| 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 | * Handles all CD-ROM registers and functions. |
| 22 | */ |
| 23 | |
| 24 | #include "cdrom.h" |
| 25 | #include "ppf.h" |
| 26 | #include "psxdma.h" |
| 27 | |
| 28 | cdrStruct cdr; |
| 29 | |
| 30 | /* CD-ROM magic numbers */ |
| 31 | #define CdlSync 0 |
| 32 | #define CdlNop 1 |
| 33 | #define CdlSetloc 2 |
| 34 | #define CdlPlay 3 |
| 35 | #define CdlForward 4 |
| 36 | #define CdlBackward 5 |
| 37 | #define CdlReadN 6 |
| 38 | #define CdlStandby 7 |
| 39 | #define CdlStop 8 |
| 40 | #define CdlPause 9 |
| 41 | #define CdlInit 10 |
| 42 | #define CdlMute 11 |
| 43 | #define CdlDemute 12 |
| 44 | #define CdlSetfilter 13 |
| 45 | #define CdlSetmode 14 |
| 46 | #define CdlGetmode 15 |
| 47 | #define CdlGetlocL 16 |
| 48 | #define CdlGetlocP 17 |
| 49 | #define CdlReadT 18 |
| 50 | #define CdlGetTN 19 |
| 51 | #define CdlGetTD 20 |
| 52 | #define CdlSeekL 21 |
| 53 | #define CdlSeekP 22 |
| 54 | #define CdlSetclock 23 |
| 55 | #define CdlGetclock 24 |
| 56 | #define CdlTest 25 |
| 57 | #define CdlID 26 |
| 58 | #define CdlReadS 27 |
| 59 | #define CdlReset 28 |
| 60 | #define CdlReadToc 30 |
| 61 | |
| 62 | #define AUTOPAUSE 249 |
| 63 | #define READ_ACK 250 |
| 64 | #define READ 251 |
| 65 | #define REPPLAY_ACK 252 |
| 66 | #define REPPLAY 253 |
| 67 | #define ASYNC 254 |
| 68 | /* don't set 255, it's reserved */ |
| 69 | |
| 70 | char *CmdName[0x100]= { |
| 71 | "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", |
| 72 | "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", |
| 73 | "CdlStop", "CdlPause", "CdlInit", "CdlMute", |
| 74 | "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode", |
| 75 | "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN", |
| 76 | "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock", |
| 77 | "CdlGetclock", "CdlTest", "CdlID", "CdlReadS", |
| 78 | "CdlReset", NULL, "CDlReadToc", NULL |
| 79 | }; |
| 80 | |
| 81 | unsigned char Test04[] = { 0 }; |
| 82 | unsigned char Test05[] = { 0 }; |
| 83 | unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; |
| 84 | unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; |
| 85 | unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; |
| 86 | |
| 87 | // cdr.Stat: |
| 88 | #define NoIntr 0 |
| 89 | #define DataReady 1 |
| 90 | #define Complete 2 |
| 91 | #define Acknowledge 3 |
| 92 | #define DataEnd 4 |
| 93 | #define DiskError 5 |
| 94 | |
| 95 | /* Modes flags */ |
| 96 | #define MODE_SPEED (1<<7) // 0x80 |
| 97 | #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off |
| 98 | #define MODE_SIZE_2340 (1<<5) // 0x20 |
| 99 | #define MODE_SIZE_2328 (1<<4) // 0x10 |
| 100 | #define MODE_SF (1<<3) // 0x08 channel on/off |
| 101 | #define MODE_REPORT (1<<2) // 0x04 |
| 102 | #define MODE_AUTOPAUSE (1<<1) // 0x02 |
| 103 | #define MODE_CDDA (1<<0) // 0x01 |
| 104 | |
| 105 | /* Status flags */ |
| 106 | #define STATUS_PLAY (1<<7) // 0x80 |
| 107 | #define STATUS_SEEK (1<<6) // 0x40 |
| 108 | #define STATUS_READ (1<<5) // 0x20 |
| 109 | #define STATUS_SHELLOPEN (1<<4) // 0x10 |
| 110 | #define STATUS_UNKNOWN3 (1<<3) // 0x08 |
| 111 | #define STATUS_UNKNOWN2 (1<<2) // 0x04 |
| 112 | #define STATUS_ROTATING (1<<1) // 0x02 |
| 113 | #define STATUS_ERROR (1<<0) // 0x01 |
| 114 | |
| 115 | |
| 116 | |
| 117 | // 1x = 75 sectors per second |
| 118 | // PSXCLK = 1 sec in the ps |
| 119 | // so (PSXCLK / 75) = cdr read time (linuzappz) |
| 120 | #define cdReadTime (PSXCLK / 75) |
| 121 | |
| 122 | static struct CdrStat stat; |
| 123 | static struct SubQ *subq; |
| 124 | |
| 125 | static unsigned int msf2sec(char *msf) { |
| 126 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; |
| 127 | } |
| 128 | |
| 129 | static void sec2msf(unsigned int s, char *msf) { |
| 130 | msf[0] = s / 75 / 60; |
| 131 | s = s - msf[0] * 75 * 60; |
| 132 | msf[1] = s / 75; |
| 133 | s = s - msf[1] * 75; |
| 134 | msf[2] = s; |
| 135 | } |
| 136 | |
| 137 | |
| 138 | #define CDR_INT(eCycle) { \ |
| 139 | psxRegs.interrupt |= (1 << PSXINT_CDR); \ |
| 140 | psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \ |
| 141 | psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \ |
| 142 | new_dyna_set_event(PSXINT_CDR, eCycle); \ |
| 143 | } |
| 144 | |
| 145 | #define CDREAD_INT(eCycle) { \ |
| 146 | psxRegs.interrupt |= (1 << PSXINT_CDREAD); \ |
| 147 | psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \ |
| 148 | psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \ |
| 149 | new_dyna_set_event(PSXINT_CDREAD, eCycle); \ |
| 150 | } |
| 151 | |
| 152 | #define CDRLID_INT(eCycle) { \ |
| 153 | psxRegs.interrupt |= (1 << PSXINT_CDRLID); \ |
| 154 | psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \ |
| 155 | psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \ |
| 156 | new_dyna_set_event(PSXINT_CDRLID, eCycle); \ |
| 157 | } |
| 158 | |
| 159 | #define StartReading(type, eCycle) { \ |
| 160 | cdr.Reading = type; \ |
| 161 | cdr.FirstSector = 1; \ |
| 162 | cdr.Readed = 0xff; \ |
| 163 | AddIrqQueue(READ_ACK, eCycle); \ |
| 164 | } |
| 165 | |
| 166 | #define StopReading() { \ |
| 167 | if (cdr.Reading) { \ |
| 168 | cdr.Reading = 0; \ |
| 169 | psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \ |
| 170 | } \ |
| 171 | cdr.StatP &= ~STATUS_READ;\ |
| 172 | } |
| 173 | |
| 174 | #define StopCdda() { \ |
| 175 | if (cdr.Play) { \ |
| 176 | if (!Config.Cdda) CDR_stop(); \ |
| 177 | cdr.StatP &= ~STATUS_PLAY; \ |
| 178 | cdr.Play = FALSE; \ |
| 179 | cdr.FastForward = 0; \ |
| 180 | cdr.FastBackward = 0; \ |
| 181 | /*SPU_registerCallback( SPUirq );*/ \ |
| 182 | } \ |
| 183 | } |
| 184 | |
| 185 | #define SetResultSize(size) { \ |
| 186 | cdr.ResultP = 0; \ |
| 187 | cdr.ResultC = size; \ |
| 188 | cdr.ResultReady = 1; \ |
| 189 | } |
| 190 | |
| 191 | |
| 192 | void cdrLidSeekInterrupt() |
| 193 | { |
| 194 | // turn back on checking |
| 195 | if( cdr.LidCheck == 0x10 ) |
| 196 | { |
| 197 | cdr.LidCheck = 0; |
| 198 | } |
| 199 | |
| 200 | // official lid close |
| 201 | else if( cdr.LidCheck == 0x30 ) |
| 202 | { |
| 203 | // GS CDX 3.3: $13 |
| 204 | cdr.StatP |= STATUS_ROTATING; |
| 205 | |
| 206 | |
| 207 | // GS CDX 3.3 - ~50 getlocp tries |
| 208 | CDRLID_INT( cdReadTime * 3 ); |
| 209 | cdr.LidCheck = 0x40; |
| 210 | } |
| 211 | |
| 212 | // turn off ready |
| 213 | else if( cdr.LidCheck == 0x40 ) |
| 214 | { |
| 215 | // GS CDX 3.3: $01 |
| 216 | cdr.StatP &= ~STATUS_SHELLOPEN; |
| 217 | cdr.StatP &= ~STATUS_ROTATING; |
| 218 | |
| 219 | |
| 220 | // GS CDX 3.3 - ~50 getlocp tries |
| 221 | CDRLID_INT( cdReadTime * 3 ); |
| 222 | cdr.LidCheck = 0x50; |
| 223 | } |
| 224 | |
| 225 | // now seek |
| 226 | else if( cdr.LidCheck == 0x50 ) |
| 227 | { |
| 228 | // GameShark Lite: Start seeking ($42) |
| 229 | cdr.StatP |= STATUS_SEEK; |
| 230 | cdr.StatP |= STATUS_ROTATING; |
| 231 | cdr.StatP &= ~STATUS_ERROR; |
| 232 | |
| 233 | |
| 234 | CDRLID_INT( cdReadTime * 3 ); |
| 235 | cdr.LidCheck = 0x60; |
| 236 | } |
| 237 | |
| 238 | // done = cd ready |
| 239 | else if( cdr.LidCheck == 0x60 ) |
| 240 | { |
