1 /***************************************************************************
2 * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
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. *
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. *
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 ***************************************************************************/
21 * Handles all CD-ROM registers and functions.
29 static unsigned char *pTransfer;
31 /* CD-ROM magic numbers */
45 #define CdlSetfilter 13
55 #define CdlSetclock 23
56 #define CdlGetclock 24
66 #define REPPLAY_ACK 252
69 /* don't set 255, it's reserved */
71 char *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
82 unsigned char Test04[] = { 0 };
83 unsigned char Test05[] = { 0 };
84 unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 };
85 unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F };
86 unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 };
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
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
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)
123 static struct CdrStat stat;
125 static unsigned int msf2sec(u8 *msf) {
126 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
129 static void sec2msf(unsigned int s, u8 *msf) {
130 msf[0] = s / 75 / 60;
131 s = s - msf[0] * 75 * 60;
138 #define CDR_INT(eCycle) { \
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); \
145 #define CDREAD_INT(eCycle) { \
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); \
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); \
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); \
166 #define StartReading(type, eCycle) { \
167 cdr.Reading = type; \
168 cdr.FirstSector = 1; \
170 AddIrqQueue(READ_ACK, eCycle); \
173 #define StopReading() { \
176 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
178 cdr.StatP &= ~STATUS_READ;\
181 #define StopCdda() { \
183 if (!Config.Cdda) CDR_stop(); \
184 cdr.StatP &= ~STATUS_PLAY; \
186 cdr.FastForward = 0; \
187 cdr.FastBackward = 0; \
188 /*SPU_registerCallback( SPUirq );*/ \
192 #define SetResultSize(size) { \
194 cdr.ResultC = size; \
195 cdr.ResultReady = 1; \
199 void cdrLidSeekInterrupt()
201 // turn back on checking
202 if( cdr.LidCheck == 0x10 )
207 // official lid close
208 else if( cdr.LidCheck == 0x30 )
211 cdr.StatP |= STATUS_ROTATING;
214 // GS CDX 3.3 - ~50 getlocp tries
215 CDRLID_INT( cdReadTime * 3 );
220 else if( cdr.LidCheck == 0x40 )
223 cdr.StatP &= ~STATUS_SHELLOPEN;
224 cdr.StatP &= ~STATUS_ROTATING;
227 // GS CDX 3.3 - ~50 getlocp tries
228 CDRLID_INT( cdReadTime * 3 );
233 else if( cdr.LidCheck == 0x50 )
235 // GameShark Lite: Start seeking ($42)
236 cdr.StatP |= STATUS_SEEK;
237 cdr.StatP |= STATUS_ROTATING;
238 cdr.StatP &= ~STATUS_ERROR;
241 CDRLID_INT( cdReadTime * 3 );
246 else if( cdr.LidCheck == 0x60 )
248 // GameShark Lite: Seek detection done ($02)
249 cdr.StatP &= ~STATUS_SEEK;
256 static void Check_Shell( int Irq )
258 // check case open/close
259 if (cdr.LidCheck > 0)
262 CDR_LOG( "LidCheck\n" );
265 // $20 = check lid state
266 if( cdr.LidCheck == 0x20 )
271 if (CDR_getStatus(&stat) != -1)
273 // BIOS hangs + BIOS error messages
274 //if (stat.Type == 0xff)
275 //cdr.Stat = DiskError;
278 if (stat.Status & STATUS_SHELLOPEN)
280 // Vib Ribbon: pre-CD swap
284 // GameShark Lite: Death if DiskError happens
286 // Vib Ribbon: Needs DiskError for CD swap
290 cdr.Stat = DiskError;
292 cdr.StatP |= STATUS_ERROR;
293 cdr.Result[0] |= STATUS_ERROR;
296 // GameShark Lite: Wants -exactly- $10
297 cdr.StatP |= STATUS_SHELLOPEN;
298 cdr.StatP &= ~STATUS_ROTATING;
301 CDRLID_INT( cdReadTime * 3 );
309 else if ( i & STATUS_SHELLOPEN )
311 cdr.StatP |= STATUS_ROTATING;
316 if( cdr.Stat == NoIntr )
317 cdr.Stat = Acknowledge;
319 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
322 // begin close-seek-ready cycle
323 CDRLID_INT( cdReadTime * 3 );
327 // GameShark Lite: Wants -exactly- $42, then $02
328 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
331 // case still closed - wait for recheck
334 CDRLID_INT( cdReadTime * 3 );
