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psx_gpu: change enh buffer selection once more
[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 ) {
544#ifdef CDR_LOG
545 CDR_LOG( "CDDA SUB - %X:%X:%X\n",
546 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
547#endif
548
549 /*
550 CDDA Autopause
551
552 Silhouette Mirage ($3)
553 Tomb Raider 1 ($7)
554 */
555
9b470ab7 556 if( cdr.CurTrack < btoi( subq->TrackNumber ) )
557 track_changed = 1;
7f457614 558 } else {
559 Create_Fake_Subq();
560#ifdef CDR_LOG___0
561 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
562 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
563#endif
564
9b470ab7 565 track_changed = fake_subq_change;
7f457614 566 fake_subq_change = 0;
567 }
568
9b470ab7 569 if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
7f457614 570#ifdef CDR_LOG
571 CDR_LOG( "CDDA STOP\n" );
572#endif
573
574 // Magic the Gathering
575 // - looping territory cdda
576
577 // ...?
578 //cdr.ResultReady = 1;
579 //cdr.Stat = DataReady;
580 cdr.Stat = DataEnd;
581 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
582
583 StopCdda();
584 }
585 if (cdr.Mode & MODE_REPORT) {
7f457614 586 if (subq != NULL) {
587#ifdef CDR_LOG
588 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
589 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
590#endif
591 cdr.CurTrack = btoi( subq->TrackNumber );
592
9b470ab7 593 if (subq->AbsoluteAddress[2] & 0xf)
594 return;
595
596 cdr.Result[0] = cdr.StatP;
7f457614 597 // BIOS CD Player: data already BCD format
598 cdr.Result[1] = subq->TrackNumber;
599 cdr.Result[2] = subq->IndexNumber;
600
601 cdr.Result[3] = subq->AbsoluteAddress[0];
602 cdr.Result[4] = subq->AbsoluteAddress[1];
603 cdr.Result[5] = subq->AbsoluteAddress[2];
604 } else {
605#ifdef CDR_LOG___0
606 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
607 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
608#endif
609
9b470ab7 610 if (fake_subq_real[2] & 0xf)
611 return;
612
613 cdr.Result[0] = cdr.StatP;
7f457614 614 // track # / index #
615 cdr.Result[1] = itob(cdr.CurTrack);
616 cdr.Result[2] = itob(fake_subq_index);
617 // absolute
618 cdr.Result[3] = itob( fake_subq_real[0] );
619 cdr.Result[4] = itob( fake_subq_real[1] );
620 cdr.Result[5] = itob( fake_subq_real[2] );
621 }
622
623 // Rayman: Logo freeze (resultready + dataready)
624 cdr.ResultReady = 1;
625 cdr.Stat = DataReady;
626
627 SetResultSize(8);
628 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
629 }
630}
631
632void cdrPlayInterrupt()
633{
634 if( !cdr.Play ) return;
635
636#ifdef CDR_LOG
637 CDR_LOG( "CDDA - %d:%d:%d\n",
638 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
639#endif
640 CDRPLAY_INT( cdReadTime );
641
642 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
643 cdrPlayInterrupt_Autopause();
644
645 cdr.SetSectorPlay[2]++;
646 if (cdr.SetSectorPlay[2] == 75) {
647 cdr.SetSectorPlay[2] = 0;
648 cdr.SetSectorPlay[1]++;
649 if (cdr.SetSectorPlay[1] == 60) {
650 cdr.SetSectorPlay[1] = 0;
651 cdr.SetSectorPlay[0]++;
652 }
653 }
654
655 //Check_Shell(0);
656}
657
ef79bbde
P		 658void cdrInterrupt() {
659 int i;
660 unsigned char Irq = cdr.Irq;
7f457614 661 struct SubQ *subq;
ef79bbde 662
9f8b032d 663 // Reschedule IRQ
ef79bbde 664 if (cdr.Stat) {
9f8b032d 665 CDR_INT( 0x100 );
ef79bbde
P		 666 return;
667 }
668
669 cdr.Irq = 0xff;
670 cdr.Ctrl &= ~0x80;
671
672 switch (Irq) {
673 case CdlSync:
674 SetResultSize(1);
9f8b032d 675 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 676 cdr.Result[0] = cdr.StatP;
677 cdr.Stat = Acknowledge;
678 break;
679
680 case CdlNop:
681 SetResultSize(1);
682 cdr.Result[0] = cdr.StatP;
683 cdr.Stat = Acknowledge;
9f8b032d 684
685 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 686 break;
687
688 case CdlSetloc:
689 cdr.CmdProcess = 0;
690 SetResultSize(1);
9f8b032d 691 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 692 cdr.Result[0] = cdr.StatP;
693 cdr.Stat = Acknowledge;
694 break;
695
696 case CdlPlay:
9f8b032d 697 fake_subq_change = 0;
698
699 if( cdr.Seeked == FALSE ) {
700 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
701 cdr.Seeked = TRUE;
702 }
703
704 /*
705 Rayman: detect track changes
706 - fixes logo freeze
707
708 Twisted Metal 2: skip PREGAP + starting accurate SubQ
709 - plays tracks without retry play
710
711 Wild 9: skip PREGAP + starting accurate SubQ
712 - plays tracks without retry play
713 */
696c9530 714 /* unneeded with correct cdriso?