| 241 | // GameShark Lite: Seek detection done ($02) |
| 242 | cdr.StatP &= ~STATUS_SEEK; |
| 243 | |
| 244 | cdr.LidCheck = 0; |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | |
| 249 | static void Check_Shell( int Irq ) |
| 250 | { |
| 251 | // check case open/close |
| 252 | if (cdr.LidCheck > 0) |
| 253 | { |
| 254 | #ifdef CDR_LOG |
| 255 | CDR_LOG( "LidCheck\n" ); |
| 256 | #endif |
| 257 | |
| 258 | // $20 = check lid state |
| 259 | if( cdr.LidCheck == 0x20 ) |
| 260 | { |
| 261 | u32 i; |
| 262 | |
| 263 | i = stat.Status; |
| 264 | if (CDR_getStatus(&stat) != -1) |
| 265 | { |
| 266 | if (stat.Type == 0xff) |
| 267 | cdr.Stat = DiskError; |
| 268 | |
| 269 | // case now open |
| 270 | else if (stat.Status & STATUS_SHELLOPEN) |
| 271 | { |
| 272 | // Vib Ribbon: pre-CD swap |
| 273 | StopCdda(); |
| 274 | |
| 275 | |
| 276 | // GameShark Lite: Death if DiskError happens |
| 277 | // |
| 278 | // Vib Ribbon: Needs DiskError for CD swap |
| 279 | |
| 280 | if (Irq != CdlNop) |
| 281 | { |
| 282 | cdr.Stat = DiskError; |
| 283 | |
| 284 | cdr.StatP |= STATUS_ERROR; |
| 285 | cdr.Result[0] |= STATUS_ERROR; |
| 286 | } |
| 287 | |
| 288 | // GameShark Lite: Wants -exactly- $10 |
| 289 | cdr.StatP |= STATUS_SHELLOPEN; |
| 290 | cdr.StatP &= ~STATUS_ROTATING; |
| 291 | |
| 292 | |
| 293 | CDRLID_INT( cdReadTime * 3 ); |
| 294 | cdr.LidCheck = 0x10; |
| 295 | |
| 296 | |
| 297 | // GS CDX 3.3 = $11 |
| 298 | } |
| 299 | |
| 300 | // case just closed |
| 301 | else if ( i & STATUS_SHELLOPEN ) |
| 302 | { |
| 303 | cdr.StatP |= STATUS_ROTATING; |
| 304 | |
| 305 | CheckCdrom(); |
| 306 | |
| 307 | |
| 308 | if( cdr.Stat == NoIntr ) |
| 309 | cdr.Stat = Acknowledge; |
| 310 | |
| 311 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); |
| 312 | |
| 313 | |
| 314 | // begin close-seek-ready cycle |
| 315 | CDRLID_INT( cdReadTime * 3 ); |
| 316 | cdr.LidCheck = 0x30; |
| 317 | |
| 318 | |
| 319 | // GameShark Lite: Wants -exactly- $42, then $02 |
| 320 | // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00 |
| 321 | } |
| 322 | |
| 323 | // case still closed - wait for recheck |
| 324 | else |
| 325 | { |
| 326 | CDRLID_INT( cdReadTime * 3 ); |
| 327 | cdr.LidCheck = 0x10; |
| 328 | } |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | |
| 333 | // GS CDX: clear all values but #1,#2 |
| 334 | if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) ) |
| 335 | { |
| 336 | SetResultSize(16); |
| 337 | memset( cdr.Result, 0, 16 ); |
| 338 | |
| 339 | cdr.Result[0] = cdr.StatP; |
| 340 | |
| 341 | |
| 342 | // GS CDX: special return value |
| 343 | if( cdr.StatP & STATUS_SHELLOPEN ) |
| 344 | { |
| 345 | cdr.Result[1] = 0x80; |
| 346 | } |
| 347 | |
| 348 | |
| 349 | if( cdr.Stat == NoIntr ) |
| 350 | cdr.Stat = Acknowledge; |
| 351 | |
| 352 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); |
| 353 | } |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | |
| 358 | void Find_CurTrack() { |
| 359 | cdr.CurTrack = 0; |
| 360 | |
| 361 | if (CDR_getTN(cdr.ResultTN) != -1) { |
| 362 | int lcv; |
| 363 | |
| 364 | for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) { |
| 365 | if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) { |
| 366 | u32 sect1, sect2; |
| 367 | |
| 368 | #ifdef CDR_LOG___0 |
| 369 | CDR_LOG( "curtrack %d %d %d | %d %d %d | %d\n", |
| 370 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], |
| 371 | cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0], |
| 372 | cdr.CurTrack ); |
| 373 | #endif |
| 374 | |
| 375 | // find next track boundary - only need m:s accuracy |
| 376 | sect1 = cdr.SetSectorPlay[0] * 60 * 75 + cdr.SetSectorPlay[1] * 75; |
| 377 | sect2 = cdr.ResultTD[2] * 60 * 75 + cdr.ResultTD[1] * 75; |
| 378 | |
| 379 | // Twisted Metal 4 - psx cdda pregap (2-sec) |
| 380 | // - fix in-game music |
| 381 | sect2 -= 75 * 2; |
| 382 | |
| 383 | if( sect1 >= sect2 ) { |
| 384 | cdr.CurTrack++; |
| 385 | continue; |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | break; |
| 390 | } |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | static void ReadTrack( u8 *time ) { |
| 395 | cdr.Prev[0] = itob( time[0] ); |
| 396 | cdr.Prev[1] = itob( time[1] ); |
| 397 | cdr.Prev[2] = itob( time[2] ); |
| 398 | |
| 399 | #ifdef CDR_LOG |
| 400 | CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); |
| 401 | #endif |
| 402 | cdr.RErr = CDR_readTrack(cdr.Prev); |
| 403 | } |
| 404 | |
| 405 | |
| 406 | void AddIrqQueue(unsigned char irq, unsigned long ecycle) { |
| 407 | cdr.Irq = irq; |
| 408 | cdr.eCycle = ecycle; |
| 409 | |
| 410 | // Doom: Force rescheduling |
| 411 | // - Fixes boot |
| 412 | CDR_INT(ecycle); |
| 413 | } |
| 414 | |
| 415 | |
| 416 | void Set_Track() |
| 417 | { |
| 418 | if (CDR_getTN(cdr.ResultTN) != -1) { |
| 419 | int lcv; |
| 420 | |
| 421 | for( lcv = 1; lcv < cdr.ResultTN[1]; lcv++ ) { |
| 422 | if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) { |
| 423 | #ifdef CDR_LOG___0 |
| 424 | CDR_LOG( "settrack %d %d %d | %d %d %d | %d\n", |
| 425 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], |
| 426 | cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0], |
| 427 | cdr.CurTrack ); |
| 428 | #endif |
| 429 | |
| 430 | // check if time matches track start (only need min, sec accuracy) |
| 431 | // - m:s:f vs f:s:m |
| 432 | if( cdr.SetSectorPlay[0] == cdr.ResultTD[2] && |
| 433 | cdr.SetSectorPlay[1] == cdr.ResultTD[1] ) { |
| 434 | // skip pregap frames |
| 435 | if( cdr.SetSectorPlay[2] < cdr.ResultTD[0] ) |
| 436 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; |
| 437 | |
| 438 | break; |
| 439 | } |
| 440 | else if( cdr.SetSectorPlay[0] < cdr.ResultTD[2] ) |
| 441 | break; |
| 442 | } |
| 443 | } |
| 444 | } |
| 445 | } |
| 446 | |
| 447 | |
| 448 | static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change; |
| 449 | void Create_Fake_Subq() |
| 450 | { |
| 451 | u8 temp_cur[3], temp_next[3], temp_start[3], pregap; |
| 452 | int diff; |
| 453 | |
| 454 | if (CDR_getTN(cdr.ResultTN) == -1) return; |
| 455 | if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) { |
| 456 | pregap = 150; |
| 457 | if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return; |
| 458 | } else { |
| 459 | // last track - cd size |
| 460 | pregap = 0; |
| 461 | if( CDR_getTD(0, cdr.ResultTD) == -1 ) return; |
| 462 | } |
| 463 | |
| 464 | if( cdr.Play == TRUE ) { |
| 465 | temp_cur[0] = cdr.SetSectorPlay[0]; |
| 466 | temp_cur[1] = cdr.SetSectorPlay[1]; |
| 467 | temp_cur[2] = cdr.SetSectorPlay[2]; |
| 468 | } else { |
| 469 | temp_cur[0] = btoi( cdr.Prev[0] ); |
| 470 | temp_cur[1] = btoi( cdr.Prev[1] ); |
| 471 | temp_cur[2] = btoi( cdr.Prev[2] ); |
| 472 | } |
| 473 | |
| 474 | fake_subq_real[0] = temp_cur[0]; |
| 475 | fake_subq_real[1] = temp_cur[1]; |
| 476 | fake_subq_real[2] = temp_cur[2]; |
| 477 | |
| 478 | temp_next[0] = cdr.ResultTD[2]; |
| 479 | temp_next[1] = cdr.ResultTD[1]; |
| 480 | temp_next[2] = cdr.ResultTD[0]; |
| 481 | |
| 482 | |
| 483 | // flag- next track |
| 484 | if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) { |
| 485 | fake_subq_change = 1; |
| 486 | |
| 487 | cdr.CurTrack++; |
