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(char *msf) {
126 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
129 static void sec2msf(unsigned int s, char *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 if( cdr.CurTrack + 1 == btoi( subq->TrackNumber ) )
565 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
566 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
569 track_changed = fake_subq_change;
570 fake_subq_change = 0;
573 if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
575 CDR_LOG( "CDDA STOP\n" );
578 // Magic the Gathering
579 // - looping territory cdda
582 //cdr.ResultReady = 1;
583 //cdr.Stat = DataReady;
585 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
589 if (cdr.Mode & MODE_REPORT) {
592 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
593 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
595 cdr.CurTrack = btoi( subq->TrackNumber );
597 if (subq->AbsoluteAddress[2] & 0xf)
600 cdr.Result[0] = cdr.StatP;
601 // BIOS CD Player: data already BCD format
602 cdr.Result[1] = subq->TrackNumber;
603 cdr.Result[2] = subq->IndexNumber;
605 cdr.Result[3] = subq->AbsoluteAddress[0];
606 cdr.Result[4] = subq->AbsoluteAddress[1];
607 cdr.Result[5] = subq->AbsoluteAddress[2];
610 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
611 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
614 if (fake_subq_real[2] & 0xf)
617 cdr.Result[0] = cdr.StatP;
619 cdr.Result[1] = itob(cdr.CurTrack);
620 cdr.Result[2] = itob(fake_subq_index);
622 cdr.Result[3] = itob( fake_subq_real[0] );
623 cdr.Result[4] = itob( fake_subq_real[1] );
624 cdr.Result[5] = itob( fake_subq_real[2] );
627 // Rayman: Logo freeze (resultready + dataready)
629 cdr.Stat = DataReady;
632 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
636 void cdrPlayInterrupt()
638 if( !cdr.Play ) return;
641 CDR_LOG( "CDDA - %d:%d:%d\n",
642 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
644 CDRPLAY_INT( cdReadTime );
646 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
647 cdrPlayInterrupt_Autopause();
649 cdr.SetSectorPlay[2]++;
650 if (cdr.SetSectorPlay[2] == 75) {
651 cdr.SetSectorPlay[2] = 0;
652 cdr.SetSectorPlay[1]++;
653 if (cdr.SetSectorPlay[1] == 60) {
654 cdr.SetSectorPlay[1] = 0;
655 cdr.SetSectorPlay[0]++;
662 void cdrInterrupt() {
664 unsigned char Irq = cdr.Irq;
679 cdr.StatP |= STATUS_ROTATING;
680 cdr.Result[0] = cdr.StatP;
681 cdr.Stat = Acknowledge;
686 cdr.Result[0] = cdr.StatP;
687 cdr.Stat = Acknowledge;
689 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
695 cdr.StatP |= STATUS_ROTATING;
696 cdr.Result[0] = cdr.StatP;
697 cdr.Stat = Acknowledge;
701 fake_subq_change = 0;
703 if( cdr.Seeked == FALSE ) {
704 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
709 Rayman: detect track changes
712 Twisted Metal 2: skip PREGAP + starting accurate SubQ
713 - plays tracks without retry play
715 Wild 9: skip PREGAP + starting accurate SubQ
716 - plays tracks without retry play
718 /* unneeded with correct cdriso?