9f8b032d 715 Set_Track();
696c9530 716 */
9f8b032d 717 Find_CurTrack();
718 ReadTrack( cdr.SetSectorPlay );
719
9f8b032d 720 // GameShark CD Player: Calls 2x + Play 2x
721 if( cdr.FastBackward || cdr.FastForward ) {
722 if( cdr.FastForward ) cdr.FastForward--;
723 if( cdr.FastBackward ) cdr.FastBackward--;
724
725 if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
726 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
727 cdr.SetSectorPlay[0] = stat.Time[0];
728 cdr.SetSectorPlay[1] = stat.Time[1];
729 cdr.SetSectorPlay[2] = stat.Time[2];
730 }
731 }
732 }
733
734
735 if (!Config.Cdda) {
736 // BIOS CD Player
737 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
738
739 // GameShark CD Player: Resume play
740 if( cdr.ParamC == 0 ) {
741#ifdef CDR_LOG___0
742 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
743 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
744#endif
745
746 //CDR_play( cdr.SetSectorPlay );
747 }
748 else
749 {
750 // BIOS CD Player: Resume play
751 if( cdr.Param[0] == 0 ) {
752#ifdef CDR_LOG___0
753 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
754 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
755#endif
756
757 //CDR_play( cdr.SetSectorPlay );
758 }
759 else {
760#ifdef CDR_LOG___0
761 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
762 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
763#endif
764
765 // BIOS CD Player: Allow track replaying
766 StopCdda();
767
768
769 cdr.CurTrack = btoi( cdr.Param[0] );
770
771 if (CDR_getTN(cdr.ResultTN) != -1) {
772 // check last track
773 if (cdr.CurTrack > cdr.ResultTN[1])
774 cdr.CurTrack = cdr.ResultTN[1];
775
776 if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
777 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
778 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
779 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
780
781 // reset data
782 Set_Track();
783 Find_CurTrack();
784 ReadTrack( cdr.SetSectorPlay );
785
786 //CDR_play(cdr.SetSectorPlay);
787 }
788 }
789 }
790 }
791 }
792
793
794 // Vib Ribbon: gameplay checks flag
795 cdr.StatP &= ~STATUS_SEEK;
796
797
ef79bbde
P		 798 cdr.CmdProcess = 0;
799 SetResultSize(1);
9f8b032d 800 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 801 cdr.Result[0] = cdr.StatP;
802 cdr.Stat = Acknowledge;
9f8b032d 803
804 cdr.StatP |= STATUS_PLAY;
805
806
807 // BIOS player - set flag again
808 cdr.Play = TRUE;
809
7f457614 810 CDRPLAY_INT( cdReadTime );
ef79bbde
P		 811 break;
812
9f8b032d 813 case CdlForward:
ef79bbde
P		 814 cdr.CmdProcess = 0;
815 SetResultSize(1);
9f8b032d 816 cdr.StatP |= STATUS_ROTATING;
817 cdr.Result[0] = cdr.StatP;
818 cdr.Stat = Complete;
819
820
821 // GameShark CD Player: Calls 2x + Play 2x
822 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
823 else cdr.FastForward++;
824
825 cdr.FastBackward = 0;
ef79bbde
P		 826 break;
827
9f8b032d 828 case CdlBackward:
ef79bbde
P		 829 cdr.CmdProcess = 0;
830 SetResultSize(1);
9f8b032d 831 cdr.StatP |= STATUS_ROTATING;
832 cdr.Result[0] = cdr.StatP;
833 cdr.Stat = Complete;
834
835
836 // GameShark CD Player: Calls 2x + Play 2x
837 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
838 else cdr.FastBackward++;
839
840 cdr.FastForward = 0;
ef79bbde
P		 841 break;
842
9f8b032d 843 case CdlStandby:
ef79bbde
P		 844 cdr.CmdProcess = 0;
845 SetResultSize(1);
9f8b032d 846 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 847 cdr.Result[0] = cdr.StatP;
848 cdr.Stat = Complete;
849 break;
850
851 case CdlStop:
852 cdr.CmdProcess = 0;
853 SetResultSize(1);
9f8b032d 854 cdr.StatP &= ~STATUS_ROTATING;
ef79bbde
P		 855 cdr.Result[0] = cdr.StatP;
856 cdr.Stat = Complete;
857// cdr.Stat = Acknowledge;
858
9f8b032d 859 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 860 break;
861
862 case CdlPause:
863 SetResultSize(1);
864 cdr.Result[0] = cdr.StatP;
9f8b032d 865 cdr.Stat = Acknowledge;
866
12228917 867 /*
868 Gundam Battle Assault 2: much slower (*)
869 - Fixes boot, gameplay
870
871 Hokuto no Ken 2: slower
872 - Fixes intro + subtitles
873
874 InuYasha - Feudal Fairy Tale: slower
875 - Fixes battles
876 */
877 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
ef79bbde
P		 878 cdr.Ctrl |= 0x80;
879 break;
880
881 case CdlPause + 0x20:
882 SetResultSize(1);
9f8b032d 883 cdr.StatP &= ~STATUS_READ;
884 cdr.StatP |= STATUS_ROTATING;
ef79bbde 885 cdr.Result[0] = cdr.StatP;
9f8b032d 886 cdr.Stat = Complete;
ef79bbde
P		 887 break;
888
9f8b032d 889 case CdlInit:
ef79bbde 890 SetResultSize(1);
9f8b032d 891 cdr.StatP = STATUS_ROTATING;
ef79bbde 892 cdr.Result[0] = cdr.StatP;
9f8b032d 893 cdr.Stat = Acknowledge;
ef79bbde 894// if (!cdr.Init) {
9f8b032d 895 AddIrqQueue(CdlInit + 0x20, 0x800);
ef79bbde
P		 896// }
897 break;
898
899 case CdlInit + 0x20:
900 SetResultSize(1);
901 cdr.Result[0] = cdr.StatP;
9f8b032d 902 cdr.Stat = Complete;
ef79bbde
P		 903 cdr.Init = 1;
904 break;
905
9f8b032d 906 case CdlMute:
ef79bbde 907 SetResultSize(1);
9f8b032d 908 cdr.StatP |= STATUS_ROTATING;
909 cdr.Result[0] = cdr.StatP;
910 cdr.Stat = Acknowledge;
ef79bbde
P		 911 break;
912
9f8b032d 913 case CdlDemute:
ef79bbde 914 SetResultSize(1);
9f8b032d 915 cdr.StatP |= STATUS_ROTATING;
916 cdr.Result[0] = cdr.StatP;
917 cdr.Stat = Acknowledge;
ef79bbde
P		 918 break;
919
9f8b032d 920 case CdlSetfilter:
ef79bbde 921 SetResultSize(1);
9f8b032d 922 cdr.StatP |= STATUS_ROTATING;
923 cdr.Result[0] = cdr.StatP;
924 cdr.Stat = Acknowledge;
925 break;
ef79bbde
P		 926
927 case CdlSetmode:
928 SetResultSize(1);
9f8b032d 929 cdr.StatP |= STATUS_ROTATING;
930 cdr.Result[0] = cdr.StatP;
931 cdr.Stat = Acknowledge;
932 break;
ef79bbde 933
9f8b032d 934 case CdlGetmode:
ef79bbde 935 SetResultSize(6);