| 488 | |
| 489 | // end cd |
| 490 | if( pregap == 0 ) StopCdda(); |
| 491 | } |
| 492 | |
| 493 | ////////////////////////////////////////////////// |
| 494 | ////////////////////////////////////////////////// |
| 495 | |
| 496 | // repair |
| 497 | if( cdr.CurTrack <= cdr.ResultTN[1] ) { |
| 498 | if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return; |
| 499 | } else { |
| 500 | // last track - cd size |
| 501 | if( CDR_getTD(0, cdr.ResultTD) == -1 ) return; |
| 502 | } |
| 503 | |
| 504 | temp_start[0] = cdr.ResultTD[2]; |
| 505 | temp_start[1] = cdr.ResultTD[1]; |
| 506 | temp_start[2] = cdr.ResultTD[0]; |
| 507 | |
| 508 | |
| 509 | #ifdef CDR_LOG |
| 510 | CDR_LOG( "CDDA FAKE SUB - %d:%d:%d / %d:%d:%d / %d:%d:%d\n", |
| 511 | temp_cur[0], temp_cur[1], temp_cur[2], |
| 512 | temp_start[0], temp_start[1], temp_start[2], |
| 513 | temp_next[0], temp_next[1], temp_next[2]); |
| 514 | #endif |
| 515 | |
| 516 | |
| 517 | |
| 518 | // local time - pregap / real |
| 519 | diff = msf2sec(temp_cur) - msf2sec( temp_start ); |
| 520 | if( diff < 0 ) { |
| 521 | fake_subq_index = 0; |
| 522 | |
| 523 | sec2msf( -diff, fake_subq_local ); |
| 524 | } else { |
| 525 | fake_subq_index = 1; |
| 526 | |
| 527 | sec2msf( diff, fake_subq_local ); |
| 528 | } |
| 529 | } |
| 530 | |
| 531 | |
| 532 | void cdrInterrupt() { |
| 533 | int i; |
| 534 | unsigned char Irq = cdr.Irq; |
| 535 | |
| 536 | // Reschedule IRQ |
| 537 | if (cdr.Stat) { |
| 538 | CDR_INT( 0x100 ); |
| 539 | return; |
| 540 | } |
| 541 | |
| 542 | cdr.Irq = 0xff; |
| 543 | cdr.Ctrl &= ~0x80; |
| 544 | |
| 545 | switch (Irq) { |
| 546 | case CdlSync: |
| 547 | SetResultSize(1); |
| 548 | cdr.StatP |= STATUS_ROTATING; |
| 549 | cdr.Result[0] = cdr.StatP; |
| 550 | cdr.Stat = Acknowledge; |
| 551 | break; |
| 552 | |
| 553 | case CdlNop: |
| 554 | SetResultSize(1); |
| 555 | cdr.Result[0] = cdr.StatP; |
| 556 | cdr.Stat = Acknowledge; |
| 557 | |
| 558 | if (cdr.LidCheck == 0) cdr.LidCheck = 0x20; |
| 559 | break; |
| 560 | |
| 561 | case CdlSetloc: |
| 562 | cdr.CmdProcess = 0; |
| 563 | SetResultSize(1); |
| 564 | cdr.StatP |= STATUS_ROTATING; |
| 565 | cdr.Result[0] = cdr.StatP; |
| 566 | cdr.Stat = Acknowledge; |
| 567 | break; |
| 568 | |
| 569 | case CdlPlay: |
| 570 | fake_subq_change = 0; |
| 571 | |
| 572 | if( cdr.Seeked == FALSE ) { |
| 573 | memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 ); |
| 574 | cdr.Seeked = TRUE; |
| 575 | } |
| 576 | |
| 577 | /* |
| 578 | Rayman: detect track changes |
| 579 | - fixes logo freeze |
| 580 | |
| 581 | Twisted Metal 2: skip PREGAP + starting accurate SubQ |
| 582 | - plays tracks without retry play |
| 583 | |
| 584 | Wild 9: skip PREGAP + starting accurate SubQ |
| 585 | - plays tracks without retry play |
| 586 | */ |
| 587 | Set_Track(); |
| 588 | Find_CurTrack(); |
| 589 | ReadTrack( cdr.SetSectorPlay ); |
| 590 | |
| 591 | |
| 592 | // GameShark CD Player: Calls 2x + Play 2x |
| 593 | if( cdr.FastBackward || cdr.FastForward ) { |
| 594 | if( cdr.FastForward ) cdr.FastForward--; |
| 595 | if( cdr.FastBackward ) cdr.FastBackward--; |
| 596 | |
| 597 | if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) { |
| 598 | if( cdr.Play && CDR_getStatus(&stat) != -1 ) { |
| 599 | cdr.SetSectorPlay[0] = stat.Time[0]; |
| 600 | cdr.SetSectorPlay[1] = stat.Time[1]; |
| 601 | cdr.SetSectorPlay[2] = stat.Time[2]; |
| 602 | } |
| 603 | } |
| 604 | } |
| 605 | |
| 606 | |
| 607 | if (!Config.Cdda) { |
| 608 | // BIOS CD Player |
| 609 | // - Pause player, hit Track 01/02/../xx (Setloc issued!!) |
| 610 | |
| 611 | // GameShark CD Player: Resume play |
| 612 | if( cdr.ParamC == 0 ) { |
| 613 | #ifdef CDR_LOG___0 |
| 614 | CDR_LOG( "PLAY Resume @ %d:%d:%d\n", |
| 615 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); |
| 616 | #endif |
| 617 | |
| 618 | //CDR_play( cdr.SetSectorPlay ); |
| 619 | } |
| 620 | else |
| 621 | { |
| 622 | // BIOS CD Player: Resume play |
| 623 | if( cdr.Param[0] == 0 ) { |
| 624 | #ifdef CDR_LOG___0 |
| 625 | CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n", |
| 626 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); |
| 627 | #endif |
| 628 | |
| 629 | //CDR_play( cdr.SetSectorPlay ); |
| 630 | } |
| 631 | else { |
| 632 | #ifdef CDR_LOG___0 |
| 633 | CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n", |
| 634 | cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] ); |
| 635 | #endif |
| 636 | |
| 637 | // BIOS CD Player: Allow track replaying |
| 638 | StopCdda(); |
| 639 | |
| 640 | |
| 641 | cdr.CurTrack = btoi( cdr.Param[0] ); |
| 642 | |
| 643 | if (CDR_getTN(cdr.ResultTN) != -1) { |
| 644 | // check last track |
| 645 | if (cdr.CurTrack > cdr.ResultTN[1]) |
| 646 | cdr.CurTrack = cdr.ResultTN[1]; |
| 647 | |
| 648 | if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) { |
| 649 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; |
| 650 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; |
| 651 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; |
| 652 | |
| 653 | // reset data |
| 654 | Set_Track(); |
| 655 | Find_CurTrack(); |
| 656 | ReadTrack( cdr.SetSectorPlay ); |
| 657 | |
| 658 | //CDR_play(cdr.SetSectorPlay); |
| 659 | } |
| 660 | } |
| 661 | } |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | |
| 666 | // Vib Ribbon: gameplay checks flag |
| 667 | cdr.StatP &= ~STATUS_SEEK; |
| 668 | |
| 669 | |
| 670 | cdr.CmdProcess = 0; |
| 671 | SetResultSize(1); |
| 672 | cdr.StatP |= STATUS_ROTATING; |
| 673 | cdr.Result[0] = cdr.StatP; |
| 674 | cdr.Stat = Acknowledge; |
| 675 | |
| 676 | cdr.StatP |= STATUS_PLAY; |
| 677 | |
| 678 | |
| 679 | // BIOS player - set flag again |
| 680 | cdr.Play = TRUE; |
| 681 | |
| 682 | // TODO? |
| 683 | // CDRPLAY_INT( cdReadTime ); |
| 684 | break; |
| 685 | |
| 686 | case CdlForward: |
| 687 | cdr.CmdProcess = 0; |
| 688 | SetResultSize(1); |
| 689 | cdr.StatP |= STATUS_ROTATING; |
| 690 | cdr.Result[0] = cdr.StatP; |
| 691 | cdr.Stat = Complete; |
| 692 | |
| 693 | |
| 694 | // GameShark CD Player: Calls 2x + Play 2x |
| 695 | if( cdr.FastForward == 0 ) cdr.FastForward = 2; |
| 696 | else cdr.FastForward++; |
| 697 | |
| 698 | cdr.FastBackward = 0; |
| 699 | break; |
| 700 | |
| 701 | case CdlBackward: |
| 702 | cdr.CmdProcess = 0; |
| 703 | SetResultSize(1); |
| 704 | cdr.StatP |= STATUS_ROTATING; |
| 705 | cdr.Result[0] = cdr.StatP; |
| 706 | cdr.Stat = Complete; |
| 707 | |
| 708 | |
| 709 | // GameShark CD Player: Calls 2x + Play 2x |
| 710 | if( cdr.FastBackward == 0 ) cdr.FastBackward = 2; |
| 711 | else cdr.FastBackward++; |
| 712 | |
| 713 | cdr.FastForward = 0; |
| 714 | break; |
| 715 | |
| 716 | case CdlStandby: |
| 717 | cdr.CmdProcess = 0; |
| 718 | SetResultSize(1); |
| 719 | cdr.StatP |= STATUS_ROTATING; |
| 720 | cdr.Result[0] = cdr.StatP; |
| 721 | cdr.Stat = Complete; |
| 722 | break; |
| 723 | |
| 724 | case CdlStop: |
| 725 | cdr.CmdProcess = 0; |
| 726 | SetResultSize(1); |
| 727 | cdr.StatP &= ~STATUS_ROTATING; |
| 728 | cdr.Result[0] = cdr.StatP; |
| 729 | cdr.Stat = Complete; |
| 730 | // cdr.Stat = Acknowledge; |
