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cdriso: don't play data track
[pcsx_rearmed.git] / libpcsxcore / cdrom.c
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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
P		 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
9f8b032d 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
ef79bbde
P		 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;
ef79bbde 123
9f8b032d 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
ef79bbde 137#define CDR_INT(eCycle) { \
d28b54b1 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); \
ae602c19 142}
ef79bbde
P		 143
144#define CDREAD_INT(eCycle) { \
d28b54b1 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); \
ae602c19 149}
ef79bbde 150
9f8b032d 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
7f457614 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
ef79bbde
P		 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; \
d28b54b1 175 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
ef79bbde 176 } \
9f8b032d 177 cdr.StatP &= ~STATUS_READ;\
ef79bbde
P		 178}
179
180#define StopCdda() { \
181 if (cdr.Play) { \
182 if (!Config.Cdda) CDR_stop(); \
9f8b032d 183 cdr.StatP &= ~STATUS_PLAY; \
ef79bbde 184 cdr.Play = FALSE; \
9f8b032d 185 cdr.FastForward = 0; \
186 cdr.FastBackward = 0; \
187 /*SPU_registerCallback( SPUirq );*/ \
ef79bbde
P		 188 } \
189}
190
191#define SetResultSize(size) { \
192 cdr.ResultP = 0; \
193 cdr.ResultC = size; \
194 cdr.ResultReady = 1; \
195}
196
9f8b032d 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 {
aa1f7284 272 // BIOS hangs + BIOS error messages
273 //if (stat.Type == 0xff)
274 //cdr.Stat = DiskError;
9f8b032d 275
276 // case now open
aa1f7284 277 if (stat.Status & STATUS_SHELLOPEN)
9f8b032d 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] );
ef79bbde
P		 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
ef79bbde
P		 412
413void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
414 cdr.Irq = irq;
9f8b032d 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;
7f457614 456static void Create_Fake_Subq()
9f8b032d 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 );
ef79bbde 531 } else {
9f8b032d 532 fake_subq_index = 1;
533
534 sec2msf( diff, fake_subq_local );
ef79bbde
P		 535 }
536}
537
9f8b032d 538
7f457614 539static void cdrPlayInterrupt_Autopause()
540{
541 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
9b470ab7 542 int track_changed = 0;
7f457614 543 if (subq != NULL ) {
341eb2c9 544 // update subq
545 ReadTrack( cdr.SetSectorPlay );
546
7f457614 547#ifdef CDR_LOG
548 CDR_LOG( "CDDA SUB - %X:%X:%X\n",
549 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
550#endif
551
552 /*
553 CDDA Autopause
554
555 Silhouette Mirage ($3)
556 Tomb Raider 1 ($7)
557 */
558
9b470ab7 559 if( cdr.CurTrack < btoi( subq->TrackNumber ) )
560 track_changed = 1;
7f457614 561 } else {
562 Create_Fake_Subq();
563#ifdef CDR_LOG___0
564 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
565 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
566#endif
567
9b470ab7 568 track_changed = fake_subq_change;
7f457614 569 fake_subq_change = 0;
570 }
571
9b470ab7 572 if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
7f457614 573#ifdef CDR_LOG
574 CDR_LOG( "CDDA STOP\n" );
575#endif
576
577 // Magic the Gathering
578 // - looping territory cdda
579
580 // ...?
581 //cdr.ResultReady = 1;
582 //cdr.Stat = DataReady;
583 cdr.Stat = DataEnd;
584 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
585
586 StopCdda();
587 }
588 if (cdr.Mode & MODE_REPORT) {
7f457614 589 if (subq != NULL) {
590#ifdef CDR_LOG
591 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
592 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
593#endif
594 cdr.CurTrack = btoi( subq->TrackNumber );
595
9b470ab7 596 if (subq->AbsoluteAddress[2] & 0xf)
597 return;
598
599 cdr.Result[0] = cdr.StatP;
7f457614 600 // BIOS CD Player: data already BCD format
601 cdr.Result[1] = subq->TrackNumber;
602 cdr.Result[2] = subq->IndexNumber;
603
604 cdr.Result[3] = subq->AbsoluteAddress[0];
605 cdr.Result[4] = subq->AbsoluteAddress[1];
606 cdr.Result[5] = subq->AbsoluteAddress[2];
607 } else {
608#ifdef CDR_LOG___0
609 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
610 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
611#endif
612
9b470ab7 613 if (fake_subq_real[2] & 0xf)
614 return;
615
616 cdr.Result[0] = cdr.StatP;
7f457614 617 // track # / index #
618 cdr.Result[1] = itob(cdr.CurTrack);
619 cdr.Result[2] = itob(fake_subq_index);
620 // absolute
621 cdr.Result[3] = itob( fake_subq_real[0] );
622 cdr.Result[4] = itob( fake_subq_real[1] );
623 cdr.Result[5] = itob( fake_subq_real[2] );
624 }
625
626 // Rayman: Logo freeze (resultready + dataready)
627 cdr.ResultReady = 1;
628 cdr.Stat = DataReady;
629
630 SetResultSize(8);
631 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
632 }
633}
634
635void cdrPlayInterrupt()
636{
637 if( !cdr.Play ) return;
638
639#ifdef CDR_LOG
640 CDR_LOG( "CDDA - %d:%d:%d\n",
641 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
642#endif
643 CDRPLAY_INT( cdReadTime );
644
645 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
646 cdrPlayInterrupt_Autopause();
647
648 cdr.SetSectorPlay[2]++;
649 if (cdr.SetSectorPlay[2] == 75) {
650 cdr.SetSectorPlay[2] = 0;
651 cdr.SetSectorPlay[1]++;
652 if (cdr.SetSectorPlay[1] == 60) {
653 cdr.SetSectorPlay[1] = 0;
654 cdr.SetSectorPlay[0]++;
655 }
656 }
657
658 //Check_Shell(0);
659}
660
ef79bbde
P		 661void cdrInterrupt() {
662 int i;
663 unsigned char Irq = cdr.Irq;
7f457614 664 struct SubQ *subq;
ef79bbde 665
9f8b032d 666 // Reschedule IRQ
ef79bbde 667 if (cdr.Stat) {
9f8b032d 668 CDR_INT( 0x100 );
ef79bbde
P		 669 return;
670 }
671
672 cdr.Irq = 0xff;
673 cdr.Ctrl &= ~0x80;
674
675 switch (Irq) {
676 case CdlSync:
677 SetResultSize(1);
9f8b032d 678 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 679 cdr.Result[0] = cdr.StatP;
680 cdr.Stat = Acknowledge;
681 break;
682
683 case CdlNop:
684 SetResultSize(1);
685 cdr.Result[0] = cdr.StatP;
686 cdr.Stat = Acknowledge;
9f8b032d 687
688 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 689 break;
690
691 case CdlSetloc:
692 cdr.CmdProcess = 0;
693 SetResultSize(1);
9f8b032d 694 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 695 cdr.Result[0] = cdr.StatP;
696 cdr.Stat = Acknowledge;
697 break;
698
699 case CdlPlay:
9f8b032d 700 fake_subq_change = 0;
701
702 if( cdr.Seeked == FALSE ) {
703 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
704 cdr.Seeked = TRUE;
705 }
706
707 /*
708 Rayman: detect track changes
709 - fixes logo freeze
710
711 Twisted Metal 2: skip PREGAP + starting accurate SubQ
712 - plays tracks without retry play
713
714 Wild 9: skip PREGAP + starting accurate SubQ
715 - plays tracks without retry play
716 */
696c9530 717 /* unneeded with correct cdriso?
