| 1 |
/* PCSX2 - PS2 Emulator for PCs |
| 2 |
* Copyright (C) 2002-2010 PCSX2 Dev Team |
| 3 |
* |
| 4 |
* PCSX2 is free software: you can redistribute it and/or modify it under the terms |
| 5 |
* of the GNU Lesser General Public License as published by the Free Software Found- |
| 6 |
* ation, either version 3 of the License, or (at your option) any later version. |
| 7 |
* |
| 8 |
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
| 9 |
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
| 10 |
* PURPOSE. See the GNU General Public License for more details. |
| 11 |
* |
| 12 |
* You should have received a copy of the GNU General Public License along with PCSX2. |
| 13 |
* If not, see <http://www.gnu.org/licenses/>. |
| 14 |
*/ |
| 15 |
|
| 16 |
|
| 17 |
#include "PrecompiledHeader.h" |
| 18 |
#include "IopCommon.h" |
| 19 |
|
| 20 |
#include "CdRom.h" |
| 21 |
#include "CDVD.h" |
| 22 |
|
| 23 |
//THIS ALL IS FOR THE CDROM REGISTERS HANDLING |
| 24 |
|
| 25 |
enum cdrom_registers |
| 26 |
{ |
| 27 |
CdlSync = 0, |
| 28 |
CdlNop = 1, |
| 29 |
CdlSetloc = 2, |
| 30 |
CdlPlay = 3, |
| 31 |
CdlForward = 4, |
| 32 |
CdlBackward = 5, |
| 33 |
CdlReadN = 6, |
| 34 |
CdlStandby = 7, |
| 35 |
CdlStop = 8, |
| 36 |
CdlPause = 9, |
| 37 |
CdlInit = 10, |
| 38 |
CdlMute = 11, |
| 39 |
CdlDemute = 12, |
| 40 |
CdlSetfilter = 13, |
| 41 |
CdlSetmode = 14, |
| 42 |
CdlGetmode = 15, |
| 43 |
CdlGetlocL = 16, |
| 44 |
CdlGetlocP = 17, |
| 45 |
Cdl18 = 18, |
| 46 |
CdlGetTN = 19, |
| 47 |
CdlGetTD = 20, |
| 48 |
CdlSeekL = 21, |
| 49 |
CdlSeekP = 22, |
| 50 |
CdlTest = 25, |
| 51 |
CdlID = 26, |
| 52 |
CdlReadS = 27, |
| 53 |
CdlReset = 28, |
| 54 |
CdlReadToc = 30, |
| 55 |
|
| 56 |
AUTOPAUSE = 249, |
| 57 |
READ_ACK = 250, |
| 58 |
READ = 251, |
| 59 |
REPPLAY_ACK = 252, |
| 60 |
REPPLAY = 253, |
| 61 |
ASYNC = 254 |
| 62 |
/* don't set 255, it's reserved */ |
| 63 |
}; |
| 64 |
|
| 65 |
const char *CmdName[0x100]= { |
| 66 |
"CdlSync", "CdlNop", "CdlSetloc", "CdlPlay", |
| 67 |
"CdlForward", "CdlBackward", "CdlReadN", "CdlStandby", |
| 68 |
"CdlStop", "CdlPause", "CdlInit", "CdlMute", |
| 69 |
"CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode", |
| 70 |
"CdlGetlocL", "CdlGetlocP", "Cdl18", "CdlGetTN", |
| 71 |
"CdlGetTD", "CdlSeekL", "CdlSeekP", NULL, |
| 72 |
NULL, "CdlTest", "CdlID", "CdlReadS", |
| 73 |
"CdlReset", NULL, "CDlReadToc", NULL |
| 74 |
}; |
| 75 |
|
| 76 |
cdrStruct cdr; |
| 77 |
s32 LoadCdBios; |
| 78 |
|
| 79 |
u8 Test04[] = { 0 }; |
| 80 |
u8 Test05[] = { 0 }; |
| 81 |
u8 Test20[] = { 0x98, 0x06, 0x10, 0xC3 }; |
| 82 |
u8 Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F }; |
| 83 |
u8 Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 }; |
| 84 |
|
| 85 |
// 1x = 75 sectors per second |
| 86 |
// PSXCLK = 1 sec in the ps |
| 87 |
// so (PSXCLK / 75) / BIAS = cdr read time (linuzappz) |
| 88 |
//#define cdReadTime ((PSXCLK / 75) / BIAS) |
| 89 |
u32 cdReadTime;// = ((PSXCLK / 75) / BIAS); |
| 90 |
|
| 91 |
#define CDR_INT(eCycle) PSX_INT(IopEvt_Cdrom, eCycle) |
| 92 |
#define CDREAD_INT(eCycle) PSX_INT(IopEvt_CdromRead, eCycle) |
| 93 |
|
| 94 |
|
| 95 |
static void AddIrqQueue(u8 irq, u32 ecycle); |
| 96 |
|
| 97 |
static __forceinline void StartReading(u32 type) { |
| 98 |
cdr.Reading = type; |
| 99 |
cdr.FirstSector = 1; |
| 100 |
cdr.Readed = 0xff; |
| 101 |
AddIrqQueue(READ_ACK, 0x800); |
| 102 |
} |
| 103 |
|
| 104 |
