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cdrom: cleanup logging
[pcsx_rearmed.git] / libpcsxcore / cdrom.c
CommitLineData
ef79bbde
P		 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"
9f8b032d 26#include "psxdma.h"
ef79bbde 27
8b380e97 28/* logging */
29#if 0
30#define CDR_LOG SysPrintf
31#else
32#define CDR_LOG(...)
33#endif
34#if 0
35#define CDR_LOG_I SysPrintf
36#else
37#define CDR_LOG_I(...)
38#endif
39#if 0
40#define CDR_LOG_IO SysPrintf
41#else
42#define CDR_LOG_IO(...)
43#endif
44//#define CDR_LOG_CMD_IRQ
45
ef79bbde 46cdrStruct cdr;
8e1040b6 47static unsigned char *pTransfer;
ef79bbde
P		 48
49/* CD-ROM magic numbers */
50#define CdlSync 0
51#define CdlNop 1
52#define CdlSetloc 2
53#define CdlPlay 3
54#define CdlForward 4
55#define CdlBackward 5
56#define CdlReadN 6
57#define CdlStandby 7
58#define CdlStop 8
59#define CdlPause 9
60#define CdlInit 10
61#define CdlMute 11
62#define CdlDemute 12
63#define CdlSetfilter 13
64#define CdlSetmode 14
65#define CdlGetmode 15
66#define CdlGetlocL 16
67#define CdlGetlocP 17
68#define CdlReadT 18
69#define CdlGetTN 19
70#define CdlGetTD 20
71#define CdlSeekL 21
72#define CdlSeekP 22
73#define CdlSetclock 23
74#define CdlGetclock 24
75#define CdlTest 25
76#define CdlID 26
77#define CdlReadS 27
78#define CdlReset 28
79#define CdlReadToc 30
80
81#define AUTOPAUSE 249
82#define READ_ACK 250
83#define READ 251
84#define REPPLAY_ACK 252
85#define REPPLAY 253
86#define ASYNC 254
87/* don't set 255, it's reserved */
88
89char *CmdName[0x100]= {
90 "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay",
91 "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby",
92 "CdlStop", "CdlPause", "CdlInit", "CdlMute",
93 "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode",
94 "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN",
95 "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock",
96 "CdlGetclock", "CdlTest", "CdlID", "CdlReadS",
97 "CdlReset", NULL, "CDlReadToc", NULL
98};
99
100unsigned char Test04[] = { 0 };
101unsigned char Test05[] = { 0 };
102unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 };
103unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F };
104unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 };
105
9f8b032d 106// cdr.Stat:
107#define NoIntr 0
108#define DataReady 1
109#define Complete 2
110#define Acknowledge 3
111#define DataEnd 4
112#define DiskError 5
113
114/* Modes flags */
115#define MODE_SPEED (1<<7) // 0x80
116#define MODE_STRSND (1<<6) // 0x40 ADPCM on/off
117#define MODE_SIZE_2340 (1<<5) // 0x20
118#define MODE_SIZE_2328 (1<<4) // 0x10
119#define MODE_SF (1<<3) // 0x08 channel on/off
120#define MODE_REPORT (1<<2) // 0x04
121#define MODE_AUTOPAUSE (1<<1) // 0x02
122#define MODE_CDDA (1<<0) // 0x01
123
124/* Status flags */
125#define STATUS_PLAY (1<<7) // 0x80
126#define STATUS_SEEK (1<<6) // 0x40
127#define STATUS_READ (1<<5) // 0x20
128#define STATUS_SHELLOPEN (1<<4) // 0x10
129#define STATUS_UNKNOWN3 (1<<3) // 0x08
130#define STATUS_UNKNOWN2 (1<<2) // 0x04
131#define STATUS_ROTATING (1<<1) // 0x02
132#define STATUS_ERROR (1<<0) // 0x01
133
134
135
ef79bbde
P		 136// 1x = 75 sectors per second
137// PSXCLK = 1 sec in the ps
138// so (PSXCLK / 75) = cdr read time (linuzappz)
139#define cdReadTime (PSXCLK / 75)
140
39df67df 141// for cdr.Seeked
142enum seeked_state {
143 SEEK_PENDING = 0,
144 SEEK_DONE = 1,
145 SEEK_DOING_CMD = 2,
146};
147
ef79bbde 148static struct CdrStat stat;
ef79bbde 149
305c8c93 150static unsigned int msf2sec(u8 *msf) {
9f8b032d 151 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
152}
153
305c8c93 154static void sec2msf(unsigned int s, u8 *msf) {
9f8b032d 155 msf[0] = s / 75 / 60;
156 s = s - msf[0] * 75 * 60;
157 msf[1] = s / 75;
158 s = s - msf[1] * 75;
159 msf[2] = s;
160}
161
39df67df 162// cdrInterrupt
ef79bbde 163#define CDR_INT(eCycle) { \
d28b54b1 164 psxRegs.interrupt |= (1 << PSXINT_CDR); \
165 psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \
166 psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \
167 new_dyna_set_event(PSXINT_CDR, eCycle); \
ae602c19 168}
ef79bbde 169
39df67df 170// cdrReadInterrupt
ef79bbde 171#define CDREAD_INT(eCycle) { \
d28b54b1 172 psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
173 psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
174 psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
175 new_dyna_set_event(PSXINT_CDREAD, eCycle); \
ae602c19 176}
ef79bbde 177
39df67df 178// cdrLidSeekInterrupt
9f8b032d 179#define CDRLID_INT(eCycle) { \
180 psxRegs.interrupt |= (1 << PSXINT_CDRLID); \
181 psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \
182 psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \
183 new_dyna_set_event(PSXINT_CDRLID, eCycle); \
184}
185
39df67df 186// cdrPlayInterrupt
187#define CDRMISC_INT(eCycle) { \
7f457614 188 psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \
189 psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \
190 psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \
191 new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \
192}
193
ef79bbde
P		 194#define StartReading(type, eCycle) { \
195 cdr.Reading = type; \
196 cdr.FirstSector = 1; \
197 cdr.Readed = 0xff; \
198 AddIrqQueue(READ_ACK, eCycle); \
199}
200
201#define StopReading() { \
202 if (cdr.Reading) { \
203 cdr.Reading = 0; \
d28b54b1 204 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
ef79bbde 205 } \
9f8b032d 206 cdr.StatP &= ~STATUS_READ;\
ef79bbde
P		 207}
208
209#define StopCdda() { \
210 if (cdr.Play) { \
211 if (!Config.Cdda) CDR_stop(); \
9f8b032d 212 cdr.StatP &= ~STATUS_PLAY; \
ef79bbde 213 cdr.Play = FALSE; \
9f8b032d 214 cdr.FastForward = 0; \
215 cdr.FastBackward = 0; \
216 /*SPU_registerCallback( SPUirq );*/ \
ef79bbde
P		 217 } \
218}
219
220#define SetResultSize(size) { \
221 cdr.ResultP = 0; \
222 cdr.ResultC = size; \
223 cdr.ResultReady = 1; \
224}
225
9f8b032d 226
227void cdrLidSeekInterrupt()
228{
229 // turn back on checking
230 if( cdr.LidCheck == 0x10 )
231 {
232 cdr.LidCheck = 0;
233 }
234
235 // official lid close
236 else if( cdr.LidCheck == 0x30 )
237 {
238 // GS CDX 3.3: $13
239 cdr.StatP |= STATUS_ROTATING;
240
241
242 // GS CDX 3.3 - ~50 getlocp tries
243 CDRLID_INT( cdReadTime * 3 );
244 cdr.LidCheck = 0x40;
245 }
246
247 // turn off ready
248 else if( cdr.LidCheck == 0x40 )
249 {
250 // GS CDX 3.3: $01
251 cdr.StatP &= ~STATUS_SHELLOPEN;
252 cdr.StatP &= ~STATUS_ROTATING;
253
254
255 // GS CDX 3.3 - ~50 getlocp tries
256 CDRLID_INT( cdReadTime * 3 );
257 cdr.LidCheck = 0x50;
258 }
259
260 // now seek
261 else if( cdr.LidCheck == 0x50 )
262 {
263 // GameShark Lite: Start seeking ($42)
264 cdr.StatP |= STATUS_SEEK;
265 cdr.StatP |= STATUS_ROTATING;
266 cdr.StatP &= ~STATUS_ERROR;
267
268
269 CDRLID_INT( cdReadTime * 3 );
270 cdr.LidCheck = 0x60;
271 }
272
273 // done = cd ready
274 else if( cdr.LidCheck == 0x60 )
275 {
276 // GameShark Lite: Seek detection done ($02)
277 cdr.StatP &= ~STATUS_SEEK;
278
279 cdr.LidCheck = 0;
280 }
281}
282
9f8b032d 283static void Check_Shell( int Irq )
284{
285 // check case open/close
286 if (cdr.LidCheck > 0)
287 {
9f8b032d 288 CDR_LOG( "LidCheck\n" );
