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();
966 ReadTrack( cdr.SetSectorPlay );
968 cdr.Result[0] = subq->TrackNumber;
969 cdr.Result[1] = subq->IndexNumber;
970 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
971 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
974 // subQ integrity check - data only (skip audio)
975 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
976 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
977 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
981 if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
986 cdr.Result[0] = itob(cdr.CurTrack);
987 cdr.Result[1] = itob(fake_subq_index);
990 cdr.Result[2] = itob( fake_subq_local[0] );
991 cdr.Result[3] = itob( fake_subq_local[1] );
992 cdr.Result[4] = itob( fake_subq_local[2] );
995 cdr.Result[5] = itob( fake_subq_real[0] );
996 cdr.Result[6] = itob( fake_subq_real[1] );
997 cdr.Result[7] = itob( fake_subq_real[2] );
1000 // redump.org - wipe time
1001 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
1002 memset( cdr.Result+2, 0, 6 );
1005 cdr.Stat = Acknowledge;
1009 // 5-Star Racing: don't stop CDDA
1011 // Vib Ribbon: CD swap
1016 cdr.StatP |= STATUS_ROTATING;
1017 cdr.Result[0] = cdr.StatP;
1018 if (CDR_getTN(cdr.ResultTN) == -1) {
1019 cdr.Stat = DiskError;
1020 cdr.Result[0] |= STATUS_ERROR;
1022 cdr.Stat = Acknowledge;
1023 cdr.Result[1] = itob(cdr.ResultTN[0]);
1024 cdr.Result[2] = itob(cdr.ResultTN[1]);
1030 cdr.Track = btoi(cdr.Param[0]);
1032 cdr.StatP |= STATUS_ROTATING;
1033 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
1034 cdr.Stat = DiskError;
1035 cdr.Result[0] |= STATUS_ERROR;
1037 cdr.Stat = Acknowledge;
1038 cdr.Result[0] = cdr.StatP;
1039 cdr.Result[1] = itob(cdr.ResultTD[2]);
1040 cdr.Result[2] = itob(cdr.ResultTD[1]);
1041 cdr.Result[3] = itob(cdr.ResultTD[0]);
1047 cdr.StatP |= STATUS_ROTATING;
1048 cdr.Result[0] = cdr.StatP;
1049 cdr.StatP |= STATUS_SEEK;
1050 cdr.Stat = Acknowledge;
1053 Crusaders of Might and Magic = 0.5x-4x
1054 - fix cutscene speech start
1056 Eggs of Steel = 2x-?
1060 - fix cutscene speech
1065 AddIrqQueue(CdlSeekL + 0x20, cdReadTime * 4);
1068 case CdlSeekL + 0x20:
1070 cdr.StatP |= STATUS_ROTATING;
1071 cdr.StatP &= ~STATUS_SEEK;
1072 cdr.Result[0] = cdr.StatP;
1074 cdr.Stat = Complete;
1077 // Mega Man Legends 2: must update read cursor for getlocp
1078 ReadTrack( cdr.SetSector );
1083 cdr.StatP |= STATUS_ROTATING;
1084 cdr.Result[0] = cdr.StatP;
1085 cdr.StatP |= STATUS_SEEK;
1086 cdr.Stat = Acknowledge;
1087 AddIrqQueue(CdlSeekP + 0x20, cdReadTime * 1);
1090 case CdlSeekP + 0x20:
1092 cdr.StatP |= STATUS_ROTATING;
1093 cdr.StatP &= ~STATUS_SEEK;
1094 cdr.Result[0] = cdr.StatP;
1095 cdr.Stat = Complete;
1098 // GameShark Music Player
1099 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
1101 // Tomb Raider 2: must update read cursor for getlocp
1103 ReadTrack( cdr.SetSectorPlay );
1107 cdr.Stat = Acknowledge;
1108 switch (cdr.Param[0]) {
1109 case 0x20: // System Controller ROM Version
1111 memcpy(cdr.Result, Test20, 4);
1115 memcpy(cdr.Result, Test22, 4);
1117 case 0x23: case 0x24:
1119 memcpy(cdr.Result, Test23, 4);
1126 cdr.StatP |= STATUS_ROTATING;
1127 cdr.Result[0] = cdr.StatP;
1128 cdr.Stat = Acknowledge;
1129 AddIrqQueue(CdlID + 0x20, 0x800);
1135 if (CDR_getStatus(&stat) == -1) {
1136 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1137 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1140 if (stat.Type == 2) {
1142 cdr.Result[0] = 0x08;
1143 cdr.Result[1] = 0x10;
1145 cdr.Result[1] |= 0x80;
1149 if (CdromId[0] == '\0') {
1150 cdr.Result[0] = 0x00;
1151 cdr.Result[1] = 0x80;