| 731 | |
| 732 | if (cdr.LidCheck == 0) cdr.LidCheck = 0x20; |
| 733 | break; |
| 734 | |
| 735 | case CdlPause: |
| 736 | SetResultSize(1); |
| 737 | cdr.Result[0] = cdr.StatP; |
| 738 | cdr.Stat = Acknowledge; |
| 739 | |
| 740 | AddIrqQueue(CdlPause + 0x20, 0x800); |
| 741 | cdr.Ctrl |= 0x80; |
| 742 | break; |
| 743 | |
| 744 | case CdlPause + 0x20: |
| 745 | SetResultSize(1); |
| 746 | cdr.StatP &= ~STATUS_READ; |
| 747 | cdr.StatP |= STATUS_ROTATING; |
| 748 | cdr.Result[0] = cdr.StatP; |
| 749 | cdr.Stat = Complete; |
| 750 | break; |
| 751 | |
| 752 | case CdlInit: |
| 753 | SetResultSize(1); |
| 754 | cdr.StatP = STATUS_ROTATING; |
| 755 | cdr.Result[0] = cdr.StatP; |
| 756 | cdr.Stat = Acknowledge; |
| 757 | // if (!cdr.Init) { |
| 758 | AddIrqQueue(CdlInit + 0x20, 0x800); |
| 759 | // } |
| 760 | break; |
| 761 | |
| 762 | case CdlInit + 0x20: |
| 763 | SetResultSize(1); |
| 764 | cdr.Result[0] = cdr.StatP; |
| 765 | cdr.Stat = Complete; |
| 766 | cdr.Init = 1; |
| 767 | break; |
| 768 | |
| 769 | case CdlMute: |
| 770 | SetResultSize(1); |
| 771 | cdr.StatP |= STATUS_ROTATING; |
| 772 | cdr.Result[0] = cdr.StatP; |
| 773 | cdr.Stat = Acknowledge; |
| 774 | break; |
| 775 | |
| 776 | case CdlDemute: |
| 777 | SetResultSize(1); |
| 778 | cdr.StatP |= STATUS_ROTATING; |
| 779 | cdr.Result[0] = cdr.StatP; |
| 780 | cdr.Stat = Acknowledge; |
| 781 | break; |
| 782 | |
| 783 | case CdlSetfilter: |
| 784 | SetResultSize(1); |
| 785 | cdr.StatP |= STATUS_ROTATING; |
| 786 | cdr.Result[0] = cdr.StatP; |
| 787 | cdr.Stat = Acknowledge; |
| 788 | break; |
| 789 | |
| 790 | case CdlSetmode: |
| 791 | SetResultSize(1); |
| 792 | cdr.StatP |= STATUS_ROTATING; |
| 793 | cdr.Result[0] = cdr.StatP; |
| 794 | cdr.Stat = Acknowledge; |
| 795 | break; |
| 796 | |
| 797 | case CdlGetmode: |
| 798 | SetResultSize(6); |
| 799 | cdr.StatP |= STATUS_ROTATING; |
| 800 | cdr.Result[0] = cdr.StatP; |
| 801 | cdr.Result[1] = cdr.Mode; |
| 802 | cdr.Result[2] = cdr.File; |
| 803 | cdr.Result[3] = cdr.Channel; |
| 804 | cdr.Result[4] = 0; |
| 805 | cdr.Result[5] = 0; |
| 806 | cdr.Stat = Acknowledge; |
| 807 | break; |
| 808 | |
| 809 | case CdlGetlocL: |
| 810 | SetResultSize(8); |
| 811 | for (i = 0; i < 8; i++) |
| 812 | cdr.Result[i] = cdr.Transfer[i]; |
| 813 | cdr.Stat = Acknowledge; |
| 814 | break; |
| 815 | |
| 816 | case CdlGetlocP: |
| 817 | // GameShark CDX CD Player: uses 17 bytes output (wraps around) |
| 818 | SetResultSize(17); |
| 819 | memset( cdr.Result, 0, 16 ); |
| 820 | |
| 821 | subq = (struct SubQ *)CDR_getBufferSub(); |
| 822 | |
| 823 | if (subq != NULL) { |
| 824 | cdr.Result[0] = subq->TrackNumber; |
| 825 | cdr.Result[1] = subq->IndexNumber; |
| 826 | memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3); |
| 827 | memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3); |
| 828 | |
| 829 | |
| 830 | // subQ integrity check - data only (skip audio) |
| 831 | if( subq->TrackNumber == 1 && stat.Type == 0x01 ) { |
| 832 | if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) { |
| 833 | memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data |
| 834 | } |
| 835 | } |
| 836 | } else { |
| 837 | if( cdr.Play == FALSE ) Create_Fake_Subq(); |
| 838 | |
| 839 | |
| 840 | // track # / index # |
| 841 | cdr.Result[0] = itob(cdr.CurTrack); |
| 842 | cdr.Result[1] = itob(fake_subq_index); |
| 843 | |
| 844 | // local |
| 845 | cdr.Result[2] = itob( fake_subq_local[0] ); |
| 846 | cdr.Result[3] = itob( fake_subq_local[1] ); |
| 847 | cdr.Result[4] = itob( fake_subq_local[2] ); |
| 848 | |
| 849 | // absolute |
| 850 | cdr.Result[5] = itob( fake_subq_real[0] ); |
| 851 | cdr.Result[6] = itob( fake_subq_real[1] ); |
| 852 | cdr.Result[7] = itob( fake_subq_real[2] ); |
| 853 | } |
| 854 | |
| 855 | // redump.org - wipe time |
| 856 | /*if( !cdr.Play && CheckSBI(cdr.Result+5) ) { |
| 857 | memset( cdr.Result+2, 0, 6 ); |
| 858 | } |
| 859 | */ |
| 860 | |
| 861 | cdr.Stat = Acknowledge; |
| 862 | break; |
| 863 | |
| 864 | case CdlGetTN: |
| 865 | // 5-Star Racing: don't stop CDDA |
| 866 | // |
| 867 | // Vib Ribbon: CD swap |
| 868 | StopReading(); |
| 869 | |
| 870 | cdr.CmdProcess = 0; |
| 871 | SetResultSize(3); |
| 872 | cdr.StatP |= STATUS_ROTATING; |
| 873 | cdr.Result[0] = cdr.StatP; |
| 874 | if (CDR_getTN(cdr.ResultTN) == -1) { |
| 875 | cdr.Stat = DiskError; |
| 876 | cdr.Result[0] |= STATUS_ERROR; |
| 877 | } else { |
| 878 | cdr.Stat = Acknowledge; |
| 879 | cdr.Result[1] = itob(cdr.ResultTN[0]); |
| 880 | cdr.Result[2] = itob(cdr.ResultTN[1]); |
| 881 | } |
| 882 | break; |
| 883 | |
| 884 | case CdlGetTD: |
| 885 | cdr.CmdProcess = 0; |
| 886 | cdr.Track = btoi(cdr.Param[0]); |
| 887 | SetResultSize(4); |
| 888 | cdr.StatP |= STATUS_ROTATING; |
| 889 | if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) { |
| 890 | cdr.Stat = DiskError; |
| 891 | cdr.Result[0] |= STATUS_ERROR; |
| 892 | } else { |
| 893 | cdr.Stat = Acknowledge; |
| 894 | cdr.Result[0] = cdr.StatP; |
| 895 | cdr.Result[1] = itob(cdr.ResultTD[2]); |
| 896 | cdr.Result[2] = itob(cdr.ResultTD[1]); |
| 897 | cdr.Result[3] = itob(cdr.ResultTD[0]); |
| 898 | } |
| 899 | break; |
| 900 | |
| 901 | case CdlSeekL: |
| 902 | SetResultSize(1); |
| 903 | cdr.StatP |= STATUS_ROTATING; |
| 904 | cdr.Result[0] = cdr.StatP; |
| 905 | cdr.StatP |= STATUS_SEEK; |
| 906 | cdr.Stat = Acknowledge; |
| 907 | |
| 908 | /* |
| 909 | Crusaders of Might and Magic = 0.5x-4x |
| 910 | - fix cutscene speech start |
| 911 | |
| 912 | Eggs of Steel = 2x-? |
| 913 | - fix new game |
| 914 | |
| 915 | Medievil = ?-4x |
| 916 | - fix cutscene speech |
| 917 | |
| 918 | Rockman X5 = 0.5-4x |
| 919 | - fix capcom logo |
| 920 | */ |
| 921 | AddIrqQueue(CdlSeekL + 0x20, cdReadTime * 4); |
| 922 | break; |
| 923 | |
| 924 | case CdlSeekL + 0x20: |
| 925 | SetResultSize(1); |
| 926 | cdr.StatP |= STATUS_ROTATING; |
| 927 | cdr.StatP &= ~STATUS_SEEK; |
| 928 | cdr.Result[0] = cdr.StatP; |
| 929 | cdr.Seeked = TRUE; |
| 930 | cdr.Stat = Complete; |
| 931 | |
| 932 | |
| 933 | // Mega Man Legends 2: must update read cursor for getlocp |
| 934 | ReadTrack( cdr.SetSector ); |
| 935 | break; |
| 936 | |
| 937 | case CdlSeekP: |
| 938 | SetResultSize(1); |
| 939 | cdr.StatP |= STATUS_ROTATING; |
| 940 | cdr.Result[0] = cdr.StatP; |
| 941 | cdr.StatP |= STATUS_SEEK; |
| 942 | cdr.Stat = Acknowledge; |
| 943 | AddIrqQueue(CdlSeekP + 0x20, cdReadTime * 1); |
| 944 | break; |
| 945 | |
| 946 | case CdlSeekP + 0x20: |
| 947 | SetResultSize(1); |
| 948 | cdr.StatP |= STATUS_ROTATING; |
| 949 | cdr.StatP &= ~STATUS_SEEK; |
| 950 | cdr.Result[0] = cdr.StatP; |
| 951 | cdr.Stat = Complete; |
| 952 | cdr.Seeked = TRUE; |
| 953 | |
| 954 | // GameShark Music Player |
| 955 | memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 ); |
| 956 | |
| 957 | // Tomb Raider 2: must update read cursor for getlocp |
| 958 | Find_CurTrack(); |
| 959 | ReadTrack( cdr.SetSectorPlay ); |
| 960 | break; |
| 961 | |
| 962 | case CdlTest: |
| 963 | cdr.Stat = Acknowledge; |
| 964 | switch (cdr.Param[0]) { |
| 965 | case 0x20: // System Controller ROM Version |
