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[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;
8e1040b6 29static unsigned char *pTransfer;
ef79bbde
P		 30
31/* CD-ROM magic numbers */
32#define CdlSync 0
33#define CdlNop 1
34#define CdlSetloc 2
35#define CdlPlay 3
36#define CdlForward 4
37#define CdlBackward 5
38#define CdlReadN 6
39#define CdlStandby 7
40#define CdlStop 8
41#define CdlPause 9
42#define CdlInit 10
43#define CdlMute 11
44#define CdlDemute 12
45#define CdlSetfilter 13
46#define CdlSetmode 14
47#define CdlGetmode 15
48#define CdlGetlocL 16
49#define CdlGetlocP 17
50#define CdlReadT 18
51#define CdlGetTN 19
52#define CdlGetTD 20
53#define CdlSeekL 21
54#define CdlSeekP 22
55#define CdlSetclock 23
56#define CdlGetclock 24
57#define CdlTest 25
58#define CdlID 26
59#define CdlReadS 27
60#define CdlReset 28
61#define CdlReadToc 30
62
63#define AUTOPAUSE 249
64#define READ_ACK 250
65#define READ 251
66#define REPPLAY_ACK 252
67#define REPPLAY 253
68#define ASYNC 254
69/* don't set 255, it's reserved */
70
71char *CmdName[0x100]= {
72 "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay",
73 "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby",
74 "CdlStop", "CdlPause", "CdlInit", "CdlMute",
75 "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode",
76 "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN",
77 "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock",
78 "CdlGetclock", "CdlTest", "CdlID", "CdlReadS",
79 "CdlReset", NULL, "CDlReadToc", NULL
80};
81
82unsigned char Test04[] = { 0 };
83unsigned char Test05[] = { 0 };
84unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 };
85unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F };
86unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 };
87
9f8b032d 88// cdr.Stat:
89#define NoIntr 0
90#define DataReady 1
91#define Complete 2
92#define Acknowledge 3
93#define DataEnd 4
94#define DiskError 5
95
96/* Modes flags */
97#define MODE_SPEED (1<<7) // 0x80
98#define MODE_STRSND (1<<6) // 0x40 ADPCM on/off
99#define MODE_SIZE_2340 (1<<5) // 0x20
100#define MODE_SIZE_2328 (1<<4) // 0x10
101#define MODE_SF (1<<3) // 0x08 channel on/off
102#define MODE_REPORT (1<<2) // 0x04
103#define MODE_AUTOPAUSE (1<<1) // 0x02
104#define MODE_CDDA (1<<0) // 0x01
105
106/* Status flags */
107#define STATUS_PLAY (1<<7) // 0x80
108#define STATUS_SEEK (1<<6) // 0x40
109#define STATUS_READ (1<<5) // 0x20
110#define STATUS_SHELLOPEN (1<<4) // 0x10
111#define STATUS_UNKNOWN3 (1<<3) // 0x08
112#define STATUS_UNKNOWN2 (1<<2) // 0x04
113#define STATUS_ROTATING (1<<1) // 0x02
114#define STATUS_ERROR (1<<0) // 0x01
115
116
117
ef79bbde
P		 118// 1x = 75 sectors per second
119// PSXCLK = 1 sec in the ps
120// so (PSXCLK / 75) = cdr read time (linuzappz)
121#define cdReadTime (PSXCLK / 75)
122
123static struct CdrStat stat;
ef79bbde 124
9f8b032d 125static unsigned int msf2sec(char *msf) {
126 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
127}
128
129static void sec2msf(unsigned int s, char *msf) {
130 msf[0] = s / 75 / 60;
131 s = s - msf[0] * 75 * 60;
132 msf[1] = s / 75;
133 s = s - msf[1] * 75;
134 msf[2] = s;
135}
136
137
ef79bbde 138#define CDR_INT(eCycle) { \
d28b54b1 139 psxRegs.interrupt |= (1 << PSXINT_CDR); \
140 psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \
141 psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \
142 new_dyna_set_event(PSXINT_CDR, eCycle); \
ae602c19 143}
ef79bbde
P		 144
145#define CDREAD_INT(eCycle) { \
d28b54b1 146 psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
147 psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
148 psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
149 new_dyna_set_event(PSXINT_CDREAD, eCycle); \
ae602c19 150}
ef79bbde 151
9f8b032d 152#define CDRLID_INT(eCycle) { \
153 psxRegs.interrupt |= (1 << PSXINT_CDRLID); \
154 psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \
155 psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \
156 new_dyna_set_event(PSXINT_CDRLID, eCycle); \
157}
158
7f457614 159#define CDRPLAY_INT(eCycle) { \
160 psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \
161 psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \
162 psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \
163 new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \
164}
165
ef79bbde
P		 166#define StartReading(type, eCycle) { \
167 cdr.Reading = type; \
168 cdr.FirstSector = 1; \
169 cdr.Readed = 0xff; \
170 AddIrqQueue(READ_ACK, eCycle); \
171}
172
173#define StopReading() { \
174 if (cdr.Reading) { \
175 cdr.Reading = 0; \
d28b54b1 176 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
ef79bbde 177 } \
9f8b032d 178 cdr.StatP &= ~STATUS_READ;\
ef79bbde
P		 179}
180
181#define StopCdda() { \
182 if (cdr.Play) { \
183 if (!Config.Cdda) CDR_stop(); \
9f8b032d 184 cdr.StatP &= ~STATUS_PLAY; \
ef79bbde 185 cdr.Play = FALSE; \
9f8b032d 186 cdr.FastForward = 0; \
187 cdr.FastBackward = 0; \
188 /*SPU_registerCallback( SPUirq );*/ \
ef79bbde
P		 189 } \
190}
191
192#define SetResultSize(size) { \
193 cdr.ResultP = 0; \
194 cdr.ResultC = size; \
195 cdr.ResultReady = 1; \
196}
197
9f8b032d 198
199void cdrLidSeekInterrupt()
200{
201 // turn back on checking
202 if( cdr.LidCheck == 0x10 )
203 {
204 cdr.LidCheck = 0;
205 }
206
207 // official lid close
208 else if( cdr.LidCheck == 0x30 )
209 {
210 // GS CDX 3.3: $13
211 cdr.StatP |= STATUS_ROTATING;
212
213
214 // GS CDX 3.3 - ~50 getlocp tries
215 CDRLID_INT( cdReadTime * 3 );
216 cdr.LidCheck = 0x40;
217 }
218
219 // turn off ready
220 else if( cdr.LidCheck == 0x40 )
221 {
222 // GS CDX 3.3: $01
223 cdr.StatP &= ~STATUS_SHELLOPEN;
224 cdr.StatP &= ~STATUS_ROTATING;
225
226
227 // GS CDX 3.3 - ~50 getlocp tries
228 CDRLID_INT( cdReadTime * 3 );
229 cdr.LidCheck = 0x50;
230 }
231
232 // now seek
233 else if( cdr.LidCheck == 0x50 )
234 {
235 // GameShark Lite: Start seeking ($42)
236 cdr.StatP |= STATUS_SEEK;
237 cdr.StatP |= STATUS_ROTATING;
238 cdr.StatP &= ~STATUS_ERROR;
239
240
241 CDRLID_INT( cdReadTime * 3 );
242 cdr.LidCheck = 0x60;
243 }
244
245 // done = cd ready
246 else if( cdr.LidCheck == 0x60 )
247 {
248 // GameShark Lite: Seek detection done ($02)
249 cdr.StatP &= ~STATUS_SEEK;
250
251 cdr.LidCheck = 0;
252 }
253}
254
255
256static void Check_Shell( int Irq )
257{
258 // check case open/close
259 if (cdr.LidCheck > 0)
260 {
261#ifdef CDR_LOG
262 CDR_LOG( "LidCheck\n" );
263#endif
264
265 // $20 = check lid state
266 if( cdr.LidCheck == 0x20 )
267 {
268 u32 i;
269
270 i = stat.Status;
271 if (CDR_getStatus(&stat) != -1)
272 {
aa1f7284 273 // BIOS hangs + BIOS error messages
274 //if (stat.Type == 0xff)
275 //cdr.Stat = DiskError;
9f8b032d 276
277 // case now open
aa1f7284 278 if (stat.Status & STATUS_SHELLOPEN)
9f8b032d 279 {
280 // Vib Ribbon: pre-CD swap
281 StopCdda();
282
283
284 // GameShark Lite: Death if DiskError happens
285 //
286 // Vib Ribbon: Needs DiskError for CD swap
287
288 if (Irq != CdlNop)
289 {
290 cdr.Stat = DiskError;
291
292 cdr.StatP |= STATUS_ERROR;
293 cdr.Result[0] |= STATUS_ERROR;
294 }
295
296 // GameShark Lite: Wants -exactly- $10
297 cdr.StatP |= STATUS_SHELLOPEN;
298 cdr.StatP &= ~STATUS_ROTATING;
299
300
301 CDRLID_INT( cdReadTime * 3 );
302 cdr.LidCheck = 0x10;
303
304
305 // GS CDX 3.3 = $11
306 }
307
