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cdrom: resume cdda on state load
[pcsx_rearmed.git] / libpcsxcore / cdrom.c
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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
28cdrStruct 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
70char *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
81unsigned char Test04[] = { 0 };
82unsigned char Test05[] = { 0 };
83unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 };
84unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F };
85unsigned 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
122static struct CdrStat stat;
123
124static unsigned int msf2sec(char *msf) {
125 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
126}
127
128static void sec2msf(unsigned int s, char *msf) {
129 msf[0] = s / 75 / 60;
130 s = s - msf[0] * 75 * 60;
131 msf[1] = s / 75;
132 s = s - msf[1] * 75;
133 msf[2] = s;
134}
135
136
137#define CDR_INT(eCycle) { \
138 psxRegs.interrupt |= (1 << PSXINT_CDR); \
139 psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \
140 psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \
141 new_dyna_set_event(PSXINT_CDR, eCycle); \
142}
143
144#define CDREAD_INT(eCycle) { \
145 psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
146 psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
147 psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
148 new_dyna_set_event(PSXINT_CDREAD, eCycle); \
149}
150
151#define CDRLID_INT(eCycle) { \
152 psxRegs.interrupt |= (1 << PSXINT_CDRLID); \
153 psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \
154 psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \
155 new_dyna_set_event(PSXINT_CDRLID, eCycle); \
156}
157
158#define CDRPLAY_INT(eCycle) { \
159 psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \
160 psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \
161 psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \
162 new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \
163}
164
165#define StartReading(type, eCycle) { \
166 cdr.Reading = type; \
167 cdr.FirstSector = 1; \
168 cdr.Readed = 0xff; \
169 AddIrqQueue(READ_ACK, eCycle); \
170}
171
172#define StopReading() { \
173 if (cdr.Reading) { \
174 cdr.Reading = 0; \
175 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
176 } \
177 cdr.StatP &= ~STATUS_READ;\
178}
179
180#define StopCdda() { \
181 if (cdr.Play) { \
182 if (!Config.Cdda) CDR_stop(); \
183 cdr.StatP &= ~STATUS_PLAY; \
184 cdr.Play = FALSE; \
185 cdr.FastForward = 0; \
186 cdr.FastBackward = 0; \
187 /*SPU_registerCallback( SPUirq );*/ \
188 } \
189}
190
191#define SetResultSize(size) { \
192 cdr.ResultP = 0; \
193 cdr.ResultC = size; \
194 cdr.ResultReady = 1; \
195}
196
197
198void cdrLidSeekInterrupt()
199{
200 // turn back on checking
201 if( cdr.LidCheck == 0x10 )
202 {
203 cdr.LidCheck = 0;
204 }
205
206 // official lid close
207 else if( cdr.LidCheck == 0x30 )
208 {
209 // GS CDX 3.3: $13
210 cdr.StatP |= STATUS_ROTATING;
211
212
213 // GS CDX 3.3 - ~50 getlocp tries
214 CDRLID_INT( cdReadTime * 3 );
215 cdr.LidCheck = 0x40;
216 }
217
218 // turn off ready
219 else if( cdr.LidCheck == 0x40 )
220 {
221 // GS CDX 3.3: $01
222 cdr.StatP &= ~STATUS_SHELLOPEN;
223 cdr.StatP &= ~STATUS_ROTATING;
224
225
226 // GS CDX 3.3 - ~50 getlocp tries
227 CDRLID_INT( cdReadTime * 3 );
228 cdr.LidCheck = 0x50;
229 }
230
231 // now seek
232 else if( cdr.LidCheck == 0x50 )
233 {
234 // GameShark Lite: Start seeking ($42)
235 cdr.StatP |= STATUS_SEEK;
236 cdr.StatP |= STATUS_ROTATING;
237 cdr.StatP &= ~STATUS_ERROR;
238
239
240 CDRLID_INT( cdReadTime * 3 );
241 cdr.LidCheck = 0x60;
242 }
243
244 // done = cd ready
245 else if( cdr.LidCheck == 0x60 )
246 {
247 // GameShark Lite: Seek detection done ($02)
248 cdr.StatP &= ~STATUS_SEEK;
249
250 cdr.LidCheck = 0;
251 }
252}
253
254
255static void Check_Shell( int Irq )
256{
257 // check case open/close
258 if (cdr.LidCheck > 0)
259 {
260#ifdef CDR_LOG
261 CDR_LOG( "LidCheck\n" );
262#endif
263
264 // $20 = check lid state
265 if( cdr.LidCheck == 0x20 )
266 {
267 u32 i;
268
269 i = stat.Status;
270 if (CDR_getStatus(&stat) != -1)
271 {
272 // BIOS hangs + BIOS error messages
273 //if (stat.Type == 0xff)
274 //cdr.Stat = DiskError;
275
276 // case now open
277 if (stat.Status & STATUS_SHELLOPEN)
278 {
279 // Vib Ribbon: pre-CD swap
280 StopCdda();
281
282
283 // GameShark Lite: Death if DiskError happens
284 //
285 // Vib Ribbon: Needs DiskError for CD swap
286
287 if (Irq != CdlNop)
288 {
289 cdr.Stat = DiskError;
290
291 cdr.StatP |= STATUS_ERROR;
292 cdr.Result[0] |= STATUS_ERROR;
293 }
294
295 // GameShark Lite: Wants -exactly- $10
296 cdr.StatP |= STATUS_SHELLOPEN;
297 cdr.StatP &= ~STATUS_ROTATING;
298
299
300 CDRLID_INT( cdReadTime * 3 );
301 cdr.LidCheck = 0x10;
302
303
304 // GS CDX 3.3 = $11
305 }
306
307 // case just closed
308 else if ( i & STATUS_SHELLOPEN )
309 {
310 cdr.StatP |= STATUS_ROTATING;
311
312 CheckCdrom();
313
314
315 if( cdr.Stat == NoIntr )
316 cdr.Stat = Acknowledge;
317
318 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
319
320
321 // begin close-seek-ready cycle
322 CDRLID_INT( cdReadTime * 3 );
323 cdr.LidCheck = 0x30;
324
325
326 // GameShark Lite: Wants -exactly- $42, then $02
327 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
328 }
329
330 // case still closed - wait for recheck
331 else
332 {
333 CDRLID_INT( cdReadTime * 3 );
334 cdr.LidCheck = 0x10;
335 }
336 }
337 }
338
339
340 // GS CDX: clear all values but #1,#2
341 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
342 {
343 SetResultSize(16);
344 memset( cdr.Result, 0, 16 );
345
346 cdr.Result[0] = cdr.StatP;
347
348
349 // GS CDX: special return value
350 if( cdr.StatP & STATUS_SHELLOPEN )
351 {