722 ReadTrack( cdr.SetSectorPlay );
724 // GameShark CD Player: Calls 2x + Play 2x
725 if( cdr.FastBackward || cdr.FastForward ) {
726 if( cdr.FastForward ) cdr.FastForward--;
727 if( cdr.FastBackward ) cdr.FastBackward--;
729 if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
730 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
731 cdr.SetSectorPlay[0] = stat.Time[0];
732 cdr.SetSectorPlay[1] = stat.Time[1];
733 cdr.SetSectorPlay[2] = stat.Time[2];
741 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
743 // GameShark CD Player: Resume play
744 if( cdr.ParamC == 0 ) {
746 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
747 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
750 //CDR_play( cdr.SetSectorPlay );
754 // BIOS CD Player: Resume play
755 if( cdr.Param[0] == 0 ) {
757 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
758 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
761 //CDR_play( cdr.SetSectorPlay );
765 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
766 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
769 // BIOS CD Player: Allow track replaying
773 cdr.CurTrack = btoi( cdr.Param[0] );
775 if (CDR_getTN(cdr.ResultTN) != -1) {
777 if (cdr.CurTrack > cdr.ResultTN[1])
778 cdr.CurTrack = cdr.ResultTN[1];
780 if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
781 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
782 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
783 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
788 ReadTrack( cdr.SetSectorPlay );
790 //CDR_play(cdr.SetSectorPlay);
798 // Vib Ribbon: gameplay checks flag
799 cdr.StatP &= ~STATUS_SEEK;
804 cdr.StatP |= STATUS_ROTATING;
805 cdr.Result[0] = cdr.StatP;
806 cdr.Stat = Acknowledge;
808 cdr.StatP |= STATUS_PLAY;
811 // BIOS player - set flag again
814 CDRPLAY_INT( cdReadTime );
820 cdr.StatP |= STATUS_ROTATING;
821 cdr.Result[0] = cdr.StatP;
825 // GameShark CD Player: Calls 2x + Play 2x
826 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
827 else cdr.FastForward++;
829 cdr.FastBackward = 0;
835 cdr.StatP |= STATUS_ROTATING;
836 cdr.Result[0] = cdr.StatP;
840 // GameShark CD Player: Calls 2x + Play 2x
841 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
842 else cdr.FastBackward++;
850 cdr.StatP |= STATUS_ROTATING;
851 cdr.Result[0] = cdr.StatP;
858 cdr.StatP &= ~STATUS_ROTATING;
859 cdr.Result[0] = cdr.StatP;
861 // cdr.Stat = Acknowledge;
863 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
868 cdr.Result[0] = cdr.StatP;
869 cdr.Stat = Acknowledge;
872 Gundam Battle Assault 2: much slower (*)
873 - Fixes boot, gameplay
875 Hokuto no Ken 2: slower
876 - Fixes intro + subtitles
878 InuYasha - Feudal Fairy Tale: slower
881 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
885 case CdlPause + 0x20:
887 cdr.StatP &= ~STATUS_READ;
888 cdr.StatP |= STATUS_ROTATING;
889 cdr.Result[0] = cdr.StatP;
895 cdr.StatP = STATUS_ROTATING;
896 cdr.Result[0] = cdr.StatP;
897 cdr.Stat = Acknowledge;
899 AddIrqQueue(CdlInit + 0x20, 0x800);
905 cdr.Result[0] = cdr.StatP;
912 cdr.StatP |= STATUS_ROTATING;
913 cdr.Result[0] = cdr.StatP;
914 cdr.Stat = Acknowledge;
919 cdr.StatP |= STATUS_ROTATING;
920 cdr.Result[0] = cdr.StatP;
921 cdr.Stat = Acknowledge;
926 cdr.StatP |= STATUS_ROTATING;
927 cdr.Result[0] = cdr.StatP;
928 cdr.Stat = Acknowledge;
933 cdr.StatP |= STATUS_ROTATING;
934 cdr.Result[0] = cdr.StatP;
935 cdr.Stat = Acknowledge;
940 cdr.StatP |= STATUS_ROTATING;
941 cdr.Result[0] = cdr.StatP;
942 cdr.Result[1] = cdr.Mode;
943 cdr.Result[2] = cdr.File;
944 cdr.Result[3] = cdr.Channel;
947 cdr.Stat = Acknowledge;
952 for (i = 0; i < 8; i++)
953 cdr.Result[i] = cdr.Transfer[i];
