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.
30 /* CD-ROM magic numbers */
44 #define CdlSetfilter 13
54 #define CdlSetclock 23
55 #define CdlGetclock 24
65 #define REPPLAY_ACK 252
68 /* don't set 255, it's reserved */
70 char *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
81 unsigned char Test04[] = { 0 };
82 unsigned char Test05[] = { 0 };
83 unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 };
84 unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F };
85 unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 };
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
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
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)
122 static struct CdrStat stat;
124 static unsigned int msf2sec(char *msf) {
125 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
128 static void sec2msf(unsigned int s, char *msf) {
129 msf[0] = s / 75 / 60;
130 s = s - msf[0] * 75 * 60;
137 #define CDR_INT(eCycle) { \
138 psxRegs.interrupt |= (1 << PSXINT_CDR); \
139 psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \
140 psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \
141 new_dyna_set_event(PSXINT_CDR, eCycle); \
144 #define CDREAD_INT(eCycle) { \
145 psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
146 psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
147 psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
148 new_dyna_set_event(PSXINT_CDREAD, eCycle); \
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); \
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); \
165 #define StartReading(type, eCycle) { \
166 cdr.Reading = type; \
167 cdr.FirstSector = 1; \
169 AddIrqQueue(READ_ACK, eCycle); \
172 #define StopReading() { \
175 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
177 cdr.StatP &= ~STATUS_READ;\
180 #define StopCdda() { \
182 if (!Config.Cdda) CDR_stop(); \
183 cdr.StatP &= ~STATUS_PLAY; \
185 cdr.FastForward = 0; \
186 cdr.FastBackward = 0; \
187 /*SPU_registerCallback( SPUirq );*/ \
191 #define SetResultSize(size) { \
193 cdr.ResultC = size; \
194 cdr.ResultReady = 1; \
198 void cdrLidSeekInterrupt()
200 // turn back on checking
201 if( cdr.LidCheck == 0x10 )
206 // official lid close
207 else if( cdr.LidCheck == 0x30 )
210 cdr.StatP |= STATUS_ROTATING;
213 // GS CDX 3.3 - ~50 getlocp tries
214 CDRLID_INT( cdReadTime * 3 );
219 else if( cdr.LidCheck == 0x40 )
222 cdr.StatP &= ~STATUS_SHELLOPEN;
223 cdr.StatP &= ~STATUS_ROTATING;
226 // GS CDX 3.3 - ~50 getlocp tries
227 CDRLID_INT( cdReadTime * 3 );
232 else if( cdr.LidCheck == 0x50 )
234 // GameShark Lite: Start seeking ($42)
235 cdr.StatP |= STATUS_SEEK;
236 cdr.StatP |= STATUS_ROTATING;
237 cdr.StatP &= ~STATUS_ERROR;
240 CDRLID_INT( cdReadTime * 3 );
245 else if( cdr.LidCheck == 0x60 )
247 // GameShark Lite: Seek detection done ($02)
248 cdr.StatP &= ~STATUS_SEEK;
255 static void Check_Shell( int Irq )
257 // check case open/close
258 if (cdr.LidCheck > 0)
261 CDR_LOG( "LidCheck\n" );
264 // $20 = check lid state
265 if( cdr.LidCheck == 0x20 )
270 if (CDR_getStatus(&stat) != -1)
272 // BIOS hangs + BIOS error messages
273 //if (stat.Type == 0xff)
274 //cdr.Stat = DiskError;
277 if (stat.Status & STATUS_SHELLOPEN)
279 // Vib Ribbon: pre-CD swap
283 // GameShark Lite: Death if DiskError happens
285 // Vib Ribbon: Needs DiskError for CD swap
289 cdr.Stat = DiskError;
291 cdr.StatP |= STATUS_ERROR;
292 cdr.Result[0] |= STATUS_ERROR;
295 // GameShark Lite: Wants -exactly- $10
296 cdr.StatP |= STATUS_SHELLOPEN;
297 cdr.StatP &= ~STATUS_ROTATING;