static __forceinline void StopReading() { |
| 105 |
if (cdr.Reading) { |
| 106 |
cdr.Reading = 0; |
| 107 |
psxRegs.interrupt &= ~(1<<IopEvt_CdromRead); |
| 108 |
} |
| 109 |
} |
| 110 |
|
| 111 |
static __forceinline void StopCdda() { |
| 112 |
if (cdr.Play) { |
| 113 |
cdr.StatP&=~0x80; |
| 114 |
cdr.Play = 0; |
| 115 |
} |
| 116 |
} |
| 117 |
|
| 118 |
static __forceinline void SetResultSize(u8 size) { |
| 119 |
cdr.ResultP = 0; |
| 120 |
cdr.ResultC = size; |
| 121 |
cdr.ResultReady = 1; |
| 122 |
} |
| 123 |
|
| 124 |
static void ReadTrack() { |
| 125 |
cdr.Prev[0] = itob(cdr.SetSector[0]); |
| 126 |
cdr.Prev[1] = itob(cdr.SetSector[1]); |
| 127 |
cdr.Prev[2] = itob(cdr.SetSector[2]); |
| 128 |
|
| 129 |
CDVD_LOG("KEY *** %x:%x:%x", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]); |
| 130 |
cdr.RErr = DoCDVDreadTrack(msf_to_lsn(cdr.SetSector), CDVD_MODE_2340); |
| 131 |
} |
| 132 |
|
| 133 |
// cdr.Stat: |
| 134 |
enum cdr_stat_values |
| 135 |
{ |
| 136 |
NoIntr = 0, |
| 137 |
DataReady, |
| 138 |
Complete, |
| 139 |
Acknowledge, |
| 140 |
DataEnd, |
| 141 |
DiskError |
| 142 |
}; |
| 143 |
|
| 144 |
static void AddIrqQueue(u8 irq, u32 ecycle) { |
| 145 |
cdr.Irq = irq; |
| 146 |
if (cdr.Stat) { |
| 147 |
cdr.eCycle = ecycle; |
| 148 |
} else { |
| 149 |
CDR_INT(ecycle); |
| 150 |
} |
| 151 |
} |
| 152 |
|
| 153 |
void cdrInterrupt() { |
| 154 |
cdvdTD trackInfo; |
| 155 |
int i; |
| 156 |
u8 Irq = cdr.Irq; |
| 157 |
|
| 158 |
if (cdr.Stat) { |
| 159 |
CDR_INT(0x800); |
| 160 |
return; |
| 161 |
} |
| 162 |
|
| 163 |
cdr.Irq = 0xff; |
| 164 |
cdr.Ctrl&=~0x80; |
| 165 |
|
| 166 |
switch (Irq) { |
| 167 |
case CdlSync: |
| 168 |
SetResultSize(1); |
| 169 |
cdr.StatP|= 0x2; |
| 170 |
cdr.Result[0] = cdr.StatP; |
| 171 |
cdr.Stat = Acknowledge; |
| 172 |
break; |
| 173 |
|
| 174 |
case CdlNop: |
| 175 |
SetResultSize(1); |
| 176 |
cdr.Result[0] = cdr.StatP; |
| 177 |
cdr.Stat = Acknowledge; |
| 178 |
break; |
| 179 |
|
| 180 |
case CdlSetloc: |
| 181 |
cdr.CmdProcess = 0; |
| 182 |
SetResultSize(1); |
| 183 |
cdr.StatP|= 0x2; |
| 184 |
cdr.Result[0] = cdr.StatP; |
| 185 |
cdr.Stat = Acknowledge; |
| 186 |
break; |
| 187 |
|
| 188 |
case CdlPlay: |
| 189 |
cdr.CmdProcess = 0; |
| 190 |
SetResultSize(1); |
| 191 |
cdr.Result[0] = cdr.StatP; |
| 192 |
cdr.Stat = Acknowledge; |
| 193 |
cdr.StatP|= 0x82; |
| 194 |
break; |
| 195 |
|
| 196 |
case CdlForward: |
| 197 |
cdr.CmdProcess = 0; |
| 198 |
SetResultSize(1); |
| 199 |
cdr.StatP|= 0x2; |
| 200 |
cdr.Result[0] = cdr.StatP; |
| 201 |
cdr.Stat = Complete; |
| 202 |
break; |
| 203 |
|
| 204 |
case CdlBackward: |
| 205 |
cdr.CmdProcess = 0; |
| 206 |
SetResultSize(1); |
| 207 |
cdr.StatP|= 0x2; |
| 208 |
cdr.Result[0] = cdr.StatP; |
| 209 |
cdr.Stat = Complete; |
| 210 |
break; |
| 211 |
|
| 212 |
case CdlStandby: |
| 213 |
cdr.CmdProcess = 0; |
| 214 |
SetResultSize(1); |
| 215 |
cdr.StatP|= 0x2; |
| 216 |
cdr.Result[0] = cdr.StatP; |
| 217 |
cdr.Stat = Complete; |
| 218 |
break; |
| 219 |
|
| 220 |
case CdlStop: |
| 221 |
cdr.CmdProcess = 0; |
| 222 |
SetResultSize(1); |
| 223 |
cdr.StatP&=~0x2; |
| 224 |
cdr.Result[0] = cdr.StatP; |
| 225 |
cdr.Stat = Complete; |
| 226 |
// cdr.Stat = Acknowledge; |
| 227 |
break; |
| 228 |
|
| 229 |
case CdlPause: |
| 230 |
SetResultSize(1); |
| 231 |
cdr.Result[0] = cdr.StatP; |
| 232 |
cdr.Stat = Acknowledge; |
| 233 |
AddIrqQueue(CdlPause + 0x20, 0x800); |
| 234 |
break; |
| 235 |
|
| 236 |