954 cdr.Stat = Acknowledge;
958 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
960 memset( cdr.Result, 0, 16 );
962 subq = (struct SubQ *)CDR_getBufferSub();
965 if( cdr.Play && (cdr.Mode & MODE_CDDA) && !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
967 ReadTrack( cdr.SetSectorPlay );
969 cdr.Result[0] = subq->TrackNumber;
970 cdr.Result[1] = subq->IndexNumber;
971 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
972 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
975 // subQ integrity check - data only (skip audio)
976 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
977 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
978 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
982 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
987 cdr.Result[0] = itob(cdr.CurTrack);
988 cdr.Result[1] = itob(fake_subq_index);
991 cdr.Result[2] = itob( fake_subq_local[0] );
992 cdr.Result[3] = itob( fake_subq_local[1] );
993 cdr.Result[4] = itob( fake_subq_local[2] );
996 cdr.Result[5] = itob( fake_subq_real[0] );
997 cdr.Result[6] = itob( fake_subq_real[1] );
998 cdr.Result[7] = itob( fake_subq_real[2] );
1001 // redump.org - wipe time
1002 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
1003 memset( cdr.Result+2, 0, 6 );
1006 cdr.Stat = Acknowledge;
1010 // 5-Star Racing: don't stop CDDA
1012 // Vib Ribbon: CD swap
1017 cdr.StatP |= STATUS_ROTATING;
1018 cdr.Result[0] = cdr.StatP;
1019 if (CDR_getTN(cdr.ResultTN) == -1) {
1020 cdr.Stat = DiskError;
1021 cdr.Result[0] |= STATUS_ERROR;
1023 cdr.Stat = Acknowledge;
1024 cdr.Result[1] = itob(cdr.ResultTN[0]);
1025 cdr.Result[2] = itob(cdr.ResultTN[1]);
1031 cdr.Track = btoi(cdr.Param[0]);
1033 cdr.StatP |= STATUS_ROTATING;
1034 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1035 cdr.Stat = DiskError;
1036 cdr.Result[0] |= STATUS_ERROR;
1038 cdr.Stat = Acknowledge;
1039 cdr.Result[0] = cdr.StatP;
1040 cdr.Result[1] = itob(cdr.ResultTD[2]);
1041 cdr.Result[2] = itob(cdr.ResultTD[1]);
1042 cdr.Result[3] = itob(cdr.ResultTD[0]);
1048 cdr.StatP |= STATUS_ROTATING;
1049 cdr.Result[0] = cdr.StatP;
1050 cdr.StatP |= STATUS_SEEK;
1051 cdr.Stat = Acknowledge;
1054 Crusaders of Might and Magic = 0.5x-4x
1055 - fix cutscene speech start
1057 Eggs of Steel = 2x-?
1061 - fix cutscene speech
1066 AddIrqQueue(CdlSeekL + 0x20, cdReadTime * 4);
1069 case CdlSeekL + 0x20:
1071 cdr.StatP |= STATUS_ROTATING;
1072 cdr.StatP &= ~STATUS_SEEK;
1073 cdr.Result[0] = cdr.StatP;
1075 cdr.Stat = Complete;
1078 // Mega Man Legends 2: must update read cursor for getlocp
1079 ReadTrack( cdr.SetSector );
1084 cdr.StatP |= STATUS_ROTATING;
1085 cdr.Result[0] = cdr.StatP;
1086 cdr.StatP |= STATUS_SEEK;
1087 cdr.Stat = Acknowledge;
1088 AddIrqQueue(CdlSeekP + 0x20, cdReadTime * 1);
1091 case CdlSeekP + 0x20:
1093 cdr.StatP |= STATUS_ROTATING;
1094 cdr.StatP &= ~STATUS_SEEK;
1095 cdr.Result[0] = cdr.StatP;
1096 cdr.Stat = Complete;
1099 // GameShark Music Player
1100 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
1102 // Tomb Raider 2: must update read cursor for getlocp
1104 ReadTrack( cdr.SetSectorPlay );
1108 cdr.Stat = Acknowledge;
1109 switch (cdr.Param[0]) {
1110 case 0x20: // System Controller ROM Version
1112 memcpy(cdr.Result, Test20, 4);
1116 memcpy(cdr.Result, Test22, 4);
1118 case 0x23: case 0x24:
1120 memcpy(cdr.Result, Test23, 4);
1127 cdr.StatP |= STATUS_ROTATING;
1128 cdr.Result[0] = cdr.StatP;
1129 cdr.Stat = Acknowledge;
1130 AddIrqQueue(CdlID + 0x20, 0x800);
1136 if (CDR_getStatus(&stat) == -1) {
1137 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1138 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1141 if (stat.Type == 2) {