9f8b032d 289
290 // $20 = check lid state
291 if( cdr.LidCheck == 0x20 )
292 {
293 u32 i;
294
295 i = stat.Status;
296 if (CDR_getStatus(&stat) != -1)
297 {
aa1f7284 298 // BIOS hangs + BIOS error messages
299 //if (stat.Type == 0xff)
300 //cdr.Stat = DiskError;
9f8b032d 301
302 // case now open
aa1f7284 303 if (stat.Status & STATUS_SHELLOPEN)
9f8b032d 304 {
305 // Vib Ribbon: pre-CD swap
306 StopCdda();
307
308
309 // GameShark Lite: Death if DiskError happens
310 //
311 // Vib Ribbon: Needs DiskError for CD swap
312
313 if (Irq != CdlNop)
314 {
315 cdr.Stat = DiskError;
316
317 cdr.StatP |= STATUS_ERROR;
318 cdr.Result[0] |= STATUS_ERROR;
319 }
320
321 // GameShark Lite: Wants -exactly- $10
322 cdr.StatP |= STATUS_SHELLOPEN;
323 cdr.StatP &= ~STATUS_ROTATING;
324
325
326 CDRLID_INT( cdReadTime * 3 );
327 cdr.LidCheck = 0x10;
328
329
330 // GS CDX 3.3 = $11
331 }
332
333 // case just closed
334 else if ( i & STATUS_SHELLOPEN )
335 {
336 cdr.StatP |= STATUS_ROTATING;
337
338 CheckCdrom();
339
340
341 if( cdr.Stat == NoIntr )
342 cdr.Stat = Acknowledge;
343
344 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
345
346
347 // begin close-seek-ready cycle
348 CDRLID_INT( cdReadTime * 3 );
349 cdr.LidCheck = 0x30;
350
351
352 // GameShark Lite: Wants -exactly- $42, then $02
353 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
354 }
355
356 // case still closed - wait for recheck
357 else
358 {
359 CDRLID_INT( cdReadTime * 3 );
360 cdr.LidCheck = 0x10;
361 }
362 }
363 }
364
365
366 // GS CDX: clear all values but #1,#2
367 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
368 {
369 SetResultSize(16);
370 memset( cdr.Result, 0, 16 );
371
372 cdr.Result[0] = cdr.StatP;
373
374
375 // GS CDX: special return value
376 if( cdr.StatP & STATUS_SHELLOPEN )
377 {
378 cdr.Result[1] = 0x80;
379 }
380
381
382 if( cdr.Stat == NoIntr )
383 cdr.Stat = Acknowledge;
384
385 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
386 }
387 }
388}
389
390
391void Find_CurTrack() {
392 cdr.CurTrack = 0;
393
394 if (CDR_getTN(cdr.ResultTN) != -1) {
395 int lcv;
396
397 for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
398 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
399 u32 sect1, sect2;
400
9f8b032d 401 CDR_LOG( "curtrack %d %d %d | %d %d %d | %d\n",
402 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
403 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
404 cdr.CurTrack );
9f8b032d 405
406 // find next track boundary - only need m:s accuracy
407 sect1 = cdr.SetSectorPlay[0] * 60 * 75 + cdr.SetSectorPlay[1] * 75;
408 sect2 = cdr.ResultTD[2] * 60 * 75 + cdr.ResultTD[1] * 75;
409
410 // Twisted Metal 4 - psx cdda pregap (2-sec)
411 // - fix in-game music
412 sect2 -= 75 * 2;
413
414 if( sect1 >= sect2 ) {
415 cdr.CurTrack++;
416 continue;
417 }
418 }
419
420 break;
421 }
422 }
423}
424
425static void ReadTrack( u8 *time ) {
426 cdr.Prev[0] = itob( time[0] );
427 cdr.Prev[1] = itob( time[1] );
428 cdr.Prev[2] = itob( time[2] );
ef79bbde 429
ef79bbde 430 CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
ef79bbde
P		 431 cdr.RErr = CDR_readTrack(cdr.Prev);
432}
433
ef79bbde 434
39df67df 435static void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
8b380e97 436 if (cdr.Irq != 0 && cdr.Irq != 0xff)
437 CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq);
39df67df 438
ef79bbde 439 cdr.Irq = irq;
9f8b032d 440 cdr.eCycle = ecycle;
441
9f8b032d 442 CDR_INT(ecycle);
443}
444
445
446void Set_Track()
447{
448 if (CDR_getTN(cdr.ResultTN) != -1) {
449 int lcv;
450
451 for( lcv = 1; lcv < cdr.ResultTN[1]; lcv++ ) {
452 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
9f8b032d 453 CDR_LOG( "settrack %d %d %d | %d %d %d | %d\n",
454 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
455 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
456 cdr.CurTrack );
9f8b032d 457
458 // check if time matches track start (only need min, sec accuracy)
459 // - m:s:f vs f:s:m
460 if( cdr.SetSectorPlay[0] == cdr.ResultTD[2] &&
461 cdr.SetSectorPlay[1] == cdr.ResultTD[1] ) {
462 // skip pregap frames
463 if( cdr.SetSectorPlay[2] < cdr.ResultTD[0] )
464 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
465
466 break;
467 }
468 else if( cdr.SetSectorPlay[0] < cdr.ResultTD[2] )
469 break;
470 }
471 }
472 }
473}
474
475
476static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
7f457614 477static void Create_Fake_Subq()
9f8b032d 478{
479 u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
480 int diff;
481
482 if (CDR_getTN(cdr.ResultTN) == -1) return;
483 if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
484 pregap = 150;
485 if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
486 } else {
487 // last track - cd size
488 pregap = 0;
489 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
490 }
491
492 if( cdr.Play == TRUE ) {
493 temp_cur[0] = cdr.SetSectorPlay[0];
494 temp_cur[1] = cdr.SetSectorPlay[1];
495 temp_cur[2] = cdr.SetSectorPlay[2];
496 } else {
497 temp_cur[0] = btoi( cdr.Prev[0] );
498 temp_cur[1] = btoi( cdr.Prev[1] );
499 temp_cur[2] = btoi( cdr.Prev[2] );
500 }
501
502 fake_subq_real[0] = temp_cur[0];
503 fake_subq_real[1] = temp_cur[1];
504 fake_subq_real[2] = temp_cur[2];
505
506 temp_next[0] = cdr.ResultTD[2];
507 temp_next[1] = cdr.ResultTD[1];
508 temp_next[2] = cdr.ResultTD[0];
509
510
511 // flag- next track
512 if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
513 fake_subq_change = 1;
514
515 cdr.CurTrack++;
516
517 // end cd
518 if( pregap == 0 ) StopCdda();
519 }
520
521 //////////////////////////////////////////////////
522 //////////////////////////////////////////////////
523
524 // repair
525 if( cdr.CurTrack <= cdr.ResultTN[1] ) {
526 if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
527 } else {
528 // last track - cd size
529 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
530 }
531
532 temp_start[0] = cdr.ResultTD[2];
533 temp_start[1] = cdr.ResultTD[1];
534 temp_start[2] = cdr.ResultTD[0];
535
536
9f8b032d 537 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d / %d:%d:%d / %d:%d:%d\n",
538 temp_cur[0], temp_cur[1], temp_cur[2],
539 temp_start[0], temp_start[1], temp_start[2],
540 temp_next[0], temp_next[1], temp_next[2]);
9f8b032d 541
542
543
544 // local time - pregap / real
545 diff = msf2sec(temp_cur) - msf2sec( temp_start );
546 if( diff < 0 ) {
547 fake_subq_index = 0;
548
549 sec2msf( -diff, fake_subq_local );
ef79bbde 550 } else {
9f8b032d 551 fake_subq_index = 1;
552
553 sec2msf( diff, fake_subq_local );
ef79bbde
P		 554 }
555}
556
9f8b032d 557
7f457614 558static void cdrPlayInterrupt_Autopause()
559{
560 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
9b470ab7 561 int track_changed = 0;
7f457614 562 if (subq != NULL ) {
341eb2c9 563 // update subq
564 ReadTrack( cdr.SetSectorPlay );
565
7f457614 566 CDR_LOG( "CDDA SUB - %X:%X:%X\n",
567 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
7f457614 568
569 /*
570 CDDA Autopause
571
572 Silhouette Mirage ($3)
573 Tomb Raider 1 ($7)
574 */
575
a02ee86f 576 // .. + 1 is probably wrong, but deals with corrupted subq + good checksum
577 // (how does real thing handle those?)