300 CDRLID_INT( cdReadTime * 3 );
308 else if ( i & STATUS_SHELLOPEN )
310 cdr.StatP |= STATUS_ROTATING;
315 if( cdr.Stat == NoIntr )
316 cdr.Stat = Acknowledge;
318 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
321 // begin close-seek-ready cycle
322 CDRLID_INT( cdReadTime * 3 );
326 // GameShark Lite: Wants -exactly- $42, then $02
327 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
330 // case still closed - wait for recheck
333 CDRLID_INT( cdReadTime * 3 );
340 // GS CDX: clear all values but #1,#2
341 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
344 memset( cdr.Result, 0, 16 );
346 cdr.Result[0] = cdr.StatP;
349 // GS CDX: special return value
350 if( cdr.StatP & STATUS_SHELLOPEN )
352 cdr.Result[1] = 0x80;
356 if( cdr.Stat == NoIntr )
357 cdr.Stat = Acknowledge;
359 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
365 void Find_CurTrack() {
368 if (CDR_getTN(cdr.ResultTN) != -1) {
371 for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
372 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
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],
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;
386 // Twisted Metal 4 - psx cdda pregap (2-sec)
387 // - fix in-game music
390 if( sect1 >= sect2 ) {
401 static 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] );
407 CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
409 cdr.RErr = CDR_readTrack(cdr.Prev);
413 void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
417 // Doom: Force rescheduling
425 if (CDR_getTN(cdr.ResultTN) != -1) {
428 for( lcv = 1; lcv < cdr.ResultTN[1]; lcv++ ) {
429 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
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],
437 // check if time matches track start (only need min, sec accuracy)
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];
447 else if( cdr.SetSectorPlay[0] < cdr.ResultTD[2] )
455 static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
456 static void Create_Fake_Subq()
458 u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
461 if (CDR_getTN(cdr.ResultTN) == -1) return;
462 if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
464 if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
466 // last track - cd size
468 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
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];
476 temp_cur[0] = btoi( cdr.Prev[0] );
477 temp_cur[1] = btoi( cdr.Prev[1] );
478 temp_cur[2] = btoi( cdr.Prev[2] );
481 fake_subq_real[0] = temp_cur[0];
482 fake_subq_real[1] = temp_cur[1];
483 fake_subq_real[2] = temp_cur[2];
485 temp_next[0] = cdr.ResultTD[2];
486 temp_next[1] = cdr.ResultTD[1];
487 temp_next[2] = cdr.ResultTD[0];
491 if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
492 fake_subq_change = 1;
497 if( pregap == 0 ) StopCdda();
500 //////////////////////////////////////////////////
501 //////////////////////////////////////////////////
504 if( cdr.CurTrack <= cdr.ResultTN[1] ) {
505 if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
507 // last track - cd size
508 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
511 temp_start[0] = cdr.ResultTD[2];
512 temp_start[1] = cdr.ResultTD[1];
513 temp_start[2] = cdr.ResultTD[0];
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]);
525 // local time - pregap / real
526 diff = msf2sec(temp_cur) - msf2sec( temp_start );
530 sec2msf( -diff, fake_subq_local );
534 sec2msf( diff, fake_subq_local );
539 static void cdrPlayInterrupt_Autopause()
541 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