9f8b032d 936 cdr.StatP |= STATUS_ROTATING;
937 cdr.Result[0] = cdr.StatP;
938 cdr.Result[1] = cdr.Mode;
939 cdr.Result[2] = cdr.File;
940 cdr.Result[3] = cdr.Channel;
941 cdr.Result[4] = 0;
942 cdr.Result[5] = 0;
943 cdr.Stat = Acknowledge;
944 break;
ef79bbde 945
9f8b032d 946 case CdlGetlocL:
ef79bbde 947 SetResultSize(8);
9f8b032d 948 for (i = 0; i < 8; i++)
ef79bbde 949 cdr.Result[i] = cdr.Transfer[i];
9f8b032d 950 cdr.Stat = Acknowledge;
951 break;
ef79bbde
P		 952
953 case CdlGetlocP:
9f8b032d 954 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
955 SetResultSize(17);
956 memset( cdr.Result, 0, 16 );
957
ef79bbde
P		 958 subq = (struct SubQ *)CDR_getBufferSub();
959
960 if (subq != NULL) {
961 cdr.Result[0] = subq->TrackNumber;
962 cdr.Result[1] = subq->IndexNumber;
963 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
964 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
965
9f8b032d 966
967 // subQ integrity check - data only (skip audio)
968 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
ef79bbde
P		 969 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
970 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
971 }
9f8b032d 972 }
ef79bbde 973 } else {
7f457614 974 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
975 Create_Fake_Subq();
ef79bbde 976
ef79bbde 977
9f8b032d 978 // track # / index #
979 cdr.Result[0] = itob(cdr.CurTrack);
980 cdr.Result[1] = itob(fake_subq_index);
ef79bbde 981
9f8b032d 982 // local
983 cdr.Result[2] = itob( fake_subq_local[0] );
984 cdr.Result[3] = itob( fake_subq_local[1] );
985 cdr.Result[4] = itob( fake_subq_local[2] );
ef79bbde 986
9f8b032d 987 // absolute
988 cdr.Result[5] = itob( fake_subq_real[0] );
989 cdr.Result[6] = itob( fake_subq_real[1] );
990 cdr.Result[7] = itob( fake_subq_real[2] );
ef79bbde
P		 991 }
992
9f8b032d 993 // redump.org - wipe time
ae4e7dc9 994 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
9f8b032d 995 memset( cdr.Result+2, 0, 6 );
996 }
9f8b032d 997
ef79bbde
P		 998 cdr.Stat = Acknowledge;
999 break;
1000
9f8b032d 1001 case CdlGetTN:
1002 // 5-Star Racing: don't stop CDDA
1003 //
1004 // Vib Ribbon: CD swap
1005 StopReading();
1006
ef79bbde
P		 1007 cdr.CmdProcess = 0;
1008 SetResultSize(3);
9f8b032d 1009 cdr.StatP |= STATUS_ROTATING;
1010 cdr.Result[0] = cdr.StatP;
1011 if (CDR_getTN(cdr.ResultTN) == -1) {
ef79bbde 1012 cdr.Stat = DiskError;
9f8b032d 1013 cdr.Result[0] |= STATUS_ERROR;
1014 } else {
1015 cdr.Stat = Acknowledge;
1016 cdr.Result[1] = itob(cdr.ResultTN[0]);
1017 cdr.Result[2] = itob(cdr.ResultTN[1]);
1018 }
1019 break;
ef79bbde 1020
9f8b032d 1021 case CdlGetTD:
ef79bbde
P		 1022 cdr.CmdProcess = 0;
1023 cdr.Track = btoi(cdr.Param[0]);
1024 SetResultSize(4);
9f8b032d 1025 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 1026 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1027 cdr.Stat = DiskError;
9f8b032d 1028 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1029 } else {
1030 cdr.Stat = Acknowledge;
1031 cdr.Result[0] = cdr.StatP;
1032 cdr.Result[1] = itob(cdr.ResultTD[2]);
1033 cdr.Result[2] = itob(cdr.ResultTD[1]);
1034 cdr.Result[3] = itob(cdr.ResultTD[0]);
1035 }
1036 break;
1037
9f8b032d 1038 case CdlSeekL:
ef79bbde 1039 SetResultSize(1);
9f8b032d 1040 cdr.StatP |= STATUS_ROTATING;
1041 cdr.Result[0] = cdr.StatP;
1042 cdr.StatP |= STATUS_SEEK;
1043 cdr.Stat = Acknowledge;
1044
1045 /*
1046 Crusaders of Might and Magic = 0.5x-4x
1047 - fix cutscene speech start
1048
1049 Eggs of Steel = 2x-?
1050 - fix new game
1051
1052 Medievil = ?-4x
1053 - fix cutscene speech
1054
1055 Rockman X5 = 0.5-4x
1056 - fix capcom logo
1057 */
1058 AddIrqQueue(CdlSeekL + 0x20, cdReadTime * 4);
ef79bbde
P		 1059 break;
1060
9f8b032d 1061 case CdlSeekL + 0x20:
ef79bbde 1062 SetResultSize(1);
9f8b032d 1063 cdr.StatP |= STATUS_ROTATING;
1064 cdr.StatP &= ~STATUS_SEEK;
1065 cdr.Result[0] = cdr.StatP;
1066 cdr.Seeked = TRUE;
1067 cdr.Stat = Complete;
1068
1069
1070 // Mega Man Legends 2: must update read cursor for getlocp
1071 ReadTrack( cdr.SetSector );
ef79bbde
P		 1072 break;
1073
9f8b032d 1074 case CdlSeekP:
ef79bbde 1075 SetResultSize(1);
9f8b032d 1076 cdr.StatP |= STATUS_ROTATING;
1077 cdr.Result[0] = cdr.StatP;
1078 cdr.StatP |= STATUS_SEEK;
1079 cdr.Stat = Acknowledge;
1080 AddIrqQueue(CdlSeekP + 0x20, cdReadTime * 1);
ef79bbde
P		 1081 break;
1082
9f8b032d 1083 case CdlSeekP + 0x20:
ef79bbde 1084 SetResultSize(1);
9f8b032d 1085 cdr.StatP |= STATUS_ROTATING;
1086 cdr.StatP &= ~STATUS_SEEK;
1087 cdr.Result[0] = cdr.StatP;
1088 cdr.Stat = Complete;
1089 cdr.Seeked = TRUE;
1090
1091 // GameShark Music Player
1092 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
1093
1094 // Tomb Raider 2: must update read cursor for getlocp
1095 Find_CurTrack();
1096 ReadTrack( cdr.SetSectorPlay );
ef79bbde
P		 1097 break;
1098
1099 case CdlTest:
9f8b032d 1100 cdr.Stat = Acknowledge;
1101 switch (cdr.Param[0]) {
1102 case 0x20: // System Controller ROM Version
ef79bbde
P		 1103 SetResultSize(4);
1104 memcpy(cdr.Result, Test20, 4);
1105 break;
1106 case 0x22:
1107 SetResultSize(8);
1108 memcpy(cdr.Result, Test22, 4);
1109 break;
1110 case 0x23: case 0x24:
1111 SetResultSize(8);
1112 memcpy(cdr.Result, Test23, 4);
1113 break;
9f8b032d 1114 }
ef79bbde
P		 1115 break;
1116
9f8b032d 1117 case CdlID:
ef79bbde 1118 SetResultSize(1);
9f8b032d 1119 cdr.StatP |= STATUS_ROTATING;
1120 cdr.Result[0] = cdr.StatP;
1121 cdr.Stat = Acknowledge;
1122 AddIrqQueue(CdlID + 0x20, 0x800);
ef79bbde
P		 1123 break;
1124
1125 case CdlID + 0x20:
1126 SetResultSize(8);
9f8b032d 1127
1128 if (CDR_getStatus(&stat) == -1) {
1129 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1130 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1131 }
1132 else {
