | { |
| 87 | GPU_writeStatus(value); |
| 88 | gpuSyncPluginSR(); |
| 89 | } |
| 90 | |
| 91 | u32 psxHwReadGpuSR(void) |
| 92 | { |
| 93 | u32 v; |
| 94 | |
| 95 | // meh2, syncing for img bit, might want to avoid it.. |
| 96 | gpuSyncPluginSR(); |
| 97 | v = SWAP32(HW_GPU_STATUS); |
| 98 | |
| 99 | // XXX: because of large timeslices can't use hSyncCount, using rough |
| 100 | // approximization instead. Perhaps better use hcounter code here or something. |
| 101 | if (hSyncCount < 240 && (v & PSXGPU_ILACE_BITS) != PSXGPU_ILACE_BITS) |
| 102 | v |= PSXGPU_LCF & (psxRegs.cycle << 20); |
| 103 | return v; |
| 104 | } |
| 105 | |
| 106 | // a hack due to poor timing of gpu idle bit |
| 107 | // to get rid of this, GPU draw times, DMAs, cpu timing has to fall within |
| 108 | // certain timing window or else games like "ToHeart" softlock |
| 109 | u32 psxHwReadGpuSRbusyHack(void) |
| 110 | { |
| 111 | u32 v = psxHwReadGpuSR(); |
| 112 | static u32 hack; |
| 113 | if (!(hack++ & 3)) |
| 114 | v &= ~PSXGPU_nBUSY; |
| 115 | return v; |
| 116 | } |
| 117 | |
| 118 | u8 psxHwRead8(u32 add) { |
| 119 | unsigned char hard; |
| 120 | |
| 121 | switch (add & 0x1fffffff) { |
| 122 | case 0x1f801040: hard = sioRead8(); break; |
| 123 | case 0x1f801800: hard = cdrRead0(); break; |
| 124 | case 0x1f801801: hard = cdrRead1(); break; |
| 125 | case 0x1f801802: hard = cdrRead2(); break; |
| 126 | case 0x1f801803: hard = cdrRead3(); break; |
| 127 | |
| 128 | case 0x1f801041: case 0x1f801042: case 0x1f801043: |
| 129 | case 0x1f801044: case 0x1f801045: |
| 130 | case 0x1f801046: case 0x1f801047: |
| 131 | case 0x1f801048: case 0x1f801049: |
| 132 | case 0x1f80104a: case 0x1f80104b: |
| 133 | case 0x1f80104c: case 0x1f80104d: |
| 134 | case 0x1f80104e: case 0x1f80104f: |
| 135 | case 0x1f801050: case 0x1f801051: |
| 136 | case 0x1f801054: case 0x1f801055: |
| 137 | case 0x1f801058: case 0x1f801059: |
| 138 | case 0x1f80105a: case 0x1f80105b: |
| 139 | case 0x1f80105c: case 0x1f80105d: |
| 140 | case 0x1f801100: case 0x1f801101: |
| 141 | case 0x1f801104: case 0x1f801105: |
| 142 | case 0x1f801108: case 0x1f801109: |
| 143 | case 0x1f801110: case 0x1f801111: |
| 144 | case 0x1f801114: case 0x1f801115: |
| 145 | case 0x1f801118: case 0x1f801119: |
| 146 | case 0x1f801120: case 0x1f801121: |
| 147 | case 0x1f801124: case 0x1f801125: |
| 148 | case 0x1f801128: case 0x1f801129: |
| 149 | case 0x1f801810: case 0x1f801811: |
| 150 | case 0x1f801812: case 0x1f801813: |
| 151 | case 0x1f801814: case 0x1f801815: |
| 152 | case 0x1f801816: case 0x1f801817: |
| 153 | case 0x1f801820: case 0x1f801821: |
| 154 | case 0x1f801822: case 0x1f801823: |
| 155 | case 0x1f801824: case 0x1f801825: |
| 156 | case 0x1f801826: case 0x1f801827: |
| 157 | log_unhandled("unhandled r8 %08x @%08x\n", add, psxRegs.pc); |
| 158 | // falthrough |
| 159 | default: |
| 160 | if (0x1f801c00 <= add && add < 0x1f802000) { |
| 161 | u16 val = SPU_readRegister(add & ~1, psxRegs.cycle); |
| 162 | hard = (add & 1) ? val >> 8 : val; |
| 163 | break; |
| 164 | } |
| 165 | hard = psxHu8(add); |
| 166 | #ifdef PSXHW_LOG |
| 167 | PSXHW_LOG("*Unkwnown 8bit read at address %x\n", add); |
| 168 | #endif |
| 169 | return hard; |
| 170 | } |
| 171 | |
| 172 | #ifdef PSXHW_LOG |
| 173 | PSXHW_LOG("*Known 8bit read at address %x value %x\n", add, hard); |
| 174 | #endif |
| 175 | return hard; |
| 176 | } |
| 177 | |
| 178 | u16 psxHwRead16(u32 add) { |
| 179 | unsigned short hard; |
| 180 | |