0e2e3f49 578 if( cdr.CurTrack + 1 == btoi( subq->TrackNumber ) )
9b470ab7 579 track_changed = 1;
7f457614 580 } else {
581 Create_Fake_Subq();
7f457614 582 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
583 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
7f457614 584
9b470ab7 585 track_changed = fake_subq_change;
7f457614 586 fake_subq_change = 0;
587 }
588
9b470ab7 589 if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
7f457614 590 CDR_LOG( "CDDA STOP\n" );
7f457614 591
592 // Magic the Gathering
593 // - looping territory cdda
594
595 // ...?
596 //cdr.ResultReady = 1;
597 //cdr.Stat = DataReady;
598 cdr.Stat = DataEnd;
599 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
600
601 StopCdda();
602 }
a02ee86f 603 else if (cdr.Mode & MODE_REPORT) {
7f457614 604 if (subq != NULL) {
7f457614 605 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
606 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
8b380e97 607
a02ee86f 608 // breaks when .sub doesn't have index 0 for some reason (bad rip?)
609 //cdr.CurTrack = btoi( subq->TrackNumber );
7f457614 610
9b470ab7 611 if (subq->AbsoluteAddress[2] & 0xf)
612 return;
613
614 cdr.Result[0] = cdr.StatP;
7f457614 615 // BIOS CD Player: data already BCD format
616 cdr.Result[1] = subq->TrackNumber;
617 cdr.Result[2] = subq->IndexNumber;
618
619 cdr.Result[3] = subq->AbsoluteAddress[0];
620 cdr.Result[4] = subq->AbsoluteAddress[1];
621 cdr.Result[5] = subq->AbsoluteAddress[2];
622 } else {
7f457614 623 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
624 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
7f457614 625
9b470ab7 626 if (fake_subq_real[2] & 0xf)
627 return;
628
629 cdr.Result[0] = cdr.StatP;
7f457614 630 // track # / index #
631 cdr.Result[1] = itob(cdr.CurTrack);
632 cdr.Result[2] = itob(fake_subq_index);
633 // absolute
634 cdr.Result[3] = itob( fake_subq_real[0] );
635 cdr.Result[4] = itob( fake_subq_real[1] );
636 cdr.Result[5] = itob( fake_subq_real[2] );
637 }
638
639 // Rayman: Logo freeze (resultready + dataready)
640 cdr.ResultReady = 1;
641 cdr.Stat = DataReady;
642
643 SetResultSize(8);
644 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
645 }
646}
647
39df67df 648// also handles seek
7f457614 649void cdrPlayInterrupt()
650{
39df67df 651 if (cdr.Seeked == SEEK_DOING_CMD) {
e7e33ef2 652 if (cdr.Stat) {
8b380e97 653 CDR_LOG_I("cdrom: seek stat hack\n");
e7e33ef2 654 CDRMISC_INT(0x1000);
655 return;
656 }
39df67df 657 SetResultSize(1);
658 cdr.StatP |= STATUS_ROTATING;
659 cdr.StatP &= ~STATUS_SEEK;
660 cdr.Result[0] = cdr.StatP;
661 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
662 cdr.Stat = Complete;
f9ccca15 663 if (cdr.Reg2 != 0x18)
39df67df 664 psxHu32ref(0x1070) |= SWAP32(0x4);
665 }
666
667 cdr.Seeked = SEEK_PENDING;
668 CDRMISC_INT(cdReadTime * 20); // ???
669 return;
670 }
671 else if (cdr.Seeked == SEEK_PENDING) {
672 cdr.Seeked = SEEK_DONE;
673 if (!cdr.Play && !cdr.Reading) {
674 memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
675 Find_CurTrack();
676 ReadTrack(cdr.SetSector);
677 }
678 }
679
680 if (!cdr.Play) return;
7f457614 681
7f457614 682 CDR_LOG( "CDDA - %d:%d:%d\n",
683 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
8b380e97 684
39df67df 685 CDRMISC_INT( cdReadTime );
7f457614 686
687 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
688 cdrPlayInterrupt_Autopause();
689
690 cdr.SetSectorPlay[2]++;
691 if (cdr.SetSectorPlay[2] == 75) {
692 cdr.SetSectorPlay[2] = 0;
693 cdr.SetSectorPlay[1]++;
694 if (cdr.SetSectorPlay[1] == 60) {
695 cdr.SetSectorPlay[1] = 0;
696 cdr.SetSectorPlay[0]++;
697 }
698 }
699
700 //Check_Shell(0);
701}
702
ef79bbde
P		 703void cdrInterrupt() {
704 int i;
705 unsigned char Irq = cdr.Irq;
7f457614 706 struct SubQ *subq;
ef79bbde 707
9f8b032d 708 // Reschedule IRQ
ef79bbde 709 if (cdr.Stat) {
8b380e97 710 CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat);
e7e33ef2 711 CDR_INT(0x1000);
ef79bbde
P		 712 return;
713 }
714
715 cdr.Irq = 0xff;
716 cdr.Ctrl &= ~0x80;
717
718 switch (Irq) {
719 case CdlSync:
720 SetResultSize(1);
9f8b032d 721 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 722 cdr.Result[0] = cdr.StatP;
723 cdr.Stat = Acknowledge;
724 break;
725
726 case CdlNop:
727 SetResultSize(1);
728 cdr.Result[0] = cdr.StatP;
729 cdr.Stat = Acknowledge;
9f8b032d 730
731 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 732 break;
733
734 case CdlSetloc:
735 cdr.CmdProcess = 0;
736 SetResultSize(1);
9f8b032d 737 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 738 cdr.Result[0] = cdr.StatP;
739 cdr.Stat = Acknowledge;
740 break;
741
742 case CdlPlay:
9f8b032d 743 fake_subq_change = 0;
744
39df67df 745 if (cdr.Seeked == SEEK_PENDING) {
746 // XXX: wrong, should seek instead..
9f8b032d 747 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
39df67df 748 cdr.Seeked = SEEK_DONE;
9f8b032d 749 }
750
751 /*
752 Rayman: detect track changes
753 - fixes logo freeze
754
755 Twisted Metal 2: skip PREGAP + starting accurate SubQ
756 - plays tracks without retry play
757
758 Wild 9: skip PREGAP + starting accurate SubQ
759 - plays tracks without retry play
760 */
696c9530 761 /* unneeded with correct cdriso?
9f8b032d 762 Set_Track();
696c9530 763 */
9f8b032d 764 Find_CurTrack();
765 ReadTrack( cdr.SetSectorPlay );
766
9f8b032d 767 // GameShark CD Player: Calls 2x + Play 2x
768 if( cdr.FastBackward || cdr.FastForward ) {
769 if( cdr.FastForward ) cdr.FastForward--;
770 if( cdr.FastBackward ) cdr.FastBackward--;
771
772 if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
773 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
774 cdr.SetSectorPlay[0] = stat.Time[0];
775 cdr.SetSectorPlay[1] = stat.Time[1];
776 cdr.SetSectorPlay[2] = stat.Time[2];
777 }
778 }
779 }
780
781
782 if (!Config.Cdda) {
783 // BIOS CD Player
784 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
785
786 // GameShark CD Player: Resume play
787 if( cdr.ParamC == 0 ) {
9f8b032d 788 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
789 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
9f8b032d 790
791 //CDR_play( cdr.SetSectorPlay );
792 }
793 else
794 {
795 // BIOS CD Player: Resume play
796 if( cdr.Param[0] == 0 ) {
9f8b032d 797 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
798 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
9f8b032d 799
800 //CDR_play( cdr.SetSectorPlay );
801 }
802 else {
9f8b032d 803 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
804 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
9f8b032d 805
806 // BIOS CD Player: Allow track replaying
807 StopCdda();
808
809
810 cdr.CurTrack = btoi( cdr.Param[0] );
811
812 if (CDR_getTN(cdr.ResultTN) != -1) {
813 // check last track
814 if (cdr.CurTrack > cdr.ResultTN[1])
815 cdr.CurTrack = cdr.ResultTN[1];
816
817 if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
818 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
819 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
820 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
821
822 // reset data
a02ee86f 823 //Set_Track();
9f8b032d 824 Find_CurTrack();
825 ReadTrack( cdr.SetSectorPlay );
826
827 //CDR_play(cdr.SetSectorPlay);
828 }
829 }
830 }
831 }
832 }
833
834
835 // Vib Ribbon: gameplay checks flag