1133 if (stat.Type == 2) {
1134 // Music CD
1135 cdr.Result[0] = 0x08;
1136 cdr.Result[1] = 0x10;
1137
1138 cdr.Result[1] |= 0x80;
1139 }
1140 else {
1141 // Data CD
1142 if (CdromId[0] == '\0') {
1143 cdr.Result[0] = 0x00;
1144 cdr.Result[1] = 0x80;
1145 }
1146 else {
1147 cdr.Result[0] = 0x08;
1148 cdr.Result[1] = 0x00;
1149 }
1150 }
1151 }
1152
ef79bbde
P		 1153 cdr.Result[2] = 0x00;
1154 cdr.Result[3] = 0x00;
1155 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1156 cdr.Stat = Complete;
1157 break;
1158
1159 case CdlReset:
1160 SetResultSize(1);
9f8b032d 1161 cdr.StatP = STATUS_ROTATING;
ef79bbde 1162 cdr.Result[0] = cdr.StatP;
9f8b032d 1163 cdr.Stat = Acknowledge;
ef79bbde
P		 1164 break;
1165
9f8b032d 1166 case CdlReadT:
1167 SetResultSize(1);
1168 cdr.StatP |= STATUS_ROTATING;
1169 cdr.Result[0] = cdr.StatP;
1170 cdr.Stat = Acknowledge;
1171 AddIrqQueue(CdlReadT + 0x20, 0x800);
1172 break;
1173
1174 case CdlReadT + 0x20:
1175 SetResultSize(1);
1176 cdr.StatP |= STATUS_ROTATING;
1177 cdr.Result[0] = cdr.StatP;
1178 cdr.Stat = Complete;
1179 break;
1180
1181 case CdlReadToc:
ef79bbde 1182 SetResultSize(1);
9f8b032d 1183 cdr.StatP |= STATUS_ROTATING;
1184 cdr.Result[0] = cdr.StatP;
1185 cdr.Stat = Acknowledge;
1186 AddIrqQueue(CdlReadToc + 0x20, 0x800);
ef79bbde
P		 1187 break;
1188
9f8b032d 1189 case CdlReadToc + 0x20:
ef79bbde 1190 SetResultSize(1);
9f8b032d 1191 cdr.StatP |= STATUS_ROTATING;
1192 cdr.Result[0] = cdr.StatP;
1193 cdr.Stat = Complete;
ef79bbde
P		 1194 break;
1195
1196 case AUTOPAUSE:
1197 cdr.OCUP = 0;
1198/* SetResultSize(1);
1199 StopCdda();
1200 StopReading();
1201 cdr.OCUP = 0;
9f8b032d 1202 cdr.StatP&=~0x20;
ef79bbde 1203 cdr.StatP|= 0x2;
9f8b032d 1204 cdr.Result[0] = cdr.StatP;
1205 cdr.Stat = DataEnd;
ef79bbde
P		 1206*/ AddIrqQueue(CdlPause, 0x800);
1207 break;
1208
1209 case READ_ACK:
1210 if (!cdr.Reading) return;
1211
9f8b032d 1212
1213 // Fighting Force 2 - update subq time immediately
1214 // - fixes new game
1215 ReadTrack( cdr.SetSector );
1216
1217
1218 // Crusaders of Might and Magic - update getlocl now
1219 // - fixes cutscene speech
1220 {
1221 u8 *buf = CDR_getBuffer();
a48ae3a7 1222 if (buf != NULL)
1223 memcpy(cdr.Transfer, buf, 8);
9f8b032d 1224 }
1225
1226
1227 /*
1228 Duke Nukem: Land of the Babes - seek then delay read for one frame
1229 - fixes cutscenes
914722b2 1230 C-12 - Final Resistance - doesn't like seek
9f8b032d 1231 */
1232
ef79bbde
P		 1233 if (!cdr.Seeked) {
1234 cdr.Seeked = TRUE;
ef79bbde 1235
9f8b032d 1236 cdr.StatP |= STATUS_SEEK;
1237 cdr.StatP &= ~STATUS_READ;
1238
1239 // Crusaders of Might and Magic - use short time
1240 // - fix cutscene speech (startup)
1241
1242 // ??? - use more accurate seek time later
1243 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1244 } else {
1245 cdr.StatP |= STATUS_READ;
1246 cdr.StatP &= ~STATUS_SEEK;
1247
1248 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1249 }
ef79bbde 1250
ef79bbde 1251 SetResultSize(1);
9f8b032d 1252 cdr.StatP |= STATUS_ROTATING;
1253 cdr.Result[0] = cdr.StatP;
1254 cdr.Stat = Acknowledge;
ef79bbde
P		 1255 break;
1256
ef79bbde
P		 1257 case 0xff:
1258 return;
1259
1260 default:
1261 cdr.Stat = Complete;
1262 break;
1263 }
1264
9f8b032d 1265 Check_Shell( Irq );
1266
2daaaae3 1267 cdr.ParamP = 0;
1268 cdr.ParamC = 0;
1269
ef79bbde
P		 1270 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1271 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1272 }
1273
1274#ifdef CDR_LOG
1275 CDR_LOG("cdrInterrupt() Log: CDR Interrupt IRQ %x\n", Irq);
1276#endif
1277}
1278
1279void cdrReadInterrupt() {
1280 u8 *buf;
1281
1282 if (!cdr.Reading)
1283 return;
1284
9f8b032d 1285 if (cdr.Irq || cdr.Stat) {
1286 CDREAD_INT(0x100);
ef79bbde
P		 1287 return;
1288 }
1289
1290#ifdef CDR_LOG
1291 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1292#endif
1293
9f8b032d 1294 cdr.OCUP = 1;
ef79bbde 1295 SetResultSize(1);
9f8b032d 1296 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1297 cdr.StatP &= ~STATUS_SEEK;
1298 cdr.Result[0] = cdr.StatP;
ef79bbde 1299
9f8b032d 1300 ReadTrack( cdr.SetSector );
ef79bbde
P		 1301
1302 buf = CDR_getBuffer();
1303 if (buf == NULL)
1304 cdr.RErr = -1;
1305
1306 if (cdr.RErr == -1) {
1307#ifdef CDR_LOG
1308 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1309#endif
1310 memset(cdr.Transfer, 0, DATA_SIZE);
1311 cdr.Stat = DiskError;
9f8b032d 1312 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1313 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1314 return;
1315 }
1316
1317 memcpy(cdr.Transfer, buf, DATA_SIZE);
1318 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1319
ef79bbde
P		 1320
1321#ifdef CDR_LOG
1322 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1323#endif
1324
9f8b032d 1325 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1326 // Firemen 2: Multi-XA files - briefings, cutscenes
1327 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1328 cdr.File = cdr.Transfer[4 + 0];
1329 cdr.Channel = cdr.Transfer[4 + 1];
1330 }
1331
ef79bbde 1332 if ((cdr.Transfer[4 + 2] & 0x4) &&
9f8b032d 1333 (cdr.Transfer[4 + 1] == cdr.Channel) &&
ef79bbde
P		 1334 (cdr.Transfer[4 + 0] == cdr.File)) {
1335 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1336
1337 if (!ret) {
056d6759 1338 // only handle attenuator basic channel switch for now
1339 if (cdr.Xa.stereo) {
1340 int i;
1341 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1342 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1343 {
1344 for (i = 0; i < cdr.Xa.nsamples; i++)
1345 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1346 }
1347 else 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] = cdr.Xa.pcm[i*2 + 1];
1352 }
1353 }
1354
ef79bbde
P		 1355 SPU_playADPCMchannel(&cdr.Xa);