| 181 | switch (add & 0x1fffffff) { |
| 182 | #ifdef PSXHW_LOG |
| 183 | case 0x1f801070: PSXHW_LOG("IREG 16bit read %x\n", psxHu16(0x1070)); |
| 184 | return psxHu16(0x1070); |
| 185 | case 0x1f801074: PSXHW_LOG("IMASK 16bit read %x\n", psxHu16(0x1074)); |
| 186 | return psxHu16(0x1074); |
| 187 | #endif |
| 188 | case 0x1f801040: |
| 189 | hard = sioRead8(); |
| 190 | hard|= sioRead8() << 8; |
| 191 | PAD_LOG("sio read16 %x; ret = %x\n", add&0xf, hard); |
| 192 | return hard; |
| 193 | case 0x1f801044: |
| 194 | hard = sioReadStat16(); |
| 195 | PAD_LOG("sio read16 %x; ret = %x\n", add&0xf, hard); |
| 196 | return hard; |
| 197 | case 0x1f801048: |
| 198 | hard = sioReadMode16(); |
| 199 | PAD_LOG("sio read16 %x; ret = %x\n", add&0xf, hard); |
| 200 | return hard; |
| 201 | case 0x1f80104a: |
| 202 | hard = sioReadCtrl16(); |
| 203 | PAD_LOG("sio read16 %x; ret = %x\n", add&0xf, hard); |
| 204 | return hard; |
| 205 | case 0x1f80104e: |
| 206 | hard = sioReadBaud16(); |
| 207 | PAD_LOG("sio read16 %x; ret = %x\n", add&0xf, hard); |
| 208 | return hard; |
| 209 | |
| 210 | /* Fixes Armored Core misdetecting the Link cable being detected. |
| 211 | * We want to turn that thing off and force it to do local multiplayer instead. |
| 212 | * Thanks Sony for the fix, they fixed it in their PS Classic fork. |
| 213 | */ |
| 214 | case 0x1f801054: |
| 215 | return 0x80;\r |
| 216 | |
| 217 | case 0x1f801100: |
| 218 | hard = psxRcntRcount0(); |
| 219 | #ifdef PSXHW_LOG |
| 220 | PSXHW_LOG("T0 count read16: %x\n", hard); |
| 221 | #endif |
| 222 | return hard; |
| 223 | case 0x1f801104: |
| 224 | hard = psxRcntRmode(0); |
| 225 | #ifdef PSXHW_LOG |
| 226 | PSXHW_LOG("T0 mode read16: %x\n", hard); |
| 227 | #endif |
| 228 | return hard; |
| 229 | case 0x1f801108: |
| 230 | hard = psxRcntRtarget(0); |
| 231 | #ifdef PSXHW_LOG |
| 232 | PSXHW_LOG("T0 target read16: %x\n", hard); |
| 233 | #endif |
| 234 | return hard; |
| 235 | case 0x1f801110: |
| 236 | hard = psxRcntRcount1(); |
| 237 | #ifdef PSXHW_LOG |
| 238 | PSXHW_LOG("T1 count read16: %x\n", hard); |
| 239 | #endif |
| 240 | return hard; |
| 241 | case 0x1f801114: |
| 242 | hard = psxRcntRmode(1); |
| 243 | #ifdef PSXHW_LOG |
| 244 | PSXHW_LOG("T1 mode read16: %x\n", hard); |
| 245 | #endif |
| 246 | return hard; |
| 247 | case 0x1f801118: |
| 248 | hard = psxRcntRtarget(1); |
| 249 | #ifdef PSXHW_LOG |
| 250 | PSXHW_LOG("T1 target read16: %x\n", hard); |
| 251 | #endif |
| 252 | return hard; |
| 253 | case 0x1f801120: |
| 254 | hard = psxRcntRcount2(); |
| 255 | #ifdef PSXHW_LOG |
| 256 | PSXHW_LOG("T2 count read16: %x\n", hard); |
| 257 | #endif |
| 258 | return hard; |
| 259 | case 0x1f801124: |
| 260 | hard = psxRcntRmode(2); |
| 261 | #ifdef PSXHW_LOG |
| 262 | PSXHW_LOG("T2 mode read16: %x\n", hard); |
| 263 | #endif |
| 264 | return hard; |
| 265 | case 0x1f801128: |
| 266 | hard = psxRcntRtarget(2); |
| 267 | #ifdef PSXHW_LOG |
| 268 | PSXHW_LOG("T2 target read16: %x\n", hard); |
| 269 | #endif |
| 270 | return hard; |
| 271 | |
| 272 | //case 0x1f802030: hard = //int_2000???? |
| 273 | //case 0x1f802040: hard =//dip switches...?? |
| 274 | |
| 275 | case 0x1f801042: |
| 276 | case 0x1f801046: |
| 277 | case 0x1f80104c: |
| 278 | case 0x1f801050: |
| 279 | case 0x1f801058: |
| 280 | case 0x1f80105a: |
| 281 | case 0x1f80105c: |
| 282 | case 0x1f801800: |
| 283 | case 0x1f801802: |
| 284 | case 0x1f801810: |
| 285 | case 0x1f801812: |
| 286 | case 0x1f801814: |