341 // GS CDX: clear all values but #1,#2
342 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
345 memset( cdr.Result, 0, 16 );
347 cdr.Result[0] = cdr.StatP;
350 // GS CDX: special return value
351 if( cdr.StatP & STATUS_SHELLOPEN )
353 cdr.Result[1] = 0x80;
357 if( cdr.Stat == NoIntr )
358 cdr.Stat = Acknowledge;
360 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
366 void Find_CurTrack() {
369 if (CDR_getTN(cdr.ResultTN) != -1) {
372 for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
373 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
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],
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;
387 // Twisted Metal 4 - psx cdda pregap (2-sec)
388 // - fix in-game music
391 if( sect1 >= sect2 ) {
402 static 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] );
408 CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
410 cdr.RErr = CDR_readTrack(cdr.Prev);
414 void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
418 // Doom: Force rescheduling
426 if (CDR_getTN(cdr.ResultTN) != -1) {
429 for( lcv = 1; lcv < cdr.ResultTN[1]; lcv++ ) {
430 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
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],
438 // check if time matches track start (only need min, sec accuracy)
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];
448 else if( cdr.SetSectorPlay[0] < cdr.ResultTD[2] )
456 static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
457 static void Create_Fake_Subq()
459 u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
462 if (CDR_getTN(cdr.ResultTN) == -1) return;
463 if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
465 if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
467 // last track - cd size
469 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
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];
477 temp_cur[0] = btoi( cdr.Prev[0] );
478 temp_cur[1] = btoi( cdr.Prev[1] );
479 temp_cur[2] = btoi( cdr.Prev[2] );
482 fake_subq_real[0] = temp_cur[0];
483 fake_subq_real[1] = temp_cur[1];
484 fake_subq_real[2] = temp_cur[2];
486 temp_next[0] = cdr.ResultTD[2];
487 temp_next[1] = cdr.ResultTD[1];
488 temp_next[2] = cdr.ResultTD[0];
492 if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
493 fake_subq_change = 1;
498 if( pregap == 0 ) StopCdda();
501 //////////////////////////////////////////////////
502 //////////////////////////////////////////////////
505 if( cdr.CurTrack <= cdr.ResultTN[1] ) {
506 if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
508 // last track - cd size
509 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
512 temp_start[0] = cdr.ResultTD[2];
513 temp_start[1] = cdr.ResultTD[1];
514 temp_start[2] = cdr.ResultTD[0];
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]);
526 // local time - pregap / real
527 diff = msf2sec(temp_cur) - msf2sec( temp_start );
531 sec2msf( -diff, fake_subq_local );
535 sec2msf( diff, fake_subq_local );
540 static void cdrPlayInterrupt_Autopause()
542 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
543 int track_changed = 0;
546 ReadTrack( cdr.SetSectorPlay );
549 CDR_LOG( "CDDA SUB - %X:%X:%X\n",
550 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
556 Silhouette Mirage ($3)
560 // .. + 1 is probably wrong, but deals with corrupted subq + good checksum
561 // (how does real thing handle those?)
562 if( cdr.CurTrack + 1 == btoi( subq->TrackNumber ) )
567 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
568 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
571 track_changed = fake_subq_change;
572 fake_subq_change = 0;
575 if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
577 CDR_LOG( "CDDA STOP\n" );
580 // Magic the Gathering
581 // - looping territory cdda
584 //cdr.ResultReady = 1;
585 //cdr.Stat = DataReady;
587 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
591 else if (cdr.Mode & MODE_REPORT) {
594 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
595 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
597 // breaks when .sub doesn't have index 0 for some reason (bad rip?)