| 966 | SetResultSize(4); |
| 967 | memcpy(cdr.Result, Test20, 4); |
| 968 | break; |
| 969 | case 0x22: |
| 970 | SetResultSize(8); |
| 971 | memcpy(cdr.Result, Test22, 4); |
| 972 | break; |
| 973 | case 0x23: case 0x24: |
| 974 | SetResultSize(8); |
| 975 | memcpy(cdr.Result, Test23, 4); |
| 976 | break; |
| 977 | } |
| 978 | break; |
| 979 | |
| 980 | case CdlID: |
| 981 | SetResultSize(1); |
| 982 | cdr.StatP |= STATUS_ROTATING; |
| 983 | cdr.Result[0] = cdr.StatP; |
| 984 | cdr.Stat = Acknowledge; |
| 985 | AddIrqQueue(CdlID + 0x20, 0x800); |
| 986 | break; |
| 987 | |
| 988 | case CdlID + 0x20: |
| 989 | SetResultSize(8); |
| 990 | |
| 991 | if (CDR_getStatus(&stat) == -1) { |
| 992 | cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player |
| 993 | cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD |
| 994 | } |
| 995 | else { |
| 996 | if (stat.Type == 2) { |
| 997 | // Music CD |
| 998 | cdr.Result[0] = 0x08; |
| 999 | cdr.Result[1] = 0x10; |
| 1000 | |
| 1001 | cdr.Result[1] |= 0x80; |
| 1002 | } |
| 1003 | else { |
| 1004 | // Data CD |
| 1005 | if (CdromId[0] == '\0') { |
| 1006 | cdr.Result[0] = 0x00; |
| 1007 | cdr.Result[1] = 0x80; |
| 1008 | } |
| 1009 | else { |
| 1010 | cdr.Result[0] = 0x08; |
| 1011 | cdr.Result[1] = 0x00; |
| 1012 | } |
| 1013 | } |
| 1014 | } |
| 1015 | |
| 1016 | cdr.Result[2] = 0x00; |
| 1017 | cdr.Result[3] = 0x00; |
| 1018 | strncpy((char *)&cdr.Result[4], "PCSX", 4); |
| 1019 | cdr.Stat = Complete; |
| 1020 | break; |
| 1021 | |
| 1022 | case CdlReset: |
| 1023 | SetResultSize(1); |
| 1024 | cdr.StatP = STATUS_ROTATING; |
| 1025 | cdr.Result[0] = cdr.StatP; |
| 1026 | cdr.Stat = Acknowledge; |
| 1027 | break; |
| 1028 | |
| 1029 | case CdlReadT: |
| 1030 | SetResultSize(1); |
| 1031 | cdr.StatP |= STATUS_ROTATING; |
| 1032 | cdr.Result[0] = cdr.StatP; |
| 1033 | cdr.Stat = Acknowledge; |
| 1034 | AddIrqQueue(CdlReadT + 0x20, 0x800); |
| 1035 | break; |
| 1036 | |
| 1037 | case CdlReadT + 0x20: |
| 1038 | SetResultSize(1); |
| 1039 | cdr.StatP |= STATUS_ROTATING; |
| 1040 | cdr.Result[0] = cdr.StatP; |
| 1041 | cdr.Stat = Complete; |
| 1042 | break; |
| 1043 | |
| 1044 | case CdlReadToc: |
| 1045 | SetResultSize(1); |
| 1046 | cdr.StatP |= STATUS_ROTATING; |
| 1047 | cdr.Result[0] = cdr.StatP; |
| 1048 | cdr.Stat = Acknowledge; |
| 1049 | AddIrqQueue(CdlReadToc + 0x20, 0x800); |
| 1050 | break; |
| 1051 | |
| 1052 | case CdlReadToc + 0x20: |
| 1053 | SetResultSize(1); |
| 1054 | cdr.StatP |= STATUS_ROTATING; |
| 1055 | cdr.Result[0] = cdr.StatP; |
| 1056 | cdr.Stat = Complete; |
| 1057 | break; |
| 1058 | |
| 1059 | case AUTOPAUSE: |
| 1060 | cdr.OCUP = 0; |
| 1061 | /* SetResultSize(1); |
| 1062 | StopCdda(); |
| 1063 | StopReading(); |
| 1064 | cdr.OCUP = 0; |
| 1065 | cdr.StatP&=~0x20; |
| 1066 | cdr.StatP|= 0x2; |
| 1067 | cdr.Result[0] = cdr.StatP; |
| 1068 | cdr.Stat = DataEnd; |
| 1069 | */ AddIrqQueue(CdlPause, 0x800); |
| 1070 | break; |
| 1071 | |
| 1072 | case READ_ACK: |
| 1073 | if (!cdr.Reading) return; |
| 1074 | |
| 1075 | |
| 1076 | // Fighting Force 2 - update subq time immediately |
| 1077 | // - fixes new game |
| 1078 | ReadTrack( cdr.SetSector ); |
| 1079 | |
| 1080 | |
| 1081 | // Crusaders of Might and Magic - update getlocl now |
| 1082 | // - fixes cutscene speech |
| 1083 | { |
| 1084 | u8 *buf = CDR_getBuffer(); |
| 1085 | memcpy(cdr.Transfer, buf, 8); |
| 1086 | } |
| 1087 | |
| 1088 | |
| 1089 | /* |
| 1090 | Duke Nukem: Land of the Babes - seek then delay read for one frame |
| 1091 | - fixes cutscenes |
| 1092 | */ |
| 1093 | |
| 1094 | if (!cdr.Seeked) { |
| 1095 | cdr.Seeked = TRUE; |
| 1096 | |
| 1097 | cdr.StatP |= STATUS_SEEK; |
| 1098 | cdr.StatP &= ~STATUS_READ; |
| 1099 | |
| 1100 | // Crusaders of Might and Magic - use short time |
| 1101 | // - fix cutscene speech (startup) |
| 1102 | |
| 1103 | // ??? - use more accurate seek time later |
| 1104 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1); |
| 1105 | } else { |
| 1106 | cdr.StatP |= STATUS_READ; |
| 1107 | cdr.StatP &= ~STATUS_SEEK; |
| 1108 | |
| 1109 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1); |
| 1110 | } |
| 1111 | |
| 1112 | SetResultSize(1); |
| 1113 | cdr.StatP |= STATUS_ROTATING; |
| 1114 | cdr.Result[0] = cdr.StatP; |
| 1115 | cdr.Stat = Acknowledge; |
| 1116 | break; |
| 1117 | |
| 1118 | case 0xff: |
| 1119 | return; |
| 1120 | |
| 1121 | default: |
| 1122 | cdr.Stat = Complete; |
| 1123 | break; |
| 1124 | } |
| 1125 | |
| 1126 | Check_Shell( Irq ); |
| 1127 | |
| 1128 | if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) { |
| 1129 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); |
| 1130 | } |
| 1131 | |
| 1132 | #ifdef CDR_LOG |
| 1133 | CDR_LOG("cdrInterrupt() Log: CDR Interrupt IRQ %x\n", Irq); |
| 1134 | #endif |
| 1135 | } |
| 1136 | |
| 1137 | void cdrReadInterrupt() { |
| 1138 | u8 *buf; |
| 1139 | |
| 1140 | if (!cdr.Reading) |
| 1141 | return; |
| 1142 | |
| 1143 | if (cdr.Irq || cdr.Stat) { |
| 1144 | CDREAD_INT(0x100); |
| 1145 | return; |
| 1146 | } |
| 1147 | |
| 1148 | #ifdef CDR_LOG |
| 1149 | CDR_LOG("cdrReadInterrupt() Log: KEY END"); |
| 1150 | #endif |
| 1151 | |
| 1152 | cdr.OCUP = 1; |
| 1153 | SetResultSize(1); |
| 1154 | cdr.StatP |= STATUS_READ|STATUS_ROTATING; |
| 1155 | cdr.StatP &= ~STATUS_SEEK; |
| 1156 | cdr.Result[0] = cdr.StatP; |
| 1157 | |
| 1158 | ReadTrack( cdr.SetSector ); |
| 1159 | |
| 1160 | buf = CDR_getBuffer(); |
| 1161 | if (buf == NULL) |
| 1162 | cdr.RErr = -1; |
| 1163 | |
| 1164 | if (cdr.RErr == -1) { |
| 1165 | #ifdef CDR_LOG |
| 1166 | fprintf(emuLog, "cdrReadInterrupt() Log: err\n"); |
| 1167 | #endif |
| 1168 | memset(cdr.Transfer, 0, DATA_SIZE); |
| 1169 | cdr.Stat = DiskError; |
| 1170 | cdr.Result[0] |= STATUS_ERROR; |
| 1171 | CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); |
| 1172 | return; |
| 1173 | } |
| 1174 | |
| 1175 | memcpy(cdr.Transfer, buf, DATA_SIZE); |
| 1176 | CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); |
| 1177 | |
| 1178 | |
| 1179 | #ifdef CDR_LOG |
| 1180 | fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); |
| 1181 | #endif |
| 1182 | |
| 1183 | if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA |
| 1184 | // Firemen 2: Multi-XA files - briefings, cutscenes |
| 1185 | if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) { |
| 1186 | cdr.File = cdr.Transfer[4 + 0]; |
| 1187 | cdr.Channel = cdr.Transfer[4 + 1]; |
| 1188 | } |
| 1189 | |
| 1190 | if ((cdr.Transfer[4 + 2] & 0x4) && |
| 1191 | (cdr.Transfer[4 + 1] == cdr.Channel) && |
| 1192 | (cdr.Transfer[4 + 0] == cdr.File)) { |
| 1193 | int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector); |
| 1194 | |
| 1195 | if (!ret) { |
| 1196 | SPU_playADPCMchannel(&cdr.Xa); |
| 1197 | cdr.FirstSector = 0; |
| 1198 | |
| 1199 | |
| 1200 | // Crash Team Racing: music, speech |
| 1201 | |
| 1202 | // signal ADPCM data ready |
| 1203 | psxHu32ref(0x1070) |= SWAP32((u32)0x200); |
| 1204 | } |
| 1205 | else cdr.FirstSector = -1; |
| 1206 | } |
| 1207 | } |
| 1208 | |
| 1209 | cdr.SetSector[2]++; |
| 1210 | if (cdr.SetSector[2] == 75) { |