1143 cdr.Result[0] = 0x08;
1144 cdr.Result[1] = 0x10;
1146 cdr.Result[1] |= 0x80;
1150 if (CdromId[0] == '\0') {
1151 cdr.Result[0] = 0x00;
1152 cdr.Result[1] = 0x80;
1155 cdr.Result[0] = 0x08;
1156 cdr.Result[1] = 0x00;
1161 cdr.Result[2] = 0x00;
1162 cdr.Result[3] = 0x00;
1163 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1164 cdr.Stat = Complete;
1169 cdr.StatP = STATUS_ROTATING;
1170 cdr.Result[0] = cdr.StatP;
1171 cdr.Stat = Acknowledge;
1176 cdr.StatP |= STATUS_ROTATING;
1177 cdr.Result[0] = cdr.StatP;
1178 cdr.Stat = Acknowledge;
1179 AddIrqQueue(CdlReadT + 0x20, 0x800);
1182 case CdlReadT + 0x20:
1184 cdr.StatP |= STATUS_ROTATING;
1185 cdr.Result[0] = cdr.StatP;
1186 cdr.Stat = Complete;
1191 cdr.StatP |= STATUS_ROTATING;
1192 cdr.Result[0] = cdr.StatP;
1193 cdr.Stat = Acknowledge;
1194 AddIrqQueue(CdlReadToc + 0x20, 0x800);
1197 case CdlReadToc + 0x20:
1199 cdr.StatP |= STATUS_ROTATING;
1200 cdr.Result[0] = cdr.StatP;
1201 cdr.Stat = Complete;
1206 /* SetResultSize(1);
1212 cdr.Result[0] = cdr.StatP;
1214 */ AddIrqQueue(CdlPause, 0x800);
1218 if (!cdr.Reading) return;
1221 // Fighting Force 2 - update subq time immediately
1223 ReadTrack( cdr.SetSector );
1226 // Crusaders of Might and Magic - update getlocl now
1227 // - fixes cutscene speech
1229 u8 *buf = CDR_getBuffer();
1231 memcpy(cdr.Transfer, buf, 8);
1236 Duke Nukem: Land of the Babes - seek then delay read for one frame
1238 C-12 - Final Resistance - doesn't like seek
1244 cdr.StatP |= STATUS_SEEK;
1245 cdr.StatP &= ~STATUS_READ;
1247 // Crusaders of Might and Magic - use short time
1248 // - fix cutscene speech (startup)
1250 // ??? - use more accurate seek time later
1251 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1253 cdr.StatP |= STATUS_READ;
1254 cdr.StatP &= ~STATUS_SEEK;
1256 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1260 cdr.StatP |= STATUS_ROTATING;
1261 cdr.Result[0] = cdr.StatP;
1262 cdr.Stat = Acknowledge;
1269 cdr.Stat = Complete;
1278 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1279 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1283 CDR_LOG("cdrInterrupt() Log: CDR Interrupt IRQ %x\n", Irq);
1287 void cdrReadInterrupt() {
1293 if (cdr.Irq || cdr.Stat) {
1299 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1304 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1305 cdr.StatP &= ~STATUS_SEEK;
1306 cdr.Result[0] = cdr.StatP;
1308 ReadTrack( cdr.SetSector );
1310 buf = CDR_getBuffer();
1314 if (cdr.RErr == -1) {
1316 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1318 memset(cdr.Transfer, 0, DATA_SIZE);
1319 cdr.Stat = DiskError;
1320 cdr.Result[0] |= STATUS_ERROR;
1321 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1325 memcpy(cdr.Transfer, buf, DATA_SIZE);
1326 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1330 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1333 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1334 // Firemen 2: Multi-XA files - briefings, cutscenes
1335 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1336 cdr.File = cdr.Transfer[4 + 0];
1337 cdr.Channel = cdr.Transfer[4 + 1];
1340 if ((cdr.Transfer[4 + 2] & 0x4) &&
1341 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1342 (cdr.Transfer[4 + 0] == cdr.File)) {
1343 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1346 // only handle attenuator basic channel switch for now
1347 if (cdr.Xa.stereo) {
1349 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1350 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1352 for (i = 0; i < cdr.Xa.nsamples; i++)
1353 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1355 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1356 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1358 for (i = 0; i < cdr.Xa.nsamples; i++)