598 //cdr.CurTrack = btoi( subq->TrackNumber );
600 if (subq->AbsoluteAddress[2] & 0xf)
603 cdr.Result[0] = cdr.StatP;
604 // BIOS CD Player: data already BCD format
605 cdr.Result[1] = subq->TrackNumber;
606 cdr.Result[2] = subq->IndexNumber;
608 cdr.Result[3] = subq->AbsoluteAddress[0];
609 cdr.Result[4] = subq->AbsoluteAddress[1];
610 cdr.Result[5] = subq->AbsoluteAddress[2];
613 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
614 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
617 if (fake_subq_real[2] & 0xf)
620 cdr.Result[0] = cdr.StatP;
622 cdr.Result[1] = itob(cdr.CurTrack);
623 cdr.Result[2] = itob(fake_subq_index);
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] );
630 // Rayman: Logo freeze (resultready + dataready)
632 cdr.Stat = DataReady;
635 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
639 void cdrPlayInterrupt()
641 if( !cdr.Play ) return;
644 CDR_LOG( "CDDA - %d:%d:%d\n",
645 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
647 CDRPLAY_INT( cdReadTime );
649 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
650 cdrPlayInterrupt_Autopause();
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]++;
665 void cdrInterrupt() {
667 unsigned char Irq = cdr.Irq;
682 cdr.StatP |= STATUS_ROTATING;
683 cdr.Result[0] = cdr.StatP;
684 cdr.Stat = Acknowledge;
689 cdr.Result[0] = cdr.StatP;
690 cdr.Stat = Acknowledge;
692 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
698 cdr.StatP |= STATUS_ROTATING;
699 cdr.Result[0] = cdr.StatP;
700 cdr.Stat = Acknowledge;
704 fake_subq_change = 0;
706 if( cdr.Seeked == FALSE ) {
707 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
712 Rayman: detect track changes
715 Twisted Metal 2: skip PREGAP + starting accurate SubQ
716 - plays tracks without retry play
718 Wild 9: skip PREGAP + starting accurate SubQ
719 - plays tracks without retry play
721 /* unneeded with correct cdriso?
725 ReadTrack( cdr.SetSectorPlay );
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--;
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];
744 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
746 // GameShark CD Player: Resume play
747 if( cdr.ParamC == 0 ) {
749 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
750 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
753 //CDR_play( cdr.SetSectorPlay );
757 // BIOS CD Player: Resume play
758 if( cdr.Param[0] == 0 ) {
760 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
761 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
764 //CDR_play( cdr.SetSectorPlay );
768 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
769 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
772 // BIOS CD Player: Allow track replaying
776 cdr.CurTrack = btoi( cdr.Param[0] );
778 if (CDR_getTN(cdr.ResultTN) != -1) {
780 if (cdr.CurTrack > cdr.ResultTN[1])
781 cdr.CurTrack = cdr.ResultTN[1];
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];
791 ReadTrack( cdr.SetSectorPlay );
793 //CDR_play(cdr.SetSectorPlay);
801 // Vib Ribbon: gameplay checks flag
802 cdr.StatP &= ~STATUS_SEEK;
807 cdr.StatP |= STATUS_ROTATING;
808 cdr.Result[0] = cdr.StatP;
809 cdr.Stat = Acknowledge;
811 cdr.StatP |= STATUS_PLAY;
814 // BIOS player - set flag again
817 CDRPLAY_INT( cdReadTime );
823 cdr.StatP |= STATUS_ROTATING;
824 cdr.Result[0] = cdr.StatP;