9f8b032d 718 Set_Track();
696c9530 719 */
9f8b032d 720 Find_CurTrack();
721 ReadTrack( cdr.SetSectorPlay );
722
9f8b032d 723 // GameShark CD Player: Calls 2x + Play 2x
724 if( cdr.FastBackward || cdr.FastForward ) {
725 if( cdr.FastForward ) cdr.FastForward--;
726 if( cdr.FastBackward ) cdr.FastBackward--;
727
728 if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
729 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
730 cdr.SetSectorPlay[0] = stat.Time[0];
731 cdr.SetSectorPlay[1] = stat.Time[1];
732 cdr.SetSectorPlay[2] = stat.Time[2];
733 }
734 }
735 }
736
737
738 if (!Config.Cdda) {
739 // BIOS CD Player
740 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
741
742 // GameShark CD Player: Resume play
743 if( cdr.ParamC == 0 ) {
744#ifdef CDR_LOG___0
745 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
746 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
747#endif
748
749 //CDR_play( cdr.SetSectorPlay );
750 }
751 else
752 {
753 // BIOS CD Player: Resume play
754 if( cdr.Param[0] == 0 ) {
755#ifdef CDR_LOG___0
756 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
757 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
758#endif
759
760 //CDR_play( cdr.SetSectorPlay );
761 }
762 else {
763#ifdef CDR_LOG___0
764 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
765 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
766#endif
767
768 // BIOS CD Player: Allow track replaying
769 StopCdda();
770
771
772 cdr.CurTrack = btoi( cdr.Param[0] );
773
774 if (CDR_getTN(cdr.ResultTN) != -1) {
775 // check last track
776 if (cdr.CurTrack > cdr.ResultTN[1])
777 cdr.CurTrack = cdr.ResultTN[1];
778
779 if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
780 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
781 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
782 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
783
784 // reset data
785 Set_Track();
786 Find_CurTrack();
787 ReadTrack( cdr.SetSectorPlay );
788
789 //CDR_play(cdr.SetSectorPlay);
790 }
791 }
792 }
793 }
794 }
795
796
797 // Vib Ribbon: gameplay checks flag
798 cdr.StatP &= ~STATUS_SEEK;
799
800
ef79bbde
P		 801 cdr.CmdProcess = 0;
802 SetResultSize(1);
9f8b032d 803 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 804 cdr.Result[0] = cdr.StatP;
805 cdr.Stat = Acknowledge;
9f8b032d 806
807 cdr.StatP |= STATUS_PLAY;
808
809
810 // BIOS player - set flag again
811 cdr.Play = TRUE;
812
7f457614 813 CDRPLAY_INT( cdReadTime );
ef79bbde
P		 814 break;
815
9f8b032d 816 case CdlForward:
ef79bbde
P		 817 cdr.CmdProcess = 0;
818 SetResultSize(1);
9f8b032d 819 cdr.StatP |= STATUS_ROTATING;
820 cdr.Result[0] = cdr.StatP;
821 cdr.Stat = Complete;
822
823
824 // GameShark CD Player: Calls 2x + Play 2x
825 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
826 else cdr.FastForward++;
827
828 cdr.FastBackward = 0;
ef79bbde
P		 829 break;
830
9f8b032d 831 case CdlBackward:
ef79bbde
P		 832 cdr.CmdProcess = 0;
833 SetResultSize(1);
9f8b032d 834 cdr.StatP |= STATUS_ROTATING;
835 cdr.Result[0] = cdr.StatP;
836 cdr.Stat = Complete;
837
838
839 // GameShark CD Player: Calls 2x + Play 2x
840 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
841 else cdr.FastBackward++;
842
843 cdr.FastForward = 0;
ef79bbde
P		 844 break;
845
9f8b032d 846 case CdlStandby:
ef79bbde
P		 847 cdr.CmdProcess = 0;
848 SetResultSize(1);
9f8b032d 849 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 850 cdr.Result[0] = cdr.StatP;
851 cdr.Stat = Complete;
852 break;
853
854 case CdlStop:
855 cdr.CmdProcess = 0;
856 SetResultSize(1);
9f8b032d 857 cdr.StatP &= ~STATUS_ROTATING;
ef79bbde
P		 858 cdr.Result[0] = cdr.StatP;
859 cdr.Stat = Complete;
860// cdr.Stat = Acknowledge;
861
9f8b032d 862 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 863 break;
864
865 case CdlPause:
866 SetResultSize(1);
867 cdr.Result[0] = cdr.StatP;
9f8b032d 868 cdr.Stat = Acknowledge;
869
12228917 870 /*
871 Gundam Battle Assault 2: much slower (*)
872 - Fixes boot, gameplay
873
874 Hokuto no Ken 2: slower
875 - Fixes intro + subtitles
876
877 InuYasha - Feudal Fairy Tale: slower
878 - Fixes battles
879 */
880 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
ef79bbde
P		 881 cdr.Ctrl |= 0x80;
882 break;
883
884 case CdlPause + 0x20:
885 SetResultSize(1);
9f8b032d 886 cdr.StatP &= ~STATUS_READ;
887 cdr.StatP |= STATUS_ROTATING;
ef79bbde 888 cdr.Result[0] = cdr.StatP;
9f8b032d 889 cdr.Stat = Complete;
ef79bbde
P		 890 break;
891
9f8b032d 892 case CdlInit:
ef79bbde 893 SetResultSize(1);
9f8b032d 894 cdr.StatP = STATUS_ROTATING;
ef79bbde 895 cdr.Result[0] = cdr.StatP;