308 // case just closed
309 else if ( i & STATUS_SHELLOPEN )
310 {
311 cdr.StatP |= STATUS_ROTATING;
312
313 CheckCdrom();
314
315
316 if( cdr.Stat == NoIntr )
317 cdr.Stat = Acknowledge;
318
319 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
320
321
322 // begin close-seek-ready cycle
323 CDRLID_INT( cdReadTime * 3 );
324 cdr.LidCheck = 0x30;
325
326
327 // GameShark Lite: Wants -exactly- $42, then $02
328 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
329 }
330
331 // case still closed - wait for recheck
332 else
333 {
334 CDRLID_INT( cdReadTime * 3 );
335 cdr.LidCheck = 0x10;
336 }
337 }
338 }
339
340
341 // GS CDX: clear all values but #1,#2
342 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
343 {
344 SetResultSize(16);
345 memset( cdr.Result, 0, 16 );
346
347 cdr.Result[0] = cdr.StatP;
348
349
350 // GS CDX: special return value
351 if( cdr.StatP & STATUS_SHELLOPEN )
352 {
353 cdr.Result[1] = 0x80;
354 }
355
356
357 if( cdr.Stat == NoIntr )
358 cdr.Stat = Acknowledge;
359
360 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
361 }
362 }
363}
364
365
366void Find_CurTrack() {
367 cdr.CurTrack = 0;
368
369 if (CDR_getTN(cdr.ResultTN) != -1) {
370 int lcv;
371
372 for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
373 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
374 u32 sect1, sect2;
375
376#ifdef CDR_LOG___0
377 CDR_LOG( "curtrack %d %d %d | %d %d %d | %d\n",
378 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
379 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
380 cdr.CurTrack );
381#endif
382
383 // find next track boundary - only need m:s accuracy
384 sect1 = cdr.SetSectorPlay[0] * 60 * 75 + cdr.SetSectorPlay[1] * 75;
385 sect2 = cdr.ResultTD[2] * 60 * 75 + cdr.ResultTD[1] * 75;
386
387 // Twisted Metal 4 - psx cdda pregap (2-sec)
388 // - fix in-game music
389 sect2 -= 75 * 2;
390
391 if( sect1 >= sect2 ) {
392 cdr.CurTrack++;
393 continue;
394 }
395 }
396
397 break;
398 }
399 }
400}
401
402static void ReadTrack( u8 *time ) {
403 cdr.Prev[0] = itob( time[0] );
404 cdr.Prev[1] = itob( time[1] );
405 cdr.Prev[2] = itob( time[2] );
ef79bbde
P		 406
407#ifdef CDR_LOG
408 CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
409#endif
410 cdr.RErr = CDR_readTrack(cdr.Prev);
411}
412
ef79bbde
P		 413
414void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
415 cdr.Irq = irq;
9f8b032d 416 cdr.eCycle = ecycle;
417
418 // Doom: Force rescheduling
419 // - Fixes boot
420 CDR_INT(ecycle);
421}
422
423
424void Set_Track()
425{
426 if (CDR_getTN(cdr.ResultTN) != -1) {
427 int lcv;
428
429 for( lcv = 1; lcv < cdr.ResultTN[1]; lcv++ ) {
430 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
431#ifdef CDR_LOG___0
432 CDR_LOG( "settrack %d %d %d | %d %d %d | %d\n",
433 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
434 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
435 cdr.CurTrack );
436#endif
437
438 // check if time matches track start (only need min, sec accuracy)
439 // - m:s:f vs f:s:m
440 if( cdr.SetSectorPlay[0] == cdr.ResultTD[2] &&
441 cdr.SetSectorPlay[1] == cdr.ResultTD[1] ) {
442 // skip pregap frames
443 if( cdr.SetSectorPlay[2] < cdr.ResultTD[0] )
444 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
445
446 break;
447 }
448 else if( cdr.SetSectorPlay[0] < cdr.ResultTD[2] )
449 break;
450 }
451 }
452 }
453}
454
455
456static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
7f457614 457static void Create_Fake_Subq()
9f8b032d 458{
459 u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
460 int diff;
461
462 if (CDR_getTN(cdr.ResultTN) == -1) return;
463 if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
464 pregap = 150;
465 if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
466 } else {
467 // last track - cd size
468 pregap = 0;
469 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
470 }
471
472 if( cdr.Play == TRUE ) {
473 temp_cur[0] = cdr.SetSectorPlay[0];
474 temp_cur[1] = cdr.SetSectorPlay[1];
475 temp_cur[2] = cdr.SetSectorPlay[2];
476 } else {
477 temp_cur[0] = btoi( cdr.Prev[0] );
478 temp_cur[1] = btoi( cdr.Prev[1] );
479 temp_cur[2] = btoi( cdr.Prev[2] );
480 }
481
482 fake_subq_real[0] = temp_cur[0];
483 fake_subq_real[1] = temp_cur[1];
484 fake_subq_real[2] = temp_cur[2];
485
486 temp_next[0] = cdr.ResultTD[2];
487 temp_next[1] = cdr.ResultTD[1];
488 temp_next[2] = cdr.ResultTD[0];
489
490
491 // flag- next track
492 if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
493 fake_subq_change = 1;
494
495 cdr.CurTrack++;
496
497 // end cd
498 if( pregap == 0 ) StopCdda();
499 }
500
501 //////////////////////////////////////////////////
502 //////////////////////////////////////////////////
503
504 // repair
505 if( cdr.CurTrack <= cdr.ResultTN[1] ) {
506 if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
507 } else {
508 // last track - cd size
509 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
510 }
511
512 temp_start[0] = cdr.ResultTD[2];
513 temp_start[1] = cdr.ResultTD[1];
514 temp_start[2] = cdr.ResultTD[0];
515
516
517#ifdef CDR_LOG
518 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d / %d:%d:%d / %d:%d:%d\n",
519 temp_cur[0], temp_cur[1], temp_cur[2],
520 temp_start[0], temp_start[1], temp_start[2],
521 temp_next[0], temp_next[1], temp_next[2]);
522#endif
523
524
525
526 // local time - pregap / real
527 diff = msf2sec(temp_cur) - msf2sec( temp_start );
528 if( diff < 0 ) {
529 fake_subq_index = 0;
530
531 sec2msf( -diff, fake_subq_local );
ef79bbde 532 } else {
9f8b032d 533 fake_subq_index = 1;
534
535 sec2msf( diff, fake_subq_local );
ef79bbde
P		 536 }
537}
538
9f8b032d 539
7f457614 540static void cdrPlayInterrupt_Autopause()
541{
542 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
9b470ab7 543 int track_changed = 0;
7f457614 544 if (subq != NULL ) {
341eb2c9 545 // update subq
546 ReadTrack( cdr.SetSectorPlay );
547
7f457614 548#ifdef CDR_LOG
549 CDR_LOG( "CDDA SUB - %X:%X:%X\n",
550 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
551#endif
552
553 /*
554 CDDA Autopause
555
556 Silhouette Mirage ($3)
557 Tomb Raider 1 ($7)
558 */
559
a02ee86f 560 // .. + 1 is probably wrong, but deals with corrupted subq + good checksum
561 // (how does real thing handle those?)
0e2e3f49 562 if( cdr.CurTrack + 1 == btoi( subq->TrackNumber ) )
9b470ab7 563 track_changed = 1;
7f457614 564 } else {
565 Create_Fake_Subq();
566#ifdef CDR_LOG___0
567 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
568 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
569#endif
570
9b470ab7 571 track_changed = fake_subq_change;
7f457614 572 fake_subq_change = 0;
573 }
574
9b470ab7 575 if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
7f457614 576#ifdef CDR_LOG
577 CDR_LOG( "CDDA STOP\n" );
578#endif
579
580 // Magic the Gathering
581 // - looping territory cdda
582
583 // ...?
584 //cdr.ResultReady = 1;
585 //cdr.Stat = DataReady;
586 cdr.Stat = DataEnd;
587 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
588
589 StopCdda();
590 }
a02ee86f 591 else if (cdr.Mode & MODE_REPORT) {
7f457614 592 if (subq != NULL) {
593#ifdef CDR_LOG
594 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
595 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
596#endif
a02ee86f 597 // breaks when .sub doesn't have index 0 for some reason (bad rip?)