836 cdr.StatP &= ~STATUS_SEEK;
837
838
ef79bbde
P		 839 cdr.CmdProcess = 0;
840 SetResultSize(1);
9f8b032d 841 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 842 cdr.Result[0] = cdr.StatP;
843 cdr.Stat = Acknowledge;
9f8b032d 844
845 cdr.StatP |= STATUS_PLAY;
846
847
848 // BIOS player - set flag again
849 cdr.Play = TRUE;
850
39df67df 851 CDRMISC_INT( cdReadTime );
ef79bbde
P		 852 break;
853
9f8b032d 854 case CdlForward:
ef79bbde
P		 855 cdr.CmdProcess = 0;
856 SetResultSize(1);
9f8b032d 857 cdr.StatP |= STATUS_ROTATING;
858 cdr.Result[0] = cdr.StatP;
859 cdr.Stat = Complete;
860
861
862 // GameShark CD Player: Calls 2x + Play 2x
863 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
864 else cdr.FastForward++;
865
866 cdr.FastBackward = 0;
ef79bbde
P		 867 break;
868
9f8b032d 869 case CdlBackward:
ef79bbde
P		 870 cdr.CmdProcess = 0;
871 SetResultSize(1);
9f8b032d 872 cdr.StatP |= STATUS_ROTATING;
873 cdr.Result[0] = cdr.StatP;
874 cdr.Stat = Complete;
875
876
877 // GameShark CD Player: Calls 2x + Play 2x
878 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
879 else cdr.FastBackward++;
880
881 cdr.FastForward = 0;
ef79bbde
P		 882 break;
883
9f8b032d 884 case CdlStandby:
ef79bbde
P		 885 cdr.CmdProcess = 0;
886 SetResultSize(1);
9f8b032d 887 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 888 cdr.Result[0] = cdr.StatP;
889 cdr.Stat = Complete;
890 break;
891
892 case CdlStop:
893 cdr.CmdProcess = 0;
894 SetResultSize(1);
9f8b032d 895 cdr.StatP &= ~STATUS_ROTATING;
ef79bbde
P		 896 cdr.Result[0] = cdr.StatP;
897 cdr.Stat = Complete;
898// cdr.Stat = Acknowledge;
899
9f8b032d 900 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 901 break;
902
903 case CdlPause:
904 SetResultSize(1);
905 cdr.Result[0] = cdr.StatP;
9f8b032d 906 cdr.Stat = Acknowledge;
907
12228917 908 /*
909 Gundam Battle Assault 2: much slower (*)
910 - Fixes boot, gameplay
911
912 Hokuto no Ken 2: slower
913 - Fixes intro + subtitles
914
915 InuYasha - Feudal Fairy Tale: slower
916 - Fixes battles
917 */
918 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
ef79bbde
P		 919 cdr.Ctrl |= 0x80;
920 break;
921
922 case CdlPause + 0x20:
923 SetResultSize(1);
9f8b032d 924 cdr.StatP &= ~STATUS_READ;
925 cdr.StatP |= STATUS_ROTATING;
ef79bbde 926 cdr.Result[0] = cdr.StatP;
9f8b032d 927 cdr.Stat = Complete;
ef79bbde
P		 928 break;
929
9f8b032d 930 case CdlInit:
ef79bbde 931 SetResultSize(1);
9f8b032d 932 cdr.StatP = STATUS_ROTATING;
ef79bbde 933 cdr.Result[0] = cdr.StatP;
9f8b032d 934 cdr.Stat = Acknowledge;
ef79bbde 935// if (!cdr.Init) {
9f8b032d 936 AddIrqQueue(CdlInit + 0x20, 0x800);
ef79bbde
P		 937// }
938 break;
939
940 case CdlInit + 0x20:
941 SetResultSize(1);
942 cdr.Result[0] = cdr.StatP;
9f8b032d 943 cdr.Stat = Complete;
ef79bbde
P		 944 cdr.Init = 1;
945 break;
946
9f8b032d 947 case CdlMute:
ef79bbde 948 SetResultSize(1);
9f8b032d 949 cdr.StatP |= STATUS_ROTATING;
950 cdr.Result[0] = cdr.StatP;
951 cdr.Stat = Acknowledge;
ef79bbde
P		 952 break;
953
9f8b032d 954 case CdlDemute:
ef79bbde 955 SetResultSize(1);
9f8b032d 956 cdr.StatP |= STATUS_ROTATING;
957 cdr.Result[0] = cdr.StatP;
958 cdr.Stat = Acknowledge;
ef79bbde
P		 959 break;
960
9f8b032d 961 case CdlSetfilter:
ef79bbde 962 SetResultSize(1);
9f8b032d 963 cdr.StatP |= STATUS_ROTATING;
964 cdr.Result[0] = cdr.StatP;
965 cdr.Stat = Acknowledge;
966 break;
ef79bbde
P		 967
968 case CdlSetmode:
969 SetResultSize(1);
9f8b032d 970 cdr.StatP |= STATUS_ROTATING;
971 cdr.Result[0] = cdr.StatP;
972 cdr.Stat = Acknowledge;
973 break;
ef79bbde 974
9f8b032d 975 case CdlGetmode:
ef79bbde 976 SetResultSize(6);
9f8b032d 977 cdr.StatP |= STATUS_ROTATING;
978 cdr.Result[0] = cdr.StatP;
979 cdr.Result[1] = cdr.Mode;
980 cdr.Result[2] = cdr.File;
981 cdr.Result[3] = cdr.Channel;
982 cdr.Result[4] = 0;
983 cdr.Result[5] = 0;
984 cdr.Stat = Acknowledge;
985 break;
ef79bbde 986
9f8b032d 987 case CdlGetlocL:
ef79bbde 988 SetResultSize(8);
9f8b032d 989 for (i = 0; i < 8; i++)
ef79bbde 990 cdr.Result[i] = cdr.Transfer[i];
9f8b032d 991 cdr.Stat = Acknowledge;
992 break;
ef79bbde
P		 993
994 case CdlGetlocP:
9f8b032d 995 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
996 SetResultSize(17);
997 memset( cdr.Result, 0, 16 );
998
ef79bbde
P		 999 subq = (struct SubQ *)CDR_getBufferSub();
1000
1001 if (subq != NULL) {
7851087d 1002 if( cdr.Play && (cdr.Mode & MODE_CDDA) && !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
1003 // update subq
1004 ReadTrack( cdr.SetSectorPlay );
341eb2c9 1005
ef79bbde
P		 1006 cdr.Result[0] = subq->TrackNumber;
1007 cdr.Result[1] = subq->IndexNumber;
1008 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
1009 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
1010
9f8b032d 1011
1012 // subQ integrity check - data only (skip audio)
1013 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
ef79bbde
P		 1014 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
1015 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
1016 }
9f8b032d 1017 }
ef79bbde 1018 } else {
7f457614 1019 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
1020 Create_Fake_Subq();
ef79bbde 1021
ef79bbde 1022
9f8b032d 1023 // track # / index #
1024 cdr.Result[0] = itob(cdr.CurTrack);
1025 cdr.Result[1] = itob(fake_subq_index);
ef79bbde 1026
9f8b032d 1027 // local
1028 cdr.Result[2] = itob( fake_subq_local[0] );
1029 cdr.Result[3] = itob( fake_subq_local[1] );
1030 cdr.Result[4] = itob( fake_subq_local[2] );
ef79bbde 1031
9f8b032d 1032 // absolute
1033 cdr.Result[5] = itob( fake_subq_real[0] );
1034 cdr.Result[6] = itob( fake_subq_real[1] );
1035 cdr.Result[7] = itob( fake_subq_real[2] );
ef79bbde
P		 1036 }
1037
9f8b032d 1038 // redump.org - wipe time
ae4e7dc9 1039 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
9f8b032d 1040 memset( cdr.Result+2, 0, 6 );
1041 }
9f8b032d 1042
ef79bbde
P		 1043 cdr.Stat = Acknowledge;
1044 break;
1045
9f8b032d 1046 case CdlGetTN:
1047 // 5-Star Racing: don't stop CDDA
1048 //
1049 // Vib Ribbon: CD swap
1050 StopReading();
1051
ef79bbde
P		 1052 cdr.CmdProcess = 0;
1053 SetResultSize(3);
9f8b032d 1054 cdr.StatP |= STATUS_ROTATING;
1055 cdr.Result[0] = cdr.StatP;
1056 if (CDR_getTN(cdr.ResultTN) == -1) {
ef79bbde 1057 cdr.Stat = DiskError;
9f8b032d 1058 cdr.Result[0] |= STATUS_ERROR;
1059 } else {
1060 cdr.Stat = Acknowledge;
1061 cdr.Result[1] = itob(cdr.ResultTN[0]);
1062 cdr.Result[2] = itob(cdr.ResultTN[1]);
1063 }
1064 break;
ef79bbde 1065
9f8b032d 1066 case CdlGetTD:
ef79bbde
P		 1067 cdr.CmdProcess = 0;
1068 cdr.Track = btoi(cdr.Param[0]);
1069 SetResultSize(4);
9f8b032d 1070 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 1071 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1072 cdr.Stat = DiskError;
9f8b032d 1073 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1074 } else {
1075 cdr.Stat = Acknowledge;
1076 cdr.Result[0] = cdr.StatP;
1077 cdr.Result[1] = itob(cdr.ResultTD[2]);
1078 cdr.Result[2] = itob(cdr.ResultTD[1]);
1079 cdr.Result[3] = itob(cdr.ResultTD[0]);
1080 }
1081 break;
1082
9f8b032d 1083 case CdlSeekL:
39df67df 1084 case CdlSeekP:
ef79bbde 1085 SetResultSize(1);
9f8b032d 1086 cdr.StatP |= STATUS_ROTATING;
1087 cdr.Result[0] = cdr.StatP;
1088 cdr.StatP |= STATUS_SEEK;
1089 cdr.Stat = Acknowledge;