case CdlPause + 0x20: |
| 237 |
SetResultSize(1); |
| 238 |
cdr.StatP&=~0x20; |
| 239 |
cdr.StatP|= 0x2; |
| 240 |
cdr.Result[0] = cdr.StatP; |
| 241 |
cdr.Stat = Complete; |
| 242 |
break; |
| 243 |
|
| 244 |
case CdlInit: |
| 245 |
SetResultSize(1); |
| 246 |
cdr.StatP = 0x2; |
| 247 |
cdr.Result[0] = cdr.StatP; |
| 248 |
cdr.Stat = Acknowledge; |
| 249 |
AddIrqQueue(CdlInit + 0x20, 0x800); |
| 250 |
break; |
| 251 |
|
| 252 |
case CdlInit + 0x20: |
| 253 |
SetResultSize(1); |
| 254 |
cdr.Result[0] = cdr.StatP; |
| 255 |
cdr.Stat = Complete; |
| 256 |
cdr.Init = 1; |
| 257 |
break; |
| 258 |
|
| 259 |
case CdlMute: |
| 260 |
SetResultSize(1); |
| 261 |
cdr.StatP|= 0x2; |
| 262 |
cdr.Result[0] = cdr.StatP; |
| 263 |
cdr.Stat = Acknowledge; |
| 264 |
break; |
| 265 |
|
| 266 |
case CdlDemute: |
| 267 |
SetResultSize(1); |
| 268 |
cdr.StatP|= 0x2; |
| 269 |
cdr.Result[0] = cdr.StatP; |
| 270 |
cdr.Stat = Acknowledge; |
| 271 |
break; |
| 272 |
|
| 273 |
case CdlSetfilter: |
| 274 |
SetResultSize(1); |
| 275 |
cdr.StatP|= 0x2; |
| 276 |
cdr.Result[0] = cdr.StatP; |
| 277 |
cdr.Stat = Acknowledge; |
| 278 |
break; |
| 279 |
|
| 280 |
case CdlSetmode: |
| 281 |
SetResultSize(1); |
| 282 |
cdr.StatP|= 0x2; |
| 283 |
cdr.Result[0] = cdr.StatP; |
| 284 |
cdr.Stat = Acknowledge; |
| 285 |
break; |
| 286 |
|
| 287 |
case CdlGetmode: |
| 288 |
SetResultSize(6); |
| 289 |
cdr.StatP|= 0x2; |
| 290 |
cdr.Result[0] = cdr.StatP; |
| 291 |
cdr.Result[1] = cdr.Mode; |
| 292 |
cdr.Result[2] = cdr.File; |
| 293 |
cdr.Result[3] = cdr.Channel; |
| 294 |
cdr.Result[4] = 0; |
| 295 |
cdr.Result[5] = 0; |
| 296 |
cdr.Stat = Acknowledge; |
| 297 |
break; |
| 298 |
|
| 299 |
case CdlGetlocL: |
| 300 |
SetResultSize(8); |
| 301 |
for (i=0; i<8; i++) |
| 302 |
cdr.Result[i] = cdr.Transfer[i]; |
| 303 |
cdr.Stat = Acknowledge; |
| 304 |
break; |
| 305 |
|
| 306 |
case CdlGetlocP: |
| 307 |
SetResultSize(8); |
| 308 |
cdr.Result[0] = 1; |
| 309 |
cdr.Result[1] = 1; |
| 310 |
cdr.Result[2] = cdr.Prev[0]; |
| 311 |
cdr.Result[3] = itob((btoi(cdr.Prev[1])) - 2); |
| 312 |
cdr.Result[4] = cdr.Prev[2]; |
| 313 |
cdr.Result[5] = cdr.Prev[0]; |
| 314 |
cdr.Result[6] = cdr.Prev[1]; |
| 315 |
cdr.Result[7] = cdr.Prev[2]; |
| 316 |
cdr.Stat = Acknowledge; |
| 317 |
break; |
| 318 |
|
| 319 |
case CdlGetTN: |
| 320 |
cdr.CmdProcess = 0; |
| 321 |
SetResultSize(3); |
| 322 |
cdr.StatP|= 0x2; |
| 323 |
cdr.Result[0] = cdr.StatP; |
| 324 |
if (CDVD->getTN(&cdr.ResultTN) == -1) { |
| 325 |
cdr.Stat = DiskError; |
| 326 |
cdr.Result[0]|= 0x01; |
| 327 |
} else { |
| 328 |
cdr.Stat = Acknowledge; |
| 329 |
cdr.Result[1] = itob(cdr.ResultTN.strack); |
| 330 |
cdr.Result[2] = itob(cdr.ResultTN.etrack); |
| 331 |
} |
| 332 |
break; |
| 333 |
|
| 334 |
case CdlGetTD: |
| 335 |
cdr.CmdProcess = 0; |
| 336 |
cdr.Track = btoi(cdr.Param[0]); |
| 337 |
SetResultSize(4); |
| 338 |
cdr.StatP|= 0x2; |
| 339 |
if (CDVD->getTD(cdr.Track, &trackInfo) == -1) { |
| 340 |
cdr.Stat = DiskError; |
| 341 |
cdr.Result[0]|= 0x01; |
| 342 |
} else { |
| 343 |
lsn_to_msf(cdr.ResultTD, trackInfo.lsn); |
| 344 |
cdr.Stat = Acknowledge; |
| 345 |
cdr.Result[0] = cdr.StatP; |
| 346 |
cdr.Result[1] = cdr.ResultTD[2]; |
| 347 |
cdr.Result[2] = cdr.ResultTD[1]; |
| 348 |
cdr.Result[3] = cdr.ResultTD[0]; |
| 349 |
} |
| 350 |
break; |
| 351 |
|
| 352 |
case CdlSeekL: |
| 353 |
SetResultSize(1); |
| 354 |
cdr.StatP|= 0x2; |
| 355 |