1154 cdr.Result[0] = 0x08;
1155 cdr.Result[1] = 0x00;
1160 cdr.Result[2] = 0x00;
1161 cdr.Result[3] = 0x00;
1162 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1163 cdr.Stat = Complete;
1168 cdr.StatP = STATUS_ROTATING;
1169 cdr.Result[0] = cdr.StatP;
1170 cdr.Stat = Acknowledge;
1175 cdr.StatP |= STATUS_ROTATING;
1176 cdr.Result[0] = cdr.StatP;
1177 cdr.Stat = Acknowledge;
1178 AddIrqQueue(CdlReadT + 0x20, 0x800);
1181 case CdlReadT + 0x20:
1183 cdr.StatP |= STATUS_ROTATING;
1184 cdr.Result[0] = cdr.StatP;
1185 cdr.Stat = Complete;
1190 cdr.StatP |= STATUS_ROTATING;
1191 cdr.Result[0] = cdr.StatP;
1192 cdr.Stat = Acknowledge;
1193 AddIrqQueue(CdlReadToc + 0x20, 0x800);
1196 case CdlReadToc + 0x20:
1198 cdr.StatP |= STATUS_ROTATING;
1199 cdr.Result[0] = cdr.StatP;
1200 cdr.Stat = Complete;
1205 /* SetResultSize(1);
1211 cdr.Result[0] = cdr.StatP;
1213 */ AddIrqQueue(CdlPause, 0x800);
1217 if (!cdr.Reading) return;
1220 // Fighting Force 2 - update subq time immediately
1222 ReadTrack( cdr.SetSector );
1225 // Crusaders of Might and Magic - update getlocl now
1226 // - fixes cutscene speech
1228 u8 *buf = CDR_getBuffer();
1230 memcpy(cdr.Transfer, buf, 8);
1235 Duke Nukem: Land of the Babes - seek then delay read for one frame
1237 C-12 - Final Resistance - doesn't like seek
1243 cdr.StatP |= STATUS_SEEK;
1244 cdr.StatP &= ~STATUS_READ;
1246 // Crusaders of Might and Magic - use short time
1247 // - fix cutscene speech (startup)
1249 // ??? - use more accurate seek time later
1250 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1252 cdr.StatP |= STATUS_READ;
1253 cdr.StatP &= ~STATUS_SEEK;
1255 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1259 cdr.StatP |= STATUS_ROTATING;
1260 cdr.Result[0] = cdr.StatP;
1261 cdr.Stat = Acknowledge;
1268 cdr.Stat = Complete;
1277 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1278 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1282 CDR_LOG("cdrInterrupt() Log: CDR Interrupt IRQ %x\n", Irq);
1286 void cdrReadInterrupt() {
1292 if (cdr.Irq || cdr.Stat) {
1298 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1303 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1304 cdr.StatP &= ~STATUS_SEEK;
1305 cdr.Result[0] = cdr.StatP;
1307 ReadTrack( cdr.SetSector );
1309 buf = CDR_getBuffer();
1313 if (cdr.RErr == -1) {
1315 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1317 memset(cdr.Transfer, 0, DATA_SIZE);
1318 cdr.Stat = DiskError;
1319 cdr.Result[0] |= STATUS_ERROR;
1320 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1324 memcpy(cdr.Transfer, buf, DATA_SIZE);
1325 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1329 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1332 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1333 // Firemen 2: Multi-XA files - briefings, cutscenes
1334 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1335 cdr.File = cdr.Transfer[4 + 0];
1336 cdr.Channel = cdr.Transfer[4 + 1];
1339 if ((cdr.Transfer[4 + 2] & 0x4) &&
1340 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1341 (cdr.Transfer[4 + 0] == cdr.File)) {
1342 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1345 // only handle attenuator basic channel switch for now
1346 if (cdr.Xa.stereo) {
1348 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1349 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1351 for (i = 0; i < cdr.Xa.nsamples; i++)
1352 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1354 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1355 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1357 for (i = 0; i < cdr.Xa.nsamples; i++)