| 1211 | cdr.SetSector[2] = 0; |
| 1212 | cdr.SetSector[1]++; |
| 1213 | if (cdr.SetSector[1] == 60) { |
| 1214 | cdr.SetSector[1] = 0; |
| 1215 | cdr.SetSector[0]++; |
| 1216 | } |
| 1217 | } |
| 1218 | |
| 1219 | cdr.Readed = 0; |
| 1220 | |
| 1221 | // G-Police: Don't autopause ADPCM even if mode set (music) |
| 1222 | if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) && |
| 1223 | (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF |
| 1224 | #ifdef CDR_LOG |
| 1225 | CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n"); |
| 1226 | #endif |
| 1227 | // AddIrqQueue(AUTOPAUSE, 0x2000); |
| 1228 | AddIrqQueue(CdlPause, 0x2000); |
| 1229 | } |
| 1230 | else { |
| 1231 | CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime); |
| 1232 | } |
| 1233 | |
| 1234 | /* |
| 1235 | Croc 2: $40 - only FORM1 (*) |
| 1236 | Judge Dredd: $C8 - only FORM1 (*) |
| 1237 | Sim Theme Park - no adpcm at all (zero) |
| 1238 | */ |
| 1239 | |
| 1240 | if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) { |
| 1241 | cdr.Stat = DataReady; |
| 1242 | } else { |
| 1243 | // Breath of Fire 3 - fix inn sleeping |
| 1244 | // Rockman X5 - no music restart problem |
| 1245 | cdr.Stat = NoIntr; |
| 1246 | } |
| 1247 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); |
| 1248 | |
| 1249 | Check_Shell(0); |
| 1250 | } |
| 1251 | |
| 1252 | /* |
| 1253 | cdrRead0: |
| 1254 | bit 0 - 0 REG1 command send / 1 REG1 data read |
| 1255 | bit 1 - 0 data transfer finish / 1 data transfer ready/in progress |
| 1256 | bit 2 - unknown |
| 1257 | bit 3 - unknown |
| 1258 | bit 4 - unknown |
| 1259 | bit 5 - 1 result ready |
| 1260 | bit 6 - 1 dma ready |
| 1261 | bit 7 - 1 command being processed |
| 1262 | */ |
| 1263 | |
| 1264 | unsigned char cdrRead0(void) { |
| 1265 | if (cdr.ResultReady) |
| 1266 | cdr.Ctrl |= 0x20; |
| 1267 | else |
| 1268 | cdr.Ctrl &= ~0x20; |
| 1269 | |
| 1270 | if (cdr.OCUP) |
| 1271 | cdr.Ctrl |= 0x40; |
| 1272 | // else |
| 1273 | // cdr.Ctrl &= ~0x40; |
| 1274 | |
| 1275 | // What means the 0x10 and the 0x08 bits? I only saw it used by the bios |
| 1276 | cdr.Ctrl |= 0x18; |
| 1277 | |
| 1278 | #ifdef CDR_LOG |
| 1279 | CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl); |
| 1280 | #endif |
| 1281 | |
| 1282 | return psxHu8(0x1800) = cdr.Ctrl; |
| 1283 | } |
| 1284 | |
| 1285 | /* |
| 1286 | cdrWrite0: |
| 1287 | 0 - to send a command / 1 - to get the result |
| 1288 | */ |
| 1289 | |
| 1290 | void cdrWrite0(unsigned char rt) { |
| 1291 | #ifdef CDR_LOG |
| 1292 | CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt); |
| 1293 | #endif |
| 1294 | cdr.Ctrl = rt | (cdr.Ctrl & ~0x3); |
| 1295 | |
| 1296 | if (rt == 0) { |
| 1297 | cdr.ParamP = 0; |
| 1298 | cdr.ParamC = 0; |
| 1299 | cdr.ResultReady = 0; |
| 1300 | } |
| 1301 | } |
| 1302 | |
| 1303 | unsigned char cdrRead1(void) { |
| 1304 | if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) { |
| 1305 | // GameShark CDX CD Player: uses 17 bytes output (wraps around) |
| 1306 | psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf]; |
| 1307 | cdr.ResultP++; |
| 1308 | if (cdr.ResultP == cdr.ResultC) |
| 1309 | cdr.ResultReady = 0; |
| 1310 | } else { |
| 1311 | psxHu8(0x1801) = 0; |
| 1312 | } |
| 1313 | #ifdef CDR_LOG |
| 1314 | CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801)); |
| 1315 | #endif |
| 1316 | return psxHu8(0x1801); |
| 1317 | } |
| 1318 | |
| 1319 | void cdrWrite1(unsigned char rt) { |
| 1320 | int i; |
| 1321 | |
| 1322 | #ifdef CDR_LOG |
| 1323 | CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]); |
| 1324 | #endif |
| 1325 | |
| 1326 | |
| 1327 | // Tekken: CDXA fade-out |
| 1328 | if( (cdr.Ctrl & 3) == 3 ) { |
| 1329 | //cdr.AttenuatorRight[0] = rt; |
| 1330 | } |
| 1331 | |
| 1332 | |
| 1333 | // psxHu8(0x1801) = rt; |
| 1334 | cdr.Cmd = rt; |
| 1335 | cdr.OCUP = 0; |
| 1336 | |
| 1337 | #ifdef CDRCMD_DEBUG |
| 1338 | SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]); |
| 1339 | if (cdr.ParamC) { |
| 1340 | SysPrintf(" Param[%d] = {", cdr.ParamC); |
| 1341 | for (i = 0; i < cdr.ParamC; i++) |
| 1342 | SysPrintf(" %x,", cdr.Param[i]); |
| 1343 | SysPrintf("}\n"); |
| 1344 | } else { |
| 1345 | SysPrintf("\n"); |
| 1346 | } |
| 1347 | #endif |
| 1348 | |
| 1349 | if (cdr.Ctrl & 0x1) return; |
| 1350 | |
| 1351 | switch (cdr.Cmd) { |
| 1352 | case CdlSync: |
| 1353 | cdr.Ctrl |= 0x80; |
| 1354 | cdr.Stat = NoIntr; |
| 1355 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1356 | break; |
| 1357 | |
| 1358 | case CdlNop: |
| 1359 | cdr.Ctrl |= 0x80; |
| 1360 | cdr.Stat = NoIntr; |
| 1361 | |
| 1362 | // Twisted Metal 3 - fix music |
| 1363 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1364 | break; |
| 1365 | |
| 1366 | case CdlSetloc: |
| 1367 | StopReading(); |
| 1368 | cdr.Seeked = FALSE; |
| 1369 | for (i = 0; i < 3; i++) |
| 1370 | cdr.SetSector[i] = btoi(cdr.Param[i]); |
| 1371 | cdr.SetSector[3] = 0; |
| 1372 | |
| 1373 | /* |
| 1374 | if ((cdr.SetSector[0] | cdr.SetSector[1] | cdr.SetSector[2]) == 0) { |
| 1375 | *(u32 *)cdr.SetSector = *(u32 *)cdr.SetSectorSeek; |
| 1376 | }*/ |
| 1377 | |
| 1378 | cdr.Ctrl |= 0x80; |
| 1379 | cdr.Stat = NoIntr; |
| 1380 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1381 | break; |
| 1382 | |
| 1383 | case CdlPlay: |
| 1384 | // Vib Ribbon: try same track again |
| 1385 | StopCdda(); |
| 1386 | |
| 1387 | if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) { |
| 1388 | if (CDR_getTN(cdr.ResultTN) != -1) { |
| 1389 | if (cdr.CurTrack > cdr.ResultTN[1]) |
| 1390 | cdr.CurTrack = cdr.ResultTN[1]; |
| 1391 | if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) { |
| 1392 | int tmp = cdr.ResultTD[2]; |
| 1393 | cdr.ResultTD[2] = cdr.ResultTD[0]; |
| 1394 | cdr.ResultTD[0] = tmp; |
| 1395 | if (!Config.Cdda) CDR_play(cdr.ResultTD); |
| 1396 | } |
| 1397 | } |
| 1398 | } else if (!Config.Cdda) { |
| 1399 | CDR_play(cdr.SetSector); |
| 1400 | } |
| 1401 | |
| 1402 | // Vib Ribbon - decoded buffer IRQ for CDDA reading |
| 1403 | // - fixes ribbon timing + music CD mode |
| 1404 | //TODO? |
| 1405 | //CDRDBUF_INT( PSXCLK / 44100 * 0x100 ); |
| 1406 | |
| 1407 | |
| 1408 | cdr.Play = TRUE; |
| 1409 | |
| 1410 | cdr.StatP |= STATUS_SEEK; |
| 1411 | cdr.StatP &= ~STATUS_ROTATING; |
| 1412 | |
| 1413 | cdr.Ctrl |= 0x80; |
| 1414 | cdr.Stat = NoIntr; |
| 1415 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1416 | break; |
| 1417 | |
| 1418 | case CdlForward: |
| 1419 | //if (cdr.CurTrack < 0xaa) |
| 1420 | // cdr.CurTrack++; |
| 1421 | cdr.Ctrl |= 0x80; |
| 1422 | cdr.Stat = NoIntr; |
| 1423 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1424 | break; |
| 1425 | |
| 1426 | case CdlBackward: |
| 1427 | //if (cdr.CurTrack > 1) |
| 1428 | //cdr.CurTrack--; |
| 1429 | cdr.Ctrl |= 0x80; |
| 1430 | cdr.Stat = NoIntr; |
| 1431 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1432 | break; |
| 1433 | |
| 1434 | case CdlReadN: |
| 1435 | cdr.Irq = 0; |
| 1436 | StopReading(); |
| 1437 | cdr.Ctrl|= 0x80; |
| 1438 | cdr.Stat = NoIntr; |
| 1439 | StartReading(1, 0x800); |
| 1440 | break; |
| 1441 | |