828 // GameShark CD Player: Calls 2x + Play 2x
829 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
830 else cdr.FastForward++;
832 cdr.FastBackward = 0;
838 cdr.StatP |= STATUS_ROTATING;
839 cdr.Result[0] = cdr.StatP;
843 // GameShark CD Player: Calls 2x + Play 2x
844 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
845 else cdr.FastBackward++;
853 cdr.StatP |= STATUS_ROTATING;
854 cdr.Result[0] = cdr.StatP;
861 cdr.StatP &= ~STATUS_ROTATING;
862 cdr.Result[0] = cdr.StatP;
864 // cdr.Stat = Acknowledge;
866 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
871 cdr.Result[0] = cdr.StatP;
872 cdr.Stat = Acknowledge;
875 Gundam Battle Assault 2: much slower (*)
876 - Fixes boot, gameplay
878 Hokuto no Ken 2: slower
879 - Fixes intro + subtitles
881 InuYasha - Feudal Fairy Tale: slower
884 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
888 case CdlPause + 0x20:
890 cdr.StatP &= ~STATUS_READ;
891 cdr.StatP |= STATUS_ROTATING;
892 cdr.Result[0] = cdr.StatP;
898 cdr.StatP = STATUS_ROTATING;
899 cdr.Result[0] = cdr.StatP;
900 cdr.Stat = Acknowledge;
902 AddIrqQueue(CdlInit + 0x20, 0x800);
908 cdr.Result[0] = cdr.StatP;
915 cdr.StatP |= STATUS_ROTATING;
916 cdr.Result[0] = cdr.StatP;
917 cdr.Stat = Acknowledge;
922 cdr.StatP |= STATUS_ROTATING;
923 cdr.Result[0] = cdr.StatP;
924 cdr.Stat = Acknowledge;
929 cdr.StatP |= STATUS_ROTATING;
930 cdr.Result[0] = cdr.StatP;
931 cdr.Stat = Acknowledge;
936 cdr.StatP |= STATUS_ROTATING;
937 cdr.Result[0] = cdr.StatP;
938 cdr.Stat = Acknowledge;
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;
950 cdr.Stat = Acknowledge;
955 for (i = 0; i < 8; i++)
956 cdr.Result[i] = cdr.Transfer[i];
957 cdr.Stat = Acknowledge;
961 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
963 memset( cdr.Result, 0, 16 );
965 subq = (struct SubQ *)CDR_getBufferSub();
968 if( cdr.Play && (cdr.Mode & MODE_CDDA) && !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
970 ReadTrack( cdr.SetSectorPlay );
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);
978 // subQ integrity check - data only (skip audio)
979 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
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
985 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
990 cdr.Result[0] = itob(cdr.CurTrack);
991 cdr.Result[1] = itob(fake_subq_index);
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] );
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] );
1004 // redump.org - wipe time
1005 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
1006 memset( cdr.Result+2, 0, 6 );
1009 cdr.Stat = Acknowledge;
1013 // 5-Star Racing: don't stop CDDA
1015 // Vib Ribbon: CD swap
1020 cdr.StatP |= STATUS_ROTATING;
1021 cdr.Result[0] = cdr.StatP;
1022 if (CDR_getTN(cdr.ResultTN) == -1) {
1023 cdr.Stat = DiskError;
1024 cdr.Result[0] |= STATUS_ERROR;
1026 cdr.Stat = Acknowledge;
1027 cdr.Result[1] = itob(cdr.ResultTN[0]);
1028 cdr.Result[2] = itob(cdr.ResultTN[1]);
1034 cdr.Track = btoi(cdr.Param[0]);
1036 cdr.StatP |= STATUS_ROTATING;
1037 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1038 cdr.Stat = DiskError;
1039 cdr.Result[0] |= STATUS_ERROR;
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]);
1051 cdr.StatP |= STATUS_ROTATING;
1052 cdr.Result[0] = cdr.StatP;
1053 cdr.StatP |= STATUS_SEEK;
1054 cdr.Stat = Acknowledge;