| 287 | case 0x1f801816: |
| 288 | case 0x1f801820: |
| 289 | case 0x1f801822: |
| 290 | case 0x1f801824: |
| 291 | case 0x1f801826: |
| 292 | log_unhandled("unhandled r16 %08x @%08x\n", add, psxRegs.pc); |
| 293 | // falthrough |
| 294 | default: |
| 295 | if (0x1f801c00 <= add && add < 0x1f802000) |
| 296 | return SPU_readRegister(add, psxRegs.cycle); |
| 297 | hard = psxHu16(add); |
| 298 | #ifdef PSXHW_LOG |
| 299 | PSXHW_LOG("*Unkwnown 16bit read at address %x\n", add); |
| 300 | #endif |
| 301 | return hard; |
| 302 | } |
| 303 | |
| 304 | #ifdef PSXHW_LOG |
| 305 | PSXHW_LOG("*Known 16bit read at address %x value %x\n", add, hard); |
| 306 | #endif |
| 307 | return hard; |
| 308 | } |
| 309 | |
| 310 | u32 psxHwRead32(u32 add) { |
| 311 | u32 hard; |
| 312 | |
| 313 | switch (add & 0x1fffffff) { |
| 314 | case 0x1f801040: |
| 315 | hard = sioRead8(); |
| 316 | hard |= sioRead8() << 8; |
| 317 | hard |= sioRead8() << 16; |
| 318 | hard |= sioRead8() << 24; |
| 319 | PAD_LOG("sio read32 ;ret = %x\n", hard); |
| 320 | return hard; |
| 321 | case 0x1f801044: |
| 322 | hard = sioReadStat16(); |
| 323 | PAD_LOG("sio read32 %x; ret = %x\n", add&0xf, hard); |
| 324 | return hard; |
| 325 | #ifdef PSXHW_LOG |
| 326 | case 0x1f801060: |
| 327 | PSXHW_LOG("RAM size read %x\n", psxHu32(0x1060)); |
| 328 | return psxHu32(0x1060); |
| 329 | case 0x1f801070: PSXHW_LOG("IREG 32bit read %x\n", psxHu32(0x1070)); |
| 330 | return psxHu32(0x1070); |
| 331 | case 0x1f801074: PSXHW_LOG("IMASK 32bit read %x\n", psxHu32(0x1074)); |
| 332 | return psxHu32(0x1074); |
| 333 | #endif |
| 334 | |
| 335 | case 0x1f801810: |
| 336 | hard = GPU_readData(); |
| 337 | #ifdef PSXHW_LOG |
| 338 | PSXHW_LOG("GPU DATA 32bit read %x\n", hard); |
| 339 | #endif |
| 340 | return hard; |
| 341 | case 0x1f801814: |
| 342 | hard = psxHwReadGpuSRptr(); |
| 343 | #ifdef PSXHW_LOG |
| 344 | PSXHW_LOG("GPU STATUS 32bit read %x\n", hard); |
| 345 | #endif |
| 346 | return hard; |
| 347 | |
| 348 | case 0x1f801820: hard = mdecRead0(); break; |
| 349 | case 0x1f801824: hard = mdecRead1(); break; |
| 350 | |
| 351 | #ifdef PSXHW_LOG |
| 352 | case 0x1f8010a0: |
| 353 | PSXHW_LOG("DMA2 MADR 32bit read %x\n", psxHu32(0x10a0)); |
| 354 | return SWAPu32(HW_DMA2_MADR); |
| 355 | case 0x1f8010a4: |
| 356 | PSXHW_LOG("DMA2 BCR 32bit read %x\n", psxHu32(0x10a4)); |
| 357 | return SWAPu32(HW_DMA2_BCR); |
| 358 | case 0x1f8010a8: |
| 359 | PSXHW_LOG("DMA2 CHCR 32bit read %x\n", psxHu32(0x10a8)); |
| 360 | return SWAPu32(HW_DMA2_CHCR); |
| 361 | #endif |
| 362 | |
| 363 | #ifdef PSXHW_LOG |
| 364 | case 0x1f8010b0: |
| 365 | PSXHW_LOG("DMA3 MADR 32bit read %x\n", psxHu32(0x10b0)); |
| 366 | return SWAPu32(HW_DMA3_MADR); |
| 367 | case 0x1f8010b4: |
| 368 | PSXHW_LOG("DMA3 BCR 32bit read %x\n", psxHu32(0x10b4)); |
| 369 | return SWAPu32(HW_DMA3_BCR); |
| 370 | case 0x1f8010b8: |
| 371 | PSXHW_LOG("DMA3 CHCR 32bit read %x\n", psxHu32(0x10b8)); |
| 372 | return SWAPu32(HW_DMA3_CHCR); |
| 373 | #endif |
| 374 | |
| 375 | #ifdef PSXHW_LOG |
| 376 | /* case 0x1f8010f0: |
| 377 | PSXHW_LOG("DMA PCR 32bit read %x\n", psxHu32(0x10f0)); |
| 378 | return SWAPu32(HW_DMA_PCR); // dma rest channel |
| 379 | case 0x1f8010f4: |
| 380 | PSXHW_LOG("DMA ICR 32bit read %x\n", psxHu32(0x10f4)); |
| 381 | return SWAPu32(HW_DMA_ICR); // interrupt enabler?*/ |
| 382 | #endif |
| 383 | |
| 384 | // time for rootcounters :) |
| 385 | case 0x1f801100: |
| 386 | hard = psxRcntRcount0(); |