1356 cdr.FirstSector = 0;
9f8b032d 1357
2f246254 1358#if 0
9f8b032d 1359 // Crash Team Racing: music, speech
2f246254 1360 // - done using cdda decoded buffer (spu irq)
1361 // - don't do here
9f8b032d 1362
1363 // signal ADPCM data ready
1364 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
2f246254 1365#endif
ef79bbde
P		 1366 }
1367 else cdr.FirstSector = -1;
1368 }
1369 }
1370
1371 cdr.SetSector[2]++;
9f8b032d 1372 if (cdr.SetSector[2] == 75) {
1373 cdr.SetSector[2] = 0;
1374 cdr.SetSector[1]++;
1375 if (cdr.SetSector[1] == 60) {
1376 cdr.SetSector[1] = 0;
1377 cdr.SetSector[0]++;
1378 }
1379 }
1380
1381 cdr.Readed = 0;
1382
1383 // G-Police: Don't autopause ADPCM even if mode set (music)
1384 if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
1385 (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
ef79bbde
P		 1386#ifdef CDR_LOG
1387 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1388#endif
9f8b032d 1389// AddIrqQueue(AUTOPAUSE, 0x2000);
1390 AddIrqQueue(CdlPause, 0x2000);
ef79bbde
P		 1391 }
1392 else {
9f8b032d 1393 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1394 }
1395
1396 /*
1397 Croc 2: $40 - only FORM1 (*)
1398 Judge Dredd: $C8 - only FORM1 (*)
1399 Sim Theme Park - no adpcm at all (zero)
1400 */
1401
1402 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1403 cdr.Stat = DataReady;
1404 } else {
1405 // Breath of Fire 3 - fix inn sleeping
1406 // Rockman X5 - no music restart problem
1407 cdr.Stat = NoIntr;
ef79bbde
P		 1408 }
1409 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
9f8b032d 1410
1411 Check_Shell(0);
ef79bbde
P		 1412}
1413
1414/*
1415cdrRead0:
1416 bit 0 - 0 REG1 command send / 1 REG1 data read
1417 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1418 bit 2 - unknown
1419 bit 3 - unknown
1420 bit 4 - unknown
1421 bit 5 - 1 result ready
1422 bit 6 - 1 dma ready
1423 bit 7 - 1 command being processed
1424*/
1425
1426unsigned char cdrRead0(void) {
1427 if (cdr.ResultReady)
1428 cdr.Ctrl |= 0x20;
1429 else
1430 cdr.Ctrl &= ~0x20;
1431
1432 if (cdr.OCUP)
1433 cdr.Ctrl |= 0x40;
1434// else
1435// cdr.Ctrl &= ~0x40;
1436
1437 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1438 cdr.Ctrl |= 0x18;
1439
1440#ifdef CDR_LOG
1441 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1442#endif
1443
1444 return psxHu8(0x1800) = cdr.Ctrl;
1445}
1446
1447/*
1448cdrWrite0:
1449 0 - to send a command / 1 - to get the result
1450*/
1451
1452void cdrWrite0(unsigned char rt) {
1453#ifdef CDR_LOG
1454 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1455#endif
50b13be9 1456 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
ef79bbde
P		 1457}
1458
1459unsigned char cdrRead1(void) {
1460 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
9f8b032d 1461 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1462 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1463 cdr.ResultP++;
ef79bbde
P		 1464 if (cdr.ResultP == cdr.ResultC)
1465 cdr.ResultReady = 0;
1466 } else {
1467 psxHu8(0x1801) = 0;
1468 }
1469#ifdef CDR_LOG
1470 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1471#endif
1472 return psxHu8(0x1801);
1473}
1474
1475void cdrWrite1(unsigned char rt) {
914722b2 1476 char set_loc[3];
ef79bbde
P		 1477 int i;
1478
1479#ifdef CDR_LOG
1480 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1481#endif
9f8b032d 1482
1483
1484 // Tekken: CDXA fade-out
1485 if( (cdr.Ctrl & 3) == 3 ) {
056d6759 1486 cdr.AttenuatorRight[0] = rt;
9f8b032d 1487 }
1488
1489
ef79bbde 1490// psxHu8(0x1801) = rt;
9f8b032d 1491 cdr.Cmd = rt;
ef79bbde
P		 1492 cdr.OCUP = 0;
1493
1494#ifdef CDRCMD_DEBUG
1495 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1496 if (cdr.ParamC) {
1497 SysPrintf(" Param[%d] = {", cdr.ParamC);
1498 for (i = 0; i < cdr.ParamC; i++)
1499 SysPrintf(" %x,", cdr.Param[i]);
1500 SysPrintf("}\n");
1501 } else {
1502 SysPrintf("\n");
1503 }
1504#endif
1505
50b13be9 1506 if (cdr.Ctrl & 0x3) return;
ef79bbde 1507
2daaaae3 1508 cdr.ResultReady = 0;
1509
9f8b032d 1510 switch (cdr.Cmd) {
ef79bbde 1511 case CdlSync:
9f8b032d 1512 cdr.Ctrl |= 0x80;
ef79bbde 1513 cdr.Stat = NoIntr;
9f8b032d 1514 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1515 break;
1516
1517 case CdlNop:
9f8b032d 1518 cdr.Ctrl |= 0x80;
ef79bbde 1519 cdr.Stat = NoIntr;
9f8b032d 1520
1521 // Twisted Metal 3 - fix music
1522 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1523 break;
1524
1525 case CdlSetloc:
9f8b032d 1526 StopReading();
9f8b032d 1527 for (i = 0; i < 3; i++)
914722b2 1528 set_loc[i] = btoi(cdr.Param[i]);
1529 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1530 if (i > 16)
1531 cdr.Seeked = FALSE;
1532 memcpy(cdr.SetSector, set_loc, 3);
ef79bbde 1533 cdr.SetSector[3] = 0;
9f8b032d 1534
1535 /*
1536 if ((cdr.SetSector[0] | cdr.SetSector[1] | cdr.SetSector[2]) == 0) {
1537 *(u32 *)cdr.SetSector = *(u32 *)cdr.SetSectorSeek;
1538 }*/
1539
1540 cdr.Ctrl |= 0x80;
ef79bbde 1541 cdr.Stat = NoIntr;
9f8b032d 1542 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1543 break;
1544
1545 case CdlPlay:
9f8b032d 1546 // Vib Ribbon: try same track again
1547 StopCdda();
1548
1549 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1550 if (CDR_getTN(cdr.ResultTN) != -1) {
1551 if (cdr.CurTrack > cdr.ResultTN[1])
1552 cdr.CurTrack = cdr.ResultTN[1];
1553 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1554 int tmp = cdr.ResultTD[2];
1555 cdr.ResultTD[2] = cdr.ResultTD[0];
1556 cdr.ResultTD[0] = tmp;
1557 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1558 }
ef79bbde 1559 }
9f8b032d 1560 } else if (!Config.Cdda) {
1561 CDR_play(cdr.SetSector);
1562 }
1563
1564 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1565 // - fixes ribbon timing + music CD mode
1566 //TODO?