1057 Crusaders of Might and Magic = 0.5x-4x
1058 - fix cutscene speech start
1060 Eggs of Steel = 2x-?
1064 - fix cutscene speech
1069 AddIrqQueue(CdlSeekL + 0x20, cdReadTime * 4);
1072 case CdlSeekL + 0x20:
1074 cdr.StatP |= STATUS_ROTATING;
1075 cdr.StatP &= ~STATUS_SEEK;
1076 cdr.Result[0] = cdr.StatP;
1078 cdr.Stat = Complete;
1081 // Mega Man Legends 2: must update read cursor for getlocp
1082 ReadTrack( cdr.SetSector );
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);
1094 case CdlSeekP + 0x20:
1096 cdr.StatP |= STATUS_ROTATING;
1097 cdr.StatP &= ~STATUS_SEEK;
1098 cdr.Result[0] = cdr.StatP;
1099 cdr.Stat = Complete;
1102 // GameShark Music Player
1103 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
1105 // Tomb Raider 2: must update read cursor for getlocp
1107 ReadTrack( cdr.SetSectorPlay );
1111 cdr.Stat = Acknowledge;
1112 switch (cdr.Param[0]) {
1113 case 0x20: // System Controller ROM Version
1115 memcpy(cdr.Result, Test20, 4);
1119 memcpy(cdr.Result, Test22, 4);
1121 case 0x23: case 0x24:
1123 memcpy(cdr.Result, Test23, 4);
1130 cdr.StatP |= STATUS_ROTATING;
1131 cdr.Result[0] = cdr.StatP;
1132 cdr.Stat = Acknowledge;
1133 AddIrqQueue(CdlID + 0x20, 0x800);
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
1144 if (stat.Type == 2) {
1146 cdr.Result[0] = 0x08;
1147 cdr.Result[1] = 0x10;
1149 cdr.Result[1] |= 0x80;
1153 if (CdromId[0] == '\0') {
1154 cdr.Result[0] = 0x00;
1155 cdr.Result[1] = 0x80;
1158 cdr.Result[0] = 0x08;
1159 cdr.Result[1] = 0x00;
1164 cdr.Result[2] = 0x00;
1165 cdr.Result[3] = 0x00;
1166 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1167 cdr.Stat = Complete;
1172 cdr.StatP = STATUS_ROTATING;
1173 cdr.Result[0] = cdr.StatP;
1174 cdr.Stat = Acknowledge;
1179 cdr.StatP |= STATUS_ROTATING;
1180 cdr.Result[0] = cdr.StatP;
1181 cdr.Stat = Acknowledge;
1182 AddIrqQueue(CdlReadT + 0x20, 0x800);
1185 case CdlReadT + 0x20:
1187 cdr.StatP |= STATUS_ROTATING;
1188 cdr.Result[0] = cdr.StatP;
1189 cdr.Stat = Complete;
1194 cdr.StatP |= STATUS_ROTATING;
1195 cdr.Result[0] = cdr.StatP;
1196 cdr.Stat = Acknowledge;
1197 AddIrqQueue(CdlReadToc + 0x20, 0x800);
1200 case CdlReadToc + 0x20:
1202 cdr.StatP |= STATUS_ROTATING;
1203 cdr.Result[0] = cdr.StatP;
1204 cdr.Stat = Complete;
1209 /* SetResultSize(1);
1215 cdr.Result[0] = cdr.StatP;
1217 */ AddIrqQueue(CdlPause, 0x800);
1221 if (!cdr.Reading) return;
1224 // Fighting Force 2 - update subq time immediately
1226 ReadTrack( cdr.SetSector );
1229 // Crusaders of Might and Magic - update getlocl now
1230 // - fixes cutscene speech
1232 u8 *buf = CDR_getBuffer();
1234 memcpy(cdr.Transfer, buf, 8);
1239 Duke Nukem: Land of the Babes - seek then delay read for one frame
1241 C-12 - Final Resistance - doesn't like seek
1247 cdr.StatP |= STATUS_SEEK;
1248 cdr.StatP &= ~STATUS_READ;
1250 // Crusaders of Might and Magic - use short time
1251 // - fix cutscene speech (startup)
1253 // ??? - use more accurate seek time later
1254 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1256 cdr.StatP |= STATUS_READ;
1257 cdr.StatP &= ~STATUS_SEEK;
1259 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1263 cdr.StatP |= STATUS_ROTATING;
1264 cdr.Result[0] = cdr.StatP;
1265 cdr.Stat = Acknowledge;
1272 cdr.Stat = Complete;
1281 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1282 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1286 CDR_LOG("cdrInterrupt() Log: CDR Interrupt IRQ %x\n", Irq);
1290 void cdrReadInterrupt() {
1296 if (cdr.Irq || cdr.Stat) {
1302 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1307 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1308 cdr.StatP &= ~STATUS_SEEK;