cdr.Result[0] = cdr.StatP; |
| 356 |
cdr.Stat = Acknowledge; |
| 357 |
AddIrqQueue(CdlSeekL + 0x20, 0x800); |
| 358 |
break; |
| 359 |
|
| 360 |
case CdlSeekL + 0x20: |
| 361 |
SetResultSize(1); |
| 362 |
cdr.StatP|= 0x2; |
| 363 |
cdr.Result[0] = cdr.StatP; |
| 364 |
cdr.Stat = Complete; |
| 365 |
break; |
| 366 |
|
| 367 |
case CdlSeekP: |
| 368 |
SetResultSize(1); |
| 369 |
cdr.StatP|= 0x2; |
| 370 |
cdr.Result[0] = cdr.StatP; |
| 371 |
cdr.Stat = Acknowledge; |
| 372 |
AddIrqQueue(CdlSeekP + 0x20, 0x800); |
| 373 |
break; |
| 374 |
|
| 375 |
case CdlSeekP + 0x20: |
| 376 |
SetResultSize(1); |
| 377 |
cdr.StatP|= 0x2; |
| 378 |
cdr.Result[0] = cdr.StatP; |
| 379 |
cdr.Stat = Complete; |
| 380 |
break; |
| 381 |
|
| 382 |
case CdlTest: |
| 383 |
cdr.Stat = Acknowledge; |
| 384 |
switch (cdr.Param[0]) { |
| 385 |
case 0x20: // System Controller ROM Version |
| 386 |
SetResultSize(4); |
| 387 |
*(int*)cdr.Result = *(int*)Test20; |
| 388 |
break; |
| 389 |
|
| 390 |
case 0x22: |
| 391 |
SetResultSize(8); |
| 392 |
*(int*)cdr.Result = *(int*)Test22; |
| 393 |
break; |
| 394 |
|
| 395 |
case 0x23: |
| 396 |
case 0x24: |
| 397 |
SetResultSize(8); |
| 398 |
*(int*)cdr.Result = *(int*)Test23; |
| 399 |
break; |
| 400 |
} |
| 401 |
break; |
| 402 |
|
| 403 |
case CdlID: |
| 404 |
SetResultSize(1); |
| 405 |
cdr.StatP|= 0x2; |
| 406 |
cdr.Result[0] = cdr.StatP; |
| 407 |
cdr.Stat = Acknowledge; |
| 408 |
AddIrqQueue(CdlID + 0x20, 0x800); |
| 409 |
break; |
| 410 |
|
| 411 |
case CdlID + 0x20: |
| 412 |
SetResultSize(8); |
| 413 |
cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player |
| 414 |
cdr.Result[1] = 0x00; // 0x80 leads to the menu in the bios, else loads CD |
| 415 |
|
| 416 |
if (!LoadCdBios) cdr.Result[1] |= 0x80; |
| 417 |
cdr.Result[2] = 0x00; |
| 418 |
cdr.Result[3] = 0x00; |
| 419 |
strncpy((char *)&cdr.Result[4], "PCSX", 4); |
| 420 |
cdr.Stat = Complete; |
| 421 |
break; |
| 422 |
|
| 423 |
case CdlReset: |
| 424 |
SetResultSize(1); |
| 425 |
cdr.StatP = 0x2; |
| 426 |
cdr.Result[0] = cdr.StatP; |
| 427 |
cdr.Stat = Acknowledge; |
| 428 |
break; |
| 429 |
|
| 430 |
case CdlReadToc: |
| 431 |
SetResultSize(1); |
| 432 |
cdr.StatP|= 0x2; |
| 433 |
cdr.Result[0] = cdr.StatP; |
| 434 |
cdr.Stat = Acknowledge; |
| 435 |
AddIrqQueue(CdlReadToc + 0x20, 0x800); |
| 436 |
break; |
| 437 |
|
| 438 |
case CdlReadToc + 0x20: |
| 439 |
SetResultSize(1); |
| 440 |
cdr.StatP|= 0x2; |
| 441 |
cdr.Result[0] = cdr.StatP; |
| 442 |
cdr.Stat = Complete; |
| 443 |
break; |
| 444 |
|
| 445 |
case AUTOPAUSE: |
| 446 |
cdr.OCUP = 0; |
| 447 |
AddIrqQueue(CdlPause, 0x400); |
| 448 |
break; |
| 449 |
|
| 450 |
case READ_ACK: |
| 451 |
if (!cdr.Reading) return; |
| 452 |
|
| 453 |
SetResultSize(1); |
| 454 |
cdr.StatP|= 0x2; |
| 455 |
cdr.Result[0] = cdr.StatP; |
| 456 |
cdr.Stat = Acknowledge; |
| 457 |
|
| 458 |
ReadTrack(); |
| 459 |
|
| 460 |
CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); |
| 461 |
|
| 462 |
break; |
| 463 |
|
| 464 |
case REPPLAY_ACK: |
| 465 |
cdr.Stat = Acknowledge; |
| 466 |
cdr.Result[0] = cdr.StatP; |
| 467 |
SetResultSize(1); |
| 468 |
AddIrqQueue(REPPLAY, cdReadTime); |
| 469 |
break; |
| 470 |
|
| 471 |
case REPPLAY: |
| 472 |
//if ((cdr.Mode & 5) != 5) break; |
| 473 |
break; |
| 474 |
|
| 475 |
case 0xff: |
| 476 |
return; |
| 477 |
|
| 478 |
default: |
| 479 |
cdr.Stat = Complete; |
| 480 |
break; |
| 481 |
} |
| 482 |
|
| 483 |