352 cdr.Result[1] = 0x80;
353 }
354
355
356 if( cdr.Stat == NoIntr )
357 cdr.Stat = Acknowledge;
358
359 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
360 }
361 }
362}
363
364
365void Find_CurTrack() {
366 cdr.CurTrack = 0;
367
368 if (CDR_getTN(cdr.ResultTN) != -1) {
369 int lcv;
370
371 for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
372 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
373 u32 sect1, sect2;
374
375#ifdef CDR_LOG___0
376 CDR_LOG( "curtrack %d %d %d | %d %d %d | %d\n",
377 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
378 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
379 cdr.CurTrack );
380#endif
381
382 // find next track boundary - only need m:s accuracy
383 sect1 = cdr.SetSectorPlay[0] * 60 * 75 + cdr.SetSectorPlay[1] * 75;
384 sect2 = cdr.ResultTD[2] * 60 * 75 + cdr.ResultTD[1] * 75;
385
386 // Twisted Metal 4 - psx cdda pregap (2-sec)
387 // - fix in-game music
388 sect2 -= 75 * 2;
389
390 if( sect1 >= sect2 ) {
391 cdr.CurTrack++;
392 continue;
393 }
394 }
395
396 break;
397 }
398 }
399}
400
401static void ReadTrack( u8 *time ) {
402 cdr.Prev[0] = itob( time[0] );
403 cdr.Prev[1] = itob( time[1] );
404 cdr.Prev[2] = itob( time[2] );
405
406#ifdef CDR_LOG
407 CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
408#endif
409 cdr.RErr = CDR_readTrack(cdr.Prev);
410}
411
412
413void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
414 cdr.Irq = irq;
415 cdr.eCycle = ecycle;
416
417 // Doom: Force rescheduling
418 // - Fixes boot
419 CDR_INT(ecycle);
420}
421
422
423void Set_Track()
424{
425 if (CDR_getTN(cdr.ResultTN) != -1) {
426 int lcv;
427
428 for( lcv = 1; lcv < cdr.ResultTN[1]; lcv++ ) {
429 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
430#ifdef CDR_LOG___0
431 CDR_LOG( "settrack %d %d %d | %d %d %d | %d\n",
432 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
433 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
434 cdr.CurTrack );
435#endif
436
437 // check if time matches track start (only need min, sec accuracy)
438 // - m:s:f vs f:s:m
439 if( cdr.SetSectorPlay[0] == cdr.ResultTD[2] &&
440 cdr.SetSectorPlay[1] == cdr.ResultTD[1] ) {
441 // skip pregap frames
442 if( cdr.SetSectorPlay[2] < cdr.ResultTD[0] )
443 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
444
445 break;
446 }
447 else if( cdr.SetSectorPlay[0] < cdr.ResultTD[2] )
448 break;
449 }
450 }
451 }
452}
453
454
455static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
456static void Create_Fake_Subq()
457{
458 u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
459 int diff;
460
461 if (CDR_getTN(cdr.ResultTN) == -1) return;
462 if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
463 pregap = 150;
464 if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
465 } else {
466 // last track - cd size
467 pregap = 0;
468 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
469 }
470
471 if( cdr.Play == TRUE ) {
472 temp_cur[0] = cdr.SetSectorPlay[0];
473 temp_cur[1] = cdr.SetSectorPlay[1];
474 temp_cur[2] = cdr.SetSectorPlay[2];
475 } else {
476 temp_cur[0] = btoi( cdr.Prev[0] );
477 temp_cur[1] = btoi( cdr.Prev[1] );
478 temp_cur[2] = btoi( cdr.Prev[2] );
479 }
480
481 fake_subq_real[0] = temp_cur[0];
482 fake_subq_real[1] = temp_cur[1];
483 fake_subq_real[2] = temp_cur[2];
484
485 temp_next[0] = cdr.ResultTD[2];
486 temp_next[1] = cdr.ResultTD[1];
487 temp_next[2] = cdr.ResultTD[0];
488
489
490 // flag- next track
491 if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
492 fake_subq_change = 1;
493
494 cdr.CurTrack++;
495
496 // end cd
497 if( pregap == 0 ) StopCdda();
498 }
499
500 //////////////////////////////////////////////////
501 //////////////////////////////////////////////////
502
503 // repair
504 if( cdr.CurTrack <= cdr.ResultTN[1] ) {
505 if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
506 } else {
507 // last track - cd size
508 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
509 }
510
511 temp_start[0] = cdr.ResultTD[2];
512 temp_start[1] = cdr.ResultTD[1];
513 temp_start[2] = cdr.ResultTD[0];
514
515
516#ifdef CDR_LOG
517 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d / %d:%d:%d / %d:%d:%d\n",
518 temp_cur[0], temp_cur[1], temp_cur[2],
519 temp_start[0], temp_start[1], temp_start[2],
520 temp_next[0], temp_next[1], temp_next[2]);
521#endif
522
523
524
525 // local time - pregap / real
526 diff = msf2sec(temp_cur) - msf2sec( temp_start );
527 if( diff < 0 ) {
528 fake_subq_index = 0;
529
530 sec2msf( -diff, fake_subq_local );
531 } else {
532 fake_subq_index = 1;
533
534 sec2msf( diff, fake_subq_local );
535 }
536}
537
538
539static void cdrPlayInterrupt_Autopause()
540{
541 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
542 if (subq != NULL ) {
543#ifdef CDR_LOG
544 CDR_LOG( "CDDA SUB - %X:%X:%X\n",
545 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
546#endif
547
548 /*
549 CDDA Autopause
550
551 Silhouette Mirage ($3)
552 Tomb Raider 1 ($7)
553 */
554
555 if( cdr.CurTrack >= btoi( subq->TrackNumber ) )
556 return;
557 } else {
558 Create_Fake_Subq();
559#ifdef CDR_LOG___0
560 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
561 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
562#endif
563
564 if( !fake_subq_change )
565 return;
566
567 fake_subq_change = 0;
568 }
569
570 if (cdr.Mode & MODE_AUTOPAUSE) {
571#ifdef CDR_LOG
572 CDR_LOG( "CDDA STOP\n" );
573#endif
574
575 // Magic the Gathering
576 // - looping territory cdda
577
578 // ...?
579 //cdr.ResultReady = 1;
580 //cdr.Stat = DataReady;
581 cdr.Stat = DataEnd;
582 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
583
584 StopCdda();
585 }
586 if (cdr.Mode & MODE_REPORT) {
587 // rearmed note: PCSX-Reloaded does this for every sector,
588 // but we try to get away with only track change here.