542 int track_changed = 0;
545 CDR_LOG( "CDDA SUB - %X:%X:%X\n",
546 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
552 Silhouette Mirage ($3)
556 if( cdr.CurTrack < btoi( subq->TrackNumber ) )
561 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
562 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
565 track_changed = fake_subq_change;
566 fake_subq_change = 0;
569 if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
571 CDR_LOG( "CDDA STOP\n" );
574 // Magic the Gathering
575 // - looping territory cdda
578 //cdr.ResultReady = 1;
579 //cdr.Stat = DataReady;
581 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
585 if (cdr.Mode & MODE_REPORT) {
588 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
589 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
591 cdr.CurTrack = btoi( subq->TrackNumber );
593 if (subq->AbsoluteAddress[2] & 0xf)
596 cdr.Result[0] = cdr.StatP;
597 // BIOS CD Player: data already BCD format
598 cdr.Result[1] = subq->TrackNumber;
599 cdr.Result[2] = subq->IndexNumber;
601 cdr.Result[3] = subq->AbsoluteAddress[0];
602 cdr.Result[4] = subq->AbsoluteAddress[1];
603 cdr.Result[5] = subq->AbsoluteAddress[2];
606 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
607 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
610 if (fake_subq_real[2] & 0xf)
613 cdr.Result[0] = cdr.StatP;
615 cdr.Result[1] = itob(cdr.CurTrack);
616 cdr.Result[2] = itob(fake_subq_index);
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] );
623 // Rayman: Logo freeze (resultready + dataready)
625 cdr.Stat = DataReady;
628 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
632 void cdrPlayInterrupt()
634 if( !cdr.Play ) return;
637 CDR_LOG( "CDDA - %d:%d:%d\n",
638 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
640 CDRPLAY_INT( cdReadTime );
642 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
643 cdrPlayInterrupt_Autopause();
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]++;
658 void cdrInterrupt() {
660 unsigned char Irq = cdr.Irq;
675 cdr.StatP |= STATUS_ROTATING;
676 cdr.Result[0] = cdr.StatP;
677 cdr.Stat = Acknowledge;
682 cdr.Result[0] = cdr.StatP;
683 cdr.Stat = Acknowledge;
685 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
691 cdr.StatP |= STATUS_ROTATING;
692 cdr.Result[0] = cdr.StatP;
693 cdr.Stat = Acknowledge;
697 fake_subq_change = 0;
699 if( cdr.Seeked == FALSE ) {
700 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
705 Rayman: detect track changes
708 Twisted Metal 2: skip PREGAP + starting accurate SubQ
709 - plays tracks without retry play
711 Wild 9: skip PREGAP + starting accurate SubQ
712 - plays tracks without retry play
714 /* unneeded with correct cdriso?
718 ReadTrack( cdr.SetSectorPlay );
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--;
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];
737 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
739 // GameShark CD Player: Resume play
740 if( cdr.ParamC == 0 ) {
742 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
743 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
746 //CDR_play( cdr.SetSectorPlay );
750 // BIOS CD Player: Resume play
751 if( cdr.Param[0] == 0 ) {
753 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
754 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
757 //CDR_play( cdr.SetSectorPlay );
761 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
762 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
765 // BIOS CD Player: Allow track replaying
769 cdr.CurTrack = btoi( cdr.Param[0] );