1090
1091 /*
1092 Crusaders of Might and Magic = 0.5x-4x
1093 - fix cutscene speech start
1094
1095 Eggs of Steel = 2x-?
1096 - fix new game
1097
1098 Medievil = ?-4x
1099 - fix cutscene speech
1100
1101 Rockman X5 = 0.5-4x
1102 - fix capcom logo
1103 */
39df67df 1104 CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4);
1105 cdr.Seeked = SEEK_DOING_CMD;
ef79bbde
P		 1106 break;
1107
1108 case CdlTest:
9f8b032d 1109 cdr.Stat = Acknowledge;
1110 switch (cdr.Param[0]) {
1111 case 0x20: // System Controller ROM Version
ef79bbde
P		 1112 SetResultSize(4);
1113 memcpy(cdr.Result, Test20, 4);
1114 break;
1115 case 0x22:
1116 SetResultSize(8);
1117 memcpy(cdr.Result, Test22, 4);
1118 break;
1119 case 0x23: case 0x24:
1120 SetResultSize(8);
1121 memcpy(cdr.Result, Test23, 4);
1122 break;
9f8b032d 1123 }
ef79bbde
P		 1124 break;
1125
9f8b032d 1126 case CdlID:
ef79bbde 1127 SetResultSize(1);
9f8b032d 1128 cdr.StatP |= STATUS_ROTATING;
1129 cdr.Result[0] = cdr.StatP;
1130 cdr.Stat = Acknowledge;
1131 AddIrqQueue(CdlID + 0x20, 0x800);
ef79bbde
P		 1132 break;
1133
1134 case CdlID + 0x20:
1135 SetResultSize(8);
9f8b032d 1136
1137 if (CDR_getStatus(&stat) == -1) {
1138 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1139 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1140 }
1141 else {
1142 if (stat.Type == 2) {
1143 // Music CD
1144 cdr.Result[0] = 0x08;
1145 cdr.Result[1] = 0x10;
1146
1147 cdr.Result[1] |= 0x80;
1148 }
1149 else {
1150 // Data CD
1151 if (CdromId[0] == '\0') {
1152 cdr.Result[0] = 0x00;
1153 cdr.Result[1] = 0x80;
1154 }
1155 else {
1156 cdr.Result[0] = 0x08;
1157 cdr.Result[1] = 0x00;
1158 }
1159 }
1160 }
1161
ef79bbde
P		 1162 cdr.Result[2] = 0x00;
1163 cdr.Result[3] = 0x00;
1164 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1165 cdr.Stat = Complete;
1166 break;
1167
1168 case CdlReset:
1169 SetResultSize(1);
9f8b032d 1170 cdr.StatP = STATUS_ROTATING;
ef79bbde 1171 cdr.Result[0] = cdr.StatP;
9f8b032d 1172 cdr.Stat = Acknowledge;
ef79bbde
P		 1173 break;
1174
9f8b032d 1175 case CdlReadT:
1176 SetResultSize(1);
1177 cdr.StatP |= STATUS_ROTATING;
1178 cdr.Result[0] = cdr.StatP;
1179 cdr.Stat = Acknowledge;
1180 AddIrqQueue(CdlReadT + 0x20, 0x800);
1181 break;
1182
1183 case CdlReadT + 0x20:
1184 SetResultSize(1);
1185 cdr.StatP |= STATUS_ROTATING;
1186 cdr.Result[0] = cdr.StatP;
1187 cdr.Stat = Complete;
1188 break;
1189
1190 case CdlReadToc:
ef79bbde 1191 SetResultSize(1);
9f8b032d 1192 cdr.StatP |= STATUS_ROTATING;
1193 cdr.Result[0] = cdr.StatP;
1194 cdr.Stat = Acknowledge;
1195 AddIrqQueue(CdlReadToc + 0x20, 0x800);
ef79bbde
P		 1196 break;
1197
9f8b032d 1198 case CdlReadToc + 0x20:
ef79bbde 1199 SetResultSize(1);
9f8b032d 1200 cdr.StatP |= STATUS_ROTATING;
1201 cdr.Result[0] = cdr.StatP;
1202 cdr.Stat = Complete;
ef79bbde
P		 1203 break;
1204
1205 case AUTOPAUSE:
1206 cdr.OCUP = 0;
1207/* SetResultSize(1);
1208 StopCdda();
1209 StopReading();
1210 cdr.OCUP = 0;
9f8b032d 1211 cdr.StatP&=~0x20;
ef79bbde 1212 cdr.StatP|= 0x2;
9f8b032d 1213 cdr.Result[0] = cdr.StatP;
1214 cdr.Stat = DataEnd;
ef79bbde
P		 1215*/ AddIrqQueue(CdlPause, 0x800);
1216 break;
1217
1218 case READ_ACK:
1219 if (!cdr.Reading) return;
1220
9f8b032d 1221
1222 // Fighting Force 2 - update subq time immediately
1223 // - fixes new game
1224 ReadTrack( cdr.SetSector );
1225
1226
1227 // Crusaders of Might and Magic - update getlocl now
1228 // - fixes cutscene speech
1229 {
1230 u8 *buf = CDR_getBuffer();
a48ae3a7 1231 if (buf != NULL)
1232 memcpy(cdr.Transfer, buf, 8);
9f8b032d 1233 }
39df67df 1234
9f8b032d 1235 /*
1236 Duke Nukem: Land of the Babes - seek then delay read for one frame
1237 - fixes cutscenes
914722b2 1238 C-12 - Final Resistance - doesn't like seek
9f8b032d 1239 */
1240
39df67df 1241 if (cdr.Seeked != SEEK_DONE) {
9f8b032d 1242 cdr.StatP |= STATUS_SEEK;
1243 cdr.StatP &= ~STATUS_READ;
1244
1245 // Crusaders of Might and Magic - use short time
1246 // - fix cutscene speech (startup)
1247
1248 // ??? - use more accurate seek time later
1249 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1250 } else {
1251 cdr.StatP |= STATUS_READ;
1252 cdr.StatP &= ~STATUS_SEEK;
1253
1254 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1255 }
ef79bbde 1256
ef79bbde 1257 SetResultSize(1);
9f8b032d 1258 cdr.StatP |= STATUS_ROTATING;
1259 cdr.Result[0] = cdr.StatP;
1260 cdr.Stat = Acknowledge;
ef79bbde
P		 1261 break;
1262
ef79bbde
P		 1263 case 0xff:
1264 return;
1265
1266 default:
1267 cdr.Stat = Complete;
1268 break;
1269 }
1270
9f8b032d 1271 Check_Shell( Irq );
1272
2daaaae3 1273 cdr.ParamP = 0;
1274 cdr.ParamC = 0;
1275
ef79bbde
P		 1276 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1277 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1278 }
1279
8b380e97 1280#ifdef CDR_LOG_CMD_IRQ
1281 SysPrintf("cdrInterrupt() Log: CDR Interrupt IRQ %d %02x: ",
1282 cdr.Stat != NoIntr && cdr.Reg2 != 0x18, Irq);
39df67df 1283 for (i = 0; i < cdr.ResultC; i++)
8b380e97 1284 SysPrintf("%02x ", cdr.Result[i]);
1285 SysPrintf("\n");
ef79bbde
P		 1286#endif
1287}
1288
1289void cdrReadInterrupt() {
1290 u8 *buf;
1291
1292 if (!cdr.Reading)
1293 return;
1294
9f8b032d 1295 if (cdr.Irq || cdr.Stat) {
8b380e97 1296 CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat);
e7e33ef2 1297 CDREAD_INT(0x1000);
ef79bbde
P		 1298 return;
1299 }
1300
9f8b032d 1301 cdr.OCUP = 1;
ef79bbde 1302 SetResultSize(1);
9f8b032d 1303 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1304 cdr.StatP &= ~STATUS_SEEK;
1305 cdr.Result[0] = cdr.StatP;
39df67df 1306 cdr.Seeked = SEEK_DONE;
ef79bbde 1307
9f8b032d 1308 ReadTrack( cdr.SetSector );
ef79bbde
P		 1309
1310 buf = CDR_getBuffer();
1311 if (buf == NULL)
1312 cdr.RErr = -1;
1313
1314 if (cdr.RErr == -1) {
8b380e97 1315 CDR_LOG_I("cdrReadInterrupt() Log: err\n");
ef79bbde
P		 1316 memset(cdr.Transfer, 0, DATA_SIZE);
1317 cdr.Stat = DiskError;
9f8b032d 1318 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1319 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1320 return;
1321 }
1322
1323 memcpy(cdr.Transfer, buf, DATA_SIZE);
1324 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1325
ef79bbde 1326
8b380e97 1327 CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
ef79bbde 1328
9f8b032d 1329 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1330 // Firemen 2: Multi-XA files - briefings, cutscenes
1331 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1332 cdr.File = cdr.Transfer[4 + 0];
1333 cdr.Channel = cdr.Transfer[4 + 1];