589 memset( cdr.Result, 0, 8 );
590 cdr.Result[0] |= 0x10;
591
592 if (subq != NULL) {
593#ifdef CDR_LOG
594 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
595 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
596#endif
597 cdr.CurTrack = btoi( subq->TrackNumber );
598
599 // BIOS CD Player: data already BCD format
600 cdr.Result[1] = subq->TrackNumber;
601 cdr.Result[2] = subq->IndexNumber;
602
603 cdr.Result[3] = subq->AbsoluteAddress[0];
604 cdr.Result[4] = subq->AbsoluteAddress[1];
605 cdr.Result[5] = subq->AbsoluteAddress[2];
606 } else {
607#ifdef CDR_LOG___0
608 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
609 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
610#endif
611
612 // track # / index #
613 cdr.Result[1] = itob(cdr.CurTrack);
614 cdr.Result[2] = itob(fake_subq_index);
615 // absolute
616 cdr.Result[3] = itob( fake_subq_real[0] );
617 cdr.Result[4] = itob( fake_subq_real[1] );
618 cdr.Result[5] = itob( fake_subq_real[2] );
619 }
620
621 // Rayman: Logo freeze (resultready + dataready)
622 cdr.ResultReady = 1;
623 cdr.Stat = DataReady;
624
625 SetResultSize(8);
626 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
627 }
628}
629
630void cdrPlayInterrupt()
631{
632 if( !cdr.Play ) return;
633
634#ifdef CDR_LOG
635 CDR_LOG( "CDDA - %d:%d:%d\n",
636 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
637#endif
638 CDRPLAY_INT( cdReadTime );
639
640 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
641 cdrPlayInterrupt_Autopause();
642
643 cdr.SetSectorPlay[2]++;
644 if (cdr.SetSectorPlay[2] == 75) {
645 cdr.SetSectorPlay[2] = 0;
646 cdr.SetSectorPlay[1]++;
647 if (cdr.SetSectorPlay[1] == 60) {
648 cdr.SetSectorPlay[1] = 0;
649 cdr.SetSectorPlay[0]++;
650 }
651 }
652
653 //Check_Shell(0);
654}
655
656void cdrInterrupt() {
657 int i;
658 unsigned char Irq = cdr.Irq;
659 struct SubQ *subq;
660
661 // Reschedule IRQ
662 if (cdr.Stat) {
663 CDR_INT( 0x100 );
664 return;
665 }
666
667 cdr.Irq = 0xff;
668 cdr.Ctrl &= ~0x80;
669
670 switch (Irq) {
671 case CdlSync:
672 SetResultSize(1);
673 cdr.StatP |= STATUS_ROTATING;
674 cdr.Result[0] = cdr.StatP;
675 cdr.Stat = Acknowledge;
676 break;
677
678 case CdlNop:
679 SetResultSize(1);
680 cdr.Result[0] = cdr.StatP;
681 cdr.Stat = Acknowledge;
682
683 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
684 break;
685
686 case CdlSetloc:
687 cdr.CmdProcess = 0;
688 SetResultSize(1);
689 cdr.StatP |= STATUS_ROTATING;
690 cdr.Result[0] = cdr.StatP;
691 cdr.Stat = Acknowledge;
692 break;
693
694 case CdlPlay:
695 fake_subq_change = 0;
696
697 if( cdr.Seeked == FALSE ) {
698 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
699 cdr.Seeked = TRUE;
700 }
701
702 /*
703 Rayman: detect track changes
704 - fixes logo freeze
705
706 Twisted Metal 2: skip PREGAP + starting accurate SubQ
707 - plays tracks without retry play
708
709 Wild 9: skip PREGAP + starting accurate SubQ
710 - plays tracks without retry play
711 */
712 /* unneeded with correct cdriso?
713 Set_Track();
714 */
715 Find_CurTrack();
716 ReadTrack( cdr.SetSectorPlay );
717
718 // GameShark CD Player: Calls 2x + Play 2x
719 if( cdr.FastBackward || cdr.FastForward ) {
720 if( cdr.FastForward ) cdr.FastForward--;
721 if( cdr.FastBackward ) cdr.FastBackward--;
722
723 if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
724 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
725 cdr.SetSectorPlay[0] = stat.Time[0];
726 cdr.SetSectorPlay[1] = stat.Time[1];
727 cdr.SetSectorPlay[2] = stat.Time[2];
728 }
729 }
730 }
731
732
733 if (!Config.Cdda) {
734 // BIOS CD Player
735 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
736
737 // GameShark CD Player: Resume play
738 if( cdr.ParamC == 0 ) {
739#ifdef CDR_LOG___0
740 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
741 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
742#endif
743
744 //CDR_play( cdr.SetSectorPlay );
745 }
746 else
747 {
748 // BIOS CD Player: Resume play
749 if( cdr.Param[0] == 0 ) {
750#ifdef CDR_LOG___0
751 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
752 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
753#endif
754
755 //CDR_play( cdr.SetSectorPlay );
756 }
757 else {
758#ifdef CDR_LOG___0
759 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
760 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
761#endif
762
763 // BIOS CD Player: Allow track replaying
764 StopCdda();
765
766
767 cdr.CurTrack = btoi( cdr.Param[0] );
768
769 if (CDR_getTN(cdr.ResultTN) != -1) {
770 // check last track
771 if (cdr.CurTrack > cdr.ResultTN[1])
772 cdr.CurTrack = cdr.ResultTN[1];
773
774 if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
775 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
776 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
777 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
778
779 // reset data
780 Set_Track();
781 Find_CurTrack();
782 ReadTrack( cdr.SetSectorPlay );
783
784 //CDR_play(cdr.SetSectorPlay);
785 }
786 }
787 }
788 }
789 }
790
791
792 // Vib Ribbon: gameplay checks flag
793 cdr.StatP &= ~STATUS_SEEK;
794
795
796 cdr.CmdProcess = 0;
797 SetResultSize(1);
798 cdr.StatP |= STATUS_ROTATING;
799 cdr.Result[0] = cdr.StatP;
800 cdr.Stat = Acknowledge;
801
802 cdr.StatP |= STATUS_PLAY;
803
804
805 // BIOS player - set flag again
806 cdr.Play = TRUE;
807
808 CDRPLAY_INT( cdReadTime );
809 break;
810
811 case CdlForward:
812 cdr.CmdProcess = 0;
813 SetResultSize(1);
814 cdr.StatP |= STATUS_ROTATING;
815 cdr.Result[0] = cdr.StatP;
816 cdr.Stat = Complete;
817
818
819 // GameShark CD Player: Calls 2x + Play 2x
820 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
821 else cdr.FastForward++;
822
823 cdr.FastBackward = 0;
824 break;
825
826 case CdlBackward:
827 cdr.CmdProcess = 0;
828 SetResultSize(1);
829 cdr.StatP |= STATUS_ROTATING;
830 cdr.Result[0] = cdr.StatP;
831 cdr.Stat = Complete;
832
833
834 // GameShark CD Player: Calls 2x + Play 2x