771 if (CDR_getTN(cdr.ResultTN) != -1) {
773 if (cdr.CurTrack > cdr.ResultTN[1])
774 cdr.CurTrack = cdr.ResultTN[1];
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];
784 ReadTrack( cdr.SetSectorPlay );
786 //CDR_play(cdr.SetSectorPlay);
794 // Vib Ribbon: gameplay checks flag
795 cdr.StatP &= ~STATUS_SEEK;
800 cdr.StatP |= STATUS_ROTATING;
801 cdr.Result[0] = cdr.StatP;
802 cdr.Stat = Acknowledge;
804 cdr.StatP |= STATUS_PLAY;
807 // BIOS player - set flag again
810 CDRPLAY_INT( cdReadTime );
816 cdr.StatP |= STATUS_ROTATING;
817 cdr.Result[0] = cdr.StatP;
821 // GameShark CD Player: Calls 2x + Play 2x
822 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
823 else cdr.FastForward++;
825 cdr.FastBackward = 0;
831 cdr.StatP |= STATUS_ROTATING;
832 cdr.Result[0] = cdr.StatP;
836 // GameShark CD Player: Calls 2x + Play 2x
837 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
838 else cdr.FastBackward++;
846 cdr.StatP |= STATUS_ROTATING;
847 cdr.Result[0] = cdr.StatP;
854 cdr.StatP &= ~STATUS_ROTATING;
855 cdr.Result[0] = cdr.StatP;
857 // cdr.Stat = Acknowledge;
859 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
864 cdr.Result[0] = cdr.StatP;
865 cdr.Stat = Acknowledge;
868 Gundam Battle Assault 2: much slower (*)
869 - Fixes boot, gameplay
871 Hokuto no Ken 2: slower
872 - Fixes intro + subtitles
874 InuYasha - Feudal Fairy Tale: slower
877 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
881 case CdlPause + 0x20:
883 cdr.StatP &= ~STATUS_READ;
884 cdr.StatP |= STATUS_ROTATING;
885 cdr.Result[0] = cdr.StatP;
891 cdr.StatP = STATUS_ROTATING;
892 cdr.Result[0] = cdr.StatP;
893 cdr.Stat = Acknowledge;
895 AddIrqQueue(CdlInit + 0x20, 0x800);
901 cdr.Result[0] = cdr.StatP;
908 cdr.StatP |= STATUS_ROTATING;
909 cdr.Result[0] = cdr.StatP;
910 cdr.Stat = Acknowledge;
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.Result[1] = cdr.Mode;
939 cdr.Result[2] = cdr.File;
940 cdr.Result[3] = cdr.Channel;
943 cdr.Stat = Acknowledge;
948 for (i = 0; i < 8; i++)
949 cdr.Result[i] = cdr.Transfer[i];
950 cdr.Stat = Acknowledge;
954 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
956 memset( cdr.Result, 0, 16 );
958 subq = (struct SubQ *)CDR_getBufferSub();
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);
967 // subQ integrity check - data only (skip audio)
968 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
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
974 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
979 cdr.Result[0] = itob(cdr.CurTrack);
980 cdr.Result[1] = itob(fake_subq_index);
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] );
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] );
993 // redump.org - wipe time
994 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
995 memset( cdr.Result+2, 0, 6 );
998 cdr.Stat = Acknowledge;
1002 // 5-Star Racing: don't stop CDDA
1004 // Vib Ribbon: CD swap
1009 cdr.StatP |= STATUS_ROTATING;
1010 cdr.Result[0] = cdr.StatP;
1011 if (CDR_getTN(cdr.ResultTN) == -1) {
1012 cdr.Stat = DiskError;
1013 cdr.Result[0] |= STATUS_ERROR;
1015 cdr.Stat = Acknowledge;
1016 cdr.Result[1] = itob(cdr.ResultTN[0]);
1017 cdr.Result[2] = itob(cdr.ResultTN[1]);
1023 cdr.Track = btoi(cdr.Param[0]);
1025 cdr.StatP |= STATUS_ROTATING;
1026 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1027 cdr.Stat = DiskError;
1028 cdr.Result[0] |= STATUS_ERROR;
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]);
1040 cdr.StatP |= STATUS_ROTATING;
1041 cdr.Result[0] = cdr.StatP;
1042 cdr.StatP |= STATUS_SEEK;
1043 cdr.Stat = Acknowledge;