1567 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1568
1569
1570 cdr.Play = TRUE;
1571
1572 cdr.StatP |= STATUS_SEEK;
1573 cdr.StatP &= ~STATUS_ROTATING;
1574
1575 cdr.Ctrl |= 0x80;
1576 cdr.Stat = NoIntr;
1577 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1578 break;
1579
1580 case CdlForward:
9f8b032d 1581 //if (cdr.CurTrack < 0xaa)
1582 // cdr.CurTrack++;
1583 cdr.Ctrl |= 0x80;
ef79bbde 1584 cdr.Stat = NoIntr;
9f8b032d 1585 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1586 break;
1587
1588 case CdlBackward:
9f8b032d 1589 //if (cdr.CurTrack > 1)
1590 //cdr.CurTrack--;
1591 cdr.Ctrl |= 0x80;
1592 cdr.Stat = NoIntr;
1593 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1594 break;
1595
1596 case CdlReadN:
9f8b032d 1597 cdr.Irq = 0;
1598 StopReading();
1599 cdr.Ctrl|= 0x80;
1600 cdr.Stat = NoIntr;
1601 StartReading(1, 0x800);
1602 break;
ef79bbde
P		 1603
1604 case CdlStandby:
9f8b032d 1605 StopCdda();
1606 StopReading();
1607 cdr.Ctrl |= 0x80;
1608 cdr.Stat = NoIntr;
1609 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1610 break;
1611
1612 case CdlStop:
9f8b032d 1613 // GameShark CD Player: Reset CDDA to track start
1614 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1615 cdr.SetSectorPlay[0] = stat.Time[0];
1616 cdr.SetSectorPlay[1] = stat.Time[1];
1617 cdr.SetSectorPlay[2] = stat.Time[2];
1618
1619 Find_CurTrack();
1620
1621
1622 // grab time for current track
1623 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1624
1625 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1626 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1627 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1628 }
1629
1630 StopCdda();
1631 StopReading();
1632
1633 cdr.Ctrl |= 0x80;
1634 cdr.Stat = NoIntr;
1635 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1636 break;
1637
1638 case CdlPause:
9f8b032d 1639 /*
1640 GameShark CD Player: save time for resume
1641
aa1f7284 1642 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1643 */
ef79bbde 1644
9f8b032d 1645 StopCdda();
1646 StopReading();
1647 cdr.Ctrl |= 0x80;
1648 cdr.Stat = NoIntr;
1649
12228917 1650 AddIrqQueue(cdr.Cmd, 0x800);
9f8b032d 1651 break;
1652
1653 case CdlReset:
ef79bbde 1654 case CdlInit:
9f8b032d 1655 StopCdda();
1656 StopReading();
1657 cdr.Ctrl |= 0x80;
1658 cdr.Stat = NoIntr;
1659 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1660 break;
1661
1662 case CdlMute:
1663 cdr.Muted = TRUE;
9f8b032d 1664 cdr.Ctrl |= 0x80;
ef79bbde 1665 cdr.Stat = NoIntr;
9f8b032d 1666 AddIrqQueue(cdr.Cmd, 0x800);
1667
1668 // Duke Nukem - Time to Kill
1669 // - do not directly set cd-xa volume
1670 //SPU_writeRegister( H_CDLeft, 0x0000 );
1671 //SPU_writeRegister( H_CDRight, 0x0000 );
ef79bbde
P		 1672 break;
1673
1674 case CdlDemute:
1675 cdr.Muted = FALSE;
9f8b032d 1676 cdr.Ctrl |= 0x80;
ef79bbde 1677 cdr.Stat = NoIntr;
9f8b032d 1678 AddIrqQueue(cdr.Cmd, 0x800);
1679
1680 // Duke Nukem - Time to Kill
1681 // - do not directly set cd-xa volume
1682 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1683 //SPU_writeRegister( H_CDRight, 0x7f00 );
ef79bbde
P		 1684 break;
1685
1686 case CdlSetfilter:
1687 cdr.File = cdr.Param[0];
1688 cdr.Channel = cdr.Param[1];
9f8b032d 1689 cdr.Ctrl |= 0x80;
ef79bbde 1690 cdr.Stat = NoIntr;
9f8b032d 1691 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1692 break;
1693
1694 case CdlSetmode:
1695#ifdef CDR_LOG
9f8b032d 1696 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
ef79bbde
P		 1697#endif
1698 cdr.Mode = cdr.Param[0];
9f8b032d 1699 cdr.Ctrl |= 0x80;
ef79bbde 1700 cdr.Stat = NoIntr;
9f8b032d 1701 AddIrqQueue(cdr.Cmd, 0x800);
1702
1703 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1704 // - fixes choppy movie sound
1705 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1706 StopCdda();
ef79bbde
P		 1707 break;
1708
1709 case CdlGetmode:
9f8b032d 1710 cdr.Ctrl |= 0x80;
ef79bbde 1711 cdr.Stat = NoIntr;
9f8b032d 1712 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1713 break;
1714
1715 case CdlGetlocL:
9f8b032d 1716 cdr.Ctrl |= 0x80;
1717 cdr.Stat = NoIntr;
1718
1719 // Crusaders of Might and Magic - cutscene speech
1720 AddIrqQueue(cdr.Cmd, 0x800);
1721 break;
ef79bbde
P		 1722
1723 case CdlGetlocP:
9f8b032d 1724 cdr.Ctrl |= 0x80;
1725 cdr.Stat = NoIntr;
1726
1727 // GameShark CDX / Lite Player: pretty narrow time window
1728 // - doesn't always work due to time inprecision
1729 //AddIrqQueue(cdr.Cmd, 0x28);
1730
1731 // Tomb Raider 2 - cdda
53951880 1732 //AddIrqQueue(cdr.Cmd, 0x40);
1733
1734 // rearmed: the above works in pcsxr-svn, but breaks here