1334 }
1335
ef79bbde 1336 if ((cdr.Transfer[4 + 2] & 0x4) &&
9f8b032d 1337 (cdr.Transfer[4 + 1] == cdr.Channel) &&
ef79bbde
P		 1338 (cdr.Transfer[4 + 0] == cdr.File)) {
1339 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1340
1341 if (!ret) {
056d6759 1342 // only handle attenuator basic channel switch for now
1343 if (cdr.Xa.stereo) {
1344 int i;
1345 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1346 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1347 {
1348 for (i = 0; i < cdr.Xa.nsamples; i++)
1349 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1350 }
1351 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1352 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1353 {
1354 for (i = 0; i < cdr.Xa.nsamples; i++)
1355 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1356 }
1357 }
1358
ef79bbde
P		 1359 SPU_playADPCMchannel(&cdr.Xa);
1360 cdr.FirstSector = 0;
9f8b032d 1361
2f246254 1362#if 0
9f8b032d 1363 // Crash Team Racing: music, speech
2f246254 1364 // - done using cdda decoded buffer (spu irq)
1365 // - don't do here
9f8b032d 1366
1367 // signal ADPCM data ready
1368 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
2f246254 1369#endif
ef79bbde
P		 1370 }
1371 else cdr.FirstSector = -1;
1372 }
1373 }
1374
1375 cdr.SetSector[2]++;
9f8b032d 1376 if (cdr.SetSector[2] == 75) {
1377 cdr.SetSector[2] = 0;
1378 cdr.SetSector[1]++;
1379 if (cdr.SetSector[1] == 60) {
1380 cdr.SetSector[1] = 0;
1381 cdr.SetSector[0]++;
1382 }
1383 }
1384
1385 cdr.Readed = 0;
1386
1387 // G-Police: Don't autopause ADPCM even if mode set (music)
1388 if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
1389 (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
8b380e97 1390
ef79bbde 1391 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
8b380e97 1392
9f8b032d 1393// AddIrqQueue(AUTOPAUSE, 0x2000);
1394 AddIrqQueue(CdlPause, 0x2000);
ef79bbde
P		 1395 }
1396 else {
9f8b032d 1397 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1398 }
1399
1400 /*
1401 Croc 2: $40 - only FORM1 (*)
1402 Judge Dredd: $C8 - only FORM1 (*)
1403 Sim Theme Park - no adpcm at all (zero)
1404 */
1405
1406 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1407 cdr.Stat = DataReady;
1408 } else {
1409 // Breath of Fire 3 - fix inn sleeping
1410 // Rockman X5 - no music restart problem
1411 cdr.Stat = NoIntr;
ef79bbde
P		 1412 }
1413 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
9f8b032d 1414
1415 Check_Shell(0);
ef79bbde
P		 1416}
1417
1418/*
1419cdrRead0:
1420 bit 0 - 0 REG1 command send / 1 REG1 data read
1421 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1422 bit 2 - unknown
1423 bit 3 - unknown
1424 bit 4 - unknown
1425 bit 5 - 1 result ready
1426 bit 6 - 1 dma ready
1427 bit 7 - 1 command being processed
1428*/
1429
1430unsigned char cdrRead0(void) {
1431 if (cdr.ResultReady)
1432 cdr.Ctrl |= 0x20;
1433 else
1434 cdr.Ctrl &= ~0x20;
1435
1436 if (cdr.OCUP)
1437 cdr.Ctrl |= 0x40;
1438// else
1439// cdr.Ctrl &= ~0x40;
1440
1441 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1442 cdr.Ctrl |= 0x18;
1443
8b380e97 1444 CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl);
ef79bbde
P		 1445
1446 return psxHu8(0x1800) = cdr.Ctrl;
1447}
1448
1449/*
1450cdrWrite0:
1451 0 - to send a command / 1 - to get the result
1452*/
1453
1454void cdrWrite0(unsigned char rt) {
8b380e97 1455 CDR_LOG_IO("cdr w0: %02x\n", rt);
1456
50b13be9 1457 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
ef79bbde
P		 1458}
1459
1460unsigned char cdrRead1(void) {
1461 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
9f8b032d 1462 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1463 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1464 cdr.ResultP++;
ef79bbde
P		 1465 if (cdr.ResultP == cdr.ResultC)
1466 cdr.ResultReady = 0;
1467 } else {
1468 psxHu8(0x1801) = 0;
1469 }
8b380e97 1470 CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801));
1471
ef79bbde
P		 1472 return psxHu8(0x1801);
1473}
1474
1475void cdrWrite1(unsigned char rt) {
305c8c93 1476 u8 set_loc[3];
ef79bbde
P		 1477 int i;
1478
8b380e97 1479 CDR_LOG_IO("cdr w1: %02x\n", rt);
9f8b032d 1480
1481 // Tekken: CDXA fade-out
1482 if( (cdr.Ctrl & 3) == 3 ) {
056d6759 1483 cdr.AttenuatorRight[0] = rt;
9f8b032d 1484 }
1485
1486
ef79bbde 1487// psxHu8(0x1801) = rt;
9f8b032d 1488 cdr.Cmd = rt;
ef79bbde
P		 1489 cdr.OCUP = 0;
1490
8b380e97 1491#ifdef CDR_LOG_CMD_IRQ
ef79bbde
P		 1492 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1493 if (cdr.ParamC) {
1494 SysPrintf(" Param[%d] = {", cdr.ParamC);
1495 for (i = 0; i < cdr.ParamC; i++)
1496 SysPrintf(" %x,", cdr.Param[i]);
1497 SysPrintf("}\n");
1498 } else {
1499 SysPrintf("\n");
1500 }
1501#endif
1502
50b13be9 1503 if (cdr.Ctrl & 0x3) return;
ef79bbde 1504
2daaaae3 1505 cdr.ResultReady = 0;
1506
9f8b032d 1507 switch (cdr.Cmd) {
ef79bbde 1508 case CdlSync:
9f8b032d 1509 cdr.Ctrl |= 0x80;
ef79bbde 1510 cdr.Stat = NoIntr;
9f8b032d 1511 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1512 break;
1513
1514 case CdlNop:
9f8b032d 1515 cdr.Ctrl |= 0x80;
ef79bbde 1516 cdr.Stat = NoIntr;
9f8b032d 1517
1518 // Twisted Metal 3 - fix music
1519 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1520 break;
1521
1522 case CdlSetloc:
9f8b032d 1523 StopReading();
9f8b032d 1524 for (i = 0; i < 3; i++)
914722b2 1525 set_loc[i] = btoi(cdr.Param[i]);
39df67df 1526
914722b2 1527 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1528 if (i > 16)
39df67df 1529 cdr.Seeked = SEEK_PENDING;
1530
914722b2 1531 memcpy(cdr.SetSector, set_loc, 3);
ef79bbde 1532 cdr.SetSector[3] = 0;
9f8b032d 1533
9f8b032d 1534 cdr.Ctrl |= 0x80;
ef79bbde 1535 cdr.Stat = NoIntr;
9f8b032d 1536 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1537 break;
1538
1539 case CdlPlay:
9f8b032d 1540 // Vib Ribbon: try same track again
1541 StopCdda();
1542
1543 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1544 if (CDR_getTN(cdr.ResultTN) != -1) {
1545 if (cdr.CurTrack > cdr.ResultTN[1])
1546 cdr.CurTrack = cdr.ResultTN[1];
1547 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1548 int tmp = cdr.ResultTD[2];
1549 cdr.ResultTD[2] = cdr.ResultTD[0];
1550 cdr.ResultTD[0] = tmp;
1551 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1552 }
ef79bbde 1553 }
9f8b032d 1554 } else if (!Config.Cdda) {
1555 CDR_play(cdr.SetSector);
1556 }
1557
1558 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1559 // - fixes ribbon timing + music CD mode
1560 //TODO?