835 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
836 else cdr.FastBackward++;
837
838 cdr.FastForward = 0;
839 break;
840
841 case CdlStandby:
842 cdr.CmdProcess = 0;
843 SetResultSize(1);
844 cdr.StatP |= STATUS_ROTATING;
845 cdr.Result[0] = cdr.StatP;
846 cdr.Stat = Complete;
847 break;
848
849 case CdlStop:
850 cdr.CmdProcess = 0;
851 SetResultSize(1);
852 cdr.StatP &= ~STATUS_ROTATING;
853 cdr.Result[0] = cdr.StatP;
854 cdr.Stat = Complete;
855// cdr.Stat = Acknowledge;
856
857 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
858 break;
859
860 case CdlPause:
861 SetResultSize(1);
862 cdr.Result[0] = cdr.StatP;
863 cdr.Stat = Acknowledge;
864
865 /*
866 Gundam Battle Assault 2: much slower (*)
867 - Fixes boot, gameplay
868
869 Hokuto no Ken 2: slower
870 - Fixes intro + subtitles
871
872 InuYasha - Feudal Fairy Tale: slower
873 - Fixes battles
874 */
875 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
876 cdr.Ctrl |= 0x80;
877 break;
878
879 case CdlPause + 0x20:
880 SetResultSize(1);
881 cdr.StatP &= ~STATUS_READ;
882 cdr.StatP |= STATUS_ROTATING;
883 cdr.Result[0] = cdr.StatP;
884 cdr.Stat = Complete;
885 break;
886
887 case CdlInit:
888 SetResultSize(1);
889 cdr.StatP = STATUS_ROTATING;
890 cdr.Result[0] = cdr.StatP;
891 cdr.Stat = Acknowledge;
892// if (!cdr.Init) {
893 AddIrqQueue(CdlInit + 0x20, 0x800);
894// }
895 break;
896
897 case CdlInit + 0x20:
898 SetResultSize(1);
899 cdr.Result[0] = cdr.StatP;
900 cdr.Stat = Complete;
901 cdr.Init = 1;
902 break;
903
904 case CdlMute:
905 SetResultSize(1);
906 cdr.StatP |= STATUS_ROTATING;
907 cdr.Result[0] = cdr.StatP;
908 cdr.Stat = Acknowledge;
909 break;
910
911 case CdlDemute:
912 SetResultSize(1);
913 cdr.StatP |= STATUS_ROTATING;
914 cdr.Result[0] = cdr.StatP;
915 cdr.Stat = Acknowledge;
916 break;
917
918 case CdlSetfilter:
919 SetResultSize(1);
920 cdr.StatP |= STATUS_ROTATING;
921 cdr.Result[0] = cdr.StatP;
922 cdr.Stat = Acknowledge;
923 break;
924
925 case CdlSetmode:
926 SetResultSize(1);
927 cdr.StatP |= STATUS_ROTATING;
928 cdr.Result[0] = cdr.StatP;
929 cdr.Stat = Acknowledge;
930 break;
931
932 case CdlGetmode:
933 SetResultSize(6);
934 cdr.StatP |= STATUS_ROTATING;
935 cdr.Result[0] = cdr.StatP;
936 cdr.Result[1] = cdr.Mode;
937 cdr.Result[2] = cdr.File;
938 cdr.Result[3] = cdr.Channel;
939 cdr.Result[4] = 0;
940 cdr.Result[5] = 0;
941 cdr.Stat = Acknowledge;
942 break;
943
944 case CdlGetlocL:
945 SetResultSize(8);
946 for (i = 0; i < 8; i++)
947 cdr.Result[i] = cdr.Transfer[i];
948 cdr.Stat = Acknowledge;
949 break;
950
951 case CdlGetlocP:
952 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
953 SetResultSize(17);
954 memset( cdr.Result, 0, 16 );
955
956 subq = (struct SubQ *)CDR_getBufferSub();
957
958 if (subq != NULL) {
959 cdr.Result[0] = subq->TrackNumber;
960 cdr.Result[1] = subq->IndexNumber;
961 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
962 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
963
964
965 // subQ integrity check - data only (skip audio)
966 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
967 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
968 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
969 }
970 }
971 } else {
972 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
973 Create_Fake_Subq();
974
975
976 // track # / index #
977 cdr.Result[0] = itob(cdr.CurTrack);
978 cdr.Result[1] = itob(fake_subq_index);
979
980 // local
981 cdr.Result[2] = itob( fake_subq_local[0] );
982 cdr.Result[3] = itob( fake_subq_local[1] );
983 cdr.Result[4] = itob( fake_subq_local[2] );
984
985 // absolute
986 cdr.Result[5] = itob( fake_subq_real[0] );
987 cdr.Result[6] = itob( fake_subq_real[1] );
988 cdr.Result[7] = itob( fake_subq_real[2] );
989 }
990
991 // redump.org - wipe time
992 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
993 memset( cdr.Result+2, 0, 6 );
994 }
995
996 cdr.Stat = Acknowledge;
997 break;
998
999 case CdlGetTN:
1000 // 5-Star Racing: don't stop CDDA
1001 //
1002 // Vib Ribbon: CD swap
1003 StopReading();
1004
1005 cdr.CmdProcess = 0;
1006 SetResultSize(3);
1007 cdr.StatP |= STATUS_ROTATING;
1008 cdr.Result[0] = cdr.StatP;
1009 if (CDR_getTN(cdr.ResultTN) == -1) {
1010 cdr.Stat = DiskError;
1011 cdr.Result[0] |= STATUS_ERROR;
1012 } else {
1013 cdr.Stat = Acknowledge;
1014 cdr.Result[1] = itob(cdr.ResultTN[0]);
1015 cdr.Result[2] = itob(cdr.ResultTN[1]);
1016 }
1017 break;
1018
1019 case CdlGetTD:
1020 cdr.CmdProcess = 0;
1021 cdr.Track = btoi(cdr.Param[0]);
1022 SetResultSize(4);
1023 cdr.StatP |= STATUS_ROTATING;
1024 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1025 cdr.Stat = DiskError;
1026 cdr.Result[0] |= STATUS_ERROR;
1027 } else {
1028 cdr.Stat = Acknowledge;
1029 cdr.Result[0] = cdr.StatP;
1030 cdr.Result[1] = itob(cdr.ResultTD[2]);
1031 cdr.Result[2] = itob(cdr.ResultTD[1]);
1032 cdr.Result[3] = itob(cdr.ResultTD[0]);
1033 }
1034 break;
1035
1036 case CdlSeekL:
1037 SetResultSize(1);
1038 cdr.StatP |= STATUS_ROTATING;
1039 cdr.Result[0] = cdr.StatP;
1040 cdr.StatP |= STATUS_SEEK;
1041 cdr.Stat = Acknowledge;
1042
1043 /*
1044 Crusaders of Might and Magic = 0.5x-4x
1045 - fix cutscene speech start
1046
1047 Eggs of Steel = 2x-?
1048 - fix new game
1049
1050 Medievil = ?-4x
1051 - fix cutscene speech
1052
1053 Rockman X5 = 0.5-4x
1054 - fix capcom logo
1055 */
1056 AddIrqQueue(CdlSeekL + 0x20, cdReadTime * 4);
1057 break;
1058
1059 case CdlSeekL + 0x20:
1060 SetResultSize(1);
1061 cdr.StatP |= STATUS_ROTATING;
1062 cdr.StatP &= ~STATUS_SEEK;
1063 cdr.Result[0] = cdr.StatP;
1064 cdr.Seeked = TRUE;
1065 cdr.Stat = Complete;
1066
1067
1068 // Mega Man Legends 2: must update read cursor for getlocp
1069 ReadTrack( cdr.SetSector );
1070 break;
1071
1072 case CdlSeekP:
1073 SetResultSize(1);
1074 cdr.StatP |= STATUS_ROTATING;
1075 cdr.Result[0] = cdr.StatP;
1076 cdr.StatP |= STATUS_SEEK;
1077 cdr.Stat = Acknowledge;
1078 AddIrqQueue(CdlSeekP + 0x20, cdReadTime * 1);