1358 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1362 SPU_playADPCMchannel(&cdr.Xa);
1363 cdr.FirstSector = 0;
1366 // Crash Team Racing: music, speech
1367 // - done using cdda decoded buffer (spu irq)
1370 // signal ADPCM data ready
1371 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
1374 else cdr.FirstSector = -1;
1379 if (cdr.SetSector[2] == 75) {
1380 cdr.SetSector[2] = 0;
1382 if (cdr.SetSector[1] == 60) {
1383 cdr.SetSector[1] = 0;
1390 // G-Police: Don't autopause ADPCM even if mode set (music)
1391 if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
1392 (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
1394 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1396 // AddIrqQueue(AUTOPAUSE, 0x2000);
1397 AddIrqQueue(CdlPause, 0x2000);
1400 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1404 Croc 2: $40 - only FORM1 (*)
1405 Judge Dredd: $C8 - only FORM1 (*)
1406 Sim Theme Park - no adpcm at all (zero)
1409 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1410 cdr.Stat = DataReady;
1412 // Breath of Fire 3 - fix inn sleeping
1413 // Rockman X5 - no music restart problem
1416 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1423 bit 0 - 0 REG1 command send / 1 REG1 data read
1424 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1428 bit 5 - 1 result ready
1430 bit 7 - 1 command being processed
1433 unsigned char cdrRead0(void) {
1434 if (cdr.ResultReady)
1442 // cdr.Ctrl &= ~0x40;
1444 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1448 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1451 return psxHu8(0x1800) = cdr.Ctrl;
1456 0 - to send a command / 1 - to get the result
1459 void cdrWrite0(unsigned char rt) {
1461 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1463 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
1466 unsigned char cdrRead1(void) {
1467 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
1468 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1469 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1471 if (cdr.ResultP == cdr.ResultC)
1472 cdr.ResultReady = 0;
1477 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1479 return psxHu8(0x1801);
1482 void cdrWrite1(unsigned char rt) {
1487 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1491 // Tekken: CDXA fade-out
1492 if( (cdr.Ctrl & 3) == 3 ) {
1493 cdr.AttenuatorRight[0] = rt;
1497 // psxHu8(0x1801) = rt;
1502 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1504 SysPrintf(" Param[%d] = {", cdr.ParamC);
1505 for (i = 0; i < cdr.ParamC; i++)
1506 SysPrintf(" %x,", cdr.Param[i]);
1513 if (cdr.Ctrl & 0x3) return;
1515 cdr.ResultReady = 0;
1521 AddIrqQueue(cdr.Cmd, 0x800);
1528 // Twisted Metal 3 - fix music
1529 AddIrqQueue(cdr.Cmd, 0x800);
1534 for (i = 0; i < 3; i++)
1535 set_loc[i] = btoi(cdr.Param[i]);
1536 i = abs(msf2sec(cdr.SetSector) - msf2sec(set_loc));
1539 memcpy(cdr.SetSector, set_loc, 3);
1540 cdr.SetSector[3] = 0;
1543 if ((cdr.SetSector[0] | cdr.SetSector[1] | cdr.SetSector[2]) == 0) {
1544 *(u32 *)cdr.SetSector = *(u32 *)cdr.SetSectorSeek;
1549 AddIrqQueue(cdr.Cmd, 0x800);
1553 // Vib Ribbon: try same track again
1556 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1557 if (CDR_getTN(cdr.ResultTN) != -1) {
1558 if (cdr.CurTrack > cdr.ResultTN[1])
1559 cdr.CurTrack = cdr.ResultTN[1];
1560 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1561 int tmp = cdr.ResultTD[2];
1562 cdr.ResultTD[2] = cdr.ResultTD[0];
1563 cdr.ResultTD[0] = tmp;
1564 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1567 } else if (!Config.Cdda) {
1568 CDR_play(cdr.SetSector);
1571 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1572 // - fixes ribbon timing + music CD mode