1735 // (TOCA world touring cars), perhaps some other code is not merged yet
1736 AddIrqQueue(cdr.Cmd, 0x1000);
ef79bbde
P		 1737 break;
1738
1739 case CdlGetTN:
9f8b032d 1740 cdr.Ctrl |= 0x80;
1741 cdr.Stat = NoIntr;
1742 //AddIrqQueue(cdr.Cmd, 0x800);
1743
1744 // GameShark CDX CD Player: very long time
1745 AddIrqQueue(cdr.Cmd, 0x100000);
1746 break;
ef79bbde
P		 1747
1748 case CdlGetTD:
9f8b032d 1749 cdr.Ctrl |= 0x80;
ef79bbde 1750 cdr.Stat = NoIntr;
9f8b032d 1751 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1752 break;
1753
1754 case CdlSeekL:
1755// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1756 cdr.Ctrl |= 0x80;
1757 cdr.Stat = NoIntr;
1758 AddIrqQueue(cdr.Cmd, 0x800);
1759
1760 StopCdda();
1761 StopReading();
1762
1763 break;
ef79bbde
P		 1764
1765 case CdlSeekP:
1766// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1767 cdr.Ctrl |= 0x80;
ef79bbde 1768 cdr.Stat = NoIntr;
9f8b032d 1769
1770 // Tomb Raider 2 - reset cdda
1771 StopCdda();
1772 StopReading();
1773
1774 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1775 break;
1776
9f8b032d 1777 // Destruction Derby: read TOC? GetTD after this
1778 case CdlReadT:
1779 cdr.Ctrl |= 0x80;
1780 cdr.Stat = NoIntr;
1781 AddIrqQueue(cdr.Cmd, 0x800);
1782 break;
1783
ef79bbde 1784 case CdlTest:
9f8b032d 1785 cdr.Ctrl |= 0x80;
ef79bbde 1786 cdr.Stat = NoIntr;
9f8b032d 1787 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1788 break;
1789
1790 case CdlID:
9f8b032d 1791 cdr.Ctrl |= 0x80;
ef79bbde 1792 cdr.Stat = NoIntr;
9f8b032d 1793 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1794 break;
1795
1796 case CdlReadS:
9f8b032d 1797 cdr.Irq = 0;
1798 StopReading();
1799 cdr.Ctrl |= 0x80;
1800 cdr.Stat = NoIntr;
1801 StartReading(2, 0x800);
1802 break;
ef79bbde
P		 1803
1804 case CdlReadToc:
9f8b032d 1805 cdr.Ctrl |= 0x80;
ef79bbde 1806 cdr.Stat = NoIntr;
9f8b032d 1807 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1808 break;
1809
1810 default:
2daaaae3 1811 cdr.ParamP = 0;
1812 cdr.ParamC = 0;
ef79bbde 1813#ifdef CDR_LOG
9f8b032d 1814 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
ef79bbde 1815#endif
9f8b032d 1816 return;
1817 }
ef79bbde
P		 1818 if (cdr.Stat != NoIntr) {
1819 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1820 }
1821}
1822
1823unsigned char cdrRead2(void) {
1824 unsigned char ret;
1825
1826 if (cdr.Readed == 0) {
1827 ret = 0;
1828 } else {
1829 ret = *cdr.pTransfer++;
1830 }
1831
1832#ifdef CDR_LOG
1833 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1834#endif
1835 return ret;
1836}
1837
1838void cdrWrite2(unsigned char rt) {
1839#ifdef CDR_LOG
1840 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1841#endif
9f8b032d 1842
1843 // Tekken: CDXA fade-out
1844 if( (cdr.Ctrl & 3) == 2 ) {
056d6759 1845 cdr.AttenuatorLeft[0] = rt;
9f8b032d 1846 }
1847 else if( (cdr.Ctrl & 3) == 3 ) {
056d6759 1848 cdr.AttenuatorRight[1] = rt;
9f8b032d 1849 }
1850
1851
1852 if (cdr.Ctrl & 0x1) {
ef79bbde
P		 1853 switch (rt) {
1854 case 0x07:
9f8b032d 1855 cdr.ParamP = 0;
ef79bbde
P		 1856 cdr.ParamC = 0;
1857 cdr.ResultReady = 1; //0;
1858 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1859 break;
1860
1861 default:
1862 cdr.Reg2 = rt;
1863 break;
1864 }
50b13be9 1865 } else if (!(cdr.Ctrl & 0x3) && cdr.ParamP < 8) {
ef79bbde
P		 1866 cdr.Param[cdr.ParamP++] = rt;
1867 cdr.ParamC++;
1868 }
1869}
1870
1871unsigned char cdrRead3(void) {
1872 if (cdr.Stat) {
1873 if (cdr.Ctrl & 0x1)
1874 psxHu8(0x1803) = cdr.Stat | 0xE0;
1875 else
1876 psxHu8(0x1803) = 0xff;
1877 } else {
1878 psxHu8(0x1803) = 0;
1879 }
1880#ifdef CDR_LOG
1881 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1882#endif
1883 return psxHu8(0x1803);
1884}
1885
1886void cdrWrite3(unsigned char rt) {
1887#ifdef CDR_LOG
1888 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1889#endif
056d6759 1890
9f8b032d 1891 // Tekken: CDXA fade-out
1892 if( (cdr.Ctrl & 3) == 2 ) {
1893 cdr.AttenuatorLeft[1] = rt;
1894 }
1895 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
1896#ifdef CDR_LOG
1897 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1898 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1899 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1900#endif
1901 }
056d6759 1902
9f8b032d 1903
1904 // GameShark CDX CD Player: Irq timing mania
1905 if( rt == 0 &&
1906 cdr.Irq != 0 && cdr.Irq != 0xff &&
1907 cdr.ResultReady == 0 ) {
1908
1909 // GS CDX: ~0x28 cycle timing - way too precise
1910 if( cdr.Irq == CdlGetlocP ) {
1911 cdrInterrupt();
1912