1046 Crusaders of Might and Magic = 0.5x-4x
1047 - fix cutscene speech start
1049 Eggs of Steel = 2x-?
1053 - fix cutscene speech
1058 AddIrqQueue(CdlSeekL + 0x20, cdReadTime * 4);
1061 case CdlSeekL + 0x20:
1063 cdr.StatP |= STATUS_ROTATING;
1064 cdr.StatP &= ~STATUS_SEEK;
1065 cdr.Result[0] = cdr.StatP;
1067 cdr.Stat = Complete;
1070 // Mega Man Legends 2: must update read cursor for getlocp
1071 ReadTrack( cdr.SetSector );
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);
1083 case CdlSeekP + 0x20:
1085 cdr.StatP |= STATUS_ROTATING;
1086 cdr.StatP &= ~STATUS_SEEK;
1087 cdr.Result[0] = cdr.StatP;
1088 cdr.Stat = Complete;
1091 // GameShark Music Player
1092 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
1094 // Tomb Raider 2: must update read cursor for getlocp
1096 ReadTrack( cdr.SetSectorPlay );
1100 cdr.Stat = Acknowledge;
1101 switch (cdr.Param[0]) {
1102 case 0x20: // System Controller ROM Version
1104 memcpy(cdr.Result, Test20, 4);
1108 memcpy(cdr.Result, Test22, 4);
1110 case 0x23: case 0x24:
1112 memcpy(cdr.Result, Test23, 4);
1119 cdr.StatP |= STATUS_ROTATING;
1120 cdr.Result[0] = cdr.StatP;
1121 cdr.Stat = Acknowledge;
1122 AddIrqQueue(CdlID + 0x20, 0x800);
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
1133 if (stat.Type == 2) {
1135 cdr.Result[0] = 0x08;
1136 cdr.Result[1] = 0x10;
1138 cdr.Result[1] |= 0x80;
1142 if (CdromId[0] == '\0') {
1143 cdr.Result[0] = 0x00;
1144 cdr.Result[1] = 0x80;
1147 cdr.Result[0] = 0x08;
1148 cdr.Result[1] = 0x00;
1153 cdr.Result[2] = 0x00;
1154 cdr.Result[3] = 0x00;
1155 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1156 cdr.Stat = Complete;
1161 cdr.StatP = STATUS_ROTATING;
1162 cdr.Result[0] = cdr.StatP;
1163 cdr.Stat = Acknowledge;
1168 cdr.StatP |= STATUS_ROTATING;
1169 cdr.Result[0] = cdr.StatP;
1170 cdr.Stat = Acknowledge;
1171 AddIrqQueue(CdlReadT + 0x20, 0x800);
1174 case CdlReadT + 0x20:
1176 cdr.StatP |= STATUS_ROTATING;
1177 cdr.Result[0] = cdr.StatP;
1178 cdr.Stat = Complete;
1183 cdr.StatP |= STATUS_ROTATING;
1184 cdr.Result[0] = cdr.StatP;
1185 cdr.Stat = Acknowledge;
1186 AddIrqQueue(CdlReadToc + 0x20, 0x800);
1189 case CdlReadToc + 0x20:
1191 cdr.StatP |= STATUS_ROTATING;
1192 cdr.Result[0] = cdr.StatP;
1193 cdr.Stat = Complete;
1198 /* SetResultSize(1);
1204 cdr.Result[0] = cdr.StatP;
1206 */ AddIrqQueue(CdlPause, 0x800);
1210 if (!cdr.Reading) return;
1213 // Fighting Force 2 - update subq time immediately
1215 ReadTrack( cdr.SetSector );
1218 // Crusaders of Might and Magic - update getlocl now
1219 // - fixes cutscene speech
1221 u8 *buf = CDR_getBuffer();
1223 memcpy(cdr.Transfer, buf, 8);
1228 Duke Nukem: Land of the Babes - seek then delay read for one frame
1230 C-12 - Final Resistance - doesn't like seek
1236 cdr.StatP |= STATUS_SEEK;
1237 cdr.StatP &= ~STATUS_READ;
1239 // Crusaders of Might and Magic - use short time
1240 // - fix cutscene speech (startup)
1242 // ??? - use more accurate seek time later
1243 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1245 cdr.StatP |= STATUS_READ;
1246 cdr.StatP &= ~STATUS_SEEK;
1248 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1252 cdr.StatP |= STATUS_ROTATING;
1253 cdr.Result[0] = cdr.StatP;
1254 cdr.Stat = Acknowledge;
1261 cdr.Stat = Complete;
1270 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1271 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1275 CDR_LOG("cdrInterrupt() Log: CDR Interrupt IRQ %x\n", Irq);
1279 void cdrReadInterrupt() {
1285 if (cdr.Irq || cdr.Stat) {
1291 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1296 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1297 cdr.StatP &= ~STATUS_SEEK;