9f8b032d 896 cdr.Stat = Acknowledge;
ef79bbde 897// if (!cdr.Init) {
9f8b032d 898 AddIrqQueue(CdlInit + 0x20, 0x800);
ef79bbde
P		 899// }
900 break;
901
902 case CdlInit + 0x20:
903 SetResultSize(1);
904 cdr.Result[0] = cdr.StatP;
9f8b032d 905 cdr.Stat = Complete;
ef79bbde
P		 906 cdr.Init = 1;
907 break;
908
9f8b032d 909 case CdlMute:
ef79bbde 910 SetResultSize(1);
9f8b032d 911 cdr.StatP |= STATUS_ROTATING;
912 cdr.Result[0] = cdr.StatP;
913 cdr.Stat = Acknowledge;
ef79bbde
P		 914 break;
915
9f8b032d 916 case CdlDemute:
ef79bbde 917 SetResultSize(1);
9f8b032d 918 cdr.StatP |= STATUS_ROTATING;
919 cdr.Result[0] = cdr.StatP;
920 cdr.Stat = Acknowledge;
ef79bbde
P		 921 break;
922
9f8b032d 923 case CdlSetfilter:
ef79bbde 924 SetResultSize(1);
9f8b032d 925 cdr.StatP |= STATUS_ROTATING;
926 cdr.Result[0] = cdr.StatP;
927 cdr.Stat = Acknowledge;
928 break;
ef79bbde
P		 929
930 case CdlSetmode:
931 SetResultSize(1);
9f8b032d 932 cdr.StatP |= STATUS_ROTATING;
933 cdr.Result[0] = cdr.StatP;
934 cdr.Stat = Acknowledge;
935 break;
ef79bbde 936
9f8b032d 937 case CdlGetmode:
ef79bbde 938 SetResultSize(6);
9f8b032d 939 cdr.StatP |= STATUS_ROTATING;
940 cdr.Result[0] = cdr.StatP;
941 cdr.Result[1] = cdr.Mode;
942 cdr.Result[2] = cdr.File;
943 cdr.Result[3] = cdr.Channel;
944 cdr.Result[4] = 0;
945 cdr.Result[5] = 0;
946 cdr.Stat = Acknowledge;
947 break;
ef79bbde 948
9f8b032d 949 case CdlGetlocL:
ef79bbde 950 SetResultSize(8);
9f8b032d 951 for (i = 0; i < 8; i++)
ef79bbde 952 cdr.Result[i] = cdr.Transfer[i];
9f8b032d 953 cdr.Stat = Acknowledge;
954 break;
ef79bbde
P		 955
956 case CdlGetlocP:
9f8b032d 957 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
958 SetResultSize(17);
959 memset( cdr.Result, 0, 16 );
960
ef79bbde
P		 961 subq = (struct SubQ *)CDR_getBufferSub();
962
963 if (subq != NULL) {
341eb2c9 964 // update subq
965 ReadTrack( cdr.SetSectorPlay );
966
ef79bbde
P		 967 cdr.Result[0] = subq->TrackNumber;
968 cdr.Result[1] = subq->IndexNumber;
969 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
970 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
971
9f8b032d 972
973 // subQ integrity check - data only (skip audio)
974 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
ef79bbde
P		 975 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
976 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
977 }
9f8b032d 978 }
ef79bbde 979 } else {
7f457614 980 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
981 Create_Fake_Subq();
ef79bbde 982
ef79bbde 983
9f8b032d 984 // track # / index #
985 cdr.Result[0] = itob(cdr.CurTrack);
986 cdr.Result[1] = itob(fake_subq_index);
ef79bbde 987
9f8b032d 988 // local
989 cdr.Result[2] = itob( fake_subq_local[0] );
990 cdr.Result[3] = itob( fake_subq_local[1] );
991 cdr.Result[4] = itob( fake_subq_local[2] );
ef79bbde 992
9f8b032d 993 // absolute
994 cdr.Result[5] = itob( fake_subq_real[0] );
995 cdr.Result[6] = itob( fake_subq_real[1] );
996 cdr.Result[7] = itob( fake_subq_real[2] );
ef79bbde
P		 997 }
998
9f8b032d 999 // redump.org - wipe time
ae4e7dc9 1000 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
9f8b032d 1001 memset( cdr.Result+2, 0, 6 );
1002 }
9f8b032d 1003
ef79bbde
P		 1004 cdr.Stat = Acknowledge;
1005 break;
1006
9f8b032d 1007 case CdlGetTN:
1008 // 5-Star Racing: don't stop CDDA
1009 //
1010 // Vib Ribbon: CD swap
1011 StopReading();
1012
ef79bbde
P		 1013 cdr.CmdProcess = 0;
1014 SetResultSize(3);
9f8b032d 1015 cdr.StatP |= STATUS_ROTATING;
1016 cdr.Result[0] = cdr.StatP;
1017 if (CDR_getTN(cdr.ResultTN) == -1) {
ef79bbde 1018 cdr.Stat = DiskError;
9f8b032d 1019 cdr.Result[0] |= STATUS_ERROR;
1020 } else {
1021 cdr.Stat = Acknowledge;
1022 cdr.Result[1] = itob(cdr.ResultTN[0]);
1023 cdr.Result[2] = itob(cdr.ResultTN[1]);
1024 }
1025 break;
ef79bbde 1026
9f8b032d 1027 case CdlGetTD:
ef79bbde
P		 1028 cdr.CmdProcess = 0;
1029 cdr.Track = btoi(cdr.Param[0]);
1030 SetResultSize(4);
9f8b032d 1031 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 1032 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1033 cdr.Stat = DiskError;
9f8b032d 1034 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1035 } else {
1036 cdr.Stat = Acknowledge;
1037 cdr.Result[0] = cdr.StatP;
1038 cdr.Result[1] = itob(cdr.ResultTD[2]);
1039 cdr.Result[2] = itob(cdr.ResultTD[1]);
1040 cdr.Result[3] = itob(cdr.ResultTD[0]);
1041 }
1042 break;
1043
9f8b032d 1044 case CdlSeekL:
ef79bbde 1045 SetResultSize(1);
9f8b032d 1046 cdr.StatP |= STATUS_ROTATING;
1047 cdr.Result[0] = cdr.StatP;
1048 cdr.StatP |= STATUS_SEEK;
1049 cdr.Stat = Acknowledge;