598 //cdr.CurTrack = btoi( subq->TrackNumber );
7f457614 599
9b470ab7 600 if (subq->AbsoluteAddress[2] & 0xf)
601 return;
602
603 cdr.Result[0] = cdr.StatP;
7f457614 604 // BIOS CD Player: data already BCD format
605 cdr.Result[1] = subq->TrackNumber;
606 cdr.Result[2] = subq->IndexNumber;
607
608 cdr.Result[3] = subq->AbsoluteAddress[0];
609 cdr.Result[4] = subq->AbsoluteAddress[1];
610 cdr.Result[5] = subq->AbsoluteAddress[2];
611 } else {
612#ifdef CDR_LOG___0
613 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
614 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
615#endif
616
9b470ab7 617 if (fake_subq_real[2] & 0xf)
618 return;
619
620 cdr.Result[0] = cdr.StatP;
7f457614 621 // track # / index #
622 cdr.Result[1] = itob(cdr.CurTrack);
623 cdr.Result[2] = itob(fake_subq_index);
624 // absolute
625 cdr.Result[3] = itob( fake_subq_real[0] );
626 cdr.Result[4] = itob( fake_subq_real[1] );
627 cdr.Result[5] = itob( fake_subq_real[2] );
628 }
629
630 // Rayman: Logo freeze (resultready + dataready)
631 cdr.ResultReady = 1;
632 cdr.Stat = DataReady;
633
634 SetResultSize(8);
635 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
636 }
637}
638
639void cdrPlayInterrupt()
640{
641 if( !cdr.Play ) return;
642
643#ifdef CDR_LOG
644 CDR_LOG( "CDDA - %d:%d:%d\n",
645 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
646#endif
647 CDRPLAY_INT( cdReadTime );
648
649 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
650 cdrPlayInterrupt_Autopause();
651
652 cdr.SetSectorPlay[2]++;
653 if (cdr.SetSectorPlay[2] == 75) {
654 cdr.SetSectorPlay[2] = 0;
655 cdr.SetSectorPlay[1]++;
656 if (cdr.SetSectorPlay[1] == 60) {
657 cdr.SetSectorPlay[1] = 0;
658 cdr.SetSectorPlay[0]++;
659 }
660 }
661
662 //Check_Shell(0);
663}
664
ef79bbde
P		 665void cdrInterrupt() {
666 int i;
667 unsigned char Irq = cdr.Irq;
7f457614 668 struct SubQ *subq;
ef79bbde 669
9f8b032d 670 // Reschedule IRQ
ef79bbde 671 if (cdr.Stat) {
9f8b032d 672 CDR_INT( 0x100 );
ef79bbde
P		 673 return;
674 }
675
676 cdr.Irq = 0xff;
677 cdr.Ctrl &= ~0x80;
678
679 switch (Irq) {
680 case CdlSync:
681 SetResultSize(1);
9f8b032d 682 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 683 cdr.Result[0] = cdr.StatP;
684 cdr.Stat = Acknowledge;
685 break;
686
687 case CdlNop:
688 SetResultSize(1);
689 cdr.Result[0] = cdr.StatP;
690 cdr.Stat = Acknowledge;
9f8b032d 691
692 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 693 break;
694
695 case CdlSetloc:
696 cdr.CmdProcess = 0;
697 SetResultSize(1);
9f8b032d 698 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 699 cdr.Result[0] = cdr.StatP;
700 cdr.Stat = Acknowledge;
701 break;
702
703 case CdlPlay:
9f8b032d 704 fake_subq_change = 0;
705
706 if( cdr.Seeked == FALSE ) {
707 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
708 cdr.Seeked = TRUE;
709 }
710
711 /*
712 Rayman: detect track changes
713 - fixes logo freeze
714
715 Twisted Metal 2: skip PREGAP + starting accurate SubQ
716 - plays tracks without retry play
717
718 Wild 9: skip PREGAP + starting accurate SubQ
719 - plays tracks without retry play
720 */
696c9530 721 /* unneeded with correct cdriso?
9f8b032d 722 Set_Track();
696c9530 723 */
9f8b032d 724 Find_CurTrack();
725 ReadTrack( cdr.SetSectorPlay );
726
9f8b032d 727 // GameShark CD Player: Calls 2x + Play 2x
728 if( cdr.FastBackward || cdr.FastForward ) {
729 if( cdr.FastForward ) cdr.FastForward--;
730 if( cdr.FastBackward ) cdr.FastBackward--;
731
732 if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
733 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
734 cdr.SetSectorPlay[0] = stat.Time[0];
735 cdr.SetSectorPlay[1] = stat.Time[1];
736 cdr.SetSectorPlay[2] = stat.Time[2];
737 }
738 }
739 }
740
741
742 if (!Config.Cdda) {
743 // BIOS CD Player
744 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
745
746 // GameShark CD Player: Resume play
747 if( cdr.ParamC == 0 ) {
748#ifdef CDR_LOG___0
749 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
750 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
751#endif
752
753 //CDR_play( cdr.SetSectorPlay );
754 }
755 else
756 {
757 // BIOS CD Player: Resume play
758 if( cdr.Param[0] == 0 ) {
759#ifdef CDR_LOG___0
760 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
761 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
762#endif
763
764 //CDR_play( cdr.SetSectorPlay );
765 }
766 else {
767#ifdef CDR_LOG___0
768 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
769 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
770#endif
771
772 // BIOS CD Player: Allow track replaying
773 StopCdda();
774
775
776 cdr.CurTrack = btoi( cdr.Param[0] );
777
778 if (CDR_getTN(cdr.ResultTN) != -1) {
779 // check last track
780 if (cdr.CurTrack > cdr.ResultTN[1])
781 cdr.CurTrack = cdr.ResultTN[1];
782
783 if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
784 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
785 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
786 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
787
788 // reset data
a02ee86f 789 //Set_Track();
9f8b032d 790 Find_CurTrack();
791 ReadTrack( cdr.SetSectorPlay );
792
793 //CDR_play(cdr.SetSectorPlay);
794 }
795 }
796 }
797 }
798 }
799
800
801 // Vib Ribbon: gameplay checks flag
802 cdr.StatP &= ~STATUS_SEEK;
803
804
ef79bbde
P		 805 cdr.CmdProcess = 0;
806 SetResultSize(1);
9f8b032d 807 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 808 cdr.Result[0] = cdr.StatP;
809 cdr.Stat = Acknowledge;
9f8b032d 810
811 cdr.StatP |= STATUS_PLAY;
812
813
814 // BIOS player - set flag again
815 cdr.Play = TRUE;
816
7f457614 817 CDRPLAY_INT( cdReadTime );
ef79bbde
P		 818 break;
819
9f8b032d 820 case CdlForward:
ef79bbde
P		 821 cdr.CmdProcess = 0;
822 SetResultSize(1);
9f8b032d 823 cdr.StatP |= STATUS_ROTATING;
824 cdr.Result[0] = cdr.StatP;
825 cdr.Stat = Complete;
826
827
828 // GameShark CD Player: Calls 2x + Play 2x
829 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
830 else cdr.FastForward++;
831
832 cdr.FastBackward = 0;
ef79bbde
P		 833 break;
834
9f8b032d 835 case CdlBackward:
ef79bbde
P		 836 cdr.CmdProcess = 0;
837 SetResultSize(1);
9f8b032d 838 cdr.StatP |= STATUS_ROTATING;