if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) |
| 484 |
psxHu32(0x1070)|= 0x4; |
| 485 |
|
| 486 |
CDVD_LOG("Cdr Interrupt %x\n", Irq); |
| 487 |
} |
| 488 |
|
| 489 |
void cdrReadInterrupt() { |
| 490 |
|
| 491 |
if (!cdr.Reading) |
| 492 |
return; |
| 493 |
|
| 494 |
if (cdr.Stat) { |
| 495 |
CDREAD_INT(0x800); |
| 496 |
return; |
| 497 |
} |
| 498 |
|
| 499 |
CDVD_LOG("KEY END"); |
| 500 |
|
| 501 |
cdr.OCUP = 1; |
| 502 |
SetResultSize(1); |
| 503 |
cdr.StatP|= 0x22; |
| 504 |
cdr.Result[0] = cdr.StatP; |
| 505 |
|
| 506 |
if( cdr.RErr == 0 ) |
| 507 |
{ |
| 508 |
while( (cdr.RErr = DoCDVDgetBuffer(cdr.Transfer)), cdr.RErr == -2 ) |
| 509 |
{ |
| 510 |
// not finished yet ... block on the read until it finishes. |
| 511 |
Threading::Sleep( 0 ); |
| 512 |
Threading::SpinWait(); |
| 513 |
} |
| 514 |
} |
| 515 |
|
| 516 |
if (cdr.RErr == -1) |
| 517 |
{ |
| 518 |
CDVD_LOG(" err\n"); |
| 519 |
memzero(cdr.Transfer); |
| 520 |
cdr.Stat = DiskError; |
| 521 |
cdr.Result[0] |= 0x01; |
| 522 |
ReadTrack(); |
| 523 |
CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); |
| 524 |
return; |
| 525 |
} |
| 526 |
|
| 527 |
cdr.Stat = DataReady; |
| 528 |
|
| 529 |
CDVD_LOG(" %x:%x:%x", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]); |
| 530 |
|
| 531 |
cdr.SetSector[2]++; |
| 532 |
|
| 533 |
if (cdr.SetSector[2] == 75) { |
| 534 |
cdr.SetSector[2] = 0; |
| 535 |
cdr.SetSector[1]++; |
| 536 |
if (cdr.SetSector[1] == 60) { |
| 537 |
cdr.SetSector[1] = 0; |
| 538 |
cdr.SetSector[0]++; |
| 539 |
} |
| 540 |
} |
| 541 |
|
| 542 |
cdr.Readed = 0; |
| 543 |
|
| 544 |
if ((cdr.Transfer[4+2] & 0x80) && (cdr.Mode & 0x2)) { // EOF |
| 545 |
CDVD_LOG("AutoPausing Read"); |
| 546 |
AddIrqQueue(CdlPause, 0x800); |
| 547 |
} |
| 548 |
else { |
| 549 |
ReadTrack(); |
| 550 |
CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime); |
| 551 |
} |
| 552 |
|
| 553 |
psxHu32(0x1070)|= 0x4; |
| 554 |
return; |
| 555 |
} |
| 556 |
|
| 557 |
/* |
| 558 |
cdrRead0: |
| 559 |
bit 0 - 0 REG1 command send / 1 REG1 data read |
| 560 |
bit 1 - 0 data transfer finish / 1 data transfer ready/in progress |
| 561 |
bit 2 - unknown |
| 562 |
bit 3 - unknown |
| 563 |
bit 4 - unknown |
| 564 |
bit 5 - 1 result ready |
| 565 |
bit 6 - 1 dma ready |
| 566 |
bit 7 - 1 command being processed |
| 567 |
*/ |
| 568 |
|
| 569 |
u8 cdrRead0(void) { |
| 570 |
if (cdr.ResultReady) |
| 571 |
cdr.Ctrl |= 0x20; |
| 572 |
else |
| 573 |
cdr.Ctrl &= ~0x20; |
| 574 |
|
| 575 |
if (cdr.OCUP) |
| 576 |
cdr.Ctrl |= 0x40; |
| 577 |
else |
| 578 |
cdr.Ctrl &= ~0x40; |
| 579 |
|
| 580 |
// what means the 0x10 and the 0x08 bits? i only saw it used by the bios |
| 581 |
cdr.Ctrl|=0x18; |
| 582 |
|
| 583 |
CDVD_LOG("CD0 Read: %x", cdr.Ctrl); |
| 584 |
return psxHu8(0x1800) = cdr.Ctrl; |
| 585 |
} |
| 586 |
|
| 587 |
/* |
| 588 |
cdrWrite0: |
| 589 |
0 - to send a command / 1 - to get the result |
| 590 |
*/ |
| 591 |
|
| 592 |
void cdrWrite0(u8 rt) { |
| 593 |
CDVD_LOG("CD0 write: %x", rt); |
| 594 |
|
| 595 |
cdr.Ctrl = rt | (cdr.Ctrl & ~0x3); |
| 596 |
|
| 597 |
if (rt == 0) { |
| 598 |
cdr.ParamP = 0; |
| 599 |
cdr.ParamC = 0; |
| 600 |
cdr.ResultReady = 0; |
| 601 |
} |
| 602 |
} |
| 603 |
|
| 604 |
u8 cdrRead1(void) { |
| 605 |
if (cdr.ResultReady && cdr.Ctrl & 0x1) { |
| 606 |
psxHu8(0x1801) = cdr.Result[cdr.ResultP++]; |
| 607 |
if (cdr.ResultP == cdr.ResultC) cdr.ResultReady = 0; |
| 608 |
} |
| 609 |
else |
| 610 |