1050
1051 /*
1052 Crusaders of Might and Magic = 0.5x-4x
1053 - fix cutscene speech start
1054
1055 Eggs of Steel = 2x-?
1056 - fix new game
1057
1058 Medievil = ?-4x
1059 - fix cutscene speech
1060
1061 Rockman X5 = 0.5-4x
1062 - fix capcom logo
1063 */
1064 AddIrqQueue(CdlSeekL + 0x20, cdReadTime * 4);
ef79bbde
P		 1065 break;
1066
9f8b032d 1067 case CdlSeekL + 0x20:
ef79bbde 1068 SetResultSize(1);
9f8b032d 1069 cdr.StatP |= STATUS_ROTATING;
1070 cdr.StatP &= ~STATUS_SEEK;
1071 cdr.Result[0] = cdr.StatP;
1072 cdr.Seeked = TRUE;
1073 cdr.Stat = Complete;
1074
1075
1076 // Mega Man Legends 2: must update read cursor for getlocp
1077 ReadTrack( cdr.SetSector );
ef79bbde
P		 1078 break;
1079
9f8b032d 1080 case CdlSeekP:
ef79bbde 1081 SetResultSize(1);
9f8b032d 1082 cdr.StatP |= STATUS_ROTATING;
1083 cdr.Result[0] = cdr.StatP;
1084 cdr.StatP |= STATUS_SEEK;
1085 cdr.Stat = Acknowledge;
1086 AddIrqQueue(CdlSeekP + 0x20, cdReadTime * 1);
ef79bbde
P		 1087 break;
1088
9f8b032d 1089 case CdlSeekP + 0x20:
ef79bbde 1090 SetResultSize(1);
9f8b032d 1091 cdr.StatP |= STATUS_ROTATING;
1092 cdr.StatP &= ~STATUS_SEEK;
1093 cdr.Result[0] = cdr.StatP;
1094 cdr.Stat = Complete;
1095 cdr.Seeked = TRUE;
1096
1097 // GameShark Music Player
1098 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
1099
1100 // Tomb Raider 2: must update read cursor for getlocp
1101 Find_CurTrack();
1102 ReadTrack( cdr.SetSectorPlay );
ef79bbde
P		 1103 break;
1104
1105 case CdlTest:
9f8b032d 1106 cdr.Stat = Acknowledge;
1107 switch (cdr.Param[0]) {
1108 case 0x20: // System Controller ROM Version
ef79bbde
P		 1109 SetResultSize(4);
1110 memcpy(cdr.Result, Test20, 4);
1111 break;
1112 case 0x22:
1113 SetResultSize(8);
1114 memcpy(cdr.Result, Test22, 4);
1115 break;
1116 case 0x23: case 0x24:
1117 SetResultSize(8);
1118 memcpy(cdr.Result, Test23, 4);
1119 break;
9f8b032d 1120 }
ef79bbde
P		 1121 break;
1122
9f8b032d 1123 case CdlID:
ef79bbde 1124 SetResultSize(1);
9f8b032d 1125 cdr.StatP |= STATUS_ROTATING;
1126 cdr.Result[0] = cdr.StatP;
1127 cdr.Stat = Acknowledge;
1128 AddIrqQueue(CdlID + 0x20, 0x800);
ef79bbde
P		 1129 break;
1130
1131 case CdlID + 0x20:
1132 SetResultSize(8);
9f8b032d 1133
1134 if (CDR_getStatus(&stat) == -1) {
1135 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1136 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1137 }
1138 else {
1139 if (stat.Type == 2) {
1140 // Music CD
1141 cdr.Result[0] = 0x08;
1142 cdr.Result[1] = 0x10;
1143
1144 cdr.Result[1] |= 0x80;
1145 }
1146 else {
1147 // Data CD
1148 if (CdromId[0] == '\0') {
1149 cdr.Result[0] = 0x00;
1150 cdr.Result[1] = 0x80;
1151 }
1152 else {
1153 cdr.Result[0] = 0x08;
1154 cdr.Result[1] = 0x00;
1155 }
1156 }
1157 }
1158
ef79bbde
P		 1159 cdr.Result[2] = 0x00;
1160 cdr.Result[3] = 0x00;
1161 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1162 cdr.Stat = Complete;
1163 break;
1164
1165 case CdlReset:
1166 SetResultSize(1);
9f8b032d 1167 cdr.StatP = STATUS_ROTATING;
ef79bbde 1168 cdr.Result[0] = cdr.StatP;
9f8b032d 1169 cdr.Stat = Acknowledge;
ef79bbde
P		 1170 break;
1171
9f8b032d 1172 case CdlReadT:
1173 SetResultSize(1);
1174 cdr.StatP |= STATUS_ROTATING;
1175 cdr.Result[0] = cdr.StatP;
1176 cdr.Stat = Acknowledge;
1177 AddIrqQueue(CdlReadT + 0x20, 0x800);
1178 break;
1179
1180 case CdlReadT + 0x20:
1181 SetResultSize(1);
1182 cdr.StatP |= STATUS_ROTATING;
1183 cdr.Result[0] = cdr.StatP;
1184 cdr.Stat = Complete;
1185 break;
1186
1187 case CdlReadToc:
ef79bbde 1188 SetResultSize(1);
9f8b032d 1189 cdr.StatP |= STATUS_ROTATING;
1190 cdr.Result[0] = cdr.StatP;
1191 cdr.Stat = Acknowledge;
1192 AddIrqQueue(CdlReadToc + 0x20, 0x800);
ef79bbde
P		 1193 break;
1194
9f8b032d 1195 case CdlReadToc + 0x20:
ef79bbde 1196 SetResultSize(1);
9f8b032d 1197 cdr.StatP |= STATUS_ROTATING;
1198 cdr.Result[0] = cdr.StatP;
1199 cdr.Stat = Complete;
ef79bbde
P		 1200 break;
1201
1202 case AUTOPAUSE:
1203 cdr.OCUP = 0;
1204/* SetResultSize(1);
1205 StopCdda();
1206 StopReading();
1207 cdr.OCUP = 0;
9f8b032d 1208 cdr.StatP&=~0x20;
ef79bbde 1209 cdr.StatP|= 0x2;
9f8b032d 1210 cdr.Result[0] = cdr.StatP;
1211 cdr.Stat = DataEnd;
ef79bbde
P		 1212*/ AddIrqQueue(CdlPause, 0x800);
1213 break;
1214
1215 case READ_ACK:
1216 if (!cdr.Reading) return;
1217
9f8b032d 1218
1219 // Fighting Force 2 - update subq time immediately
1220 // - fixes new game
1221 ReadTrack( cdr.SetSector );
1222
1223
1224 // Crusaders of Might and Magic - update getlocl now
1225 // - fixes cutscene speech
1226 {
1227 u8 *buf = CDR_getBuffer();
a48ae3a7 1228 if (buf != NULL)
1229 memcpy(cdr.Transfer, buf, 8);
9f8b032d 1230 }
1231
1232
1233 /*
1234 Duke Nukem: Land of the Babes - seek then delay read for one frame
1235 - fixes cutscenes
914722b2 1236 C-12 - Final Resistance - doesn't like seek
9f8b032d 1237 */
1238
ef79bbde
P		 1239 if (!cdr.Seeked) {
1240 cdr.Seeked = TRUE;
ef79bbde 1241
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
1280#ifdef CDR_LOG
1281 CDR_LOG("cdrInterrupt() Log: CDR Interrupt IRQ %x\n", Irq);
1282#endif
1283}
1284
1285void cdrReadInterrupt() {
1286 u8 *buf;
1287
1288 if (!cdr.Reading)
1289 return;
1290
9f8b032d 1291 if (cdr.Irq || cdr.Stat) {
1292 CDREAD_INT(0x100);
ef79bbde
P		 1293 return;
1294 }
1295
1296#ifdef CDR_LOG
1297 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1298#endif