1309 cdr.Result[0] = cdr.StatP;
1311 ReadTrack( cdr.SetSector );
1313 buf = CDR_getBuffer();
1317 if (cdr.RErr == -1) {
1319 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1321 memset(cdr.Transfer, 0, DATA_SIZE);
1322 cdr.Stat = DiskError;
1323 cdr.Result[0] |= STATUS_ERROR;
1324 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1328 memcpy(cdr.Transfer, buf, DATA_SIZE);
1329 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1333 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
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];
1343 if ((cdr.Transfer[4 + 2] & 0x4) &&
1344 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1345 (cdr.Transfer[4 + 0] == cdr.File)) {
1346 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1349 // only handle attenuator basic channel switch for now
1350 if (cdr.Xa.stereo) {
1352 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1353 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1355 for (i = 0; i < cdr.Xa.nsamples; i++)
1356 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1358 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1359 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1361 for (i = 0; i < cdr.Xa.nsamples; i++)
1362 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1366 SPU_playADPCMchannel(&cdr.Xa);
1367 cdr.FirstSector = 0;
1370 // Crash Team Racing: music, speech
1371 // - done using cdda decoded buffer (spu irq)
1374 // signal ADPCM data ready
1375 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
1378 else cdr.FirstSector = -1;
1383 if (cdr.SetSector[2] == 75) {
1384 cdr.SetSector[2] = 0;
1386 if (cdr.SetSector[1] == 60) {
1387 cdr.SetSector[1] = 0;
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
1398 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1400 // AddIrqQueue(AUTOPAUSE, 0x2000);
1401 AddIrqQueue(CdlPause, 0x2000);
1404 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1408 Croc 2: $40 - only FORM1 (*)
1409 Judge Dredd: $C8 - only FORM1 (*)
1410 Sim Theme Park - no adpcm at all (zero)
1413 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1414 cdr.Stat = DataReady;
1416 // Breath of Fire 3 - fix inn sleeping
1417 // Rockman X5 - no music restart problem
1420 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1427 bit 0 - 0 REG1 command send / 1 REG1 data read
1428 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1432 bit 5 - 1 result ready
1434 bit 7 - 1 command being processed
1437 unsigned char cdrRead0(void) {
1438 if (cdr.ResultReady)
1446 // cdr.Ctrl &= ~0x40;
1448 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1452 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1455 return psxHu8(0x1800) = cdr.Ctrl;
1460 0 - to send a command / 1 - to get the result
1463 void cdrWrite0(unsigned char rt) {
1465 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1467 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
1470 unsigned char cdrRead1(void) {
1471 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
1472 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1473 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1475 if (cdr.ResultP == cdr.ResultC)
1476 cdr.ResultReady = 0;
1481 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1483 return psxHu8(0x1801);
1486 void cdrWrite1(unsigned char rt) {
1491 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1495 // Tekken: CDXA fade-out
1496 if( (cdr.Ctrl & 3) == 3 ) {
1497 cdr.AttenuatorRight[0] = rt;
1501 // psxHu8(0x1801) = rt;