839 cdr.Result[0] = cdr.StatP;
840 cdr.Stat = Complete;
841
842
843 // GameShark CD Player: Calls 2x + Play 2x
844 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
845 else cdr.FastBackward++;
846
847 cdr.FastForward = 0;
ef79bbde
P		 848 break;
849
9f8b032d 850 case CdlStandby:
ef79bbde
P		 851 cdr.CmdProcess = 0;
852 SetResultSize(1);
9f8b032d 853 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 854 cdr.Result[0] = cdr.StatP;
855 cdr.Stat = Complete;
856 break;
857
858 case CdlStop:
859 cdr.CmdProcess = 0;
860 SetResultSize(1);
9f8b032d 861 cdr.StatP &= ~STATUS_ROTATING;
ef79bbde
P		 862 cdr.Result[0] = cdr.StatP;
863 cdr.Stat = Complete;
864// cdr.Stat = Acknowledge;
865
9f8b032d 866 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
ef79bbde
P		 867 break;
868
869 case CdlPause:
870 SetResultSize(1);
871 cdr.Result[0] = cdr.StatP;
9f8b032d 872 cdr.Stat = Acknowledge;
873
12228917 874 /*
875 Gundam Battle Assault 2: much slower (*)
876 - Fixes boot, gameplay
877
878 Hokuto no Ken 2: slower
879 - Fixes intro + subtitles
880
881 InuYasha - Feudal Fairy Tale: slower
882 - Fixes battles
883 */
884 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
ef79bbde
P		 885 cdr.Ctrl |= 0x80;
886 break;
887
888 case CdlPause + 0x20:
889 SetResultSize(1);
9f8b032d 890 cdr.StatP &= ~STATUS_READ;
891 cdr.StatP |= STATUS_ROTATING;
ef79bbde 892 cdr.Result[0] = cdr.StatP;
9f8b032d 893 cdr.Stat = Complete;
ef79bbde
P		 894 break;
895
9f8b032d 896 case CdlInit:
ef79bbde 897 SetResultSize(1);
9f8b032d 898 cdr.StatP = STATUS_ROTATING;
ef79bbde 899 cdr.Result[0] = cdr.StatP;
9f8b032d 900 cdr.Stat = Acknowledge;
ef79bbde 901// if (!cdr.Init) {
9f8b032d 902 AddIrqQueue(CdlInit + 0x20, 0x800);
ef79bbde
P		 903// }
904 break;
905
906 case CdlInit + 0x20:
907 SetResultSize(1);
908 cdr.Result[0] = cdr.StatP;
9f8b032d 909 cdr.Stat = Complete;
ef79bbde
P		 910 cdr.Init = 1;
911 break;
912
9f8b032d 913 case CdlMute:
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 CdlDemute:
ef79bbde 921 SetResultSize(1);
9f8b032d 922 cdr.StatP |= STATUS_ROTATING;
923 cdr.Result[0] = cdr.StatP;
924 cdr.Stat = Acknowledge;
ef79bbde
P		 925 break;
926
9f8b032d 927 case CdlSetfilter:
ef79bbde 928 SetResultSize(1);
9f8b032d 929 cdr.StatP |= STATUS_ROTATING;
930 cdr.Result[0] = cdr.StatP;
931 cdr.Stat = Acknowledge;
932 break;
ef79bbde
P		 933
934 case CdlSetmode:
935 SetResultSize(1);
9f8b032d 936 cdr.StatP |= STATUS_ROTATING;
937 cdr.Result[0] = cdr.StatP;
938 cdr.Stat = Acknowledge;
939 break;
ef79bbde 940
9f8b032d 941 case CdlGetmode:
ef79bbde 942 SetResultSize(6);
9f8b032d 943 cdr.StatP |= STATUS_ROTATING;
944 cdr.Result[0] = cdr.StatP;
945 cdr.Result[1] = cdr.Mode;
946 cdr.Result[2] = cdr.File;
947 cdr.Result[3] = cdr.Channel;
948 cdr.Result[4] = 0;
949 cdr.Result[5] = 0;
950 cdr.Stat = Acknowledge;
951 break;
ef79bbde 952
9f8b032d 953 case CdlGetlocL:
ef79bbde 954 SetResultSize(8);
9f8b032d 955 for (i = 0; i < 8; i++)
ef79bbde 956 cdr.Result[i] = cdr.Transfer[i];
9f8b032d 957 cdr.Stat = Acknowledge;
958 break;
ef79bbde
P		 959
960 case CdlGetlocP:
9f8b032d 961 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
962 SetResultSize(17);
963 memset( cdr.Result, 0, 16 );
964
ef79bbde
P		 965 subq = (struct SubQ *)CDR_getBufferSub();
966
967 if (subq != NULL) {
7851087d 968 if( cdr.Play && (cdr.Mode & MODE_CDDA) && !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
969 // update subq
970 ReadTrack( cdr.SetSectorPlay );
341eb2c9 971
ef79bbde
P		 972 cdr.Result[0] = subq->TrackNumber;
973 cdr.Result[1] = subq->IndexNumber;
974 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
975 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
976
9f8b032d 977
978 // subQ integrity check - data only (skip audio)
979 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
ef79bbde
P		 980 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
981 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
982 }
9f8b032d 983 }
ef79bbde 984 } else {
7f457614 985 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
986 Create_Fake_Subq();
ef79bbde 987
ef79bbde 988
9f8b032d 989 // track # / index #
990 cdr.Result[0] = itob(cdr.CurTrack);
991 cdr.Result[1] = itob(fake_subq_index);
ef79bbde 992
9f8b032d 993 // local
994 cdr.Result[2] = itob( fake_subq_local[0] );
995 cdr.Result[3] = itob( fake_subq_local[1] );
996 cdr.Result[4] = itob( fake_subq_local[2] );
ef79bbde 997
9f8b032d 998 // absolute
999 cdr.Result[5] = itob( fake_subq_real[0] );
1000 cdr.Result[6] = itob( fake_subq_real[1] );
1001 cdr.Result[7] = itob( fake_subq_real[2] );
ef79bbde
P		 1002 }
1003
9f8b032d 1004 // redump.org - wipe time
ae4e7dc9 1005 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
9f8b032d 1006 memset( cdr.Result+2, 0, 6 );
1007 }
9f8b032d 1008
ef79bbde
P		 1009 cdr.Stat = Acknowledge;
1010 break;
1011
9f8b032d 1012 case CdlGetTN:
1013 // 5-Star Racing: don't stop CDDA
1014 //
1015 // Vib Ribbon: CD swap
1016 StopReading();
1017
ef79bbde
P		 1018 cdr.CmdProcess = 0;
1019 SetResultSize(3);
9f8b032d 1020 cdr.StatP |= STATUS_ROTATING;
1021 cdr.Result[0] = cdr.StatP;
1022 if (CDR_getTN(cdr.ResultTN) == -1) {
ef79bbde 1023 cdr.Stat = DiskError;
9f8b032d 1024 cdr.Result[0] |= STATUS_ERROR;
1025 } else {
1026 cdr.Stat = Acknowledge;
1027 cdr.Result[1] = itob(cdr.ResultTN[0]);
1028 cdr.Result[2] = itob(cdr.ResultTN[1]);
1029 }
1030 break;
ef79bbde 1031
9f8b032d 1032 case CdlGetTD:
ef79bbde
P		 1033 cdr.CmdProcess = 0;
1034 cdr.Track = btoi(cdr.Param[0]);
1035 SetResultSize(4);
9f8b032d 1036 cdr.StatP |= STATUS_ROTATING;
ef79bbde
P		 1037 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1038 cdr.Stat = DiskError;
9f8b032d 1039 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1040 } else {
1041 cdr.Stat = Acknowledge;
1042 cdr.Result[0] = cdr.StatP;
1043 cdr.Result[1] = itob(cdr.ResultTD[2]);
1044 cdr.Result[2] = itob(cdr.ResultTD[1]);
1045 cdr.Result[3] = itob(cdr.ResultTD[0]);
1046 }
1047 break;
1048
9f8b032d 1049 case CdlSeekL:
ef79bbde 1050 SetResultSize(1);
9f8b032d 1051 cdr.StatP |= STATUS_ROTATING;
1052 cdr.Result[0] = cdr.StatP;
1053 cdr.StatP |= STATUS_SEEK;
1054 cdr.Stat = Acknowledge;