1299
9f8b032d 1300 cdr.OCUP = 1;
ef79bbde 1301 SetResultSize(1);
9f8b032d 1302 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1303 cdr.StatP &= ~STATUS_SEEK;
1304 cdr.Result[0] = cdr.StatP;
ef79bbde 1305
9f8b032d 1306 ReadTrack( cdr.SetSector );
ef79bbde
P		 1307
1308 buf = CDR_getBuffer();
1309 if (buf == NULL)
1310 cdr.RErr = -1;
1311
1312 if (cdr.RErr == -1) {
1313#ifdef CDR_LOG
1314 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1315#endif
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
P		 1326
1327#ifdef CDR_LOG
1328 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1329#endif
1330
9f8b032d 1331 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1332 // Firemen 2: Multi-XA files - briefings, cutscenes
1333 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1334 cdr.File = cdr.Transfer[4 + 0];
1335 cdr.Channel = cdr.Transfer[4 + 1];
1336 }
1337
ef79bbde 1338 if ((cdr.Transfer[4 + 2] & 0x4) &&
9f8b032d 1339 (cdr.Transfer[4 + 1] == cdr.Channel) &&
ef79bbde
P		 1340 (cdr.Transfer[4 + 0] == cdr.File)) {
1341 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1342
1343 if (!ret) {
056d6759 1344 // only handle attenuator basic channel switch for now
1345 if (cdr.Xa.stereo) {
1346 int i;
1347 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1348 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1349 {
1350 for (i = 0; i < cdr.Xa.nsamples; i++)
1351 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1352 }
1353 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1354 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1355 {
1356 for (i = 0; i < cdr.Xa.nsamples; i++)
1357 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1358 }
1359 }
1360
ef79bbde
P		 1361 SPU_playADPCMchannel(&cdr.Xa);
1362 cdr.FirstSector = 0;
9f8b032d 1363
2f246254 1364#if 0
9f8b032d 1365 // Crash Team Racing: music, speech
2f246254 1366 // - done using cdda decoded buffer (spu irq)
1367 // - don't do here
9f8b032d 1368
1369 // signal ADPCM data ready
1370 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
2f246254 1371#endif
ef79bbde
P		 1372 }
1373 else cdr.FirstSector = -1;
1374 }
1375 }
1376
1377 cdr.SetSector[2]++;
9f8b032d 1378 if (cdr.SetSector[2] == 75) {
1379 cdr.SetSector[2] = 0;
1380 cdr.SetSector[1]++;
1381 if (cdr.SetSector[1] == 60) {
1382 cdr.SetSector[1] = 0;
1383 cdr.SetSector[0]++;
1384 }
1385 }
1386
1387 cdr.Readed = 0;
1388
1389 // G-Police: Don't autopause ADPCM even if mode set (music)
1390 if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
1391 (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
ef79bbde
P		 1392#ifdef CDR_LOG
1393 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1394#endif
9f8b032d 1395// AddIrqQueue(AUTOPAUSE, 0x2000);
1396 AddIrqQueue(CdlPause, 0x2000);
ef79bbde
P		 1397 }
1398 else {
9f8b032d 1399 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1400 }
1401
1402 /*
1403 Croc 2: $40 - only FORM1 (*)
1404 Judge Dredd: $C8 - only FORM1 (*)
1405 Sim Theme Park - no adpcm at all (zero)
1406 */
1407
1408 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1409 cdr.Stat = DataReady;
1410 } else {
1411 // Breath of Fire 3 - fix inn sleeping
1412 // Rockman X5 - no music restart problem
1413 cdr.Stat = NoIntr;
ef79bbde
P		 1414 }
1415 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
9f8b032d 1416
1417 Check_Shell(0);
ef79bbde
P		 1418}
1419
1420/*
1421cdrRead0:
1422 bit 0 - 0 REG1 command send / 1 REG1 data read
1423 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1424 bit 2 - unknown
1425 bit 3 - unknown
1426 bit 4 - unknown
1427 bit 5 - 1 result ready
1428 bit 6 - 1 dma ready
1429 bit 7 - 1 command being processed
1430*/
1431
1432unsigned char cdrRead0(void) {
1433 if (cdr.ResultReady)
1434 cdr.Ctrl |= 0x20;
1435 else
1436 cdr.Ctrl &= ~0x20;
1437
1438 if (cdr.OCUP)
1439 cdr.Ctrl |= 0x40;
1440// else
1441// cdr.Ctrl &= ~0x40;
1442
1443 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1444 cdr.Ctrl |= 0x18;
1445
1446#ifdef CDR_LOG
1447 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1448#endif
1449
1450 return psxHu8(0x1800) = cdr.Ctrl;
1451}
1452
1453/*
1454cdrWrite0:
1455 0 - to send a command / 1 - to get the result
1456*/
1457
1458void cdrWrite0(unsigned char rt) {
1459#ifdef CDR_LOG
1460 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1461#endif
50b13be9 1462 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
ef79bbde
P		 1463}
1464
1465unsigned char cdrRead1(void) {
1466 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
9f8b032d 1467 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1468 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1469 cdr.ResultP++;
ef79bbde
P		 1470 if (cdr.ResultP == cdr.ResultC)
1471 cdr.ResultReady = 0;
1472 } else {
1473 psxHu8(0x1801) = 0;
1474 }
1475#ifdef CDR_LOG
1476 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1477#endif
1478 return psxHu8(0x1801);
1479}
1480
1481void cdrWrite1(unsigned char rt) {
914722b2 1482 char set_loc[3];
ef79bbde
P		 1483 int i;
1484
1485#ifdef CDR_LOG
1486 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1487#endif
9f8b032d 1488
1489
1490 // Tekken: CDXA fade-out
1491 if( (cdr.Ctrl & 3) == 3 ) {
056d6759 1492 cdr.AttenuatorRight[0] = rt;
9f8b032d 1493 }
1494
1495
ef79bbde 1496// psxHu8(0x1801) = rt;