1506 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1508 SysPrintf(" Param[%d] = {", cdr.ParamC);
1509 for (i = 0; i < cdr.ParamC; i++)
1510 SysPrintf(" %x,", cdr.Param[i]);
1517 if (cdr.Ctrl & 0x3) return;
1519 cdr.ResultReady = 0;
1525 AddIrqQueue(cdr.Cmd, 0x800);
1532 // Twisted Metal 3 - fix music
1533 AddIrqQueue(cdr.Cmd, 0x800);
1538 for (i = 0; i < 3; i++)
1539 set_loc[i] = btoi(cdr.Param[i]);
1540 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1543 memcpy(cdr.SetSector, set_loc, 3);
1544 cdr.SetSector[3] = 0;
1547 if ((cdr.SetSector[0] | cdr.SetSector[1] | cdr.SetSector[2]) == 0) {
1548 *(u32 *)cdr.SetSector = *(u32 *)cdr.SetSectorSeek;
1553 AddIrqQueue(cdr.Cmd, 0x800);
1557 // Vib Ribbon: try same track again
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);
1571 } else if (!Config.Cdda) {
1572 CDR_play(cdr.SetSector);
1575 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1576 // - fixes ribbon timing + music CD mode
1578 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1583 cdr.StatP |= STATUS_SEEK;
1584 cdr.StatP &= ~STATUS_ROTATING;
1588 AddIrqQueue(cdr.Cmd, 0x800);
1592 //if (cdr.CurTrack < 0xaa)
1596 AddIrqQueue(cdr.Cmd, 0x800);
1600 //if (cdr.CurTrack > 1)
1604 AddIrqQueue(cdr.Cmd, 0x800);
1612 StartReading(1, 0x800);
1620 AddIrqQueue(cdr.Cmd, 0x800);
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];
1633 // grab time for current track
1634 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1636 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1637 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1638 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1646 AddIrqQueue(cdr.Cmd, 0x800);
1651 GameShark CD Player: save time for resume
1653 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1661 AddIrqQueue(cdr.Cmd, 0x800);
1670 AddIrqQueue(cdr.Cmd, 0x800);
1677 AddIrqQueue(cdr.Cmd, 0x800);
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 );
1689 AddIrqQueue(cdr.Cmd, 0x800);
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 );
1698 cdr.File = cdr.Param[0];
1699 cdr.Channel = cdr.Param[1];
1702 AddIrqQueue(cdr.Cmd, 0x800);
1707 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1709 cdr.Mode = cdr.Param[0];
1712 AddIrqQueue(cdr.Cmd, 0x800);
1714 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1715 // - fixes choppy movie sound
1716 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1723 AddIrqQueue(cdr.Cmd, 0x800);
1730 // Crusaders of Might and Magic - cutscene speech
1731 AddIrqQueue(cdr.Cmd, 0x800);
1738 // GameShark CDX / Lite Player: pretty narrow time window
1739 // - doesn't always work due to time inprecision
1740 //AddIrqQueue(cdr.Cmd, 0x28);
1742 // Tomb Raider 2 - cdda
1743 //AddIrqQueue(cdr.Cmd, 0x40);
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);
1753 //AddIrqQueue(cdr.Cmd, 0x800);
1755 // GameShark CDX CD Player: very long time
1756 AddIrqQueue(cdr.Cmd, 0x100000);
1762 AddIrqQueue(cdr.Cmd, 0x800);
1766 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1769 AddIrqQueue(cdr.Cmd, 0x800);
1777 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1781 // Tomb Raider 2 - reset cdda
1785 AddIrqQueue(cdr.Cmd, 0x800);
1788 // Destruction Derby: read TOC? GetTD after this
1792 AddIrqQueue(cdr.Cmd, 0x800);
1798 AddIrqQueue(cdr.Cmd, 0x800);
1804 AddIrqQueue(cdr.Cmd, 0x800);
1812 StartReading(2, 0x800);
1818 AddIrqQueue(cdr.Cmd, 0x800);
1825 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1829 if (cdr.Stat != NoIntr) {
1830 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1834 unsigned char cdrRead2(void) {
1837 if (cdr.Readed == 0) {