| 387 | #ifdef PSXHW_LOG |
| 388 | PSXHW_LOG("T0 count read32: %x\n", hard); |
| 389 | #endif |
| 390 | return hard; |
| 391 | case 0x1f801104: |
| 392 | hard = psxRcntRmode(0); |
| 393 | #ifdef PSXHW_LOG |
| 394 | PSXHW_LOG("T0 mode read32: %x\n", hard); |
| 395 | #endif |
| 396 | return hard; |
| 397 | case 0x1f801108: |
| 398 | hard = psxRcntRtarget(0); |
| 399 | #ifdef PSXHW_LOG |
| 400 | PSXHW_LOG("T0 target read32: %x\n", hard); |
| 401 | #endif |
| 402 | return hard; |
| 403 | case 0x1f801110: |
| 404 | hard = psxRcntRcount1(); |
| 405 | #ifdef PSXHW_LOG |
| 406 | PSXHW_LOG("T1 count read32: %x\n", hard); |
| 407 | #endif |
| 408 | return hard; |
| 409 | case 0x1f801114: |
| 410 | hard = psxRcntRmode(1); |
| 411 | #ifdef PSXHW_LOG |
| 412 | PSXHW_LOG("T1 mode read32: %x\n", hard); |
| 413 | #endif |
| 414 | return hard; |
| 415 | case 0x1f801118: |
| 416 | hard = psxRcntRtarget(1); |
| 417 | #ifdef PSXHW_LOG |
| 418 | PSXHW_LOG("T1 target read32: %x\n", hard); |
| 419 | #endif |
| 420 | return hard; |
| 421 | case 0x1f801120: |
| 422 | hard = psxRcntRcount2(); |
| 423 | #ifdef PSXHW_LOG |
| 424 | PSXHW_LOG("T2 count read32: %x\n", hard); |
| 425 | #endif |
| 426 | return hard; |
| 427 | case 0x1f801124: |
| 428 | hard = psxRcntRmode(2); |
| 429 | #ifdef PSXHW_LOG |
| 430 | PSXHW_LOG("T2 mode read32: %x\n", hard); |
| 431 | #endif |
| 432 | return hard; |
| 433 | case 0x1f801128: |
| 434 | hard = psxRcntRtarget(2); |
| 435 | #ifdef PSXHW_LOG |
| 436 | PSXHW_LOG("T2 target read32: %x\n", hard); |
| 437 | #endif |
| 438 | return hard; |
| 439 | |
| 440 | case 0x1f801048: |
| 441 | case 0x1f80104c: |
| 442 | case 0x1f801050: |
| 443 | case 0x1f801054: |
| 444 | case 0x1f801058: |
| 445 | case 0x1f80105c: |
| 446 | case 0x1f801800: |
| 447 | log_unhandled("unhandled r32 %08x @%08x\n", add, psxRegs.pc); |
| 448 | // falthrough |
| 449 | default: |
| 450 | if (0x1f801c00 <= add && add < 0x1f802000) { |
| 451 | hard = SPU_readRegister(add, psxRegs.cycle); |
| 452 | hard |= SPU_readRegister(add + 2, psxRegs.cycle) << 16; |
| 453 | return hard; |
| 454 | } |
| 455 | hard = psxHu32(add); |
| 456 | #ifdef PSXHW_LOG |
| 457 | PSXHW_LOG("*Unkwnown 32bit read at address %x\n", add); |
| 458 | #endif |
| 459 | return hard; |
| 460 | } |
| 461 | #ifdef PSXHW_LOG |
| 462 | PSXHW_LOG("*Known 32bit read at address %x\n", add); |
| 463 | #endif |
| 464 | return hard; |
| 465 | } |
| 466 | |
| 467 | void psxHwWrite8(u32 add, u8 value) { |
| 468 | switch (add & 0x1fffffff) { |
| 469 | case 0x1f801040: sioWrite8(value); break;\r |
| 470 | case 0x1f801800: cdrWrite0(value); break; |
| 471 | case 0x1f801801: cdrWrite1(value); break; |
| 472 | case 0x1f801802: cdrWrite2(value); break; |
| 473 | case 0x1f801803: cdrWrite3(value); break; |
| 474 | |
| 475 | case 0x1f801041: case 0x1f801042: case 0x1f801043: |
| 476 | case 0x1f801044: case 0x1f801045: |
| 477 | case 0x1f801046: case 0x1f801047: |
| 478 | case 0x1f801048: case 0x1f801049: |
| 479 | case 0x1f80104a: case 0x1f80104b: |
| 480 | case 0x1f80104c: case 0x1f80104d: |
| 481 | case 0x1f80104e: case 0x1f80104f: |
| 482 | case 0x1f801050: case 0x1f801051: |
| 483 | case 0x1f801054: case 0x1f801055: |
| 484 | case 0x1f801058: case 0x1f801059: |
| 485 | case 0x1f80105a: case 0x1f80105b: |
| 486 | case 0x1f80105c: case 0x1f80105d: |
| 487 | case 0x1f801100: case 0x1f801101: |
| 488 | case 0x1f801104: case 0x1f801105: |
| 489 | case 0x1f801108: case 0x1f801109: |
| 490 | case 0x1f801110: case 0x1f801111: |