1055
1056 /*
1057 Crusaders of Might and Magic = 0.5x-4x
1058 - fix cutscene speech start
1059
1060 Eggs of Steel = 2x-?
1061 - fix new game
1062
1063 Medievil = ?-4x
1064 - fix cutscene speech
1065
1066 Rockman X5 = 0.5-4x
1067 - fix capcom logo
1068 */
1069 AddIrqQueue(CdlSeekL + 0x20, cdReadTime * 4);
ef79bbde
P		 1070 break;
1071
9f8b032d 1072 case CdlSeekL + 0x20:
ef79bbde 1073 SetResultSize(1);
9f8b032d 1074 cdr.StatP |= STATUS_ROTATING;
1075 cdr.StatP &= ~STATUS_SEEK;
1076 cdr.Result[0] = cdr.StatP;
1077 cdr.Seeked = TRUE;
1078 cdr.Stat = Complete;
1079
1080
1081 // Mega Man Legends 2: must update read cursor for getlocp
1082 ReadTrack( cdr.SetSector );
ef79bbde
P		 1083 break;
1084
9f8b032d 1085 case CdlSeekP:
ef79bbde 1086 SetResultSize(1);
9f8b032d 1087 cdr.StatP |= STATUS_ROTATING;
1088 cdr.Result[0] = cdr.StatP;
1089 cdr.StatP |= STATUS_SEEK;
1090 cdr.Stat = Acknowledge;
1091 AddIrqQueue(CdlSeekP + 0x20, cdReadTime * 1);
ef79bbde
P		 1092 break;
1093
9f8b032d 1094 case CdlSeekP + 0x20:
ef79bbde 1095 SetResultSize(1);
9f8b032d 1096 cdr.StatP |= STATUS_ROTATING;
1097 cdr.StatP &= ~STATUS_SEEK;
1098 cdr.Result[0] = cdr.StatP;
1099 cdr.Stat = Complete;
1100 cdr.Seeked = TRUE;
1101
1102 // GameShark Music Player
1103 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
1104
1105 // Tomb Raider 2: must update read cursor for getlocp
1106 Find_CurTrack();
1107 ReadTrack( cdr.SetSectorPlay );
ef79bbde
P		 1108 break;
1109
1110 case CdlTest:
9f8b032d 1111 cdr.Stat = Acknowledge;
1112 switch (cdr.Param[0]) {
1113 case 0x20: // System Controller ROM Version
ef79bbde
P		 1114 SetResultSize(4);
1115 memcpy(cdr.Result, Test20, 4);
1116 break;
1117 case 0x22:
1118 SetResultSize(8);
1119 memcpy(cdr.Result, Test22, 4);
1120 break;
1121 case 0x23: case 0x24:
1122 SetResultSize(8);
1123 memcpy(cdr.Result, Test23, 4);
1124 break;
9f8b032d 1125 }
ef79bbde
P		 1126 break;
1127
9f8b032d 1128 case CdlID:
ef79bbde 1129 SetResultSize(1);
9f8b032d 1130 cdr.StatP |= STATUS_ROTATING;
1131 cdr.Result[0] = cdr.StatP;
1132 cdr.Stat = Acknowledge;
1133 AddIrqQueue(CdlID + 0x20, 0x800);
ef79bbde
P		 1134 break;
1135
1136 case CdlID + 0x20:
1137 SetResultSize(8);
9f8b032d 1138
1139 if (CDR_getStatus(&stat) == -1) {
1140 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1141 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1142 }
1143 else {
1144 if (stat.Type == 2) {
1145 // Music CD
1146 cdr.Result[0] = 0x08;
1147 cdr.Result[1] = 0x10;
1148
1149 cdr.Result[1] |= 0x80;
1150 }
1151 else {
1152 // Data CD
1153 if (CdromId[0] == '\0') {
1154 cdr.Result[0] = 0x00;
1155 cdr.Result[1] = 0x80;
1156 }
1157 else {
1158 cdr.Result[0] = 0x08;
1159 cdr.Result[1] = 0x00;
1160 }
1161 }
1162 }
1163
ef79bbde
P		 1164 cdr.Result[2] = 0x00;
1165 cdr.Result[3] = 0x00;
1166 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1167 cdr.Stat = Complete;
1168 break;
1169
1170 case CdlReset:
1171 SetResultSize(1);
9f8b032d 1172 cdr.StatP = STATUS_ROTATING;
ef79bbde 1173 cdr.Result[0] = cdr.StatP;
9f8b032d 1174 cdr.Stat = Acknowledge;
ef79bbde
P		 1175 break;
1176
9f8b032d 1177 case CdlReadT:
1178 SetResultSize(1);
1179 cdr.StatP |= STATUS_ROTATING;
1180 cdr.Result[0] = cdr.StatP;
1181 cdr.Stat = Acknowledge;
1182 AddIrqQueue(CdlReadT + 0x20, 0x800);
1183 break;
1184
1185 case CdlReadT + 0x20:
1186 SetResultSize(1);
1187 cdr.StatP |= STATUS_ROTATING;
1188 cdr.Result[0] = cdr.StatP;
1189 cdr.Stat = Complete;
1190 break;
1191
1192 case CdlReadToc:
ef79bbde 1193 SetResultSize(1);
9f8b032d 1194 cdr.StatP |= STATUS_ROTATING;
1195 cdr.Result[0] = cdr.StatP;
1196 cdr.Stat = Acknowledge;
1197 AddIrqQueue(CdlReadToc + 0x20, 0x800);
ef79bbde
P		 1198 break;
1199
9f8b032d 1200 case CdlReadToc + 0x20:
ef79bbde 1201 SetResultSize(1);
9f8b032d 1202 cdr.StatP |= STATUS_ROTATING;
1203 cdr.Result[0] = cdr.StatP;
1204 cdr.Stat = Complete;
ef79bbde
P		 1205 break;
1206
1207 case AUTOPAUSE:
1208 cdr.OCUP = 0;
1209/* SetResultSize(1);
1210 StopCdda();
1211 StopReading();
1212 cdr.OCUP = 0;
9f8b032d 1213 cdr.StatP&=~0x20;
ef79bbde 1214 cdr.StatP|= 0x2;
9f8b032d 1215 cdr.Result[0] = cdr.StatP;
1216 cdr.Stat = DataEnd;
ef79bbde
P		 1217*/ AddIrqQueue(CdlPause, 0x800);
1218 break;
1219
1220 case READ_ACK:
1221 if (!cdr.Reading) return;
1222
9f8b032d 1223
1224 // Fighting Force 2 - update subq time immediately
1225 // - fixes new game
1226 ReadTrack( cdr.SetSector );
1227
1228
1229 // Crusaders of Might and Magic - update getlocl now
1230 // - fixes cutscene speech
1231 {
1232 u8 *buf = CDR_getBuffer();
a48ae3a7 1233 if (buf != NULL)
1234 memcpy(cdr.Transfer, buf, 8);
9f8b032d 1235 }
1236
1237
1238 /*
1239 Duke Nukem: Land of the Babes - seek then delay read for one frame
1240 - fixes cutscenes
914722b2 1241 C-12 - Final Resistance - doesn't like seek
9f8b032d 1242 */
1243
ef79bbde
P		 1244 if (!cdr.Seeked) {
1245 cdr.Seeked = TRUE;
ef79bbde 1246
9f8b032d 1247 cdr.StatP |= STATUS_SEEK;
1248 cdr.StatP &= ~STATUS_READ;
1249
1250 // Crusaders of Might and Magic - use short time
1251 // - fix cutscene speech (startup)
1252
1253 // ??? - use more accurate seek time later
1254 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1255 } else {
1256 cdr.StatP |= STATUS_READ;
1257 cdr.StatP &= ~STATUS_SEEK;
1258
1259 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1260 }
ef79bbde 1261
ef79bbde 1262 SetResultSize(1);
9f8b032d 1263 cdr.StatP |= STATUS_ROTATING;
1264 cdr.Result[0] = cdr.StatP;
1265 cdr.Stat = Acknowledge;
ef79bbde
P		 1266 break;
1267
ef79bbde
P		 1268 case 0xff:
1269 return;
1270
1271 default:
1272 cdr.Stat = Complete;
1273 break;
1274 }
1275
9f8b032d 1276 Check_Shell( Irq );
1277
2daaaae3 1278 cdr.ParamP = 0;
1279 cdr.ParamC = 0;
1280
ef79bbde
P		 1281 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1282 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1283 }
1284
1285#ifdef CDR_LOG
1286 CDR_LOG("cdrInterrupt() Log: CDR Interrupt IRQ %x\n", Irq);
1287#endif
1288}
1289
1290void cdrReadInterrupt() {
1291 u8 *buf;
1292
1293 if (!cdr.Reading)
1294 return;
1295
9f8b032d 1296 if (cdr.Irq || cdr.Stat) {
1297 CDREAD_INT(0x100);
ef79bbde
P		 1298 return;
1299 }
1300
1301#ifdef CDR_LOG
1302 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1303#endif
1304
9f8b032d 1305 cdr.OCUP = 1;
ef79bbde 1306 SetResultSize(1);
9f8b032d 1307 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1308 cdr.StatP &= ~STATUS_SEEK;
1309 cdr.Result[0] = cdr.StatP;
ef79bbde 1310
9f8b032d 1311 ReadTrack( cdr.SetSector );
ef79bbde
P		 1312
1313 buf = CDR_getBuffer();
1314 if (buf == NULL)
1315 cdr.RErr = -1;
1316
1317 if (cdr.RErr == -1) {
1318#ifdef CDR_LOG
1319 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1320#endif
1321 memset(cdr.Transfer, 0, DATA_SIZE);
1322 cdr.Stat = DiskError;
9f8b032d 1323 cdr.Result[0] |= STATUS_ERROR;
ef79bbde
P		 1324 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1325 return;
1326 }
1327
1328 memcpy(cdr.Transfer, buf, DATA_SIZE);
1329 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1330