9f8b032d 1497 cdr.Cmd = rt;
ef79bbde
P		 1498 cdr.OCUP = 0;
1499
1500#ifdef CDRCMD_DEBUG
1501 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1502 if (cdr.ParamC) {
1503 SysPrintf(" Param[%d] = {", cdr.ParamC);
1504 for (i = 0; i < cdr.ParamC; i++)
1505 SysPrintf(" %x,", cdr.Param[i]);
1506 SysPrintf("}\n");
1507 } else {
1508 SysPrintf("\n");
1509 }
1510#endif
1511
50b13be9 1512 if (cdr.Ctrl & 0x3) return;
ef79bbde 1513
2daaaae3 1514 cdr.ResultReady = 0;
1515
9f8b032d 1516 switch (cdr.Cmd) {
ef79bbde 1517 case CdlSync:
9f8b032d 1518 cdr.Ctrl |= 0x80;
ef79bbde 1519 cdr.Stat = NoIntr;
9f8b032d 1520 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1521 break;
1522
1523 case CdlNop:
9f8b032d 1524 cdr.Ctrl |= 0x80;
ef79bbde 1525 cdr.Stat = NoIntr;
9f8b032d 1526
1527 // Twisted Metal 3 - fix music
1528 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1529 break;
1530
1531 case CdlSetloc:
9f8b032d 1532 StopReading();
9f8b032d 1533 for (i = 0; i < 3; i++)
914722b2 1534 set_loc[i] = btoi(cdr.Param[i]);
1535 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1536 if (i > 16)
1537 cdr.Seeked = FALSE;
1538 memcpy(cdr.SetSector, set_loc, 3);
ef79bbde 1539 cdr.SetSector[3] = 0;
9f8b032d 1540
1541 /*
1542 if ((cdr.SetSector[0] | cdr.SetSector[1] | cdr.SetSector[2]) == 0) {
1543 *(u32 *)cdr.SetSector = *(u32 *)cdr.SetSectorSeek;
1544 }*/
1545
1546 cdr.Ctrl |= 0x80;
ef79bbde 1547 cdr.Stat = NoIntr;
9f8b032d 1548 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1549 break;
1550
1551 case CdlPlay:
9f8b032d 1552 // Vib Ribbon: try same track again
1553 StopCdda();
1554
1555 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1556 if (CDR_getTN(cdr.ResultTN) != -1) {
1557 if (cdr.CurTrack > cdr.ResultTN[1])
1558 cdr.CurTrack = cdr.ResultTN[1];
1559 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1560 int tmp = cdr.ResultTD[2];
1561 cdr.ResultTD[2] = cdr.ResultTD[0];
1562 cdr.ResultTD[0] = tmp;
1563 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1564 }
ef79bbde 1565 }
9f8b032d 1566 } else if (!Config.Cdda) {
1567 CDR_play(cdr.SetSector);
1568 }
1569
1570 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1571 // - fixes ribbon timing + music CD mode
1572 //TODO?
1573 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1574
1575
1576 cdr.Play = TRUE;
1577
1578 cdr.StatP |= STATUS_SEEK;
1579 cdr.StatP &= ~STATUS_ROTATING;
1580
1581 cdr.Ctrl |= 0x80;
1582 cdr.Stat = NoIntr;
1583 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1584 break;
1585
1586 case CdlForward:
9f8b032d 1587 //if (cdr.CurTrack < 0xaa)
1588 // cdr.CurTrack++;
1589 cdr.Ctrl |= 0x80;
ef79bbde 1590 cdr.Stat = NoIntr;
9f8b032d 1591 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1592 break;
1593
1594 case CdlBackward:
9f8b032d 1595 //if (cdr.CurTrack > 1)
1596 //cdr.CurTrack--;
1597 cdr.Ctrl |= 0x80;
1598 cdr.Stat = NoIntr;
1599 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1600 break;
1601
1602 case CdlReadN:
9f8b032d 1603 cdr.Irq = 0;
1604 StopReading();
1605 cdr.Ctrl|= 0x80;
1606 cdr.Stat = NoIntr;
1607 StartReading(1, 0x800);
1608 break;
ef79bbde
P		 1609
1610 case CdlStandby:
9f8b032d 1611 StopCdda();
1612 StopReading();
1613 cdr.Ctrl |= 0x80;
1614 cdr.Stat = NoIntr;
1615 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1616 break;
1617
1618 case CdlStop:
9f8b032d 1619 // GameShark CD Player: Reset CDDA to track start
1620 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1621 cdr.SetSectorPlay[0] = stat.Time[0];
1622 cdr.SetSectorPlay[1] = stat.Time[1];
1623 cdr.SetSectorPlay[2] = stat.Time[2];
1624
1625 Find_CurTrack();
1626
1627
1628 // grab time for current track
1629 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1630
1631 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1632 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1633 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1634 }
1635
1636 StopCdda();
1637 StopReading();
1638
1639 cdr.Ctrl |= 0x80;
1640 cdr.Stat = NoIntr;
1641 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1642 break;
1643
1644 case CdlPause:
9f8b032d 1645 /*
1646 GameShark CD Player: save time for resume
1647
aa1f7284 1648 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1649 */
ef79bbde 1650
9f8b032d 1651 StopCdda();
1652 StopReading();
1653 cdr.Ctrl |= 0x80;
1654 cdr.Stat = NoIntr;
1655
12228917 1656 AddIrqQueue(cdr.Cmd, 0x800);
9f8b032d 1657 break;
1658
1659 case CdlReset:
ef79bbde 1660 case CdlInit:
9f8b032d 1661 StopCdda();
1662 StopReading();
1663 cdr.Ctrl |= 0x80;
1664 cdr.Stat = NoIntr;
1665 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1666 break;
1667
1668 case CdlMute:
1669 cdr.Muted = TRUE;
9f8b032d 1670 cdr.Ctrl |= 0x80;
ef79bbde 1671 cdr.Stat = NoIntr;
9f8b032d 1672 AddIrqQueue(cdr.Cmd, 0x800);
1673
1674 // Duke Nukem - Time to Kill
1675 // - do not directly set cd-xa volume
1676 //SPU_writeRegister( H_CDLeft, 0x0000 );
1677 //SPU_writeRegister( H_CDRight, 0x0000 );
ef79bbde
P		 1678 break;
1679
1680 case CdlDemute:
1681 cdr.Muted = FALSE;
9f8b032d 1682 cdr.Ctrl |= 0x80;
ef79bbde 1683 cdr.Stat = NoIntr;
9f8b032d 1684 AddIrqQueue(cdr.Cmd, 0x800);
1685
1686 // Duke Nukem - Time to Kill
1687 // - do not directly set cd-xa volume
1688 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1689 //SPU_writeRegister( H_CDRight, 0x7f00 );