| 491 | case 0x1f801114: case 0x1f801115: |
| 492 | case 0x1f801118: case 0x1f801119: |
| 493 | case 0x1f801120: case 0x1f801121: |
| 494 | case 0x1f801124: case 0x1f801125: |
| 495 | case 0x1f801128: case 0x1f801129: |
| 496 | case 0x1f801810: case 0x1f801811: |
| 497 | case 0x1f801812: case 0x1f801813: |
| 498 | case 0x1f801814: case 0x1f801815: |
| 499 | case 0x1f801816: case 0x1f801817: |
| 500 | case 0x1f801820: case 0x1f801821: |
| 501 | case 0x1f801822: case 0x1f801823: |
| 502 | case 0x1f801824: case 0x1f801825: |
| 503 | case 0x1f801826: case 0x1f801827: |
| 504 | log_unhandled("unhandled w8 %08x @%08x\n", add, psxRegs.pc); |
| 505 | // falthrough |
| 506 | default: |
| 507 | if (0x1f801c00 <= add && add < 0x1f802000) { |
| 508 | log_unhandled("spu w8 %02x @%08x\n", value, psxRegs.pc); |
| 509 | if (!(add & 1)) |
| 510 | SPU_writeRegister(add, value, psxRegs.cycle); |
| 511 | return; |
| 512 | } |
| 513 | |
| 514 | psxHu8(add) = value; |
| 515 | #ifdef PSXHW_LOG |
| 516 | PSXHW_LOG("*Unknown 8bit write at address %x value %x\n", add, value); |
| 517 | #endif |
| 518 | return; |
| 519 | } |
| 520 | psxHu8(add) = value; |
| 521 | #ifdef PSXHW_LOG |
| 522 | PSXHW_LOG("*Known 8bit write at address %x value %x\n", add, value); |
| 523 | #endif |
| 524 | } |
| 525 | |
| 526 | void psxHwWrite16(u32 add, u16 value) { |
| 527 | switch (add & 0x1fffffff) { |
| 528 | case 0x1f801040: |
| 529 | sioWrite8((unsigned char)value); |
| 530 | sioWrite8((unsigned char)(value>>8)); |
| 531 | PAD_LOG ("sio write16 %x, %x\n", add&0xf, value); |
| 532 | return; |
| 533 | case 0x1f801044: |
| 534 | sioWriteStat16(value); |
| 535 | PAD_LOG ("sio write16 %x, %x\n", add&0xf, value); |
| 536 | return; |
| 537 | case 0x1f801048: |
| 538 | sioWriteMode16(value); |
| 539 | PAD_LOG ("sio write16 %x, %x\n", add&0xf, value); |
| 540 | return; |
| 541 | case 0x1f80104a: // control register |
| 542 | sioWriteCtrl16(value); |
| 543 | PAD_LOG ("sio write16 %x, %x\n", add&0xf, value); |
| 544 | return; |
| 545 | case 0x1f80104e: // baudrate register |
| 546 | sioWriteBaud16(value); |
| 547 | PAD_LOG ("sio write16 %x, %x\n", add&0xf, value); |
| 548 | return; |
| 549 | case 0x1f801070: |
| 550 | #ifdef PSXHW_LOG |
| 551 | PSXHW_LOG("IREG 16bit write %x\n", value); |
| 552 | #endif |
| 553 | psxHwWriteIstat(value); |
| 554 | return; |
| 555 | |
| 556 | case 0x1f801074: |
| 557 | #ifdef PSXHW_LOG |
| 558 | PSXHW_LOG("IMASK 16bit write %x\n", value); |
| 559 | #endif |
| 560 | psxHwWriteImask(value); |
| 561 | return; |
| 562 | |
| 563 | case 0x1f801100: |
| 564 | #ifdef PSXHW_LOG |
| 565 | PSXHW_LOG("COUNTER 0 COUNT 16bit write %x\n", value); |
| 566 | #endif |
| 567 | psxRcntWcount(0, value); return; |
| 568 | case 0x1f801104: |
| 569 | #ifdef PSXHW_LOG |
| 570 | PSXHW_LOG("COUNTER 0 MODE 16bit write %x\n", value); |
| 571 | #endif |
| 572 | psxRcntWmode(0, value); return; |
| 573 | case 0x1f801108: |
| 574 | #ifdef PSXHW_LOG |
| 575 | PSXHW_LOG("COUNTER 0 TARGET 16bit write %x\n", value); |
| 576 | #endif |
| 577 | psxRcntWtarget(0, value); return; |
| 578 | |
| 579 | case 0x1f801110: |
| 580 | #ifdef PSXHW_LOG |
| 581 | PSXHW_LOG("COUNTER 1 COUNT 16bit write %x\n", value); |
| 582 | #endif |
| 583 | psxRcntWcount(1, value); return; |
| 584 | case 0x1f801114: |
| 585 | #ifdef PSXHW_LOG |
| 586 | PSXHW_LOG("COUNTER 1 MODE 16bit write %x\n", value); |
| 587 | #endif |
| 588 | psxRcntWmode(1, value); return; |
| 589 | case 0x1f801118: |