ef79bbde
P		 1331
1332#ifdef CDR_LOG
1333 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1334#endif
1335
9f8b032d 1336 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1337 // Firemen 2: Multi-XA files - briefings, cutscenes
1338 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1339 cdr.File = cdr.Transfer[4 + 0];
1340 cdr.Channel = cdr.Transfer[4 + 1];
1341 }
1342
ef79bbde 1343 if ((cdr.Transfer[4 + 2] & 0x4) &&
9f8b032d 1344 (cdr.Transfer[4 + 1] == cdr.Channel) &&
ef79bbde
P		 1345 (cdr.Transfer[4 + 0] == cdr.File)) {
1346 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1347
1348 if (!ret) {
056d6759 1349 // only handle attenuator basic channel switch for now
1350 if (cdr.Xa.stereo) {
1351 int i;
1352 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1353 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1354 {
1355 for (i = 0; i < cdr.Xa.nsamples; i++)
1356 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1357 }
1358 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1359 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1360 {
1361 for (i = 0; i < cdr.Xa.nsamples; i++)
1362 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1363 }
1364 }
1365
ef79bbde
P		 1366 SPU_playADPCMchannel(&cdr.Xa);
1367 cdr.FirstSector = 0;
9f8b032d 1368
2f246254 1369#if 0
9f8b032d 1370 // Crash Team Racing: music, speech
2f246254 1371 // - done using cdda decoded buffer (spu irq)
1372 // - don't do here
9f8b032d 1373
1374 // signal ADPCM data ready
1375 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
2f246254 1376#endif
ef79bbde
P		 1377 }
1378 else cdr.FirstSector = -1;
1379 }
1380 }
1381
1382 cdr.SetSector[2]++;
9f8b032d 1383 if (cdr.SetSector[2] == 75) {
1384 cdr.SetSector[2] = 0;
1385 cdr.SetSector[1]++;
1386 if (cdr.SetSector[1] == 60) {
1387 cdr.SetSector[1] = 0;
1388 cdr.SetSector[0]++;
1389 }
1390 }
1391
1392 cdr.Readed = 0;
1393
1394 // G-Police: Don't autopause ADPCM even if mode set (music)
1395 if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
1396 (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
ef79bbde
P		 1397#ifdef CDR_LOG
1398 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1399#endif
9f8b032d 1400// AddIrqQueue(AUTOPAUSE, 0x2000);
1401 AddIrqQueue(CdlPause, 0x2000);
ef79bbde
P		 1402 }
1403 else {
9f8b032d 1404 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1405 }
1406
1407 /*
1408 Croc 2: $40 - only FORM1 (*)
1409 Judge Dredd: $C8 - only FORM1 (*)
1410 Sim Theme Park - no adpcm at all (zero)
1411 */
1412
1413 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1414 cdr.Stat = DataReady;
1415 } else {
1416 // Breath of Fire 3 - fix inn sleeping
1417 // Rockman X5 - no music restart problem
1418 cdr.Stat = NoIntr;
ef79bbde
P		 1419 }
1420 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
9f8b032d 1421
1422 Check_Shell(0);
ef79bbde
P		 1423}
1424
1425/*
1426cdrRead0:
1427 bit 0 - 0 REG1 command send / 1 REG1 data read
1428 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1429 bit 2 - unknown
1430 bit 3 - unknown
1431 bit 4 - unknown
1432 bit 5 - 1 result ready
1433 bit 6 - 1 dma ready
1434 bit 7 - 1 command being processed
1435*/
1436
1437unsigned char cdrRead0(void) {
1438 if (cdr.ResultReady)
1439 cdr.Ctrl |= 0x20;
1440 else
1441 cdr.Ctrl &= ~0x20;
1442
1443 if (cdr.OCUP)
1444 cdr.Ctrl |= 0x40;
1445// else
1446// cdr.Ctrl &= ~0x40;
1447
1448 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1449 cdr.Ctrl |= 0x18;
1450
1451#ifdef CDR_LOG
1452 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1453#endif
1454
1455 return psxHu8(0x1800) = cdr.Ctrl;
1456}
1457
1458/*
1459cdrWrite0:
1460 0 - to send a command / 1 - to get the result
1461*/
1462
1463void cdrWrite0(unsigned char rt) {
1464#ifdef CDR_LOG
1465 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1466#endif
50b13be9 1467 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
ef79bbde
P		 1468}
1469
1470unsigned char cdrRead1(void) {
1471 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
9f8b032d 1472 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1473 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1474 cdr.ResultP++;
ef79bbde
P		 1475 if (cdr.ResultP == cdr.ResultC)
1476 cdr.ResultReady = 0;
1477 } else {
1478 psxHu8(0x1801) = 0;
1479 }
1480#ifdef CDR_LOG
1481 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1482#endif
1483 return psxHu8(0x1801);
1484}
1485
1486void cdrWrite1(unsigned char rt) {
914722b2 1487 char set_loc[3];
ef79bbde
P		 1488 int i;
1489
1490#ifdef CDR_LOG
1491 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1492#endif
9f8b032d 1493
1494
1495 // Tekken: CDXA fade-out
1496 if( (cdr.Ctrl & 3) == 3 ) {
056d6759 1497 cdr.AttenuatorRight[0] = rt;
9f8b032d 1498 }
1499
1500
ef79bbde 1501// psxHu8(0x1801) = rt;
9f8b032d 1502 cdr.Cmd = rt;
ef79bbde
P		 1503 cdr.OCUP = 0;
1504
1505#ifdef CDRCMD_DEBUG
1506 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1507 if (cdr.ParamC) {
1508 SysPrintf(" Param[%d] = {", cdr.ParamC);
1509 for (i = 0; i < cdr.ParamC; i++)
1510 SysPrintf(" %x,", cdr.Param[i]);
1511 SysPrintf("}\n");
1512 } else {
1513 SysPrintf("\n");
1514 }
1515#endif
1516
50b13be9 1517 if (cdr.Ctrl & 0x3) return;
ef79bbde 1518
2daaaae3 1519 cdr.ResultReady = 0;
1520
9f8b032d 1521 switch (cdr.Cmd) {
ef79bbde 1522 case CdlSync:
9f8b032d 1523 cdr.Ctrl |= 0x80;
ef79bbde 1524 cdr.Stat = NoIntr;
9f8b032d 1525 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1526 break;
1527
1528 case CdlNop:
9f8b032d 1529 cdr.Ctrl |= 0x80;
ef79bbde 1530 cdr.Stat = NoIntr;
9f8b032d 1531
1532 // Twisted Metal 3 - fix music
1533 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1534 break;
1535
1536 case CdlSetloc:
9f8b032d 1537 StopReading();
9f8b032d 1538 for (i = 0; i < 3; i++)
914722b2 1539 set_loc[i] = btoi(cdr.Param[i]);
1540 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1541 if (i > 16)
1542 cdr.Seeked = FALSE;
1543 memcpy(cdr.SetSector, set_loc, 3);
ef79bbde 1544 cdr.SetSector[3] = 0;
9f8b032d 1545
1546 /*
1547 if ((cdr.SetSector[0] | cdr.SetSector[1] | cdr.SetSector[2]) == 0) {
1548 *(u32 *)cdr.SetSector = *(u32 *)cdr.SetSectorSeek;
1549 }*/
1550
1551 cdr.Ctrl |= 0x80;
ef79bbde 1552 cdr.Stat = NoIntr;
9f8b032d 1553 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1554 break;
1555
1556 case CdlPlay:
9f8b032d 1557 // Vib Ribbon: try same track again
1558 StopCdda();
1559
1560 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1561 if (CDR_getTN(cdr.ResultTN) != -1) {
1562 if (cdr.CurTrack > cdr.ResultTN[1])
1563 cdr.CurTrack = cdr.ResultTN[1];
1564 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1565 int tmp = cdr.ResultTD[2];
1566 cdr.ResultTD[2] = cdr.ResultTD[0];
1567 cdr.ResultTD[0] = tmp;
1568 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1569 }
ef79bbde 1570 }
9f8b032d 1571 } else if (!Config.Cdda) {
1572 CDR_play(cdr.SetSector);
1573 }
1574
1575 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1576 // - fixes ribbon timing + music CD mode
1577 //TODO?