| 1442 | case CdlStandby: |
| 1443 | StopCdda(); |
| 1444 | StopReading(); |
| 1445 | cdr.Ctrl |= 0x80; |
| 1446 | cdr.Stat = NoIntr; |
| 1447 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1448 | break; |
| 1449 | |
| 1450 | case CdlStop: |
| 1451 | // GameShark CD Player: Reset CDDA to track start |
| 1452 | if( cdr.Play && CDR_getStatus(&stat) != -1 ) { |
| 1453 | cdr.SetSectorPlay[0] = stat.Time[0]; |
| 1454 | cdr.SetSectorPlay[1] = stat.Time[1]; |
| 1455 | cdr.SetSectorPlay[2] = stat.Time[2]; |
| 1456 | |
| 1457 | Find_CurTrack(); |
| 1458 | |
| 1459 | |
| 1460 | // grab time for current track |
| 1461 | CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD); |
| 1462 | |
| 1463 | cdr.SetSectorPlay[0] = cdr.ResultTD[2]; |
| 1464 | cdr.SetSectorPlay[1] = cdr.ResultTD[1]; |
| 1465 | cdr.SetSectorPlay[2] = cdr.ResultTD[0]; |
| 1466 | } |
| 1467 | |
| 1468 | StopCdda(); |
| 1469 | StopReading(); |
| 1470 | |
| 1471 | cdr.Ctrl |= 0x80; |
| 1472 | cdr.Stat = NoIntr; |
| 1473 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1474 | break; |
| 1475 | |
| 1476 | case CdlPause: |
| 1477 | /* |
| 1478 | GameShark CD Player: save time for resume |
| 1479 | |
| 1480 | Twisted Metal - World Tour: don't save times for DATA reads |
| 1481 | - Only get 1 chance to do this right |
| 1482 | */ |
| 1483 | if( cdr.Play && CDR_getStatus(&stat) != -1 ) { |
| 1484 | cdr.SetSectorPlay[0] = stat.Time[0]; |
| 1485 | cdr.SetSectorPlay[1] = stat.Time[1]; |
| 1486 | cdr.SetSectorPlay[2] = stat.Time[2]; |
| 1487 | } |
| 1488 | |
| 1489 | StopCdda(); |
| 1490 | StopReading(); |
| 1491 | cdr.Ctrl |= 0x80; |
| 1492 | cdr.Stat = NoIntr; |
| 1493 | |
| 1494 | /* |
| 1495 | Gundam Battle Assault 2: much slower (*) |
| 1496 | - Fixes boot, gameplay |
| 1497 | |
| 1498 | Hokuto no Ken 2: slower |
| 1499 | - Fixes intro + subtitles |
| 1500 | |
| 1501 | InuYasha - Feudal Fairy Tale: slower |
| 1502 | - Fixes battles |
| 1503 | */ |
| 1504 | AddIrqQueue(cdr.Cmd, cdReadTime * 3); |
| 1505 | break; |
| 1506 | |
| 1507 | case CdlReset: |
| 1508 | case CdlInit: |
| 1509 | StopCdda(); |
| 1510 | StopReading(); |
| 1511 | cdr.Ctrl |= 0x80; |
| 1512 | cdr.Stat = NoIntr; |
| 1513 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1514 | break; |
| 1515 | |
| 1516 | case CdlMute: |
| 1517 | cdr.Muted = TRUE; |
| 1518 | cdr.Ctrl |= 0x80; |
| 1519 | cdr.Stat = NoIntr; |
| 1520 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1521 | |
| 1522 | // Duke Nukem - Time to Kill |
| 1523 | // - do not directly set cd-xa volume |
| 1524 | //SPU_writeRegister( H_CDLeft, 0x0000 ); |
| 1525 | //SPU_writeRegister( H_CDRight, 0x0000 ); |
| 1526 | break; |
| 1527 | |
| 1528 | case CdlDemute: |
| 1529 | cdr.Muted = FALSE; |
| 1530 | cdr.Ctrl |= 0x80; |
| 1531 | cdr.Stat = NoIntr; |
| 1532 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1533 | |
| 1534 | // Duke Nukem - Time to Kill |
| 1535 | // - do not directly set cd-xa volume |
| 1536 | //SPU_writeRegister( H_CDLeft, 0x7f00 ); |
| 1537 | //SPU_writeRegister( H_CDRight, 0x7f00 ); |
| 1538 | break; |
| 1539 | |
| 1540 | case CdlSetfilter: |
| 1541 | cdr.File = cdr.Param[0]; |
| 1542 | cdr.Channel = cdr.Param[1]; |
| 1543 | cdr.Ctrl |= 0x80; |
| 1544 | cdr.Stat = NoIntr; |
| 1545 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1546 | break; |
| 1547 | |
| 1548 | case CdlSetmode: |
| 1549 | #ifdef CDR_LOG |
| 1550 | CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]); |
| 1551 | #endif |
| 1552 | cdr.Mode = cdr.Param[0]; |
| 1553 | cdr.Ctrl |= 0x80; |
| 1554 | cdr.Stat = NoIntr; |
| 1555 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1556 | |
| 1557 | // Squaresoft on PlayStation 1998 Collector's CD Vol. 1 |
| 1558 | // - fixes choppy movie sound |
| 1559 | if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 ) |
| 1560 | StopCdda(); |
| 1561 | break; |
| 1562 | |
| 1563 | case CdlGetmode: |
| 1564 | cdr.Ctrl |= 0x80; |
| 1565 | cdr.Stat = NoIntr; |
| 1566 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1567 | break; |
| 1568 | |
| 1569 | case CdlGetlocL: |
| 1570 | cdr.Ctrl |= 0x80; |
| 1571 | cdr.Stat = NoIntr; |
| 1572 | |
| 1573 | // Crusaders of Might and Magic - cutscene speech |
| 1574 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1575 | break; |
| 1576 | |
| 1577 | case CdlGetlocP: |
| 1578 | cdr.Ctrl |= 0x80; |
| 1579 | cdr.Stat = NoIntr; |
| 1580 | |
| 1581 | // GameShark CDX / Lite Player: pretty narrow time window |
| 1582 | // - doesn't always work due to time inprecision |
| 1583 | //AddIrqQueue(cdr.Cmd, 0x28); |
| 1584 | |
| 1585 | // Tomb Raider 2 - cdda |
| 1586 | //AddIrqQueue(cdr.Cmd, 0x40); |
| 1587 | |
| 1588 | // rearmed: the above works in pcsxr-svn, but breaks here |
| 1589 | // (TOCA world touring cars), perhaps some other code is not merged yet |
| 1590 | AddIrqQueue(cdr.Cmd, 0x1000); |
| 1591 | break; |
| 1592 | |
| 1593 | case CdlGetTN: |
| 1594 | cdr.Ctrl |= 0x80; |
| 1595 | cdr.Stat = NoIntr; |
| 1596 | //AddIrqQueue(cdr.Cmd, 0x800); |
| 1597 | |
| 1598 | // GameShark CDX CD Player: very long time |
| 1599 | AddIrqQueue(cdr.Cmd, 0x100000); |
| 1600 | break; |
| 1601 | |
| 1602 | case CdlGetTD: |
| 1603 | cdr.Ctrl |= 0x80; |
| 1604 | cdr.Stat = NoIntr; |
| 1605 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1606 | break; |
| 1607 | |
| 1608 | case CdlSeekL: |
| 1609 | // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0]; |
| 1610 | cdr.Ctrl |= 0x80; |
| 1611 | cdr.Stat = NoIntr; |
| 1612 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1613 | |
| 1614 | StopCdda(); |
| 1615 | StopReading(); |
| 1616 | |
| 1617 | break; |
| 1618 | |
| 1619 | case CdlSeekP: |
| 1620 | // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0]; |
| 1621 | cdr.Ctrl |= 0x80; |
| 1622 | cdr.Stat = NoIntr; |
| 1623 | |
| 1624 | // Tomb Raider 2 - reset cdda |
| 1625 | StopCdda(); |
| 1626 | StopReading(); |
| 1627 | |
| 1628 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1629 | break; |
| 1630 | |
| 1631 | // Destruction Derby: read TOC? GetTD after this |
| 1632 | case CdlReadT: |
| 1633 | cdr.Ctrl |= 0x80; |
| 1634 | cdr.Stat = NoIntr; |
| 1635 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1636 | break; |
| 1637 | |
| 1638 | case CdlTest: |
| 1639 | cdr.Ctrl |= 0x80; |
| 1640 | cdr.Stat = NoIntr; |
| 1641 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1642 | break; |
| 1643 | |
| 1644 | case CdlID: |
| 1645 | cdr.Ctrl |= 0x80; |
| 1646 | cdr.Stat = NoIntr; |
| 1647 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1648 | break; |
| 1649 | |
| 1650 | case CdlReadS: |
| 1651 | cdr.Irq = 0; |
| 1652 | StopReading(); |
| 1653 | cdr.Ctrl |= 0x80; |
| 1654 | cdr.Stat = NoIntr; |
| 1655 | StartReading(2, 0x800); |
| 1656 | break; |
| 1657 | |
| 1658 | case CdlReadToc: |
| 1659 | cdr.Ctrl |= 0x80; |
| 1660 | cdr.Stat = NoIntr; |
| 1661 | AddIrqQueue(cdr.Cmd, 0x800); |
| 1662 | break; |
| 1663 | |
| 1664 | default: |
| 1665 | #ifdef CDR_LOG |
| 1666 | CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd); |
| 1667 | #endif |
| 1668 | return; |
| 1669 | } |
| 1670 | if (cdr.Stat != NoIntr) { |