1079 break;
1080
1081 case CdlSeekP + 0x20:
1082 SetResultSize(1);
1083 cdr.StatP |= STATUS_ROTATING;
1084 cdr.StatP &= ~STATUS_SEEK;
1085 cdr.Result[0] = cdr.StatP;
1086 cdr.Stat = Complete;
1087 cdr.Seeked = TRUE;
1088
1089 // GameShark Music Player
1090 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
1091
1092 // Tomb Raider 2: must update read cursor for getlocp
1093 Find_CurTrack();
1094 ReadTrack( cdr.SetSectorPlay );
1095 break;
1096
1097 case CdlTest:
1098 cdr.Stat = Acknowledge;
1099 switch (cdr.Param[0]) {
1100 case 0x20: // System Controller ROM Version
1101 SetResultSize(4);
1102 memcpy(cdr.Result, Test20, 4);
1103 break;
1104 case 0x22:
1105 SetResultSize(8);
1106 memcpy(cdr.Result, Test22, 4);
1107 break;
1108 case 0x23: case 0x24:
1109 SetResultSize(8);
1110 memcpy(cdr.Result, Test23, 4);
1111 break;
1112 }
1113 break;
1114
1115 case CdlID:
1116 SetResultSize(1);
1117 cdr.StatP |= STATUS_ROTATING;
1118 cdr.Result[0] = cdr.StatP;
1119 cdr.Stat = Acknowledge;
1120 AddIrqQueue(CdlID + 0x20, 0x800);
1121 break;
1122
1123 case CdlID + 0x20:
1124 SetResultSize(8);
1125
1126 if (CDR_getStatus(&stat) == -1) {
1127 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1128 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1129 }
1130 else {
1131 if (stat.Type == 2) {
1132 // Music CD
1133 cdr.Result[0] = 0x08;
1134 cdr.Result[1] = 0x10;
1135
1136 cdr.Result[1] |= 0x80;
1137 }
1138 else {
1139 // Data CD
1140 if (CdromId[0] == '\0') {
1141 cdr.Result[0] = 0x00;
1142 cdr.Result[1] = 0x80;
1143 }
1144 else {
1145 cdr.Result[0] = 0x08;
1146 cdr.Result[1] = 0x00;
1147 }
1148 }
1149 }
1150
1151 cdr.Result[2] = 0x00;
1152 cdr.Result[3] = 0x00;
1153 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1154 cdr.Stat = Complete;
1155 break;
1156
1157 case CdlReset:
1158 SetResultSize(1);
1159 cdr.StatP = STATUS_ROTATING;
1160 cdr.Result[0] = cdr.StatP;
1161 cdr.Stat = Acknowledge;
1162 break;
1163
1164 case CdlReadT:
1165 SetResultSize(1);
1166 cdr.StatP |= STATUS_ROTATING;
1167 cdr.Result[0] = cdr.StatP;
1168 cdr.Stat = Acknowledge;
1169 AddIrqQueue(CdlReadT + 0x20, 0x800);
1170 break;
1171
1172 case CdlReadT + 0x20:
1173 SetResultSize(1);
1174 cdr.StatP |= STATUS_ROTATING;
1175 cdr.Result[0] = cdr.StatP;
1176 cdr.Stat = Complete;
1177 break;
1178
1179 case CdlReadToc:
1180 SetResultSize(1);
1181 cdr.StatP |= STATUS_ROTATING;
1182 cdr.Result[0] = cdr.StatP;
1183 cdr.Stat = Acknowledge;
1184 AddIrqQueue(CdlReadToc + 0x20, 0x800);
1185 break;
1186
1187 case CdlReadToc + 0x20:
1188 SetResultSize(1);
1189 cdr.StatP |= STATUS_ROTATING;
1190 cdr.Result[0] = cdr.StatP;
1191 cdr.Stat = Complete;
1192 break;
1193
1194 case AUTOPAUSE:
1195 cdr.OCUP = 0;
1196/* SetResultSize(1);
1197 StopCdda();
1198 StopReading();
1199 cdr.OCUP = 0;
1200 cdr.StatP&=~0x20;
1201 cdr.StatP|= 0x2;
1202 cdr.Result[0] = cdr.StatP;
1203 cdr.Stat = DataEnd;
1204*/ AddIrqQueue(CdlPause, 0x800);
1205 break;
1206
1207 case READ_ACK:
1208 if (!cdr.Reading) return;
1209
1210
1211 // Fighting Force 2 - update subq time immediately
1212 // - fixes new game
1213 ReadTrack( cdr.SetSector );
1214
1215
1216 // Crusaders of Might and Magic - update getlocl now
1217 // - fixes cutscene speech
1218 {
1219 u8 *buf = CDR_getBuffer();
1220 if (buf != NULL)
1221 memcpy(cdr.Transfer, buf, 8);
1222 }
1223
1224
1225 /*
1226 Duke Nukem: Land of the Babes - seek then delay read for one frame
1227 - fixes cutscenes
1228 C-12 - Final Resistance - doesn't like seek
1229 */
1230
1231 if (!cdr.Seeked) {
1232 cdr.Seeked = TRUE;
1233
1234 cdr.StatP |= STATUS_SEEK;
1235 cdr.StatP &= ~STATUS_READ;
1236
1237 // Crusaders of Might and Magic - use short time
1238 // - fix cutscene speech (startup)
1239
1240 // ??? - use more accurate seek time later
1241 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1242 } else {
1243 cdr.StatP |= STATUS_READ;
1244 cdr.StatP &= ~STATUS_SEEK;
1245
1246 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1247 }
1248
1249 SetResultSize(1);
1250 cdr.StatP |= STATUS_ROTATING;
1251 cdr.Result[0] = cdr.StatP;
1252 cdr.Stat = Acknowledge;
1253 break;
1254
1255 case 0xff:
1256 return;
1257
1258 default:
1259 cdr.Stat = Complete;
1260 break;
1261 }
1262
1263 Check_Shell( Irq );
1264
1265 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1266 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1267 }
1268
1269#ifdef CDR_LOG
1270 CDR_LOG("cdrInterrupt() Log: CDR Interrupt IRQ %x\n", Irq);
1271#endif
1272}
1273
1274void cdrReadInterrupt() {
1275 u8 *buf;
1276
1277 if (!cdr.Reading)
1278 return;
1279
1280 if (cdr.Irq || cdr.Stat) {
1281 CDREAD_INT(0x100);
1282 return;
1283 }
1284
1285#ifdef CDR_LOG
1286 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1287#endif
1288
1289 cdr.OCUP = 1;
1290 SetResultSize(1);
1291 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1292 cdr.StatP &= ~STATUS_SEEK;
1293 cdr.Result[0] = cdr.StatP;
1294
1295 ReadTrack( cdr.SetSector );
1296
1297 buf = CDR_getBuffer();
1298 if (buf == NULL)
1299 cdr.RErr = -1;
1300
1301 if (cdr.RErr == -1) {
1302#ifdef CDR_LOG
1303 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1304#endif
1305 memset(cdr.Transfer, 0, DATA_SIZE);
1306 cdr.Stat = DiskError;
1307 cdr.Result[0] |= STATUS_ERROR;
1308 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1309 return;
1310 }
1311
1312 memcpy(cdr.Transfer, buf, DATA_SIZE);
1313 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1314
1315
1316#ifdef CDR_LOG
1317 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1318#endif
1319
1320 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1321 // Firemen 2: Multi-XA files - briefings, cutscenes
1322 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1323 cdr.File = cdr.Transfer[4 + 0];
1324 cdr.Channel = cdr.Transfer[4 + 1];
1325 }
1326
1327 if ((cdr.Transfer[4 + 2] & 0x4) &&
1328 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1329 (cdr.Transfer[4 + 0] == cdr.File)) {