1298 cdr.Result[0] = cdr.StatP;
1300 ReadTrack( cdr.SetSector );
1302 buf = CDR_getBuffer();
1306 if (cdr.RErr == -1) {
1308 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1310 memset(cdr.Transfer, 0, DATA_SIZE);
1311 cdr.Stat = DiskError;
1312 cdr.Result[0] |= STATUS_ERROR;
1313 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1317 memcpy(cdr.Transfer, buf, DATA_SIZE);
1318 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1322 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
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];
1332 if ((cdr.Transfer[4 + 2] & 0x4) &&
1333 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1334 (cdr.Transfer[4 + 0] == cdr.File)) {
1335 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1338 // only handle attenuator basic channel switch for now
1339 if (cdr.Xa.stereo) {
1341 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1342 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1344 for (i = 0; i < cdr.Xa.nsamples; i++)
1345 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1347 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1348 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1350 for (i = 0; i < cdr.Xa.nsamples; i++)
1351 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1355 SPU_playADPCMchannel(&cdr.Xa);
1356 cdr.FirstSector = 0;
1359 // Crash Team Racing: music, speech
1360 // - done using cdda decoded buffer (spu irq)
1363 // signal ADPCM data ready
1364 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
1367 else cdr.FirstSector = -1;
1372 if (cdr.SetSector[2] == 75) {
1373 cdr.SetSector[2] = 0;
1375 if (cdr.SetSector[1] == 60) {
1376 cdr.SetSector[1] = 0;
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
1387 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1389 // AddIrqQueue(AUTOPAUSE, 0x2000);
1390 AddIrqQueue(CdlPause, 0x2000);
1393 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1397 Croc 2: $40 - only FORM1 (*)
1398 Judge Dredd: $C8 - only FORM1 (*)
1399 Sim Theme Park - no adpcm at all (zero)
1402 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1403 cdr.Stat = DataReady;
1405 // Breath of Fire 3 - fix inn sleeping
1406 // Rockman X5 - no music restart problem
1409 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1416 bit 0 - 0 REG1 command send / 1 REG1 data read
1417 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1421 bit 5 - 1 result ready
1423 bit 7 - 1 command being processed
1426 unsigned char cdrRead0(void) {
1427 if (cdr.ResultReady)
1435 // cdr.Ctrl &= ~0x40;
1437 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1441 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1444 return psxHu8(0x1800) = cdr.Ctrl;
1449 0 - to send a command / 1 - to get the result
1452 void cdrWrite0(unsigned char rt) {
1454 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1456 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
1459 unsigned char cdrRead1(void) {
1460 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
1461 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1462 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1464 if (cdr.ResultP == cdr.ResultC)
1465 cdr.ResultReady = 0;
1470 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1472 return psxHu8(0x1801);
1475 void cdrWrite1(unsigned char rt) {
1480 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1484 // Tekken: CDXA fade-out
1485 if( (cdr.Ctrl & 3) == 3 ) {
1486 cdr.AttenuatorRight[0] = rt;
1490 // psxHu8(0x1801) = rt;