1359 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1363 SPU_playADPCMchannel(&cdr.Xa);
1364 cdr.FirstSector = 0;
1367 // Crash Team Racing: music, speech
1368 // - done using cdda decoded buffer (spu irq)
1371 // signal ADPCM data ready
1372 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
1375 else cdr.FirstSector = -1;
1380 if (cdr.SetSector[2] == 75) {
1381 cdr.SetSector[2] = 0;
1383 if (cdr.SetSector[1] == 60) {
1384 cdr.SetSector[1] = 0;
1391 // G-Police: Don't autopause ADPCM even if mode set (music)
1392 if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
1393 (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
1395 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1397 // AddIrqQueue(AUTOPAUSE, 0x2000);
1398 AddIrqQueue(CdlPause, 0x2000);
1401 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1405 Croc 2: $40 - only FORM1 (*)
1406 Judge Dredd: $C8 - only FORM1 (*)
1407 Sim Theme Park - no adpcm at all (zero)
1410 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1411 cdr.Stat = DataReady;
1413 // Breath of Fire 3 - fix inn sleeping
1414 // Rockman X5 - no music restart problem
1417 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1424 bit 0 - 0 REG1 command send / 1 REG1 data read
1425 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1429 bit 5 - 1 result ready
1431 bit 7 - 1 command being processed
1434 unsigned char cdrRead0(void) {
1435 if (cdr.ResultReady)
1443 // cdr.Ctrl &= ~0x40;
1445 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1449 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1452 return psxHu8(0x1800) = cdr.Ctrl;
1457 0 - to send a command / 1 - to get the result
1460 void cdrWrite0(unsigned char rt) {
1462 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1464 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
1467 unsigned char cdrRead1(void) {
1468 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
1469 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1470 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1472 if (cdr.ResultP == cdr.ResultC)
1473 cdr.ResultReady = 0;
1478 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1480 return psxHu8(0x1801);
1483 void cdrWrite1(unsigned char rt) {
1488 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1492 // Tekken: CDXA fade-out
1493 if( (cdr.Ctrl & 3) == 3 ) {
1494 cdr.AttenuatorRight[0] = rt;
1498 // psxHu8(0x1801) = rt;
1503 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1505 SysPrintf(" Param[%d] = {", cdr.ParamC);
1506 for (i = 0; i < cdr.ParamC; i++)
1507 SysPrintf(" %x,", cdr.Param[i]);
1514 if (cdr.Ctrl & 0x3) return;
1516 cdr.ResultReady = 0;
1522 AddIrqQueue(cdr.Cmd, 0x800);
1529 // Twisted Metal 3 - fix music
1530 AddIrqQueue(cdr.Cmd, 0x800);
1535 for (i = 0; i < 3; i++)
1536 set_loc[i] = btoi(cdr.Param[i]);
1537 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1540 memcpy(cdr.SetSector, set_loc, 3);
1541 cdr.SetSector[3] = 0;
1544 if ((cdr.SetSector[0] | cdr.SetSector[1] | cdr.SetSector[2]) == 0) {
1545 *(u32 *)cdr.SetSector = *(u32 *)cdr.SetSectorSeek;
1550 AddIrqQueue(cdr.Cmd, 0x800);
1554 // Vib Ribbon: try same track again
1557 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1558 if (CDR_getTN(cdr.ResultTN) != -1) {
1559 if (cdr.CurTrack > cdr.ResultTN[1])
1560 cdr.CurTrack = cdr.ResultTN[1];
1561 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1562 int tmp = cdr.ResultTD[2];
1563 cdr.ResultTD[2] = cdr.ResultTD[0];
1564 cdr.ResultTD[0] = tmp;
1565 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1568 } else if (!Config.Cdda) {
1569 CDR_play(cdr.SetSector);