| 590 | #ifdef PSXHW_LOG |
| 591 | PSXHW_LOG("COUNTER 1 TARGET 16bit write %x\n", value); |
| 592 | #endif |
| 593 | psxRcntWtarget(1, value); return; |
| 594 | |
| 595 | case 0x1f801120: |
| 596 | #ifdef PSXHW_LOG |
| 597 | PSXHW_LOG("COUNTER 2 COUNT 16bit write %x\n", value); |
| 598 | #endif |
| 599 | psxRcntWcount(2, value); return; |
| 600 | case 0x1f801124: |
| 601 | #ifdef PSXHW_LOG |
| 602 | PSXHW_LOG("COUNTER 2 MODE 16bit write %x\n", value); |
| 603 | #endif |
| 604 | psxRcntWmode(2, value); return; |
| 605 | case 0x1f801128: |
| 606 | #ifdef PSXHW_LOG |
| 607 | PSXHW_LOG("COUNTER 2 TARGET 16bit write %x\n", value); |
| 608 | #endif |
| 609 | psxRcntWtarget(2, value); return; |
| 610 | |
| 611 | case 0x1f801042: |
| 612 | case 0x1f801046: |
| 613 | case 0x1f80104c: |
| 614 | case 0x1f801050: |
| 615 | case 0x1f801054: |
| 616 | case 0x1f801058: |
| 617 | case 0x1f80105a: |
| 618 | case 0x1f80105c: |
| 619 | case 0x1f801800: |
| 620 | case 0x1f801802: |
| 621 | case 0x1f801810: |
| 622 | case 0x1f801812: |
| 623 | case 0x1f801814: |
| 624 | case 0x1f801816: |
| 625 | case 0x1f801820: |
| 626 | case 0x1f801822: |
| 627 | case 0x1f801824: |
| 628 | case 0x1f801826: |
| 629 | log_unhandled("unhandled w16 %08x @%08x\n", add, psxRegs.pc); |
| 630 | // falthrough |
| 631 | default: |
| 632 | if (0x1f801c00 <= add && add < 0x1f802000) { |
| 633 | SPU_writeRegister(add, value, psxRegs.cycle); |
| 634 | return; |
| 635 | } |
| 636 | |
| 637 | psxHu16ref(add) = SWAPu16(value); |
| 638 | #ifdef PSXHW_LOG |
| 639 | PSXHW_LOG("*Unknown 16bit write at address %x value %x\n", add, value); |
| 640 | #endif |
| 641 | return; |
| 642 | } |
| 643 | psxHu16ref(add) = SWAPu16(value); |
| 644 | #ifdef PSXHW_LOG |
| 645 | PSXHW_LOG("*Known 16bit write at address %x value %x\n", add, value); |
| 646 | #endif |
| 647 | } |
| 648 | |
| 649 | #define DmaExec(n) { \ |
| 650 | if (value & SWAPu32(HW_DMA##n##_CHCR) & 0x01000000) \ |
| 651 | log_unhandled("dma" #n " %08x -> %08x\n", HW_DMA##n##_CHCR, value); \ |
| 652 | HW_DMA##n##_CHCR = SWAPu32(value); \ |
| 653 | \ |
| 654 | if (SWAPu32(HW_DMA##n##_CHCR) & 0x01000000 && SWAPu32(HW_DMA_PCR) & (8 << (n * 4))) { \ |
| 655 | psxDma##n(SWAPu32(HW_DMA##n##_MADR), SWAPu32(HW_DMA##n##_BCR), SWAPu32(HW_DMA##n##_CHCR)); \ |
| 656 | } \ |
| 657 | } |
| 658 | |
| 659 | void psxHwWrite32(u32 add, u32 value) { |
| 660 | switch (add & 0x1fffffff) { |
| 661 | case 0x1f801040: |
| 662 | sioWrite8((unsigned char)value); |
| 663 | sioWrite8((unsigned char)((value&0xff) >> 8)); |
| 664 | sioWrite8((unsigned char)((value&0xff) >> 16)); |
| 665 | sioWrite8((unsigned char)((value&0xff) >> 24)); |
| 666 | PAD_LOG("sio write32 %x\n", value); |
| 667 | return; |
| 668 | #ifdef PSXHW_LOG |
| 669 | case 0x1f801060: |
| 670 | PSXHW_LOG("RAM size write %x\n", value); |
| 671 | psxHu32ref(add) = SWAPu32(value); |
| 672 | return; // Ram size |
| 673 | #endif |
| 674 | |
| 675 | case 0x1f801070: |
| 676 | #ifdef PSXHW_LOG |
| 677 | PSXHW_LOG("IREG 32bit write %x\n", value); |
| 678 | #endif |
| 679 | psxHwWriteIstat(value); |
| 680 | return; |
| 681 | case 0x1f801074: |
| 682 | #ifdef PSXHW_LOG |
| 683 | PSXHW_LOG("IMASK 32bit write %x\n", value); |
| 684 | #endif |
| 685 | psxHwWriteImask(value); |
| 686 | return; |
| 687 | |
| 688 | #ifdef PSXHW_LOG |
| 689 | case 0x1f801080: |
| 690 | PSXHW_LOG("DMA0 MADR 32bit write %x\n", value); |
| 691 | HW_DMA0_MADR = SWAPu32(value); return; // DMA0 madr |
| 692 | case 0x1f801084: |