1574 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1579 cdr.StatP |= STATUS_SEEK;
1580 cdr.StatP &= ~STATUS_ROTATING;
1584 AddIrqQueue(cdr.Cmd, 0x800);
1588 //if (cdr.CurTrack < 0xaa)
1592 AddIrqQueue(cdr.Cmd, 0x800);
1596 //if (cdr.CurTrack > 1)
1600 AddIrqQueue(cdr.Cmd, 0x800);
1608 StartReading(1, 0x800);
1616 AddIrqQueue(cdr.Cmd, 0x800);
1620 // GameShark CD Player: Reset CDDA to track start
1621 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1622 cdr.SetSectorPlay[0] = stat.Time[0];
1623 cdr.SetSectorPlay[1] = stat.Time[1];
1624 cdr.SetSectorPlay[2] = stat.Time[2];
1629 // grab time for current track
1630 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1632 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1633 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1634 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1642 AddIrqQueue(cdr.Cmd, 0x800);
1647 GameShark CD Player: save time for resume
1649 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1657 AddIrqQueue(cdr.Cmd, 0x800);
1666 AddIrqQueue(cdr.Cmd, 0x800);
1673 AddIrqQueue(cdr.Cmd, 0x800);
1675 // Duke Nukem - Time to Kill
1676 // - do not directly set cd-xa volume
1677 //SPU_writeRegister( H_CDLeft, 0x0000 );
1678 //SPU_writeRegister( H_CDRight, 0x0000 );
1685 AddIrqQueue(cdr.Cmd, 0x800);
1687 // Duke Nukem - Time to Kill
1688 // - do not directly set cd-xa volume
1689 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1690 //SPU_writeRegister( H_CDRight, 0x7f00 );
1694 cdr.File = cdr.Param[0];
1695 cdr.Channel = cdr.Param[1];
1698 AddIrqQueue(cdr.Cmd, 0x800);
1703 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1705 cdr.Mode = cdr.Param[0];
1708 AddIrqQueue(cdr.Cmd, 0x800);
1710 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1711 // - fixes choppy movie sound
1712 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1719 AddIrqQueue(cdr.Cmd, 0x800);
1726 // Crusaders of Might and Magic - cutscene speech
1727 AddIrqQueue(cdr.Cmd, 0x800);
1734 // GameShark CDX / Lite Player: pretty narrow time window
1735 // - doesn't always work due to time inprecision
1736 //AddIrqQueue(cdr.Cmd, 0x28);
1738 // Tomb Raider 2 - cdda
1739 //AddIrqQueue(cdr.Cmd, 0x40);
1741 // rearmed: the above works in pcsxr-svn, but breaks here
1742 // (TOCA world touring cars), perhaps some other code is not merged yet
1743 AddIrqQueue(cdr.Cmd, 0x1000);
1749 //AddIrqQueue(cdr.Cmd, 0x800);
1751 // GameShark CDX CD Player: very long time
1752 AddIrqQueue(cdr.Cmd, 0x100000);
1758 AddIrqQueue(cdr.Cmd, 0x800);
1762 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1765 AddIrqQueue(cdr.Cmd, 0x800);
1773 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1777 // Tomb Raider 2 - reset cdda
1781 AddIrqQueue(cdr.Cmd, 0x800);
1784 // Destruction Derby: read TOC? GetTD after this
1788 AddIrqQueue(cdr.Cmd, 0x800);
1794 AddIrqQueue(cdr.Cmd, 0x800);
1800 AddIrqQueue(cdr.Cmd, 0x800);
1808 StartReading(2, 0x800);
1814 AddIrqQueue(cdr.Cmd, 0x800);
1821 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1825 if (cdr.Stat != NoIntr) {
1826 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1830 unsigned char cdrRead2(void) {
1833 if (cdr.Readed == 0) {
1840 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1845 void cdrWrite2(unsigned char rt) {
1847 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1850 // Tekken: CDXA fade-out
1851 if( (cdr.Ctrl & 3) == 2 ) {
1852 cdr.AttenuatorLeft[0] = rt;
1854 else if( (cdr.Ctrl & 3) == 3 ) {
1855 cdr.AttenuatorRight[1] = rt;
1859 if (cdr.Ctrl & 0x1) {
1864 cdr.ResultReady = 1; //0;
1865 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1872 } else if (!(cdr.Ctrl & 0x3) && cdr.ParamP < 8) {