ef79bbde
P		 1690 break;
1691
1692 case CdlSetfilter:
1693 cdr.File = cdr.Param[0];
1694 cdr.Channel = cdr.Param[1];
9f8b032d 1695 cdr.Ctrl |= 0x80;
ef79bbde 1696 cdr.Stat = NoIntr;
9f8b032d 1697 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1698 break;
1699
1700 case CdlSetmode:
1701#ifdef CDR_LOG
9f8b032d 1702 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
ef79bbde
P		 1703#endif
1704 cdr.Mode = cdr.Param[0];
9f8b032d 1705 cdr.Ctrl |= 0x80;
ef79bbde 1706 cdr.Stat = NoIntr;
9f8b032d 1707 AddIrqQueue(cdr.Cmd, 0x800);
1708
1709 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1710 // - fixes choppy movie sound
1711 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1712 StopCdda();
ef79bbde
P		 1713 break;
1714
1715 case CdlGetmode:
9f8b032d 1716 cdr.Ctrl |= 0x80;
ef79bbde 1717 cdr.Stat = NoIntr;
9f8b032d 1718 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1719 break;
1720
1721 case CdlGetlocL:
9f8b032d 1722 cdr.Ctrl |= 0x80;
1723 cdr.Stat = NoIntr;
1724
1725 // Crusaders of Might and Magic - cutscene speech
1726 AddIrqQueue(cdr.Cmd, 0x800);
1727 break;
ef79bbde
P		 1728
1729 case CdlGetlocP:
9f8b032d 1730 cdr.Ctrl |= 0x80;
1731 cdr.Stat = NoIntr;
1732
1733 // GameShark CDX / Lite Player: pretty narrow time window
1734 // - doesn't always work due to time inprecision
1735 //AddIrqQueue(cdr.Cmd, 0x28);
1736
1737 // Tomb Raider 2 - cdda
53951880 1738 //AddIrqQueue(cdr.Cmd, 0x40);
1739
1740 // rearmed: the above works in pcsxr-svn, but breaks here
1741 // (TOCA world touring cars), perhaps some other code is not merged yet
1742 AddIrqQueue(cdr.Cmd, 0x1000);
ef79bbde
P		 1743 break;
1744
1745 case CdlGetTN:
9f8b032d 1746 cdr.Ctrl |= 0x80;
1747 cdr.Stat = NoIntr;
1748 //AddIrqQueue(cdr.Cmd, 0x800);
1749
1750 // GameShark CDX CD Player: very long time
1751 AddIrqQueue(cdr.Cmd, 0x100000);
1752 break;
ef79bbde
P		 1753
1754 case CdlGetTD:
9f8b032d 1755 cdr.Ctrl |= 0x80;
ef79bbde 1756 cdr.Stat = NoIntr;
9f8b032d 1757 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1758 break;
1759
1760 case CdlSeekL:
1761// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1762 cdr.Ctrl |= 0x80;
1763 cdr.Stat = NoIntr;
1764 AddIrqQueue(cdr.Cmd, 0x800);
1765
1766 StopCdda();
1767 StopReading();
1768
1769 break;
ef79bbde
P		 1770
1771 case CdlSeekP:
1772// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1773 cdr.Ctrl |= 0x80;
ef79bbde 1774 cdr.Stat = NoIntr;
9f8b032d 1775
1776 // Tomb Raider 2 - reset cdda
1777 StopCdda();
1778 StopReading();
1779
1780 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1781 break;
1782
9f8b032d 1783 // Destruction Derby: read TOC? GetTD after this
1784 case CdlReadT:
1785 cdr.Ctrl |= 0x80;
1786 cdr.Stat = NoIntr;
1787 AddIrqQueue(cdr.Cmd, 0x800);
1788 break;
1789
ef79bbde 1790 case CdlTest:
9f8b032d 1791 cdr.Ctrl |= 0x80;
ef79bbde 1792 cdr.Stat = NoIntr;
9f8b032d 1793 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1794 break;
1795
1796 case CdlID:
9f8b032d 1797 cdr.Ctrl |= 0x80;
ef79bbde 1798 cdr.Stat = NoIntr;
9f8b032d 1799 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1800 break;
1801
1802 case CdlReadS:
9f8b032d 1803 cdr.Irq = 0;
1804 StopReading();
1805 cdr.Ctrl |= 0x80;
1806 cdr.Stat = NoIntr;
1807 StartReading(2, 0x800);
1808 break;
ef79bbde
P		 1809
1810 case CdlReadToc:
9f8b032d 1811 cdr.Ctrl |= 0x80;
ef79bbde 1812 cdr.Stat = NoIntr;
9f8b032d 1813 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1814 break;
1815
1816 default:
2daaaae3 1817 cdr.ParamP = 0;
1818 cdr.ParamC = 0;
ef79bbde 1819#ifdef CDR_LOG
9f8b032d 1820 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
ef79bbde 1821#endif
9f8b032d 1822 return;
1823 }
ef79bbde
P		 1824 if (cdr.Stat != NoIntr) {
1825 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1826 }
1827}
1828
1829unsigned char cdrRead2(void) {
1830 unsigned char ret;
1831
1832 if (cdr.Readed == 0) {
1833 ret = 0;
1834 } else {
1835 ret = *cdr.pTransfer++;
1836 }
1837
1838#ifdef CDR_LOG
1839 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1840#endif
1841 return ret;
1842}
1843
1844void cdrWrite2(unsigned char rt) {
1845#ifdef CDR_LOG
1846 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1847#endif
9f8b032d 1848
1849 // Tekken: CDXA fade-out
1850 if( (cdr.Ctrl & 3) == 2 ) {
056d6759 1851 cdr.AttenuatorLeft[0] = rt;
9f8b032d 1852 }
1853 else if( (cdr.Ctrl & 3) == 3 ) {
056d6759 1854 cdr.AttenuatorRight[1] = rt;
9f8b032d 1855 }
1856
1857
1858 if (cdr.Ctrl & 0x1) {
ef79bbde
P		 1859 switch (rt) {
1860 case 0x07:
9f8b032d 1861 cdr.ParamP = 0;
ef79bbde
P		 1862 cdr.ParamC = 0;
1863 cdr.ResultReady = 1; //0;
1864 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1865 break;
1866
1867 default:
1868 cdr.Reg2 = rt;
1869 break;
1870 }
50b13be9 1871 } else if (!(cdr.Ctrl & 0x3) && cdr.ParamP < 8) {
ef79bbde
P		 1872 cdr.Param[cdr.ParamP++] = rt;
1873 cdr.ParamC++;
1874 }
1875}
1876
1877unsigned char cdrRead3(void) {
1878 if (cdr.Stat) {
1879 if (cdr.Ctrl & 0x1)
1880 psxHu8(0x1803) = cdr.Stat | 0xE0;
1881 else
1882 psxHu8(0x1803) = 0xff;
1883 } else {
1884 psxHu8(0x1803) = 0;
1885 }
1886#ifdef CDR_LOG
1887 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1888#endif
1889 return psxHu8(0x1803);
1890}
1891
1892void cdrWrite3(unsigned char rt) {
1893#ifdef CDR_LOG
1894 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1895#endif