psxHu8(0x1801) = 0; |
| 611 |
|
| 612 |
CDVD_LOG("CD1 Read: %x", psxHu8(0x1801)); |
| 613 |
return psxHu8(0x1801); |
| 614 |
} |
| 615 |
|
| 616 |
void cdrWrite1(u8 rt) { |
| 617 |
int i; |
| 618 |
|
| 619 |
CDVD_LOG("CD1 write: %x (%s)", rt, CmdName[rt]); |
| 620 |
cdr.Cmd = rt; |
| 621 |
cdr.OCUP = 0; |
| 622 |
|
| 623 |
#ifdef CDRCMD_DEBUG |
| 624 |
SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]); |
| 625 |
if (cdr.ParamC) { |
| 626 |
SysPrintf(" Param[%d] = {", cdr.ParamC); |
| 627 |
for (i=0;i<cdr.ParamC;i++) SysPrintf(" %x,", cdr.Param[i]); |
| 628 |
SysPrintf("}\n"); |
| 629 |
} else SysPrintf("\n"); |
| 630 |
#endif |
| 631 |
|
| 632 |
if (cdr.Ctrl & 0x1) return; |
| 633 |
|
| 634 |
switch(cdr.Cmd) { |
| 635 |
case CdlSync: |
| 636 |
cdr.Ctrl|= 0x80; |
| 637 |
cdr.Stat = NoIntr; |
| 638 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 639 |
break; |
| 640 |
|
| 641 |
case CdlNop: |
| 642 |
cdr.Ctrl|= 0x80; |
| 643 |
cdr.Stat = NoIntr; |
| 644 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 645 |
break; |
| 646 |
|
| 647 |
case CdlSetloc: |
| 648 |
StopReading(); |
| 649 |
for (i=0; i<3; i++) cdr.SetSector[i] = btoi(cdr.Param[i]); |
| 650 |
cdr.SetSector[3] = 0; |
| 651 |
if ((cdr.SetSector[0] | cdr.SetSector[1] | cdr.SetSector[2]) == 0) { |
| 652 |
*(u32 *)cdr.SetSector = *(u32 *)cdr.SetSectorSeek; |
| 653 |
} |
| 654 |
cdr.Ctrl|= 0x80; |
| 655 |
cdr.Stat = NoIntr; |
| 656 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 657 |
break; |
| 658 |
|
| 659 |
case CdlPlay: |
| 660 |
cdr.Play = 1; |
| 661 |
cdr.Ctrl|= 0x80; |
| 662 |
cdr.Stat = NoIntr; |
| 663 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 664 |
break; |
| 665 |
|
| 666 |
case CdlForward: |
| 667 |
if (cdr.CurTrack < 0xaa) cdr.CurTrack++; |
| 668 |
cdr.Ctrl|= 0x80; |
| 669 |
cdr.Stat = NoIntr; |
| 670 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 671 |
break; |
| 672 |
|
| 673 |
case CdlBackward: |
| 674 |
if (cdr.CurTrack > 1) cdr.CurTrack--; |
| 675 |
cdr.Ctrl|= 0x80; |
| 676 |
cdr.Stat = NoIntr; |
| 677 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 678 |
break; |
| 679 |
|
| 680 |
case CdlReadN: |
| 681 |
cdr.Irq = 0; |
| 682 |
StopReading(); |
| 683 |
cdr.Ctrl|= 0x80; |
| 684 |
cdr.Stat = NoIntr; |
| 685 |
StartReading(1); |
| 686 |
break; |
| 687 |
|
| 688 |
case CdlStandby: |
| 689 |
StopCdda(); |
| 690 |
StopReading(); |
| 691 |
cdr.Ctrl|= 0x80; |
| 692 |
cdr.Stat = NoIntr; |
| 693 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 694 |
break; |
| 695 |
|
| 696 |
case CdlStop: |
| 697 |
StopCdda(); |
| 698 |
StopReading(); |
| 699 |
cdr.Ctrl|= 0x80; |
| 700 |
cdr.Stat = NoIntr; |
| 701 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 702 |
break; |
| 703 |
|
| 704 |
case CdlPause: |
| 705 |
StopCdda(); |
| 706 |
StopReading(); |
| 707 |
cdr.Ctrl|= 0x80; |
| 708 |
cdr.Stat = NoIntr; |
| 709 |
AddIrqQueue(cdr.Cmd, 0x40000); |
| 710 |
break; |
| 711 |
|
| 712 |
case CdlReset: |
| 713 |
case CdlInit: |
| 714 |
StopCdda(); |
| 715 |
StopReading(); |
| 716 |
cdr.Ctrl|= 0x80; |
| 717 |
cdr.Stat = NoIntr; |
| 718 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 719 |
break; |
| 720 |
|
| 721 |
case CdlMute: |
| 722 |
cdr.Muted = 0; |
| 723 |
cdr.Ctrl|= 0x80; |
| 724 |
cdr.Stat = NoIntr; |
| 725 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 726 |
break; |
| 727 |
|
| 728 |
case CdlDemute: |
| 729 |
cdr.Muted = 1; |
| 730 |
cdr.Ctrl|= 0x80; |