| 693 | PSXHW_LOG("DMA0 BCR 32bit write %x\n", value); |
| 694 | HW_DMA0_BCR = SWAPu32(value); return; // DMA0 bcr |
| 695 | #endif |
| 696 | case 0x1f801088: |
| 697 | #ifdef PSXHW_LOG |
| 698 | PSXHW_LOG("DMA0 CHCR 32bit write %x\n", value); |
| 699 | #endif |
| 700 | DmaExec(0); // DMA0 chcr (MDEC in DMA) |
| 701 | return; |
| 702 | |
| 703 | #ifdef PSXHW_LOG |
| 704 | case 0x1f801090: |
| 705 | PSXHW_LOG("DMA1 MADR 32bit write %x\n", value); |
| 706 | HW_DMA1_MADR = SWAPu32(value); return; // DMA1 madr |
| 707 | case 0x1f801094: |
| 708 | PSXHW_LOG("DMA1 BCR 32bit write %x\n", value); |
| 709 | HW_DMA1_BCR = SWAPu32(value); return; // DMA1 bcr |
| 710 | #endif |
| 711 | case 0x1f801098: |
| 712 | #ifdef PSXHW_LOG |
| 713 | PSXHW_LOG("DMA1 CHCR 32bit write %x\n", value); |
| 714 | #endif |
| 715 | DmaExec(1); // DMA1 chcr (MDEC out DMA) |
| 716 | return; |
| 717 | |
| 718 | #ifdef PSXHW_LOG |
| 719 | case 0x1f8010a0: |
| 720 | PSXHW_LOG("DMA2 MADR 32bit write %x\n", value); |
| 721 | HW_DMA2_MADR = SWAPu32(value); return; // DMA2 madr |
| 722 | case 0x1f8010a4: |
| 723 | PSXHW_LOG("DMA2 BCR 32bit write %x\n", value); |
| 724 | HW_DMA2_BCR = SWAPu32(value); return; // DMA2 bcr |
| 725 | #endif |
| 726 | case 0x1f8010a8: |
| 727 | #ifdef PSXHW_LOG |
| 728 | PSXHW_LOG("DMA2 CHCR 32bit write %x\n", value); |
| 729 | #endif |
| 730 | DmaExec(2); // DMA2 chcr (GPU DMA) |
| 731 | return; |
| 732 | |
| 733 | #ifdef PSXHW_LOG |
| 734 | case 0x1f8010b0: |
| 735 | PSXHW_LOG("DMA3 MADR 32bit write %x\n", value); |
| 736 | HW_DMA3_MADR = SWAPu32(value); return; // DMA3 madr |
| 737 | case 0x1f8010b4: |
| 738 | PSXHW_LOG("DMA3 BCR 32bit write %x\n", value); |
| 739 | HW_DMA3_BCR = SWAPu32(value); return; // DMA3 bcr |
| 740 | #endif |
| 741 | case 0x1f8010b8: |
| 742 | #ifdef PSXHW_LOG |
| 743 | PSXHW_LOG("DMA3 CHCR 32bit write %x\n", value); |
| 744 | #endif |
| 745 | DmaExec(3); // DMA3 chcr (CDROM DMA) |
| 746 | |
| 747 | return; |
| 748 | |
| 749 | #ifdef PSXHW_LOG |
| 750 | case 0x1f8010c0: |
| 751 | PSXHW_LOG("DMA4 MADR 32bit write %x\n", value); |
| 752 | HW_DMA4_MADR = SWAPu32(value); return; // DMA4 madr |
| 753 | case 0x1f8010c4: |
| 754 | PSXHW_LOG("DMA4 BCR 32bit write %x\n", value); |
| 755 | HW_DMA4_BCR = SWAPu32(value); return; // DMA4 bcr |
| 756 | #endif |
| 757 | case 0x1f8010c8: |
| 758 | #ifdef PSXHW_LOG |
| 759 | PSXHW_LOG("DMA4 CHCR 32bit write %x\n", value); |
| 760 | #endif |
| 761 | DmaExec(4); // DMA4 chcr (SPU DMA) |
| 762 | return; |
| 763 | |
| 764 | #if 0 |
| 765 | case 0x1f8010d0: break; //DMA5write_madr(); |
| 766 | case 0x1f8010d4: break; //DMA5write_bcr(); |
| 767 | case 0x1f8010d8: break; //DMA5write_chcr(); // Not needed |
| 768 | #endif |
| 769 | |
| 770 | #ifdef PSXHW_LOG |
| 771 | case 0x1f8010e0: |
| 772 | PSXHW_LOG("DMA6 MADR 32bit write %x\n", value); |
| 773 | HW_DMA6_MADR = SWAPu32(value); return; // DMA6 bcr |
| 774 | case 0x1f8010e4: |
| 775 | PSXHW_LOG("DMA6 BCR 32bit write %x\n", value); |
| 776 | HW_DMA6_BCR = SWAPu32(value); return; // DMA6 bcr |
| 777 | #endif |
| 778 | case 0x1f8010e8: |
| 779 | #ifdef PSXHW_LOG |
| 780 | PSXHW_LOG("DMA6 CHCR 32bit write %x\n", value); |
| 781 | #endif |
| 782 | DmaExec(6); // DMA6 chcr (OT clear) |
| 783 | return; |
| 784 | |
| 785 | #ifdef PSXHW_LOG |
| 786 | case 0x1f8010f0: |
| 787 | PSXHW_LOG("DMA PCR 32bit write %x\n", value); |
| 788 | HW_DMA_PCR = SWAPu32(value); |
| 789 | return; |
| 790 | #endif |
| 791 | |