056d6759 1896
9f8b032d 1897 // Tekken: CDXA fade-out
1898 if( (cdr.Ctrl & 3) == 2 ) {
1899 cdr.AttenuatorLeft[1] = rt;
1900 }
1901 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
1902#ifdef CDR_LOG
1903 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1904 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1905 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1906#endif
1907 }
056d6759 1908
9f8b032d 1909
1910 // GameShark CDX CD Player: Irq timing mania
1911 if( rt == 0 &&
1912 cdr.Irq != 0 && cdr.Irq != 0xff &&
1913 cdr.ResultReady == 0 ) {
1914
1915 // GS CDX: ~0x28 cycle timing - way too precise
1916 if( cdr.Irq == CdlGetlocP ) {
1917 cdrInterrupt();
1918
1919 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1920 }
1921 }
1922
1923
50b13be9 1924 if (rt == 0x07 && (cdr.Ctrl & 3) == 1) {
ef79bbde
P		 1925 cdr.Stat = 0;
1926
1927 if (cdr.Irq == 0xff) {
1928 cdr.Irq = 0;
1929 return;
1930 }
9f8b032d 1931
aa40e1b8 1932 // XA streaming - incorrect timing because of this reschedule
1933 // - Final Fantasy Tactics
1934 // - various other games
1935
9f8b032d 1936 if (cdr.Reading && !cdr.ResultReady) {
4955e9d0 1937 int left = psxRegs.intCycle[PSXINT_CDREAD].sCycle + psxRegs.intCycle[PSXINT_CDREAD].cycle - psxRegs.cycle;
1938 int time = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime;
4feed8d3 1939 if (Config.CdrReschedule != 2)
1940 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
1941 //printf("-- resched %d -> %d\n", left, time);
1942 CDREAD_INT(time);
4955e9d0 1943 }
9f8b032d 1944 }
ef79bbde
P		 1945
1946 return;
1947 }
9f8b032d 1948
50b13be9 1949 if (rt == 0x80 && !(cdr.Ctrl & 0x3) && cdr.Readed == 0) {
ef79bbde
P		 1950 cdr.Readed = 1;
1951 cdr.pTransfer = cdr.Transfer;
1952
1953 switch (cdr.Mode & 0x30) {
9f8b032d 1954 case MODE_SIZE_2328:
ef79bbde
P		 1955 case 0x00:
1956 cdr.pTransfer += 12;
1957 break;
9f8b032d 1958
1959 case MODE_SIZE_2340:
1960 cdr.pTransfer += 0;
1961 break;
1962
ef79bbde
P		 1963 default:
1964 break;
1965 }
1966 }
1967}
1968
1969void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1970 u32 cdsize;
c7071c43 1971 int size;
ef79bbde
P		 1972 u8 *ptr;
1973
1974#ifdef CDR_LOG
1975 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1976#endif
1977
1978 switch (chcr) {
1979 case 0x11000000:
1980 case 0x11400100:
1981 if (cdr.Readed == 0) {
1982#ifdef CDR_LOG
1983 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1984#endif
1985 break;
1986 }
1987
1988 cdsize = (bcr & 0xffff) * 4;
1989
9f8b032d 1990 // Ape Escape: bcr = 0001 / 0000
1991 // - fix boot
1992 if( cdsize == 0 )
1993 {
1994 switch (cdr.Mode & 0x30) {
1995 case 0x00: cdsize = 2048; break;
1996 case MODE_SIZE_2328: cdsize = 2328; break;
1997 case MODE_SIZE_2340: cdsize = 2340; break;
1998 }
1999 }
2000
2001
ef79bbde
P		 2002 ptr = (u8 *)PSXM(madr);
2003 if (ptr == NULL) {
2004#ifdef CPU_LOG
2005 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
2006#endif
2007 break;
2008 }
9f8b032d 2009
2010 /*
2011 GS CDX: Enhancement CD crash
2012 - Setloc 0:0:0
2013 - CdlPlay
2014 - Spams DMA3 and gets buffer overrun
2015 */
c7071c43 2016 size = CD_FRAMESIZE_RAW - (cdr.pTransfer - cdr.Transfer);
2017 if (size > cdsize)
2018 size = cdsize;
2019 if (size > 0)
9f8b032d 2020 {
c7071c43 2021 memcpy(ptr, cdr.pTransfer, size);
9f8b032d 2022 }
2023
ef79bbde
P		 2024 psxCpu->Clear(madr, cdsize / 4);
2025 cdr.pTransfer += cdsize;
9f8b032d 2026
2027
2028 // burst vs normal
2029 if( chcr == 0x11400100 ) {
2030 CDRDMA_INT( (cdsize/4) / 4 );
2031 }
2032 else if( chcr == 0x11000000 ) {
2033 CDRDMA_INT( (cdsize/4) * 1 );
2034 }
2035 return;
2036
ef79bbde
P		 2037 default:
2038#ifdef CDR_LOG
2039 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2040#endif
2041 break;
2042 }
2043
2044 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2045 DMA_INTERRUPT(3);
2046}
2047
9f8b032d 2048void cdrDmaInterrupt()
2049{
ad418c19 2050 if (HW_DMA3_CHCR & SWAP32(0x01000000))
2051 {
2052 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2053 DMA_INTERRUPT(3);
2054 }
9f8b032d 2055}
2056
ef79bbde
P		 2057void cdrReset() {
2058 memset(&cdr, 0, sizeof(cdr));
2059 cdr.CurTrack = 1;
2060 cdr.File = 1;
2061 cdr.Channel = 1;
056d6759 2062
2063 // BIOS player - default values
2064 cdr.AttenuatorLeft[0] = 0x80;
2065 cdr.AttenuatorLeft[1] = 0x00;
2066 cdr.AttenuatorRight[0] = 0x80;
2067 cdr.AttenuatorRight[1] = 0x00;
ef79bbde
P		 2068}
2069
2070int cdrFreeze(gzFile f, int Mode) {
2071 uintptr_t tmp;
2072
ef79bbde 2073
9f8b032d 2074 if( Mode == 0 ) {
2075 StopCdda();
2076 }
2077
2078 gzfreeze(&cdr, sizeof(cdr));
2079
ef79bbde
P		 2080 if (Mode == 1)
2081 tmp = cdr.pTransfer - cdr.Transfer;
2082
2083 gzfreeze(&tmp, sizeof(tmp));
2084
42f3c512 2085 if (Mode == 0) {
ef79bbde
P		 2086 cdr.pTransfer = cdr.Transfer + tmp;
2087
42f3c512 2088 if (cdr.Play && !Config.Cdda)
2089 CDR_play(cdr.SetSectorPlay);
2090 }
2091
ef79bbde
P		 2092 return 0;
2093}
9f8b032d 2094
2095void LidInterrupt() {
2096 cdr.LidCheck = 0x20; // start checker
2097
2098 CDRLID_INT( cdReadTime * 3 );
2099
2100 // generate interrupt if none active - open or close
2101 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2102 cdr.Ctrl |= 0x80;
2103 cdr.Stat = NoIntr;
2104 AddIrqQueue(CdlNop, 0x800);
2105 }
2106}
ARM optimized PCSX fork