1330 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1331
1332 if (!ret) {
1333 // only handle attenuator basic channel switch for now
1334 if (cdr.Xa.stereo) {
1335 int i;
1336 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1337 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1338 {
1339 for (i = 0; i < cdr.Xa.nsamples; i++)
1340 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1341 }
1342 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1343 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1344 {
1345 for (i = 0; i < cdr.Xa.nsamples; i++)
1346 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1347 }
1348 }
1349
1350 SPU_playADPCMchannel(&cdr.Xa);
1351 cdr.FirstSector = 0;
1352
1353#if 0
1354 // Crash Team Racing: music, speech
1355 // - done using cdda decoded buffer (spu irq)
1356 // - don't do here
1357
1358 // signal ADPCM data ready
1359 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
1360#endif
1361 }
1362 else cdr.FirstSector = -1;
1363 }
1364 }
1365
1366 cdr.SetSector[2]++;
1367 if (cdr.SetSector[2] == 75) {
1368 cdr.SetSector[2] = 0;
1369 cdr.SetSector[1]++;
1370 if (cdr.SetSector[1] == 60) {
1371 cdr.SetSector[1] = 0;
1372 cdr.SetSector[0]++;
1373 }
1374 }
1375
1376 cdr.Readed = 0;
1377
1378 // G-Police: Don't autopause ADPCM even if mode set (music)
1379 if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
1380 (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
1381#ifdef CDR_LOG
1382 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1383#endif
1384// AddIrqQueue(AUTOPAUSE, 0x2000);
1385 AddIrqQueue(CdlPause, 0x2000);
1386 }
1387 else {
1388 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1389 }
1390
1391 /*
1392 Croc 2: $40 - only FORM1 (*)
1393 Judge Dredd: $C8 - only FORM1 (*)
1394 Sim Theme Park - no adpcm at all (zero)
1395 */
1396
1397 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1398 cdr.Stat = DataReady;
1399 } else {
1400 // Breath of Fire 3 - fix inn sleeping
1401 // Rockman X5 - no music restart problem
1402 cdr.Stat = NoIntr;
1403 }
1404 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1405
1406 Check_Shell(0);
1407}
1408
1409/*
1410cdrRead0:
1411 bit 0 - 0 REG1 command send / 1 REG1 data read
1412 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1413 bit 2 - unknown
1414 bit 3 - unknown
1415 bit 4 - unknown
1416 bit 5 - 1 result ready
1417 bit 6 - 1 dma ready
1418 bit 7 - 1 command being processed
1419*/
1420
1421unsigned char cdrRead0(void) {
1422 if (cdr.ResultReady)
1423 cdr.Ctrl |= 0x20;
1424 else
1425 cdr.Ctrl &= ~0x20;
1426
1427 if (cdr.OCUP)
1428 cdr.Ctrl |= 0x40;
1429// else
1430// cdr.Ctrl &= ~0x40;
1431
1432 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1433 cdr.Ctrl |= 0x18;
1434
1435#ifdef CDR_LOG
1436 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1437#endif
1438
1439 return psxHu8(0x1800) = cdr.Ctrl;
1440}
1441
1442/*
1443cdrWrite0:
1444 0 - to send a command / 1 - to get the result
1445*/
1446
1447void cdrWrite0(unsigned char rt) {
1448#ifdef CDR_LOG
1449 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1450#endif
1451 cdr.Ctrl = rt | (cdr.Ctrl & ~0x3);
1452
1453 if (rt == 0) {
1454 cdr.ParamP = 0;
1455 cdr.ParamC = 0;
1456 cdr.ResultReady = 0;
1457 }
1458}
1459
1460unsigned char cdrRead1(void) {
1461 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
1462 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1463 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1464 cdr.ResultP++;
1465 if (cdr.ResultP == cdr.ResultC)
1466 cdr.ResultReady = 0;
1467 } else {
1468 psxHu8(0x1801) = 0;
1469 }
1470#ifdef CDR_LOG
1471 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1472#endif
1473 return psxHu8(0x1801);
1474}
1475
1476void cdrWrite1(unsigned char rt) {
1477 char set_loc[3];
1478 int i;
1479
1480#ifdef CDR_LOG
1481 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1482#endif
1483
1484
1485 // Tekken: CDXA fade-out
1486 if( (cdr.Ctrl & 3) == 3 ) {
1487 cdr.AttenuatorRight[0] = rt;
1488 }
1489
1490
1491// psxHu8(0x1801) = rt;
1492 cdr.Cmd = rt;
1493 cdr.OCUP = 0;
1494
1495#ifdef CDRCMD_DEBUG
1496 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1497 if (cdr.ParamC) {
1498 SysPrintf(" Param[%d] = {", cdr.ParamC);
1499 for (i = 0; i < cdr.ParamC; i++)
1500 SysPrintf(" %x,", cdr.Param[i]);
1501 SysPrintf("}\n");
1502 } else {
1503 SysPrintf("\n");
1504 }
1505#endif
1506
1507 if (cdr.Ctrl & 0x1) return;
1508
1509 switch (cdr.Cmd) {
1510 case CdlSync:
1511 cdr.Ctrl |= 0x80;
1512 cdr.Stat = NoIntr;
1513 AddIrqQueue(cdr.Cmd, 0x800);
1514 break;
1515
1516 case CdlNop:
1517 cdr.Ctrl |= 0x80;
1518 cdr.Stat = NoIntr;
1519
1520 // Twisted Metal 3 - fix music
1521 AddIrqQueue(cdr.Cmd, 0x800);
1522 break;
1523
1524 case CdlSetloc:
1525 StopReading();
1526 for (i = 0; i < 3; i++)
1527 set_loc[i] = btoi(cdr.Param[i]);
1528 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1529 if (i > 16)
1530 cdr.Seeked = FALSE;
1531 memcpy(cdr.SetSector, set_loc, 3);
1532 cdr.SetSector[3] = 0;
1533
1534 /*
1535 if ((cdr.SetSector[0] | cdr.SetSector[1] | cdr.SetSector[2]) == 0) {
1536 *(u32 *)cdr.SetSector = *(u32 *)cdr.SetSectorSeek;
1537 }*/
1538
1539 cdr.Ctrl |= 0x80;
1540 cdr.Stat = NoIntr;
1541 AddIrqQueue(cdr.Cmd, 0x800);
1542 break;
1543
1544 case CdlPlay:
1545 // Vib Ribbon: try same track again
1546 StopCdda();
1547
1548 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1549 if (CDR_getTN(cdr.ResultTN) != -1) {
1550 if (cdr.CurTrack > cdr.ResultTN[1])
1551 cdr.CurTrack = cdr.ResultTN[1];
1552 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1553 int tmp = cdr.ResultTD[2];
1554 cdr.ResultTD[2] = cdr.ResultTD[0];
1555 cdr.ResultTD[0] = tmp;
1556 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1557 }
1558 }
1559 } else if (!Config.Cdda) {
1560 CDR_play(cdr.SetSector);
1561 }
1562
1563 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1564 // - fixes ribbon timing + music CD mode
1565 //TODO?