1495 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1497 SysPrintf(" Param[%d] = {", cdr.ParamC);
1498 for (i = 0; i < cdr.ParamC; i++)
1499 SysPrintf(" %x,", cdr.Param[i]);
1506 if (cdr.Ctrl & 0x3) return;
1508 cdr.ResultReady = 0;
1514 AddIrqQueue(cdr.Cmd, 0x800);
1521 // Twisted Metal 3 - fix music
1522 AddIrqQueue(cdr.Cmd, 0x800);
1527 for (i = 0; i < 3; i++)
1528 set_loc[i] = btoi(cdr.Param[i]);
1529 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1532 memcpy(cdr.SetSector, set_loc, 3);
1533 cdr.SetSector[3] = 0;
1536 if ((cdr.SetSector[0] | cdr.SetSector[1] | cdr.SetSector[2]) == 0) {
1537 *(u32 *)cdr.SetSector = *(u32 *)cdr.SetSectorSeek;
1542 AddIrqQueue(cdr.Cmd, 0x800);
1546 // Vib Ribbon: try same track again
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);
1560 } else if (!Config.Cdda) {
1561 CDR_play(cdr.SetSector);
1564 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1565 // - fixes ribbon timing + music CD mode
1567 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1572 cdr.StatP |= STATUS_SEEK;
1573 cdr.StatP &= ~STATUS_ROTATING;
1577 AddIrqQueue(cdr.Cmd, 0x800);
1581 //if (cdr.CurTrack < 0xaa)
1585 AddIrqQueue(cdr.Cmd, 0x800);
1589 //if (cdr.CurTrack > 1)
1593 AddIrqQueue(cdr.Cmd, 0x800);
1601 StartReading(1, 0x800);
1609 AddIrqQueue(cdr.Cmd, 0x800);
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];
1622 // grab time for current track
1623 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1625 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1626 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1627 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1635 AddIrqQueue(cdr.Cmd, 0x800);
1640 GameShark CD Player: save time for resume
1642 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1650 AddIrqQueue(cdr.Cmd, 0x800);
1659 AddIrqQueue(cdr.Cmd, 0x800);
1666 AddIrqQueue(cdr.Cmd, 0x800);
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 );
1678 AddIrqQueue(cdr.Cmd, 0x800);
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 );
1687 cdr.File = cdr.Param[0];
1688 cdr.Channel = cdr.Param[1];
1691 AddIrqQueue(cdr.Cmd, 0x800);
1696 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1698 cdr.Mode = cdr.Param[0];
1701 AddIrqQueue(cdr.Cmd, 0x800);
1703 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1704 // - fixes choppy movie sound
1705 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1712 AddIrqQueue(cdr.Cmd, 0x800);
1719 // Crusaders of Might and Magic - cutscene speech
1720 AddIrqQueue(cdr.Cmd, 0x800);
1727 // GameShark CDX / Lite Player: pretty narrow time window
1728 // - doesn't always work due to time inprecision
1729 //AddIrqQueue(cdr.Cmd, 0x28);
1731 // Tomb Raider 2 - cdda
1732 //AddIrqQueue(cdr.Cmd, 0x40);
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);
1742 //AddIrqQueue(cdr.Cmd, 0x800);
1744 // GameShark CDX CD Player: very long time
1745 AddIrqQueue(cdr.Cmd, 0x100000);
1751 AddIrqQueue(cdr.Cmd, 0x800);
1755 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1758 AddIrqQueue(cdr.Cmd, 0x800);
1766 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1770 // Tomb Raider 2 - reset cdda
1774 AddIrqQueue(cdr.Cmd, 0x800);
1777 // Destruction Derby: read TOC? GetTD after this
1781 AddIrqQueue(cdr.Cmd, 0x800);
1787 AddIrqQueue(cdr.Cmd, 0x800);
1793 AddIrqQueue(cdr.Cmd, 0x800);
1801 StartReading(2, 0x800);
1807 AddIrqQueue(cdr.Cmd, 0x800);
1814 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1818 if (cdr.Stat != NoIntr) {
1819 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1823 unsigned char cdrRead2(void) {
1826 if (cdr.Readed == 0) {
1829 ret = *cdr.pTransfer++;