1572 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1573 // - fixes ribbon timing + music CD mode
1575 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1580 cdr.StatP |= STATUS_SEEK;
1581 cdr.StatP &= ~STATUS_ROTATING;
1585 AddIrqQueue(cdr.Cmd, 0x800);
1589 //if (cdr.CurTrack < 0xaa)
1593 AddIrqQueue(cdr.Cmd, 0x800);
1597 //if (cdr.CurTrack > 1)
1601 AddIrqQueue(cdr.Cmd, 0x800);
1609 StartReading(1, 0x800);
1617 AddIrqQueue(cdr.Cmd, 0x800);
1621 // GameShark CD Player: Reset CDDA to track start
1622 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1623 cdr.SetSectorPlay[0] = stat.Time[0];
1624 cdr.SetSectorPlay[1] = stat.Time[1];
1625 cdr.SetSectorPlay[2] = stat.Time[2];
1630 // grab time for current track
1631 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1633 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1634 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1635 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1643 AddIrqQueue(cdr.Cmd, 0x800);
1648 GameShark CD Player: save time for resume
1650 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1658 AddIrqQueue(cdr.Cmd, 0x800);
1667 AddIrqQueue(cdr.Cmd, 0x800);
1674 AddIrqQueue(cdr.Cmd, 0x800);
1676 // Duke Nukem - Time to Kill
1677 // - do not directly set cd-xa volume
1678 //SPU_writeRegister( H_CDLeft, 0x0000 );
1679 //SPU_writeRegister( H_CDRight, 0x0000 );
1686 AddIrqQueue(cdr.Cmd, 0x800);
1688 // Duke Nukem - Time to Kill
1689 // - do not directly set cd-xa volume
1690 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1691 //SPU_writeRegister( H_CDRight, 0x7f00 );
1695 cdr.File = cdr.Param[0];
1696 cdr.Channel = cdr.Param[1];
1699 AddIrqQueue(cdr.Cmd, 0x800);
1704 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1706 cdr.Mode = cdr.Param[0];
1709 AddIrqQueue(cdr.Cmd, 0x800);
1711 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1712 // - fixes choppy movie sound
1713 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1720 AddIrqQueue(cdr.Cmd, 0x800);
1727 // Crusaders of Might and Magic - cutscene speech
1728 AddIrqQueue(cdr.Cmd, 0x800);
1735 // GameShark CDX / Lite Player: pretty narrow time window
1736 // - doesn't always work due to time inprecision
1737 //AddIrqQueue(cdr.Cmd, 0x28);
1739 // Tomb Raider 2 - cdda
1740 //AddIrqQueue(cdr.Cmd, 0x40);
1742 // rearmed: the above works in pcsxr-svn, but breaks here
1743 // (TOCA world touring cars), perhaps some other code is not merged yet
1744 AddIrqQueue(cdr.Cmd, 0x1000);
1750 //AddIrqQueue(cdr.Cmd, 0x800);
1752 // GameShark CDX CD Player: very long time
1753 AddIrqQueue(cdr.Cmd, 0x100000);
1759 AddIrqQueue(cdr.Cmd, 0x800);
1763 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1766 AddIrqQueue(cdr.Cmd, 0x800);
1774 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1778 // Tomb Raider 2 - reset cdda
1782 AddIrqQueue(cdr.Cmd, 0x800);
1785 // Destruction Derby: read TOC? GetTD after this
1789 AddIrqQueue(cdr.Cmd, 0x800);
1795 AddIrqQueue(cdr.Cmd, 0x800);
1801 AddIrqQueue(cdr.Cmd, 0x800);
1809 StartReading(2, 0x800);
1815 AddIrqQueue(cdr.Cmd, 0x800);
1822 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1826 if (cdr.Stat != NoIntr) {
1827 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1831 unsigned char cdrRead2(void) {
1834 if (cdr.Readed == 0) {
1841 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1846 void cdrWrite2(unsigned char rt) {
1848 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1851 // Tekken: CDXA fade-out
1852 if( (cdr.Ctrl & 3) == 2 ) {
1853 cdr.AttenuatorLeft[0] = rt;
1855 else if( (cdr.Ctrl & 3) == 3 ) {
1856 cdr.AttenuatorRight[1] = rt;
1860 if (cdr.Ctrl & 0x1) {
1865 cdr.ResultReady = 1; //0;