| 731 |
cdr.Stat = NoIntr; |
| 732 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 733 |
break; |
| 734 |
|
| 735 |
case CdlSetfilter: |
| 736 |
cdr.File = cdr.Param[0]; |
| 737 |
cdr.Channel = cdr.Param[1]; |
| 738 |
cdr.Ctrl|= 0x80; |
| 739 |
cdr.Stat = NoIntr; |
| 740 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 741 |
break; |
| 742 |
|
| 743 |
case CdlSetmode: |
| 744 |
CDVD_LOG("Setmode %x", cdr.Param[0]); |
| 745 |
|
| 746 |
cdr.Mode = cdr.Param[0]; |
| 747 |
cdr.Ctrl|= 0x80; |
| 748 |
cdr.Stat = NoIntr; |
| 749 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 750 |
break; |
| 751 |
|
| 752 |
case CdlGetmode: |
| 753 |
cdr.Ctrl|= 0x80; |
| 754 |
cdr.Stat = NoIntr; |
| 755 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 756 |
break; |
| 757 |
|
| 758 |
case CdlGetlocL: |
| 759 |
cdr.Ctrl|= 0x80; |
| 760 |
cdr.Stat = NoIntr; |
| 761 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 762 |
break; |
| 763 |
|
| 764 |
case CdlGetlocP: |
| 765 |
cdr.Ctrl|= 0x80; |
| 766 |
cdr.Stat = NoIntr; |
| 767 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 768 |
break; |
| 769 |
|
| 770 |
case CdlGetTN: |
| 771 |
cdr.Ctrl|= 0x80; |
| 772 |
cdr.Stat = NoIntr; |
| 773 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 774 |
break; |
| 775 |
|
| 776 |
case CdlGetTD: |
| 777 |
cdr.Ctrl|= 0x80; |
| 778 |
cdr.Stat = NoIntr; |
| 779 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 780 |
break; |
| 781 |
|
| 782 |
case CdlSeekL: |
| 783 |
((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0]; |
| 784 |
cdr.Ctrl|= 0x80; |
| 785 |
cdr.Stat = NoIntr; |
| 786 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 787 |
break; |
| 788 |
|
| 789 |
case CdlSeekP: |
| 790 |
((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0]; |
| 791 |
cdr.Ctrl|= 0x80; |
| 792 |
cdr.Stat = NoIntr; |
| 793 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 794 |
break; |
| 795 |
|
| 796 |
case CdlTest: |
| 797 |
cdr.Ctrl|= 0x80; |
| 798 |
cdr.Stat = NoIntr; |
| 799 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 800 |
break; |
| 801 |
|
| 802 |
case CdlID: |
| 803 |
cdr.Ctrl|= 0x80; |
| 804 |
cdr.Stat = NoIntr; |
| 805 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 806 |
break; |
| 807 |
|
| 808 |
case CdlReadS: |
| 809 |
cdr.Irq = 0; |
| 810 |
StopReading(); |
| 811 |
cdr.Ctrl|= 0x80; |
| 812 |
cdr.Stat = NoIntr; |
| 813 |
StartReading(2); |
| 814 |
break; |
| 815 |
|
| 816 |
case CdlReadToc: |
| 817 |
cdr.Ctrl|= 0x80; |
| 818 |
cdr.Stat = NoIntr; |
| 819 |
AddIrqQueue(cdr.Cmd, 0x800); |
| 820 |
break; |
| 821 |
|
| 822 |
default: |
| 823 |
CDVD_LOG("Unknown Cmd: %x\n", cdr.Cmd); |
| 824 |
return; |
| 825 |
} |
| 826 |
if (cdr.Stat != NoIntr) |
| 827 |
iopIntcIrq( 2 ); |
| 828 |
} |
| 829 |
|
| 830 |
u8 cdrRead2(void) { |
| 831 |
u8 ret; |
| 832 |
|
| 833 |
if (cdr.Readed == 0) { |
| 834 |
ret = 0; |
| 835 |
} else { |
| 836 |
ret = *cdr.pTransfer++; |
| 837 |
} |
| 838 |
|
| 839 |
CDVD_LOG("CD2 Read: %x", ret); |
| 840 |
return ret; |
| 841 |
} |
| 842 |
|
| 843 |
void cdrWrite2(u8 rt) { |
| 844 |
CDVD_LOG("CD2 write: %x", rt); |
| 845 |
|
| 846 |
if (cdr.Ctrl & 0x1) { |
| 847 |
switch (rt) { |
| 848 |
case 0x07: |
| 849 |
cdr.ParamP = 0; |
| 850 |
cdr.ParamC = 0; |
| 851 |
cdr.ResultReady = 0; |
| 852 |
cdr.Ctrl = 0; |
| 853 |
break; |
| 854 |
|
| 855 |
default: |
| 856 |
cdr.Reg2 = rt; |
| 857 |
break; |
| 858 |
} |
| 859 |
} |
| 860 |