1578 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1579
1580
1581 cdr.Play = TRUE;
1582
1583 cdr.StatP |= STATUS_SEEK;
1584 cdr.StatP &= ~STATUS_ROTATING;
1585
1586 cdr.Ctrl |= 0x80;
1587 cdr.Stat = NoIntr;
1588 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1589 break;
1590
1591 case CdlForward:
9f8b032d 1592 //if (cdr.CurTrack < 0xaa)
1593 // cdr.CurTrack++;
1594 cdr.Ctrl |= 0x80;
ef79bbde 1595 cdr.Stat = NoIntr;
9f8b032d 1596 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1597 break;
1598
1599 case CdlBackward:
9f8b032d 1600 //if (cdr.CurTrack > 1)
1601 //cdr.CurTrack--;
1602 cdr.Ctrl |= 0x80;
1603 cdr.Stat = NoIntr;
1604 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1605 break;
1606
1607 case CdlReadN:
9f8b032d 1608 cdr.Irq = 0;
1609 StopReading();
1610 cdr.Ctrl|= 0x80;
1611 cdr.Stat = NoIntr;
1612 StartReading(1, 0x800);
1613 break;
ef79bbde
P		 1614
1615 case CdlStandby:
9f8b032d 1616 StopCdda();
1617 StopReading();
1618 cdr.Ctrl |= 0x80;
1619 cdr.Stat = NoIntr;
1620 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1621 break;
1622
1623 case CdlStop:
9f8b032d 1624 // GameShark CD Player: Reset CDDA to track start
1625 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1626 cdr.SetSectorPlay[0] = stat.Time[0];
1627 cdr.SetSectorPlay[1] = stat.Time[1];
1628 cdr.SetSectorPlay[2] = stat.Time[2];
1629
1630 Find_CurTrack();
1631
1632
1633 // grab time for current track
1634 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1635
1636 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1637 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1638 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1639 }
1640
1641 StopCdda();
1642 StopReading();
1643
1644 cdr.Ctrl |= 0x80;
1645 cdr.Stat = NoIntr;
1646 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1647 break;
1648
1649 case CdlPause:
9f8b032d 1650 /*
1651 GameShark CD Player: save time for resume
1652
aa1f7284 1653 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1654 */
ef79bbde 1655
9f8b032d 1656 StopCdda();
1657 StopReading();
1658 cdr.Ctrl |= 0x80;
1659 cdr.Stat = NoIntr;
1660
12228917 1661 AddIrqQueue(cdr.Cmd, 0x800);
9f8b032d 1662 break;
1663
1664 case CdlReset:
ef79bbde 1665 case CdlInit:
9f8b032d 1666 StopCdda();
1667 StopReading();
1668 cdr.Ctrl |= 0x80;
1669 cdr.Stat = NoIntr;
1670 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1671 break;
1672
1673 case CdlMute:
1674 cdr.Muted = TRUE;
9f8b032d 1675 cdr.Ctrl |= 0x80;
ef79bbde 1676 cdr.Stat = NoIntr;
9f8b032d 1677 AddIrqQueue(cdr.Cmd, 0x800);
1678
1679 // Duke Nukem - Time to Kill
1680 // - do not directly set cd-xa volume
1681 //SPU_writeRegister( H_CDLeft, 0x0000 );
1682 //SPU_writeRegister( H_CDRight, 0x0000 );
ef79bbde
P		 1683 break;
1684
1685 case CdlDemute:
1686 cdr.Muted = FALSE;
9f8b032d 1687 cdr.Ctrl |= 0x80;
ef79bbde 1688 cdr.Stat = NoIntr;
9f8b032d 1689 AddIrqQueue(cdr.Cmd, 0x800);
1690
1691 // Duke Nukem - Time to Kill
1692 // - do not directly set cd-xa volume
1693 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1694 //SPU_writeRegister( H_CDRight, 0x7f00 );
ef79bbde
P		 1695 break;
1696
1697 case CdlSetfilter:
1698 cdr.File = cdr.Param[0];
1699 cdr.Channel = cdr.Param[1];
9f8b032d 1700 cdr.Ctrl |= 0x80;
ef79bbde 1701 cdr.Stat = NoIntr;
9f8b032d 1702 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1703 break;
1704
1705 case CdlSetmode:
1706#ifdef CDR_LOG
9f8b032d 1707 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
ef79bbde
P		 1708#endif
1709 cdr.Mode = cdr.Param[0];
9f8b032d 1710 cdr.Ctrl |= 0x80;
ef79bbde 1711 cdr.Stat = NoIntr;
9f8b032d 1712 AddIrqQueue(cdr.Cmd, 0x800);
1713
1714 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1715 // - fixes choppy movie sound
1716 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1717 StopCdda();
ef79bbde
P		 1718 break;
1719
1720 case CdlGetmode:
9f8b032d 1721 cdr.Ctrl |= 0x80;
ef79bbde 1722 cdr.Stat = NoIntr;
9f8b032d 1723 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1724 break;
1725
1726 case CdlGetlocL:
9f8b032d 1727 cdr.Ctrl |= 0x80;
1728 cdr.Stat = NoIntr;
1729
1730 // Crusaders of Might and Magic - cutscene speech
1731 AddIrqQueue(cdr.Cmd, 0x800);
1732 break;
ef79bbde
P		 1733
1734 case CdlGetlocP:
9f8b032d 1735 cdr.Ctrl |= 0x80;
1736 cdr.Stat = NoIntr;
1737
1738 // GameShark CDX / Lite Player: pretty narrow time window
1739 // - doesn't always work due to time inprecision
1740 //AddIrqQueue(cdr.Cmd, 0x28);
1741
1742 // Tomb Raider 2 - cdda
53951880 1743 //AddIrqQueue(cdr.Cmd, 0x40);
1744
1745 // rearmed: the above works in pcsxr-svn, but breaks here
1746 // (TOCA world touring cars), perhaps some other code is not merged yet
1747 AddIrqQueue(cdr.Cmd, 0x1000);
ef79bbde
P		 1748 break;
1749
1750 case CdlGetTN:
9f8b032d 1751 cdr.Ctrl |= 0x80;
1752 cdr.Stat = NoIntr;
1753 //AddIrqQueue(cdr.Cmd, 0x800);
1754
1755 // GameShark CDX CD Player: very long time
1756 AddIrqQueue(cdr.Cmd, 0x100000);
1757 break;
ef79bbde
P		 1758
1759 case CdlGetTD:
9f8b032d 1760 cdr.Ctrl |= 0x80;
ef79bbde 1761 cdr.Stat = NoIntr;
9f8b032d 1762 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1763 break;
1764
1765 case CdlSeekL:
1766// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1767 cdr.Ctrl |= 0x80;
1768 cdr.Stat = NoIntr;
1769 AddIrqQueue(cdr.Cmd, 0x800);
1770
1771 StopCdda();
1772 StopReading();
1773
1774 break;
ef79bbde
P		 1775
1776 case CdlSeekP:
1777// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
9f8b032d 1778 cdr.Ctrl |= 0x80;
ef79bbde 1779 cdr.Stat = NoIntr;
9f8b032d 1780
1781 // Tomb Raider 2 - reset cdda
1782 StopCdda();
1783 StopReading();
1784
1785 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1786 break;
1787
9f8b032d 1788 // Destruction Derby: read TOC? GetTD after this
1789 case CdlReadT:
1790 cdr.Ctrl |= 0x80;
1791 cdr.Stat = NoIntr;
1792 AddIrqQueue(cdr.Cmd, 0x800);
1793 break;
1794
ef79bbde 1795 case CdlTest:
9f8b032d 1796 cdr.Ctrl |= 0x80;
ef79bbde 1797 cdr.Stat = NoIntr;
9f8b032d 1798 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1799 break;
1800
1801 case CdlID:
9f8b032d 1802 cdr.Ctrl |= 0x80;
ef79bbde 1803 cdr.Stat = NoIntr;
9f8b032d 1804 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1805 break;
1806
1807 case CdlReadS:
9f8b032d 1808 cdr.Irq = 0;
1809 StopReading();
1810 cdr.Ctrl |= 0x80;
1811 cdr.Stat = NoIntr;
1812 StartReading(2, 0x800);
1813 break;
ef79bbde
P		 1814
1815 case CdlReadToc:
9f8b032d 1816 cdr.Ctrl |= 0x80;
ef79bbde 1817 cdr.Stat = NoIntr;
9f8b032d 1818 AddIrqQueue(cdr.Cmd, 0x800);
ef79bbde
P		 1819 break;
1820
1821 default:
2daaaae3 1822 cdr.ParamP = 0;
1823 cdr.ParamC = 0;
ef79bbde 1824#ifdef CDR_LOG
9f8b032d 1825 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
ef79bbde 1826#endif
9f8b032d 1827 return;
1828 }
ef79bbde
P		 1829 if (cdr.Stat != NoIntr) {
1830 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1831 }
1832}
1833
1834unsigned char cdrRead2(void) {