1913 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1914 }
1915 }
1916
1917
50b13be9 1918 if (rt == 0x07 && (cdr.Ctrl & 3) == 1) {
ef79bbde
P		 1919 cdr.Stat = 0;
1920
1921 if (cdr.Irq == 0xff) {
1922 cdr.Irq = 0;
1923 return;
1924 }
9f8b032d 1925
aa40e1b8 1926 // XA streaming - incorrect timing because of this reschedule
1927 // - Final Fantasy Tactics
1928 // - various other games
1929
9f8b032d 1930 if (cdr.Reading && !cdr.ResultReady) {
4955e9d0 1931 int left = psxRegs.intCycle[PSXINT_CDREAD].sCycle + psxRegs.intCycle[PSXINT_CDREAD].cycle - psxRegs.cycle;
1932 int time = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime;
4feed8d3 1933 if (Config.CdrReschedule != 2)
1934 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
1935 //printf("-- resched %d -> %d\n", left, time);
1936 CDREAD_INT(time);
4955e9d0 1937 }
9f8b032d 1938 }
ef79bbde
P		 1939
1940 return;
1941 }
9f8b032d 1942
50b13be9 1943 if (rt == 0x80 && !(cdr.Ctrl & 0x3) && cdr.Readed == 0) {
ef79bbde
P		 1944 cdr.Readed = 1;
1945 cdr.pTransfer = cdr.Transfer;
1946
1947 switch (cdr.Mode & 0x30) {
9f8b032d 1948 case MODE_SIZE_2328:
ef79bbde
P		 1949 case 0x00:
1950 cdr.pTransfer += 12;
1951 break;
9f8b032d 1952
1953 case MODE_SIZE_2340:
1954 cdr.pTransfer += 0;
1955 break;
1956
ef79bbde
P		 1957 default:
1958 break;
1959 }
1960 }
1961}
1962
1963void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1964 u32 cdsize;
c7071c43 1965 int size;
ef79bbde
P		 1966 u8 *ptr;
1967
1968#ifdef CDR_LOG
1969 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1970#endif
1971
1972 switch (chcr) {
1973 case 0x11000000:
1974 case 0x11400100:
1975 if (cdr.Readed == 0) {
1976#ifdef CDR_LOG
1977 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1978#endif
1979 break;
1980 }
1981
1982 cdsize = (bcr & 0xffff) * 4;
1983
9f8b032d 1984 // Ape Escape: bcr = 0001 / 0000
1985 // - fix boot
1986 if( cdsize == 0 )
1987 {
1988 switch (cdr.Mode & 0x30) {
1989 case 0x00: cdsize = 2048; break;
1990 case MODE_SIZE_2328: cdsize = 2328; break;
1991 case MODE_SIZE_2340: cdsize = 2340; break;
1992 }
1993 }
1994
1995
ef79bbde
P		 1996 ptr = (u8 *)PSXM(madr);
1997 if (ptr == NULL) {
1998#ifdef CPU_LOG
1999 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
2000#endif
2001 break;
2002 }
9f8b032d 2003
2004 /*
2005 GS CDX: Enhancement CD crash
2006 - Setloc 0:0:0
2007 - CdlPlay
2008 - Spams DMA3 and gets buffer overrun
2009 */
c7071c43 2010 size = CD_FRAMESIZE_RAW - (cdr.pTransfer - cdr.Transfer);
2011 if (size > cdsize)
2012 size = cdsize;
2013 if (size > 0)
9f8b032d 2014 {
c7071c43 2015 memcpy(ptr, cdr.pTransfer, size);
9f8b032d 2016 }
2017
ef79bbde
P		 2018 psxCpu->Clear(madr, cdsize / 4);
2019 cdr.pTransfer += cdsize;
9f8b032d 2020
2021
2022 // burst vs normal
2023 if( chcr == 0x11400100 ) {
2024 CDRDMA_INT( (cdsize/4) / 4 );
2025 }
2026 else if( chcr == 0x11000000 ) {
2027 CDRDMA_INT( (cdsize/4) * 1 );
2028 }
2029 return;
2030
ef79bbde
P		 2031 default:
2032#ifdef CDR_LOG
2033 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2034#endif
2035 break;
2036 }
2037
2038 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2039 DMA_INTERRUPT(3);
2040}
2041
9f8b032d 2042void cdrDmaInterrupt()
2043{
ad418c19 2044 if (HW_DMA3_CHCR & SWAP32(0x01000000))
2045 {
2046 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2047 DMA_INTERRUPT(3);
2048 }
9f8b032d 2049}
2050
ef79bbde
P		 2051void cdrReset() {
2052 memset(&cdr, 0, sizeof(cdr));
2053 cdr.CurTrack = 1;
2054 cdr.File = 1;
2055 cdr.Channel = 1;
056d6759 2056
2057 // BIOS player - default values
2058 cdr.AttenuatorLeft[0] = 0x80;
2059 cdr.AttenuatorLeft[1] = 0x00;
2060 cdr.AttenuatorRight[0] = 0x80;
2061 cdr.AttenuatorRight[1] = 0x00;
ef79bbde
P		 2062}
2063
2064int cdrFreeze(gzFile f, int Mode) {
2065 uintptr_t tmp;
2066
ef79bbde 2067
9f8b032d 2068 if( Mode == 0 ) {
2069 StopCdda();
2070 }
2071
2072 gzfreeze(&cdr, sizeof(cdr));
2073
ef79bbde
P		 2074 if (Mode == 1)
2075 tmp = cdr.pTransfer - cdr.Transfer;
2076
2077 gzfreeze(&tmp, sizeof(tmp));
2078
42f3c512 2079 if (Mode == 0) {
ef79bbde
P		 2080 cdr.pTransfer = cdr.Transfer + tmp;
2081
42f3c512 2082 if (cdr.Play && !Config.Cdda)
2083 CDR_play(cdr.SetSectorPlay);
2084 }
2085
ef79bbde
P		 2086 return 0;
2087}
9f8b032d 2088
2089void LidInterrupt() {
2090 cdr.LidCheck = 0x20; // start checker
2091
2092 CDRLID_INT( cdReadTime * 3 );
2093
2094 // generate interrupt if none active - open or close
2095 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2096 cdr.Ctrl |= 0x80;
2097 cdr.Stat = NoIntr;
2098 AddIrqQueue(CdlNop, 0x800);
2099 }
2100}
ARM optimized PCSX fork