1561 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1562
1563
1564 cdr.Play = TRUE;
1565
1566 cdr.StatP |= STATUS_SEEK;
1567 cdr.StatP &= ~STATUS_ROTATING;
1568
1569 cdr.Ctrl |= 0x80;
1570 cdr.Stat = NoIntr;
1571 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1572 break;
1573
1574 case CdlForward:
9f8b032d 1575 //if (cdr.CurTrack < 0xaa)
1576 // cdr.CurTrack++;
1577 cdr.Ctrl |= 0x80;
ef79bbde 1578 cdr.Stat = NoIntr;
9f8b032d 1579 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1580 break;
1581
1582 case CdlBackward:
9f8b032d 1583 //if (cdr.CurTrack > 1)
1584 //cdr.CurTrack--;
1585 cdr.Ctrl |= 0x80;
1586 cdr.Stat = NoIntr;
1587 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1588 break;
1589
1590 case CdlReadN:
9f8b032d 1591 cdr.Irq = 0;
1592 StopReading();
1593 cdr.Ctrl|= 0x80;
1594 cdr.Stat = NoIntr;
1595 StartReading(1, 0x800);
1596 break;
ef79bbde
P		 1597
1598 case CdlStandby:
9f8b032d 1599 StopCdda();
1600 StopReading();
1601 cdr.Ctrl |= 0x80;
1602 cdr.Stat = NoIntr;
1603 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1604 break;
1605
1606 case CdlStop:
9f8b032d 1607 // GameShark CD Player: Reset CDDA to track start
1608 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1609 cdr.SetSectorPlay[0] = stat.Time[0];
1610 cdr.SetSectorPlay[1] = stat.Time[1];
1611 cdr.SetSectorPlay[2] = stat.Time[2];
1612
1613 Find_CurTrack();
1614
1615
1616 // grab time for current track
1617 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1618
1619 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1620 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1621 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1622 }
1623
1624 StopCdda();
1625 StopReading();
1626
1627 cdr.Ctrl |= 0x80;
1628 cdr.Stat = NoIntr;
1629 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1630 break;
1631
1632 case CdlPause:
9f8b032d 1633 /*
1634 GameShark CD Player: save time for resume
1635
aa1f7284 1636 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1637 */
ef79bbde 1638
9f8b032d 1639 StopCdda();
1640 StopReading();
1641 cdr.Ctrl |= 0x80;
1642 cdr.Stat = NoIntr;
1643
12228917 1644 AddIrqQueue(cdr.Cmd, 0x800);
9f8b032d 1645 break;
1646
1647 case CdlReset:
ef79bbde 1648 case CdlInit:
39df67df 1649 cdr.Seeked = SEEK_DONE;
9f8b032d 1650 StopCdda();
1651 StopReading();
1652 cdr.Ctrl |= 0x80;
1653 cdr.Stat = NoIntr;
1654 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1655 break;
1656
1657 case CdlMute:
1658 cdr.Muted = TRUE;
9f8b032d 1659 cdr.Ctrl |= 0x80;
ef79bbde 1660 cdr.Stat = NoIntr;
9f8b032d 1661 AddIrqQueue(cdr.Cmd, 0x800);
1662
1663 // Duke Nukem - Time to Kill
1664 // - do not directly set cd-xa volume
1665 //SPU_writeRegister( H_CDLeft, 0x0000 );
1666 //SPU_writeRegister( H_CDRight, 0x0000 );
ef79bbde
P		 1667 break;
1668
1669 case CdlDemute:
1670 cdr.Muted = FALSE;
9f8b032d 1671 cdr.Ctrl |= 0x80;
ef79bbde 1672 cdr.Stat = NoIntr;
9f8b032d 1673 AddIrqQueue(cdr.Cmd, 0x800);
1674
1675 // Duke Nukem - Time to Kill
1676 // - do not directly set cd-xa volume
1677 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1678 //SPU_writeRegister( H_CDRight, 0x7f00 );
ef79bbde
P		 1679 break;
1680
1681 case CdlSetfilter:
1682 cdr.File = cdr.Param[0];
1683 cdr.Channel = cdr.Param[1];
9f8b032d 1684 cdr.Ctrl |= 0x80;
ef79bbde 1685 cdr.Stat = NoIntr;
9f8b032d 1686 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1687 break;
1688
1689 case CdlSetmode:
9f8b032d 1690 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
8b380e97 1691
ef79bbde 1692 cdr.Mode = cdr.Param[0];
9f8b032d 1693 cdr.Ctrl |= 0x80;
ef79bbde 1694 cdr.Stat = NoIntr;
9f8b032d 1695 AddIrqQueue(cdr.Cmd, 0x800);
1696
1697 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1698 // - fixes choppy movie sound
1699 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1700 StopCdda();
ef79bbde
P		 1701 break;
1702
1703 case CdlGetmode:
9f8b032d 1704 cdr.Ctrl |= 0x80;
ef79bbde 1705 cdr.Stat = NoIntr;
9f8b032d 1706 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1707 break;
1708
1709 case CdlGetlocL:
9f8b032d 1710 cdr.Ctrl |= 0x80;
1711 cdr.Stat = NoIntr;
1712
1713 // Crusaders of Might and Magic - cutscene speech
1714 AddIrqQueue(cdr.Cmd, 0x800);
1715 break;
ef79bbde
P		 1716
1717 case CdlGetlocP:
9f8b032d 1718 cdr.Ctrl |= 0x80;
1719 cdr.Stat = NoIntr;
1720
1721 // GameShark CDX / Lite Player: pretty narrow time window
1722 // - doesn't always work due to time inprecision
1723 //AddIrqQueue(cdr.Cmd, 0x28);
1724
1725 // Tomb Raider 2 - cdda
53951880 1726 //AddIrqQueue(cdr.Cmd, 0x40);
1727
1728 // rearmed: the above works in pcsxr-svn, but breaks here
1729 // (TOCA world touring cars), perhaps some other code is not merged yet
1730 AddIrqQueue(cdr.Cmd, 0x1000);
ef79bbde
P		 1731 break;
1732
1733 case CdlGetTN:
9f8b032d 1734 cdr.Ctrl |= 0x80;
1735 cdr.Stat = NoIntr;
1736 //AddIrqQueue(cdr.Cmd, 0x800);
1737
1738 // GameShark CDX CD Player: very long time
1739 AddIrqQueue(cdr.Cmd, 0x100000);
1740 break;
ef79bbde
P		 1741
1742 case CdlGetTD:
9f8b032d 1743 cdr.Ctrl |= 0x80;
ef79bbde 1744 cdr.Stat = NoIntr;
9f8b032d 1745 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1746 break;
1747
1748 case CdlSeekL:
1749// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1750 cdr.Ctrl |= 0x80;
1751 cdr.Stat = NoIntr;
1752 AddIrqQueue(cdr.Cmd, 0x800);
1753
1754 StopCdda();
1755 StopReading();
1756
1757 break;
ef79bbde
P		 1758
1759 case CdlSeekP:
1760// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1761 cdr.Ctrl |= 0x80;
ef79bbde 1762 cdr.Stat = NoIntr;
9f8b032d 1763
1764 // Tomb Raider 2 - reset cdda
1765 StopCdda();
1766 StopReading();
1767
1768 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1769 break;
1770
9f8b032d 1771 // Destruction Derby: read TOC? GetTD after this
1772 case CdlReadT:
1773 cdr.Ctrl |= 0x80;
1774 cdr.Stat = NoIntr;
1775 AddIrqQueue(cdr.Cmd, 0x800);
1776 break;
1777
ef79bbde 1778 case CdlTest:
9f8b032d 1779 cdr.Ctrl |= 0x80;
ef79bbde 1780 cdr.Stat = NoIntr;
9f8b032d 1781 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1782 break;
1783
1784 case CdlID:
9f8b032d 1785 cdr.Ctrl |= 0x80;
ef79bbde 1786 cdr.Stat = NoIntr;
9f8b032d 1787 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1788 break;
1789
1790 case CdlReadS:
9f8b032d 1791 cdr.Irq = 0;
1792 StopReading();
1793 cdr.Ctrl |= 0x80;
1794 cdr.Stat = NoIntr;
1795 StartReading(2, 0x800);
1796 break;
ef79bbde
P		 1797
1798 case CdlReadToc:
9f8b032d 1799 cdr.Ctrl |= 0x80;
ef79bbde 1800 cdr.Stat = NoIntr;
9f8b032d 1801 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1802 break;
1803
1804 default:
2daaaae3 1805 cdr.ParamP = 0;
1806 cdr.ParamC = 0;
8b380e97 1807 CDR_LOG_I("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
9f8b032d 1808 return;
1809 }
ef79bbde
P		 1810 if (cdr.Stat != NoIntr) {
1811 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1812 }