1835 unsigned char ret;
1836
1837 if (cdr.Readed == 0) {
1838 ret = 0;
1839 } else {
8e1040b6 1840 ret = *pTransfer++;
ef79bbde
P		 1841 }
1842
1843#ifdef CDR_LOG
1844 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1845#endif
1846 return ret;
1847}
1848
1849void cdrWrite2(unsigned char rt) {
1850#ifdef CDR_LOG
1851 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1852#endif
9f8b032d 1853
1854 // Tekken: CDXA fade-out
1855 if( (cdr.Ctrl & 3) == 2 ) {
056d6759 1856 cdr.AttenuatorLeft[0] = rt;
9f8b032d 1857 }
1858 else if( (cdr.Ctrl & 3) == 3 ) {
056d6759 1859 cdr.AttenuatorRight[1] = rt;
9f8b032d 1860 }
1861
1862
1863 if (cdr.Ctrl & 0x1) {
ef79bbde
P		 1864 switch (rt) {
1865 case 0x07:
9f8b032d 1866 cdr.ParamP = 0;
ef79bbde
P		 1867 cdr.ParamC = 0;
1868 cdr.ResultReady = 1; //0;
1869 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1870 break;
1871
1872 default:
1873 cdr.Reg2 = rt;
1874 break;
1875 }
50b13be9 1876 } else if (!(cdr.Ctrl & 0x3) && cdr.ParamP < 8) {
ef79bbde
P		 1877 cdr.Param[cdr.ParamP++] = rt;
1878 cdr.ParamC++;
1879 }
1880}
1881
1882unsigned char cdrRead3(void) {
1883 if (cdr.Stat) {
1884 if (cdr.Ctrl & 0x1)
1885 psxHu8(0x1803) = cdr.Stat | 0xE0;
1886 else
1887 psxHu8(0x1803) = 0xff;
1888 } else {
1889 psxHu8(0x1803) = 0;
1890 }
1891#ifdef CDR_LOG
1892 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1893#endif
1894 return psxHu8(0x1803);
1895}
1896
1897void cdrWrite3(unsigned char rt) {
1898#ifdef CDR_LOG
1899 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1900#endif
056d6759 1901
9f8b032d 1902 // Tekken: CDXA fade-out
1903 if( (cdr.Ctrl & 3) == 2 ) {
1904 cdr.AttenuatorLeft[1] = rt;
1905 }
1906 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
1907#ifdef CDR_LOG
1908 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1909 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1910 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1911#endif
1912 }
056d6759 1913
9f8b032d 1914
1915 // GameShark CDX CD Player: Irq timing mania
1916 if( rt == 0 &&
1917 cdr.Irq != 0 && cdr.Irq != 0xff &&
1918 cdr.ResultReady == 0 ) {
1919
1920 // GS CDX: ~0x28 cycle timing - way too precise
1921 if( cdr.Irq == CdlGetlocP ) {
1922 cdrInterrupt();
1923
1924 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1925 }
1926 }
1927
1928
50b13be9 1929 if (rt == 0x07 && (cdr.Ctrl & 3) == 1) {
ef79bbde
P		 1930 cdr.Stat = 0;
1931
1932 if (cdr.Irq == 0xff) {
1933 cdr.Irq = 0;
1934 return;
1935 }
9f8b032d 1936
aa40e1b8 1937 // XA streaming - incorrect timing because of this reschedule
1938 // - Final Fantasy Tactics
1939 // - various other games
1940
9f8b032d 1941 if (cdr.Reading && !cdr.ResultReady) {
4955e9d0 1942 int left = psxRegs.intCycle[PSXINT_CDREAD].sCycle + psxRegs.intCycle[PSXINT_CDREAD].cycle - psxRegs.cycle;
1943 int time = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime;
4feed8d3 1944 if (Config.CdrReschedule != 2)
1945 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
1946 //printf("-- resched %d -> %d\n", left, time);
1947 CDREAD_INT(time);
4955e9d0 1948 }
9f8b032d 1949 }
ef79bbde
P		 1950
1951 return;
1952 }
9f8b032d 1953
50b13be9 1954 if (rt == 0x80 && !(cdr.Ctrl & 0x3) && cdr.Readed == 0) {
ef79bbde 1955 cdr.Readed = 1;
8e1040b6 1956 pTransfer = cdr.Transfer;
ef79bbde
P		 1957
1958 switch (cdr.Mode & 0x30) {
9f8b032d 1959 case MODE_SIZE_2328:
ef79bbde 1960 case 0x00:
8e1040b6 1961 pTransfer += 12;
ef79bbde 1962 break;
9f8b032d 1963
1964 case MODE_SIZE_2340:
8e1040b6 1965 pTransfer += 0;
9f8b032d 1966 break;
1967
ef79bbde
P		 1968 default:
1969 break;
1970 }
1971 }
1972}
1973
1974void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1975 u32 cdsize;
c7071c43 1976 int size;
ef79bbde
P		 1977 u8 *ptr;
1978
1979#ifdef CDR_LOG
1980 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1981#endif
1982
1983 switch (chcr) {
1984 case 0x11000000:
1985 case 0x11400100:
1986 if (cdr.Readed == 0) {
1987#ifdef CDR_LOG
1988 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1989#endif
1990 break;
1991 }
1992
1993 cdsize = (bcr & 0xffff) * 4;
1994
9f8b032d 1995 // Ape Escape: bcr = 0001 / 0000
1996 // - fix boot
1997 if( cdsize == 0 )
1998 {
1999 switch (cdr.Mode & 0x30) {
2000 case 0x00: cdsize = 2048; break;
2001 case MODE_SIZE_2328: cdsize = 2328; break;
2002 case MODE_SIZE_2340: cdsize = 2340; break;
2003 }
2004 }
2005
2006
ef79bbde
P		 2007 ptr = (u8 *)PSXM(madr);
2008 if (ptr == NULL) {
2009#ifdef CPU_LOG
2010 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
2011#endif
2012 break;
2013 }
9f8b032d 2014
2015 /*
2016 GS CDX: Enhancement CD crash
2017 - Setloc 0:0:0
2018 - CdlPlay
2019 - Spams DMA3 and gets buffer overrun
2020 */
8e1040b6 2021 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
c7071c43 2022 if (size > cdsize)
2023 size = cdsize;
2024 if (size > 0)
9f8b032d 2025 {
8e1040b6 2026 memcpy(ptr, pTransfer, size);
9f8b032d 2027 }
2028
ef79bbde 2029 psxCpu->Clear(madr, cdsize / 4);
8e1040b6 2030 pTransfer += cdsize;
9f8b032d 2031
2032
2033 // burst vs normal
2034 if( chcr == 0x11400100 ) {
2035 CDRDMA_INT( (cdsize/4) / 4 );
2036 }
2037 else if( chcr == 0x11000000 ) {
2038 CDRDMA_INT( (cdsize/4) * 1 );
2039 }
2040 return;
2041
ef79bbde
P		 2042 default:
2043#ifdef CDR_LOG
2044 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2045#endif
2046 break;
2047 }
2048
2049 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2050 DMA_INTERRUPT(3);
2051}
2052
9f8b032d 2053void cdrDmaInterrupt()
2054{
ad418c19 2055 if (HW_DMA3_CHCR & SWAP32(0x01000000))
2056 {
2057 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2058 DMA_INTERRUPT(3);
2059 }
9f8b032d 2060}
2061
ef79bbde
P		 2062void cdrReset() {
2063 memset(&cdr, 0, sizeof(cdr));
2064 cdr.CurTrack = 1;
2065 cdr.File = 1;
2066 cdr.Channel = 1;
8e1040b6 2067 pTransfer = cdr.Transfer;
056d6759 2068
2069 // BIOS player - default values
2070 cdr.AttenuatorLeft[0] = 0x80;
2071 cdr.AttenuatorLeft[1] = 0x00;
2072 cdr.AttenuatorRight[0] = 0x80;
2073 cdr.AttenuatorRight[1] = 0x00;
ef79bbde
P		 2074}
2075
2076int cdrFreeze(gzFile f, int Mode) {
8e1040b6 2077 u32 tmp;
ef79bbde 2078
9f8b032d 2079 if( Mode == 0 ) {
2080 StopCdda();
2081 }
2082
2083 gzfreeze(&cdr, sizeof(cdr));
2084
ef79bbde 2085 if (Mode == 1)
8e1040b6 2086 tmp = pTransfer - cdr.Transfer;
ef79bbde
P		 2087
2088 gzfreeze(&tmp, sizeof(tmp));
2089
42f3c512 2090 if (Mode == 0) {
8e1040b6 2091 pTransfer = cdr.Transfer + tmp;
ef79bbde 2092
42f3c512 2093 if (cdr.Play && !Config.Cdda)
2094 CDR_play(cdr.SetSectorPlay);
2095 }
2096
ef79bbde
P		 2097 return 0;
2098}
9f8b032d 2099
2100void LidInterrupt() {
2101 cdr.LidCheck = 0x20; // start checker
2102
2103 CDRLID_INT( cdReadTime * 3 );
2104
2105 // generate interrupt if none active - open or close
2106 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2107 cdr.Ctrl |= 0x80;
2108 cdr.Stat = NoIntr;
2109 AddIrqQueue(CdlNop, 0x800);
2110 }
2111}
ARM optimized PCSX fork