1833 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1838 void cdrWrite2(unsigned char rt) {
1840 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1843 // Tekken: CDXA fade-out
1844 if( (cdr.Ctrl & 3) == 2 ) {
1845 cdr.AttenuatorLeft[0] = rt;
1847 else if( (cdr.Ctrl & 3) == 3 ) {
1848 cdr.AttenuatorRight[1] = rt;
1852 if (cdr.Ctrl & 0x1) {
1857 cdr.ResultReady = 1; //0;
1858 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1865 } else if (!(cdr.Ctrl & 0x3) && cdr.ParamP < 8) {
1866 cdr.Param[cdr.ParamP++] = rt;
1871 unsigned char cdrRead3(void) {
1874 psxHu8(0x1803) = cdr.Stat | 0xE0;
1876 psxHu8(0x1803) = 0xff;
1881 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1883 return psxHu8(0x1803);
1886 void cdrWrite3(unsigned char rt) {
1888 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1891 // Tekken: CDXA fade-out
1892 if( (cdr.Ctrl & 3) == 2 ) {
1893 cdr.AttenuatorLeft[1] = rt;
1895 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
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] );
1904 // GameShark CDX CD Player: Irq timing mania
1906 cdr.Irq != 0 && cdr.Irq != 0xff &&
1907 cdr.ResultReady == 0 ) {
1909 // GS CDX: ~0x28 cycle timing - way too precise
1910 if( cdr.Irq == CdlGetlocP ) {
1913 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1918 if (rt == 0x07 && (cdr.Ctrl & 3) == 1) {
1921 if (cdr.Irq == 0xff) {
1926 // XA streaming - incorrect timing because of this reschedule
1927 // - Final Fantasy Tactics
1928 // - various other games
1930 if (cdr.Reading && !cdr.ResultReady) {
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;
1933 if (Config.CdrReschedule != 2)
1934 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
1935 //printf("-- resched %d -> %d\n", left, time);
1943 if (rt == 0x80 && !(cdr.Ctrl & 0x3) && cdr.Readed == 0) {
1945 cdr.pTransfer = cdr.Transfer;
1947 switch (cdr.Mode & 0x30) {
1948 case MODE_SIZE_2328:
1950 cdr.pTransfer += 12;
1953 case MODE_SIZE_2340:
1963 void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1969 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1975 if (cdr.Readed == 0) {
1977 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1982 cdsize = (bcr & 0xffff) * 4;
1984 // Ape Escape: bcr = 0001 / 0000
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;
1996 ptr = (u8 *)PSXM(madr);
1999 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
2005 GS CDX: Enhancement CD crash
2008 - Spams DMA3 and gets buffer overrun
2010 size = CD_FRAMESIZE_RAW - (cdr.pTransfer - cdr.Transfer);
2015 memcpy(ptr, cdr.pTransfer, size);
2018 psxCpu->Clear(madr, cdsize / 4);
2019 cdr.pTransfer += cdsize;
2023 if( chcr == 0x11400100 ) {
2024 CDRDMA_INT( (cdsize/4) / 4 );
2026 else if( chcr == 0x11000000 ) {
2027 CDRDMA_INT( (cdsize/4) * 1 );
2033 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2038 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2042 void cdrDmaInterrupt()
2044 if (HW_DMA3_CHCR & SWAP32(0x01000000))
2046 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2052 memset(&cdr, 0, sizeof(cdr));
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;
2064 int cdrFreeze(gzFile f, int Mode) {
2072 gzfreeze(&cdr, sizeof(cdr));
2075 tmp = cdr.pTransfer - cdr.Transfer;
2077 gzfreeze(&tmp, sizeof(tmp));
2080 cdr.pTransfer = cdr.Transfer + tmp;
2082 if (cdr.Play && !Config.Cdda)
2083 CDR_play(cdr.SetSectorPlay);
2089 void LidInterrupt() {
2090 cdr.LidCheck = 0x20; // start checker
2092 CDRLID_INT( cdReadTime * 3 );
2094 // generate interrupt if none active - open or close
2095 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2098 AddIrqQueue(CdlNop, 0x800);