1566 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1567
1568
1569 cdr.Play = TRUE;
1570
1571 cdr.StatP |= STATUS_SEEK;
1572 cdr.StatP &= ~STATUS_ROTATING;
1573
1574 cdr.Ctrl |= 0x80;
1575 cdr.Stat = NoIntr;
1576 AddIrqQueue(cdr.Cmd, 0x800);
1577 break;
1578
1579 case CdlForward:
1580 //if (cdr.CurTrack < 0xaa)
1581 // cdr.CurTrack++;
1582 cdr.Ctrl |= 0x80;
1583 cdr.Stat = NoIntr;
1584 AddIrqQueue(cdr.Cmd, 0x800);
1585 break;
1586
1587 case CdlBackward:
1588 //if (cdr.CurTrack > 1)
1589 //cdr.CurTrack--;
1590 cdr.Ctrl |= 0x80;
1591 cdr.Stat = NoIntr;
1592 AddIrqQueue(cdr.Cmd, 0x800);
1593 break;
1594
1595 case CdlReadN:
1596 cdr.Irq = 0;
1597 StopReading();
1598 cdr.Ctrl|= 0x80;
1599 cdr.Stat = NoIntr;
1600 StartReading(1, 0x800);
1601 break;
1602
1603 case CdlStandby:
1604 StopCdda();
1605 StopReading();
1606 cdr.Ctrl |= 0x80;
1607 cdr.Stat = NoIntr;
1608 AddIrqQueue(cdr.Cmd, 0x800);
1609 break;
1610
1611 case CdlStop:
1612 // GameShark CD Player: Reset CDDA to track start
1613 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1614 cdr.SetSectorPlay[0] = stat.Time[0];
1615 cdr.SetSectorPlay[1] = stat.Time[1];
1616 cdr.SetSectorPlay[2] = stat.Time[2];
1617
1618 Find_CurTrack();
1619
1620
1621 // grab time for current track
1622 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1623
1624 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1625 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1626 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1627 }
1628
1629 StopCdda();
1630 StopReading();
1631
1632 cdr.Ctrl |= 0x80;
1633 cdr.Stat = NoIntr;
1634 AddIrqQueue(cdr.Cmd, 0x800);
1635 break;
1636
1637 case CdlPause:
1638 /*
1639 GameShark CD Player: save time for resume
1640
1641 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1642 */
1643
1644 StopCdda();
1645 StopReading();
1646 cdr.Ctrl |= 0x80;
1647 cdr.Stat = NoIntr;
1648
1649 AddIrqQueue(cdr.Cmd, 0x800);
1650 break;
1651
1652 case CdlReset:
1653 case CdlInit:
1654 StopCdda();
1655 StopReading();
1656 cdr.Ctrl |= 0x80;
1657 cdr.Stat = NoIntr;
1658 AddIrqQueue(cdr.Cmd, 0x800);
1659 break;
1660
1661 case CdlMute:
1662 cdr.Muted = TRUE;
1663 cdr.Ctrl |= 0x80;
1664 cdr.Stat = NoIntr;
1665 AddIrqQueue(cdr.Cmd, 0x800);
1666
1667 // Duke Nukem - Time to Kill
1668 // - do not directly set cd-xa volume
1669 //SPU_writeRegister( H_CDLeft, 0x0000 );
1670 //SPU_writeRegister( H_CDRight, 0x0000 );
1671 break;
1672
1673 case CdlDemute:
1674 cdr.Muted = FALSE;
1675 cdr.Ctrl |= 0x80;
1676 cdr.Stat = NoIntr;
1677 AddIrqQueue(cdr.Cmd, 0x800);
1678
1679 // Duke Nukem - Time to Kill
1680 // - do not directly set cd-xa volume
1681 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1682 //SPU_writeRegister( H_CDRight, 0x7f00 );
1683 break;
1684
1685 case CdlSetfilter:
1686 cdr.File = cdr.Param[0];
1687 cdr.Channel = cdr.Param[1];
1688 cdr.Ctrl |= 0x80;
1689 cdr.Stat = NoIntr;
1690 AddIrqQueue(cdr.Cmd, 0x800);
1691 break;
1692
1693 case CdlSetmode:
1694#ifdef CDR_LOG
1695 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1696#endif
1697 cdr.Mode = cdr.Param[0];
1698 cdr.Ctrl |= 0x80;
1699 cdr.Stat = NoIntr;
1700 AddIrqQueue(cdr.Cmd, 0x800);
1701
1702 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1703 // - fixes choppy movie sound
1704 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1705 StopCdda();
1706 break;
1707
1708 case CdlGetmode:
1709 cdr.Ctrl |= 0x80;
1710 cdr.Stat = NoIntr;
1711 AddIrqQueue(cdr.Cmd, 0x800);
1712 break;
1713
1714 case CdlGetlocL:
1715 cdr.Ctrl |= 0x80;
1716 cdr.Stat = NoIntr;
1717
1718 // Crusaders of Might and Magic - cutscene speech
1719 AddIrqQueue(cdr.Cmd, 0x800);
1720 break;
1721
1722 case CdlGetlocP:
1723 cdr.Ctrl |= 0x80;
1724 cdr.Stat = NoIntr;
1725
1726 // GameShark CDX / Lite Player: pretty narrow time window
1727 // - doesn't always work due to time inprecision
1728 //AddIrqQueue(cdr.Cmd, 0x28);
1729
1730 // Tomb Raider 2 - cdda
1731 //AddIrqQueue(cdr.Cmd, 0x40);
1732
1733 // rearmed: the above works in pcsxr-svn, but breaks here
1734 // (TOCA world touring cars), perhaps some other code is not merged yet
1735 AddIrqQueue(cdr.Cmd, 0x1000);
1736 break;
1737
1738 case CdlGetTN:
1739 cdr.Ctrl |= 0x80;
1740 cdr.Stat = NoIntr;
1741 //AddIrqQueue(cdr.Cmd, 0x800);
1742
1743 // GameShark CDX CD Player: very long time
1744 AddIrqQueue(cdr.Cmd, 0x100000);
1745 break;
1746
1747 case CdlGetTD:
1748 cdr.Ctrl |= 0x80;
1749 cdr.Stat = NoIntr;
1750 AddIrqQueue(cdr.Cmd, 0x800);
1751 break;
1752
1753 case CdlSeekL:
1754// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1755 cdr.Ctrl |= 0x80;
1756 cdr.Stat = NoIntr;
1757 AddIrqQueue(cdr.Cmd, 0x800);
1758
1759 StopCdda();
1760 StopReading();
1761
1762 break;
1763
1764 case CdlSeekP:
1765// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1766 cdr.Ctrl |= 0x80;
1767 cdr.Stat = NoIntr;
1768
1769 // Tomb Raider 2 - reset cdda
1770 StopCdda();
1771 StopReading();
1772
1773 AddIrqQueue(cdr.Cmd, 0x800);
1774 break;
1775
1776 // Destruction Derby: read TOC? GetTD after this
1777 case CdlReadT:
1778 cdr.Ctrl |= 0x80;
1779 cdr.Stat = NoIntr;
1780 AddIrqQueue(cdr.Cmd, 0x800);
1781 break;
1782
1783 case CdlTest:
1784 cdr.Ctrl |= 0x80;
1785 cdr.Stat = NoIntr;
1786 AddIrqQueue(cdr.Cmd, 0x800);
1787 break;
1788
1789 case CdlID:
1790 cdr.Ctrl |= 0x80;
1791 cdr.Stat = NoIntr;
1792 AddIrqQueue(cdr.Cmd, 0x800);
1793 break;
1794
1795 case CdlReadS:
1796 cdr.Irq = 0;
1797 StopReading();
1798 cdr.Ctrl |= 0x80;
1799 cdr.Stat = NoIntr;
1800 StartReading(2, 0x800);
1801 break;
1802
1803 case CdlReadToc:
1804 cdr.Ctrl |= 0x80;
1805 cdr.Stat = NoIntr;
1806 AddIrqQueue(cdr.Cmd, 0x800);
1807 break;
1808
1809 default:
1810#ifdef CDR_LOG
1811 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1812#endif
1813 return;
1814 }
1815 if (cdr.Stat != NoIntr) {
1816 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1817 }
1818}
1819
1820unsigned char cdrRead2(void) {
1821 unsigned char ret;
1822
1823 if (cdr.Readed == 0) {
1824 ret = 0;
1825 } else {
1826 ret = *cdr.pTransfer++;
1827 }
1828
1829#ifdef CDR_LOG