| 792 | case 0x1f8010f4: |
| 793 | #ifdef PSXHW_LOG |
| 794 | PSXHW_LOG("DMA ICR 32bit write %x\n", value); |
| 795 | #endif |
| 796 | psxHwWriteDmaIcr32(value); |
| 797 | return; |
| 798 | |
| 799 | case 0x1f801810: |
| 800 | #ifdef PSXHW_LOG |
| 801 | PSXHW_LOG("GPU DATA 32bit write %x\n", value); |
| 802 | #endif |
| 803 | GPU_writeData(value); return; |
| 804 | case 0x1f801814: |
| 805 | #ifdef PSXHW_LOG |
| 806 | PSXHW_LOG("GPU STATUS 32bit write %x\n", value); |
| 807 | #endif |
| 808 | psxHwWriteGpuSR(value); |
| 809 | return; |
| 810 | |
| 811 | case 0x1f801820: |
| 812 | mdecWrite0(value); break; |
| 813 | case 0x1f801824: |
| 814 | mdecWrite1(value); break; |
| 815 | |
| 816 | case 0x1f801100: |
| 817 | #ifdef PSXHW_LOG |
| 818 | PSXHW_LOG("COUNTER 0 COUNT 32bit write %x\n", value); |
| 819 | #endif |
| 820 | psxRcntWcount(0, value & 0xffff); return; |
| 821 | case 0x1f801104: |
| 822 | #ifdef PSXHW_LOG |
| 823 | PSXHW_LOG("COUNTER 0 MODE 32bit write %x\n", value); |
| 824 | #endif |
| 825 | psxRcntWmode(0, value); return; |
| 826 | case 0x1f801108: |
| 827 | #ifdef PSXHW_LOG |
| 828 | PSXHW_LOG("COUNTER 0 TARGET 32bit write %x\n", value); |
| 829 | #endif |
| 830 | psxRcntWtarget(0, value & 0xffff); return; // HW_DMA_ICR&= SWAP32((~value)&0xff000000); |
| 831 | |
| 832 | case 0x1f801110: |
| 833 | #ifdef PSXHW_LOG |
| 834 | PSXHW_LOG("COUNTER 1 COUNT 32bit write %x\n", value); |
| 835 | #endif |
| 836 | psxRcntWcount(1, value & 0xffff); return; |
| 837 | case 0x1f801114: |
| 838 | #ifdef PSXHW_LOG |
| 839 | PSXHW_LOG("COUNTER 1 MODE 32bit write %x\n", value); |
| 840 | #endif |
| 841 | psxRcntWmode(1, value); return; |
| 842 | case 0x1f801118: |
| 843 | #ifdef PSXHW_LOG |
| 844 | PSXHW_LOG("COUNTER 1 TARGET 32bit write %x\n", value); |
| 845 | #endif |
| 846 | psxRcntWtarget(1, value & 0xffff); return; |
| 847 | |
| 848 | case 0x1f801120: |
| 849 | #ifdef PSXHW_LOG |
| 850 | PSXHW_LOG("COUNTER 2 COUNT 32bit write %x\n", value); |
| 851 | #endif |
| 852 | psxRcntWcount(2, value & 0xffff); return; |
| 853 | case 0x1f801124: |
| 854 | #ifdef PSXHW_LOG |
| 855 | PSXHW_LOG("COUNTER 2 MODE 32bit write %x\n", value); |
| 856 | #endif |
| 857 | psxRcntWmode(2, value); return; |
| 858 | case 0x1f801128: |
| 859 | #ifdef PSXHW_LOG |
| 860 | PSXHW_LOG("COUNTER 2 TARGET 32bit write %x\n", value); |
| 861 | #endif |
| 862 | psxRcntWtarget(2, value & 0xffff); return; |
| 863 | |
| 864 | case 0x1f801044: |
| 865 | case 0x1f801048: |
| 866 | case 0x1f80104c: |
| 867 | case 0x1f801050: |
| 868 | case 0x1f801054: |
| 869 | case 0x1f801058: |
| 870 | case 0x1f80105c: |
| 871 | case 0x1f801800: |
| 872 | log_unhandled("unhandled w32 %08x @%08x\n", add, psxRegs.pc); |
| 873 | // falthrough |
| 874 | default: |
| 875 | // Dukes of Hazard 2 - car engine noise |
| 876 | if (0x1f801c00 <= add && add < 0x1f802000) { |
| 877 | SPU_writeRegister(add, value&0xffff, psxRegs.cycle); |
| 878 | SPU_writeRegister(add + 2, value>>16, psxRegs.cycle); |
| 879 | return; |
| 880 | } |
| 881 | |
| 882 | psxHu32ref(add) = SWAPu32(value); |
| 883 | #ifdef PSXHW_LOG |
| 884 | PSXHW_LOG("*Unknown 32bit write at address %x value %x\n", add, value); |
| 885 | #endif |
| 886 | return; |
| 887 | } |
| 888 | psxHu32ref(add) = SWAPu32(value); |
| 889 | #ifdef PSXHW_LOG |
| 890 | PSXHW_LOG("*Known 32bit write at address %x value %x\n", add, value); |
| 891 | #endif |
| 892 | } |
| 893 | |
| 894 | int psxHwFreeze(void *f, int Mode) { |
| 895 | return 0; |
| 896 | } |