1873 cdr.Param[cdr.ParamP++] = rt;
1878 unsigned char cdrRead3(void) {
1881 psxHu8(0x1803) = cdr.Stat | 0xE0;
1883 psxHu8(0x1803) = 0xff;
1888 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1890 return psxHu8(0x1803);
1893 void cdrWrite3(unsigned char rt) {
1895 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1898 // Tekken: CDXA fade-out
1899 if( (cdr.Ctrl & 3) == 2 ) {
1900 cdr.AttenuatorLeft[1] = rt;
1902 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
1904 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1905 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1906 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1911 // GameShark CDX CD Player: Irq timing mania
1913 cdr.Irq != 0 && cdr.Irq != 0xff &&
1914 cdr.ResultReady == 0 ) {
1916 // GS CDX: ~0x28 cycle timing - way too precise
1917 if( cdr.Irq == CdlGetlocP ) {
1920 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1925 if (rt == 0x07 && (cdr.Ctrl & 3) == 1) {
1928 if (cdr.Irq == 0xff) {
1933 // XA streaming - incorrect timing because of this reschedule
1934 // - Final Fantasy Tactics
1935 // - various other games
1937 if (cdr.Reading && !cdr.ResultReady) {
1938 int left = psxRegs.intCycle[PSXINT_CDREAD].sCycle + psxRegs.intCycle[PSXINT_CDREAD].cycle - psxRegs.cycle;
1939 int time = (cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime;
1940 if (Config.CdrReschedule != 2)
1941 if (left < time / 2 || Config.CdrReschedule) { // rearmed guesswork hack
1942 //printf("-- resched %d -> %d\n", left, time);
1950 if (rt == 0x80 && !(cdr.Ctrl & 0x3) && cdr.Readed == 0) {
1952 pTransfer = cdr.Transfer;
1954 switch (cdr.Mode & 0x30) {
1955 case MODE_SIZE_2328:
1960 case MODE_SIZE_2340:
1970 void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1976 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1982 if (cdr.Readed == 0) {
1984 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1989 cdsize = (bcr & 0xffff) * 4;
1991 // Ape Escape: bcr = 0001 / 0000
1995 switch (cdr.Mode & 0x30) {
1996 case 0x00: cdsize = 2048; break;
1997 case MODE_SIZE_2328: cdsize = 2328; break;
1998 case MODE_SIZE_2340: cdsize = 2340; break;
2003 ptr = (u8 *)PSXM(madr);
2006 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
2012 GS CDX: Enhancement CD crash
2015 - Spams DMA3 and gets buffer overrun
2017 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
2022 memcpy(ptr, pTransfer, size);
2025 psxCpu->Clear(madr, cdsize / 4);
2026 pTransfer += cdsize;
2030 if( chcr == 0x11400100 ) {
2031 CDRDMA_INT( (cdsize/4) / 4 );
2033 else if( chcr == 0x11000000 ) {
2034 CDRDMA_INT( (cdsize/4) * 1 );
2040 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
2045 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2049 void cdrDmaInterrupt()
2051 if (HW_DMA3_CHCR & SWAP32(0x01000000))
2053 HW_DMA3_CHCR &= SWAP32(~0x01000000);
2059 memset(&cdr, 0, sizeof(cdr));
2063 pTransfer = cdr.Transfer;
2065 // BIOS player - default values
2066 cdr.AttenuatorLeft[0] = 0x80;
2067 cdr.AttenuatorLeft[1] = 0x00;
2068 cdr.AttenuatorRight[0] = 0x80;
2069 cdr.AttenuatorRight[1] = 0x00;
2072 int cdrFreeze(gzFile f, int Mode) {
2079 gzfreeze(&cdr, sizeof(cdr));
2082 tmp = pTransfer - cdr.Transfer;
2084 gzfreeze(&tmp, sizeof(tmp));
2087 pTransfer = cdr.Transfer + tmp;
2089 if (cdr.Play && !Config.Cdda)
2090 CDR_play(cdr.SetSectorPlay);
2096 void LidInterrupt() {
2097 cdr.LidCheck = 0x20; // start checker
2099 CDRLID_INT( cdReadTime * 3 );
2101 // generate interrupt if none active - open or close
2102 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
2105 AddIrqQueue(CdlNop, 0x800);