1830 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1831#endif
1832 return ret;
1833}
1834
1835void cdrWrite2(unsigned char rt) {
1836#ifdef CDR_LOG
1837 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1838#endif
1839
1840 // Tekken: CDXA fade-out
1841 if( (cdr.Ctrl & 3) == 2 ) {
1842 cdr.AttenuatorLeft[0] = rt;
1843 }
1844 else if( (cdr.Ctrl & 3) == 3 ) {
1845 cdr.AttenuatorRight[1] = rt;
1846 }
1847
1848
1849 if (cdr.Ctrl & 0x1) {
1850 switch (rt) {
1851 case 0x07:
1852 cdr.ParamP = 0;
1853 cdr.ParamC = 0;
1854 cdr.ResultReady = 1; //0;
1855 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1856 break;
1857
1858 default:
1859 cdr.Reg2 = rt;
1860 break;
1861 }
1862 } else if (!(cdr.Ctrl & 0x1) && cdr.ParamP < 8) {
1863 cdr.Param[cdr.ParamP++] = rt;
1864 cdr.ParamC++;
1865 }
1866}
1867
1868unsigned char cdrRead3(void) {
1869 if (cdr.Stat) {
1870 if (cdr.Ctrl & 0x1)
1871 psxHu8(0x1803) = cdr.Stat | 0xE0;
1872 else
1873 psxHu8(0x1803) = 0xff;
1874 } else {
1875 psxHu8(0x1803) = 0;
1876 }
1877#ifdef CDR_LOG
1878 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1879#endif
1880 return psxHu8(0x1803);
1881}
1882
1883void cdrWrite3(unsigned char rt) {
1884#ifdef CDR_LOG
1885 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1886#endif
1887
1888 // Tekken: CDXA fade-out
1889 if( (cdr.Ctrl & 3) == 2 ) {
1890 cdr.AttenuatorLeft[1] = rt;
1891 }
1892 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
1893#ifdef CDR_LOG
1894 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1895 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1896 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1897#endif
1898 }
1899
1900
1901 // GameShark CDX CD Player: Irq timing mania
1902 if( rt == 0 &&
1903 cdr.Irq != 0 && cdr.Irq != 0xff &&
1904 cdr.ResultReady == 0 ) {
1905
1906 // GS CDX: ~0x28 cycle timing - way too precise
1907 if( cdr.Irq == CdlGetlocP ) {
1908 cdrInterrupt();
1909
1910 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1911 }
1912 }
1913
1914
1915 if (rt == 0x07 && cdr.Ctrl & 0x1) {
1916 cdr.Stat = 0;
1917
1918 if (cdr.Irq == 0xff) {
1919 cdr.Irq = 0;
1920 return;
1921 }
1922
1923 // XA streaming - incorrect timing because of this reschedule
1924 // - Final Fantasy Tactics
1925 // - various other games
1926
1927 if (cdr.Reading && !cdr.ResultReady) {
1928 int left = psxRegs.intCycle[PSXINT_CDREAD].sCycle + psxRegs.intCycle[PSXINT_CDREAD].cycle - psxRegs.cycle;
1929 int time = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime;
1930 if (Config.CdrReschedule != 2)
1931 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
1932 //printf("-- resched %d -> %d\n", left, time);
1933 CDREAD_INT(time);
1934 }
1935 }
1936
1937 return;
1938 }
1939
1940 if (rt == 0x80 && !(cdr.Ctrl & 0x1) && cdr.Readed == 0) {
1941 cdr.Readed = 1;
1942 cdr.pTransfer = cdr.Transfer;
1943
1944 switch (cdr.Mode & 0x30) {
1945 case MODE_SIZE_2328:
1946 case 0x00:
1947 cdr.pTransfer += 12;
1948 break;
1949
1950 case MODE_SIZE_2340:
1951 cdr.pTransfer += 0;
1952 break;
1953
1954 default:
1955 break;
1956 }
1957 }
1958}
1959
1960void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1961 u32 cdsize;
1962 int size;
1963 u8 *ptr;
1964
1965#ifdef CDR_LOG
1966 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1967#endif
1968
1969 switch (chcr) {
1970 case 0x11000000:
1971 case 0x11400100:
1972 if (cdr.Readed == 0) {
1973#ifdef CDR_LOG
1974 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1975#endif
1976 break;
1977 }
1978
1979 cdsize = (bcr & 0xffff) * 4;
1980
1981 // Ape Escape: bcr = 0001 / 0000
1982 // - fix boot
1983 if( cdsize == 0 )
1984 {
1985 switch (cdr.Mode & 0x30) {
1986 case 0x00: cdsize = 2048; break;
1987 case MODE_SIZE_2328: cdsize = 2328; break;
1988 case MODE_SIZE_2340: cdsize = 2340; break;
1989 }
1990 }
1991
1992
1993 ptr = (u8 *)PSXM(madr);
1994 if (ptr == NULL) {
1995#ifdef CPU_LOG
1996 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
1997#endif
1998 break;
1999 }
2000
2001 /*
2002 GS CDX: Enhancement CD crash
2003 - Setloc 0:0:0
2004 - CdlPlay
2005 - Spams DMA3 and gets buffer overrun
2006 */
2007 size = CD_FRAMESIZE_RAW - (cdr.pTransfer - cdr.Transfer);
2008 if (size > cdsize)
2009 size = cdsize;
2010 if (size > 0)
2011 {
2012 memcpy(ptr, cdr.pTransfer, size);
2013 }
2014
2015 psxCpu->Clear(madr, cdsize / 4);
2016 cdr.pTransfer += cdsize;
2017
2018
2019 // burst vs normal
2020 if( chcr == 0x11400100 ) {
2021 CDRDMA_INT( (cdsize/4) / 4 );
2022 }
2023 else if( chcr == 0x11000000 ) {
2024 CDRDMA_INT( (cdsize/4) * 1 );
2025 }
2026 return;
2027
2028 default:
2029#ifdef CDR_LOG
2030 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2031#endif
2032 break;
2033 }
2034
2035 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2036 DMA_INTERRUPT(3);
2037}
2038
2039void cdrDmaInterrupt()
2040{
2041 if (HW_DMA3_CHCR & SWAP32(0x01000000))
2042 {
2043 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2044 DMA_INTERRUPT(3);
2045 }
2046}
2047
2048void cdrReset() {
2049 memset(&cdr, 0, sizeof(cdr));
2050 cdr.CurTrack = 1;
2051 cdr.File = 1;
2052 cdr.Channel = 1;
2053
2054 // BIOS player - default values
2055 cdr.AttenuatorLeft[0] = 0x80;
2056 cdr.AttenuatorLeft[1] = 0x00;
2057 cdr.AttenuatorRight[0] = 0x80;
2058 cdr.AttenuatorRight[1] = 0x00;
2059}
2060
2061int cdrFreeze(gzFile f, int Mode) {
2062 uintptr_t tmp;
2063
2064
2065 if( Mode == 0 ) {
2066 StopCdda();
2067 }
2068
2069 gzfreeze(&cdr, sizeof(cdr));
2070
2071 if (Mode == 1)
2072 tmp = cdr.pTransfer - cdr.Transfer;
2073
2074 gzfreeze(&tmp, sizeof(tmp));
2075
2076 if (Mode == 0) {
2077 cdr.pTransfer = cdr.Transfer + tmp;
2078
2079 if (cdr.Play && !Config.Cdda)
2080 CDR_play(cdr.SetSectorPlay);
2081 }
2082
2083 return 0;
2084}
2085
2086void LidInterrupt() {
2087 cdr.LidCheck = 0x20; // start checker
2088
2089 CDRLID_INT( cdReadTime * 3 );
2090
2091 // generate interrupt if none active - open or close
2092 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2093 cdr.Ctrl |= 0x80;
2094 cdr.Stat = NoIntr;
2095 AddIrqQueue(CdlNop, 0x800);
2096 }
2097}
ARM optimized PCSX fork