1844 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1849 void cdrWrite2(unsigned char rt) {
1851 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1854 // Tekken: CDXA fade-out
1855 if( (cdr.Ctrl & 3) == 2 ) {
1856 cdr.AttenuatorLeft[0] = rt;
1858 else if( (cdr.Ctrl & 3) == 3 ) {
1859 cdr.AttenuatorRight[1] = rt;
1863 if (cdr.Ctrl & 0x1) {
1868 cdr.ResultReady = 1; //0;
1869 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1876 } else if (!(cdr.Ctrl & 0x3) && cdr.ParamP < 8) {
1877 cdr.Param[cdr.ParamP++] = rt;
1882 unsigned char cdrRead3(void) {
1885 psxHu8(0x1803) = cdr.Stat | 0xE0;
1887 psxHu8(0x1803) = 0xff;
1892 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1894 return psxHu8(0x1803);
1897 void cdrWrite3(unsigned char rt) {
1899 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1902 // Tekken: CDXA fade-out
1903 if( (cdr.Ctrl & 3) == 2 ) {
1904 cdr.AttenuatorLeft[1] = rt;
1906 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
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] );
1915 // GameShark CDX CD Player: Irq timing mania
1917 cdr.Irq != 0 && cdr.Irq != 0xff &&
1918 cdr.ResultReady == 0 ) {
1920 // GS CDX: ~0x28 cycle timing - way too precise
1921 if( cdr.Irq == CdlGetlocP ) {
1924 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1929 if (rt == 0x07 && (cdr.Ctrl & 3) == 1) {
1932 if (cdr.Irq == 0xff) {
1937 // XA streaming - incorrect timing because of this reschedule
1938 // - Final Fantasy Tactics
1939 // - various other games
1941 if (cdr.Reading && !cdr.ResultReady) {
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;
1944 if (Config.CdrReschedule != 2)
1945 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
1946 //printf("-- resched %d -> %d\n", left, time);
1954 if (rt == 0x80 && !(cdr.Ctrl & 0x3) && cdr.Readed == 0) {
1956 pTransfer = cdr.Transfer;
1958 switch (cdr.Mode & 0x30) {
1959 case MODE_SIZE_2328:
1964 case MODE_SIZE_2340:
1974 void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1980 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1986 if (cdr.Readed == 0) {
1988 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1993 cdsize = (bcr & 0xffff) * 4;
1995 // Ape Escape: bcr = 0001 / 0000
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;
2007 ptr = (u8 *)PSXM(madr);
2010 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
2016 GS CDX: Enhancement CD crash
2019 - Spams DMA3 and gets buffer overrun
2021 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
2026 memcpy(ptr, pTransfer, size);
2029 psxCpu->Clear(madr, cdsize / 4);
2030 pTransfer += cdsize;
2034 if( chcr == 0x11400100 ) {
2035 CDRDMA_INT( (cdsize/4) / 4 );
2037 else if( chcr == 0x11000000 ) {
2038 CDRDMA_INT( (cdsize/4) * 1 );
2044 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2049 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2053 void cdrDmaInterrupt()
2055 if (HW_DMA3_CHCR & SWAP32(0x01000000))
2057 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2063 memset(&cdr, 0, sizeof(cdr));
2067 pTransfer = cdr.Transfer;
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;
2076 int cdrFreeze(gzFile f, int Mode) {
2083 gzfreeze(&cdr, sizeof(cdr));
2086 tmp = pTransfer - cdr.Transfer;
2088 gzfreeze(&tmp, sizeof(tmp));
2091 pTransfer = cdr.Transfer + tmp;
2093 if (cdr.Play && !Config.Cdda)
2094 CDR_play(cdr.SetSectorPlay);
2100 void LidInterrupt() {
2101 cdr.LidCheck = 0x20; // start checker
2103 CDRLID_INT( cdReadTime * 3 );
2105 // generate interrupt if none active - open or close
2106 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2109 AddIrqQueue(CdlNop, 0x800);