| 1671 | psxHu32ref(0x1070) |= SWAP32((u32)0x4); |
| 1672 | } |
| 1673 | } |
| 1674 | |
| 1675 | unsigned char cdrRead2(void) { |
| 1676 | unsigned char ret; |
| 1677 | |
| 1678 | if (cdr.Readed == 0) { |
| 1679 | ret = 0; |
| 1680 | } else { |
| 1681 | ret = *cdr.pTransfer++; |
| 1682 | } |
| 1683 | |
| 1684 | #ifdef CDR_LOG |
| 1685 | CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret); |
| 1686 | #endif |
| 1687 | return ret; |
| 1688 | } |
| 1689 | |
| 1690 | void cdrWrite2(unsigned char rt) { |
| 1691 | #ifdef CDR_LOG |
| 1692 | CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt); |
| 1693 | #endif |
| 1694 | |
| 1695 | // Tekken: CDXA fade-out |
| 1696 | if( (cdr.Ctrl & 3) == 2 ) { |
| 1697 | //cdr.AttenuatorLeft[0] = rt; |
| 1698 | } |
| 1699 | else if( (cdr.Ctrl & 3) == 3 ) { |
| 1700 | //cdr.AttenuatorRight[1] = rt; |
| 1701 | } |
| 1702 | |
| 1703 | |
| 1704 | if (cdr.Ctrl & 0x1) { |
| 1705 | switch (rt) { |
| 1706 | case 0x07: |
| 1707 | cdr.ParamP = 0; |
| 1708 | cdr.ParamC = 0; |
| 1709 | cdr.ResultReady = 1; //0; |
| 1710 | cdr.Ctrl &= ~3; //cdr.Ctrl = 0; |
| 1711 | break; |
| 1712 | |
| 1713 | default: |
| 1714 | cdr.Reg2 = rt; |
| 1715 | break; |
| 1716 | } |
| 1717 | } else if (!(cdr.Ctrl & 0x1) && cdr.ParamP < 8) { |
| 1718 | cdr.Param[cdr.ParamP++] = rt; |
| 1719 | cdr.ParamC++; |
| 1720 | } |
| 1721 | } |
| 1722 | |
| 1723 | unsigned char cdrRead3(void) { |
| 1724 | if (cdr.Stat) { |
| 1725 | if (cdr.Ctrl & 0x1) |
| 1726 | psxHu8(0x1803) = cdr.Stat | 0xE0; |
| 1727 | else |
| 1728 | psxHu8(0x1803) = 0xff; |
| 1729 | } else { |
| 1730 | psxHu8(0x1803) = 0; |
| 1731 | } |
| 1732 | #ifdef CDR_LOG |
| 1733 | CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803)); |
| 1734 | #endif |
| 1735 | return psxHu8(0x1803); |
| 1736 | } |
| 1737 | |
| 1738 | void cdrWrite3(unsigned char rt) { |
| 1739 | #ifdef CDR_LOG |
| 1740 | CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt); |
| 1741 | #endif |
| 1742 | /* |
| 1743 | // Tekken: CDXA fade-out |
| 1744 | if( (cdr.Ctrl & 3) == 2 ) { |
| 1745 | cdr.AttenuatorLeft[1] = rt; |
| 1746 | } |
| 1747 | else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) { |
| 1748 | #ifdef CDR_LOG |
| 1749 | CDR_LOG( "CD-XA Volume: %X %X | %X %X\n", |
| 1750 | cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1], |
| 1751 | cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] ); |
| 1752 | #endif |
| 1753 | } |
| 1754 | */ |
| 1755 | |
| 1756 | // GameShark CDX CD Player: Irq timing mania |
| 1757 | if( rt == 0 && |
| 1758 | cdr.Irq != 0 && cdr.Irq != 0xff && |
| 1759 | cdr.ResultReady == 0 ) { |
| 1760 | |
| 1761 | // GS CDX: ~0x28 cycle timing - way too precise |
| 1762 | if( cdr.Irq == CdlGetlocP ) { |
| 1763 | cdrInterrupt(); |
| 1764 | |
| 1765 | psxRegs.interrupt &= ~(1 << PSXINT_CDR); |
| 1766 | } |
| 1767 | } |
| 1768 | |
| 1769 | |
| 1770 | if (rt == 0x07 && cdr.Ctrl & 0x1) { |
| 1771 | cdr.Stat = 0; |
| 1772 | |
| 1773 | if (cdr.Irq == 0xff) { |
| 1774 | cdr.Irq = 0; |
| 1775 | return; |
| 1776 | } |
| 1777 | |
| 1778 | if (cdr.Reading && !cdr.ResultReady) { |
| 1779 | CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime); |
| 1780 | } |
| 1781 | |
| 1782 | return; |
| 1783 | } |
| 1784 | |
| 1785 | if (rt == 0x80 && !(cdr.Ctrl & 0x1) && cdr.Readed == 0) { |
| 1786 | cdr.Readed = 1; |
| 1787 | cdr.pTransfer = cdr.Transfer; |
| 1788 | |
| 1789 | switch (cdr.Mode & 0x30) { |
| 1790 | case MODE_SIZE_2328: |
| 1791 | case 0x00: |
| 1792 | cdr.pTransfer += 12; |
| 1793 | break; |
| 1794 | |
| 1795 | case MODE_SIZE_2340: |
| 1796 | cdr.pTransfer += 0; |
| 1797 | break; |
| 1798 | |
| 1799 | default: |
| 1800 | break; |
| 1801 | } |
| 1802 | } |
| 1803 | } |
| 1804 | |
| 1805 | void psxDma3(u32 madr, u32 bcr, u32 chcr) { |
| 1806 | u32 cdsize; |
| 1807 | u8 *ptr; |
| 1808 | |
| 1809 | #ifdef CDR_LOG |
| 1810 | CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr); |
| 1811 | #endif |
| 1812 | |
| 1813 | switch (chcr) { |
| 1814 | case 0x11000000: |
| 1815 | case 0x11400100: |
| 1816 | if (cdr.Readed == 0) { |
| 1817 | #ifdef CDR_LOG |
| 1818 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n"); |
| 1819 | #endif |
| 1820 | break; |
| 1821 | } |
| 1822 | |
| 1823 | cdsize = (bcr & 0xffff) * 4; |
| 1824 | |
| 1825 | // Ape Escape: bcr = 0001 / 0000 |
| 1826 | // - fix boot |
| 1827 | if( cdsize == 0 ) |
| 1828 | { |
| 1829 | switch (cdr.Mode & 0x30) { |
| 1830 | case 0x00: cdsize = 2048; break; |
| 1831 | case MODE_SIZE_2328: cdsize = 2328; break; |
| 1832 | case MODE_SIZE_2340: cdsize = 2340; break; |
| 1833 | } |
| 1834 | } |
| 1835 | |
| 1836 | |
| 1837 | ptr = (u8 *)PSXM(madr); |
| 1838 | if (ptr == NULL) { |
| 1839 | #ifdef CPU_LOG |
| 1840 | CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n"); |
| 1841 | #endif |
| 1842 | break; |
| 1843 | } |
| 1844 | |
| 1845 | /* |
| 1846 | GS CDX: Enhancement CD crash |
| 1847 | - Setloc 0:0:0 |
| 1848 | - CdlPlay |
| 1849 | - Spams DMA3 and gets buffer overrun |
| 1850 | */ |
| 1851 | |
| 1852 | if( (cdr.pTransfer-cdr.Transfer) + cdsize > 2352 ) |
| 1853 | { |
| 1854 | // avoid crash - probably should wrap here |
| 1855 | //memcpy(ptr, cdr.pTransfer, cdsize); |
| 1856 | } |
| 1857 | else |
| 1858 | { |
| 1859 | memcpy(ptr, cdr.pTransfer, cdsize); |
| 1860 | } |
| 1861 | |
| 1862 | psxCpu->Clear(madr, cdsize / 4); |
| 1863 | cdr.pTransfer += cdsize; |
| 1864 | |
| 1865 | |
| 1866 | // burst vs normal |
| 1867 | if( chcr == 0x11400100 ) { |
| 1868 | CDRDMA_INT( (cdsize/4) / 4 ); |
| 1869 | } |
| 1870 | else if( chcr == 0x11000000 ) { |
| 1871 | CDRDMA_INT( (cdsize/4) * 1 ); |
| 1872 | } |
| 1873 | return; |
| 1874 | |
| 1875 | default: |
| 1876 | #ifdef CDR_LOG |
| 1877 | CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr); |
| 1878 | #endif |
| 1879 | break; |
| 1880 | } |
| 1881 | |
| 1882 | HW_DMA3_CHCR &= SWAP32(~0x01000000); |
| 1883 | DMA_INTERRUPT(3); |
| 1884 | } |
| 1885 | |
| 1886 | void cdrDmaInterrupt() |
| 1887 | { |
| 1888 | HW_DMA3_CHCR &= SWAP32(~0x01000000); |
| 1889 | DMA_INTERRUPT(3); |
| 1890 | } |
| 1891 | |
| 1892 | void cdrReset() { |
| 1893 | memset(&cdr, 0, sizeof(cdr)); |
| 1894 | cdr.CurTrack = 1; |
| 1895 | cdr.File = 1; |
| 1896 | cdr.Channel = 1; |
| 1897 | } |
| 1898 | |
| 1899 | int cdrFreeze(gzFile f, int Mode) { |
| 1900 | uintptr_t tmp; |
| 1901 | |
| 1902 | |
| 1903 | if( Mode == 0 ) { |
| 1904 | StopCdda(); |
| 1905 | } |
| 1906 | |
| 1907 | gzfreeze(&cdr, sizeof(cdr)); |
| 1908 | |
| 1909 | if (Mode == 1) |
| 1910 | tmp = cdr.pTransfer - cdr.Transfer; |
| 1911 | |
| 1912 | gzfreeze(&tmp, sizeof(tmp)); |
| 1913 | |
| 1914 | if (Mode == 0) |
| 1915 | cdr.pTransfer = cdr.Transfer + tmp; |
| 1916 | |
| 1917 | return 0; |
| 1918 | } |
| 1919 | |
| 1920 | void LidInterrupt() { |
| 1921 | cdr.LidCheck = 0x20; // start checker |
| 1922 | |
| 1923 | CDRLID_INT( cdReadTime * 3 ); |
| 1924 | |
| 1925 | // generate interrupt if none active - open or close |
| 1926 | if (cdr.Irq == 0 || cdr.Irq == 0xff) { |
| 1927 | cdr.Ctrl |= 0x80; |
| 1928 | cdr.Stat = NoIntr; |
| 1929 | AddIrqQueue(CdlNop, 0x800); |
| 1930 | } |
| 1931 | } |