1813}
1814
1815unsigned char cdrRead2(void) {
1816 unsigned char ret;
1817
1818 if (cdr.Readed == 0) {
1819 ret = 0;
1820 } else {
8e1040b6 1821 ret = *pTransfer++;
ef79bbde
P		 1822 }
1823
8b380e97 1824 CDR_LOG_IO("cdr r2: %02x\n", ret);
ef79bbde
P		 1825 return ret;
1826}
1827
1828void cdrWrite2(unsigned char rt) {
8b380e97 1829 CDR_LOG_IO("cdr w2: %02x\n", rt);
9f8b032d 1830
1831 // Tekken: CDXA fade-out
1832 if( (cdr.Ctrl & 3) == 2 ) {
056d6759 1833 cdr.AttenuatorLeft[0] = rt;
9f8b032d 1834 }
1835 else if( (cdr.Ctrl & 3) == 3 ) {
056d6759 1836 cdr.AttenuatorRight[1] = rt;
9f8b032d 1837 }
1838
1839
1840 if (cdr.Ctrl & 0x1) {
ef79bbde
P		 1841 switch (rt) {
1842 case 0x07:
9f8b032d 1843 cdr.ParamP = 0;
ef79bbde
P		 1844 cdr.ParamC = 0;
1845 cdr.ResultReady = 1; //0;
1846 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1847 break;
1848
1849 default:
1850 cdr.Reg2 = rt;
1851 break;
1852 }
50b13be9 1853 } else if (!(cdr.Ctrl & 0x3) && cdr.ParamP < 8) {
ef79bbde
P		 1854 cdr.Param[cdr.ParamP++] = rt;
1855 cdr.ParamC++;
1856 }
1857}
1858
1859unsigned char cdrRead3(void) {
1860 if (cdr.Stat) {
1861 if (cdr.Ctrl & 0x1)
1862 psxHu8(0x1803) = cdr.Stat | 0xE0;
1863 else
1864 psxHu8(0x1803) = 0xff;
1865 } else {
1866 psxHu8(0x1803) = 0;
1867 }
8b380e97 1868
1869 CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803));
ef79bbde
P		 1870 return psxHu8(0x1803);
1871}
1872
1873void cdrWrite3(unsigned char rt) {
8b380e97 1874 CDR_LOG_IO("cdr w3: %02x\n", rt);
056d6759 1875
9f8b032d 1876 // Tekken: CDXA fade-out
1877 if( (cdr.Ctrl & 3) == 2 ) {
1878 cdr.AttenuatorLeft[1] = rt;
1879 }
1880 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
9f8b032d 1881 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1882 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1883 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
9f8b032d 1884 }
056d6759 1885
9f8b032d 1886
1887 // GameShark CDX CD Player: Irq timing mania
1888 if( rt == 0 &&
1889 cdr.Irq != 0 && cdr.Irq != 0xff &&
1890 cdr.ResultReady == 0 ) {
1891
1892 // GS CDX: ~0x28 cycle timing - way too precise
1893 if( cdr.Irq == CdlGetlocP ) {
1894 cdrInterrupt();
1895
1896 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1897 }
1898 }
1899
1900
50b13be9 1901 if (rt == 0x07 && (cdr.Ctrl & 3) == 1) {
ef79bbde
P		 1902 cdr.Stat = 0;
1903
1904 if (cdr.Irq == 0xff) {
1905 cdr.Irq = 0;
1906 return;
1907 }
9f8b032d 1908
aa40e1b8 1909 // XA streaming - incorrect timing because of this reschedule
1910 // - Final Fantasy Tactics
1911 // - various other games
1912
9f8b032d 1913 if (cdr.Reading && !cdr.ResultReady) {
4955e9d0 1914 int left = psxRegs.intCycle[PSXINT_CDREAD].sCycle + psxRegs.intCycle[PSXINT_CDREAD].cycle - psxRegs.cycle;
1915 int time = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime;
4feed8d3 1916 if (Config.CdrReschedule != 2)
1917 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
8b380e97 1918 CDR_LOG_I("-- resched %d -> %d\n", left, time);
4feed8d3 1919 CDREAD_INT(time);
4955e9d0 1920 }
9f8b032d 1921 }
ef79bbde
P		 1922
1923 return;
1924 }
9f8b032d 1925
50b13be9 1926 if (rt == 0x80 && !(cdr.Ctrl & 0x3) && cdr.Readed == 0) {
ef79bbde 1927 cdr.Readed = 1;
8e1040b6 1928 pTransfer = cdr.Transfer;
ef79bbde
P		 1929
1930 switch (cdr.Mode & 0x30) {
9f8b032d 1931 case MODE_SIZE_2328:
ef79bbde 1932 case 0x00:
8e1040b6 1933 pTransfer += 12;
ef79bbde 1934 break;
9f8b032d 1935
1936 case MODE_SIZE_2340:
8e1040b6 1937 pTransfer += 0;
9f8b032d 1938 break;
1939
ef79bbde
P		 1940 default:
1941 break;
1942 }
1943 }
1944}
1945
1946void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1947 u32 cdsize;
c7071c43 1948 int size;
ef79bbde
P		 1949 u8 *ptr;
1950
ef79bbde 1951 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
ef79bbde
P		 1952
1953 switch (chcr) {
1954 case 0x11000000:
1955 case 0x11400100:
1956 if (cdr.Readed == 0) {
ef79bbde 1957 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
ef79bbde
P		 1958 break;
1959 }
1960
1961 cdsize = (bcr & 0xffff) * 4;
1962
9f8b032d 1963 // Ape Escape: bcr = 0001 / 0000
1964 // - fix boot
1965 if( cdsize == 0 )
1966 {
1967 switch (cdr.Mode & 0x30) {
1968 case 0x00: cdsize = 2048; break;
1969 case MODE_SIZE_2328: cdsize = 2328; break;
1970 case MODE_SIZE_2340: cdsize = 2340; break;
1971 }
1972 }
1973
1974
ef79bbde
P		 1975 ptr = (u8 *)PSXM(madr);
1976 if (ptr == NULL) {
ef79bbde 1977 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
ef79bbde
P		 1978 break;
1979 }
9f8b032d 1980
1981 /*
1982 GS CDX: Enhancement CD crash
1983 - Setloc 0:0:0
1984 - CdlPlay
1985 - Spams DMA3 and gets buffer overrun
1986 */
8e1040b6 1987 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
c7071c43 1988 if (size > cdsize)
1989 size = cdsize;
1990 if (size > 0)
9f8b032d 1991 {
8e1040b6 1992 memcpy(ptr, pTransfer, size);
9f8b032d 1993 }
1994
ef79bbde 1995 psxCpu->Clear(madr, cdsize / 4);
8e1040b6 1996 pTransfer += cdsize;
9f8b032d 1997
1998
1999 // burst vs normal
2000 if( chcr == 0x11400100 ) {
2001 CDRDMA_INT( (cdsize/4) / 4 );
2002 }
2003 else if( chcr == 0x11000000 ) {
2004 CDRDMA_INT( (cdsize/4) * 1 );
2005 }
2006 return;
2007
ef79bbde 2008 default:
ef79bbde 2009 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
ef79bbde
P		 2010 break;
2011 }
2012
2013 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2014 DMA_INTERRUPT(3);
2015}
2016
9f8b032d 2017void cdrDmaInterrupt()
2018{
ad418c19 2019 if (HW_DMA3_CHCR & SWAP32(0x01000000))
2020 {
2021 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2022 DMA_INTERRUPT(3);
2023 }
9f8b032d 2024}
2025
ef79bbde
P		 2026void cdrReset() {
2027 memset(&cdr, 0, sizeof(cdr));
2028 cdr.CurTrack = 1;
2029 cdr.File = 1;
2030 cdr.Channel = 1;
8e1040b6 2031 pTransfer = cdr.Transfer;
056d6759 2032
2033 // BIOS player - default values
2034 cdr.AttenuatorLeft[0] = 0x80;
2035 cdr.AttenuatorLeft[1] = 0x00;
2036 cdr.AttenuatorRight[0] = 0x80;
2037 cdr.AttenuatorRight[1] = 0x00;
ef79bbde
P		 2038}
2039
496d88d4 2040int cdrFreeze(void *f, int Mode) {
8e1040b6 2041 u32 tmp;
ef79bbde 2042
9f8b032d 2043 if( Mode == 0 ) {
2044 StopCdda();
2045 }
2046
2047 gzfreeze(&cdr, sizeof(cdr));
2048
ef79bbde 2049 if (Mode == 1)
8e1040b6 2050 tmp = pTransfer - cdr.Transfer;
ef79bbde
P		 2051
2052 gzfreeze(&tmp, sizeof(tmp));
2053
42f3c512 2054 if (Mode == 0) {
8e1040b6 2055 pTransfer = cdr.Transfer + tmp;
ef79bbde 2056
42f3c512 2057 if (cdr.Play && !Config.Cdda)
2058 CDR_play(cdr.SetSectorPlay);
2059 }
2060
ef79bbde
P		 2061 return 0;
2062}
9f8b032d 2063
2064void LidInterrupt() {
2065 cdr.LidCheck = 0x20; // start checker
2066
2067 CDRLID_INT( cdReadTime * 3 );
2068
2069 // generate interrupt if none active - open or close
2070 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2071 cdr.Ctrl |= 0x80;
2072 cdr.Stat = NoIntr;
2073 AddIrqQueue(CdlNop, 0x800);
2074 }
2075}
ARM optimized PCSX fork