else |
| 861 |
{ |
| 862 |
if (!(cdr.Ctrl & 0x1) && cdr.ParamP < 8) { |
| 863 |
cdr.Param[cdr.ParamP++] = rt; |
| 864 |
cdr.ParamC++; |
| 865 |
} |
| 866 |
} |
| 867 |
} |
| 868 |
|
| 869 |
u8 cdrRead3(void) { |
| 870 |
if (cdr.Stat) { |
| 871 |
if (cdr.Ctrl & 0x1) |
| 872 |
psxHu8(0x1803) = cdr.Stat | 0xE0; |
| 873 |
else |
| 874 |
psxHu8(0x1803) = 0xff; |
| 875 |
} else psxHu8(0x1803) = 0; |
| 876 |
|
| 877 |
CDVD_LOG("CD3 Read: %x", psxHu8(0x1803)); |
| 878 |
return psxHu8(0x1803); |
| 879 |
} |
| 880 |
|
| 881 |
void cdrWrite3(u8 rt) { |
| 882 |
CDVD_LOG("CD3 write: %x", rt); |
| 883 |
|
| 884 |
if (rt == 0x07 && cdr.Ctrl & 0x1) { |
| 885 |
cdr.Stat = 0; |
| 886 |
|
| 887 |
if (cdr.Irq == 0xff) { cdr.Irq = 0; return; } |
| 888 |
if (cdr.Irq) { |
| 889 |
CDR_INT(cdr.eCycle); |
| 890 |
} |
| 891 |
return; |
| 892 |
} |
| 893 |
|
| 894 |
if (rt == 0x80 && !(cdr.Ctrl & 0x1) && cdr.Readed == 0) { |
| 895 |
cdr.Readed = 1; |
| 896 |
cdr.pTransfer = cdr.Transfer; |
| 897 |
|
| 898 |
switch (cdr.Mode&0x30) { |
| 899 |
case 0x10: |
| 900 |
case 0x00: cdr.pTransfer+=12; break; |
| 901 |
default: break; |
| 902 |
} |
| 903 |
} |
| 904 |
} |
| 905 |
|
| 906 |
void psxDma3(u32 madr, u32 bcr, u32 chcr) { |
| 907 |
u32 cdsize; |
| 908 |
|
| 909 |
CDVD_LOG("*** DMA 3 *** %lx addr = %lx size = %lx", chcr, madr, bcr); |
| 910 |
|
| 911 |
switch (chcr) { |
| 912 |
case 0x11000000: |
| 913 |
case 0x11400100: |
| 914 |
if (cdr.Readed == 0) { |
| 915 |
CDVD_LOG("*** DMA 3 *** NOT READY"); |
| 916 |
return; |
| 917 |
} |
| 918 |
|
| 919 |
cdsize = (bcr & 0xffff) * 4; |
| 920 |
memcpy_fast(iopPhysMem(madr), cdr.pTransfer, cdsize); |
| 921 |
psxCpu->Clear(madr, cdsize/4); |
| 922 |
cdr.pTransfer+=cdsize; |
| 923 |
|
| 924 |
break; |
| 925 |
case 0x41000200: |
| 926 |
//SysPrintf("unhandled cdrom dma3: madr: %x, bcr: %x, chcr %x\n", madr, bcr, chcr); |
| 927 |
return; |
| 928 |
|
| 929 |
default: |
| 930 |
CDVD_LOG("Unknown cddma %lx", chcr); |
| 931 |
break; |
| 932 |
} |
| 933 |
HW_DMA3_CHCR &= ~0x01000000; |
| 934 |
psxDmaInterrupt(3); |
| 935 |
} |
| 936 |
|
| 937 |
#ifdef ENABLE_NEW_IOPDMA |
| 938 |
s32 CALLBACK cdvdDmaRead(s32 channel, u32* data, u32 bytesLeft, u32* bytesProcessed) |
| 939 |
{ |
| 940 |
#ifdef ENABLE_NEW_IOPDMA_CDVD |
| 941 |
// hacked up from the code above |
| 942 |
|
| 943 |
if (cdr.Readed == 0) |
| 944 |
{ |
| 945 |
//CDVD_LOG("*** DMA 3 *** NOT READY"); |
| 946 |
wordsProcessed = 0; |
| 947 |
return 10000; |
| 948 |
} |
| 949 |
|
| 950 |
memcpy_fast(data, cdr.pTransfer, wordsLeft); |
| 951 |
//psxCpu->Clear(madr, cdsize/4); |
| 952 |
cdr.pTransfer+=wordsLeft; |
| 953 |
*wordsProcessed = wordsLeft; |
| 954 |
|
| 955 |
Console.WriteLn(Color_Black,"New IOP DMA handled CDVD DMA: channel %d, data %p, remaining %08x, processed %08x.", channel,data,wordsLeft, *wordsProcessed); |
| 956 |
#endif |
| 957 |
return 0; |
| 958 |
} |
| 959 |
|
| 960 |
void CALLBACK cdvdDmaInterrupt(s32 channel) |
| 961 |
{ |
| 962 |
#ifdef ENABLE_NEW_IOPDMA_CDVD |
| 963 |
cdrInterrupt(); |
| 964 |
#endif |
| 965 |
} |
| 966 |
|
| 967 |
#endif |
| 968 |
|
| 969 |
void cdrReset() { |
| 970 |
memzero(cdr); |
| 971 |
cdr.CurTrack=1; |
| 972 |
cdr.File=1; cdr.Channel=1; |
| 973 |
cdReadTime = (PSXCLK / 1757) * BIAS; |
| 974 |
} |
| 975 |
|
| 976 |
void SaveStateBase::cdrFreeze() |
| 977 |
{ |
| 978 |
FreezeTag( "cdrom" ); |
| 979 |
Freeze(cdr); |
| 980 |
} |
| 981 |
|
Parent Directory
| 
Revision Log