1866 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1873 } else if (!(cdr.Ctrl & 0x3) && cdr.ParamP < 8) {
1874 cdr.Param[cdr.ParamP++] = rt;
1879 unsigned char cdrRead3(void) {
1882 psxHu8(0x1803) = cdr.Stat | 0xE0;
1884 psxHu8(0x1803) = 0xff;
1889 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1891 return psxHu8(0x1803);
1894 void cdrWrite3(unsigned char rt) {
1896 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1899 // Tekken: CDXA fade-out
1900 if( (cdr.Ctrl & 3) == 2 ) {
1901 cdr.AttenuatorLeft[1] = rt;
1903 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
1905 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1906 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1907 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1912 // GameShark CDX CD Player: Irq timing mania
1914 cdr.Irq != 0 && cdr.Irq != 0xff &&
1915 cdr.ResultReady == 0 ) {
1917 // GS CDX: ~0x28 cycle timing - way too precise
1918 if( cdr.Irq == CdlGetlocP ) {
1921 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1926 if (rt == 0x07 && (cdr.Ctrl & 3) == 1) {
1929 if (cdr.Irq == 0xff) {
1934 // XA streaming - incorrect timing because of this reschedule
1935 // - Final Fantasy Tactics
1936 // - various other games
1938 if (cdr.Reading && !cdr.ResultReady) {
1939 int left = psxRegs.intCycle[PSXINT_CDREAD].sCycle + psxRegs.intCycle[PSXINT_CDREAD].cycle - psxRegs.cycle;
1940 int time = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime;
1941 if (Config.CdrReschedule != 2)
1942 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
1943 //printf("-- resched %d -> %d\n", left, time);
1951 if (rt == 0x80 && !(cdr.Ctrl & 0x3) && cdr.Readed == 0) {
1953 pTransfer = cdr.Transfer;
1955 switch (cdr.Mode & 0x30) {
1956 case MODE_SIZE_2328:
1961 case MODE_SIZE_2340:
1971 void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1977 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1983 if (cdr.Readed == 0) {
1985 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1990 cdsize = (bcr & 0xffff) * 4;
1992 // Ape Escape: bcr = 0001 / 0000
1996 switch (cdr.Mode & 0x30) {
1997 case 0x00: cdsize = 2048; break;
1998 case MODE_SIZE_2328: cdsize = 2328; break;
1999 case MODE_SIZE_2340: cdsize = 2340; break;
2004 ptr = (u8 *)PSXM(madr);
2007 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
2013 GS CDX: Enhancement CD crash
2016 - Spams DMA3 and gets buffer overrun
2018 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
2023 memcpy(ptr, pTransfer, size);
2026 psxCpu->Clear(madr, cdsize / 4);
2027 pTransfer += cdsize;
2031 if( chcr == 0x11400100 ) {
2032 CDRDMA_INT( (cdsize/4) / 4 );
2034 else if( chcr == 0x11000000 ) {
2035 CDRDMA_INT( (cdsize/4) * 1 );
2041 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2046 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2050 void cdrDmaInterrupt()
2052 if (HW_DMA3_CHCR & SWAP32(0x01000000))
2054 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2060 memset(&cdr, 0, sizeof(cdr));
2064 pTransfer = cdr.Transfer;
2066 // BIOS player - default values
2067 cdr.AttenuatorLeft[0] = 0x80;
2068 cdr.AttenuatorLeft[1] = 0x00;
2069 cdr.AttenuatorRight[0] = 0x80;
2070 cdr.AttenuatorRight[1] = 0x00;
2073 int cdrFreeze(gzFile f, int Mode) {
2080 gzfreeze(&cdr, sizeof(cdr));
2083 tmp = pTransfer - cdr.Transfer;
2085 gzfreeze(&tmp, sizeof(tmp));
2088 pTransfer = cdr.Transfer + tmp;
2090 if (cdr.Play && !Config.Cdda)
2091 CDR_play(cdr.SetSectorPlay);
2097 void LidInterrupt() {
2098 cdr.LidCheck = 0x20; // start checker
2100 CDRLID_INT( cdReadTime * 3 );
2102 // generate interrupt if none active - open or close
2103 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2106 AddIrqQueue(CdlNop, 0x800);