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;
123 static struct SubQ *subq;
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 StartReading(type, eCycle) { \
160 cdr.Reading = type; \
161 cdr.FirstSector = 1; \
163 AddIrqQueue(READ_ACK, eCycle); \
166 #define StopReading() { \
169 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
171 cdr.StatP &= ~STATUS_READ;\
174 #define StopCdda() { \
176 if (!Config.Cdda) CDR_stop(); \
177 cdr.StatP &= ~STATUS_PLAY; \
179 cdr.FastForward = 0; \
180 cdr.FastBackward = 0; \
181 /*SPU_registerCallback( SPUirq );*/ \
185 #define SetResultSize(size) { \
187 cdr.ResultC = size; \
188 cdr.ResultReady = 1; \
192 void cdrLidSeekInterrupt()
194 // turn back on checking
195 if( cdr.LidCheck == 0x10 )
200 // official lid close
201 else if( cdr.LidCheck == 0x30 )
204 cdr.StatP |= STATUS_ROTATING;
207 // GS CDX 3.3 - ~50 getlocp tries
208 CDRLID_INT( cdReadTime * 3 );
213 else if( cdr.LidCheck == 0x40 )
216 cdr.StatP &= ~STATUS_SHELLOPEN;
217 cdr.StatP &= ~STATUS_ROTATING;
220 // GS CDX 3.3 - ~50 getlocp tries
221 CDRLID_INT( cdReadTime * 3 );
226 else if( cdr.LidCheck == 0x50 )
228 // GameShark Lite: Start seeking ($42)
229 cdr.StatP |= STATUS_SEEK;
230 cdr.StatP |= STATUS_ROTATING;
231 cdr.StatP &= ~STATUS_ERROR;
234 CDRLID_INT( cdReadTime * 3 );
239 else if( cdr.LidCheck == 0x60 )
241 // GameShark Lite: Seek detection done ($02)
242 cdr.StatP &= ~STATUS_SEEK;
249 static void Check_Shell( int Irq )
251 // check case open/close
252 if (cdr.LidCheck > 0)
255 CDR_LOG( "LidCheck\n" );
258 // $20 = check lid state
259 if( cdr.LidCheck == 0x20 )
264 if (CDR_getStatus(&stat) != -1)
266 if (stat.Type == 0xff)
267 cdr.Stat = DiskError;
270 else if (stat.Status & STATUS_SHELLOPEN)
272 // Vib Ribbon: pre-CD swap
276 // GameShark Lite: Death if DiskError happens
278 // Vib Ribbon: Needs DiskError for CD swap
282 cdr.Stat = DiskError;
284 cdr.StatP |= STATUS_ERROR;
285 cdr.Result[0] |= STATUS_ERROR;
288 // GameShark Lite: Wants -exactly- $10
289 cdr.StatP |= STATUS_SHELLOPEN;
290 cdr.StatP &= ~STATUS_ROTATING;
293 CDRLID_INT( cdReadTime * 3 );
301 else if ( i & STATUS_SHELLOPEN )
303 cdr.StatP |= STATUS_ROTATING;
308 if( cdr.Stat == NoIntr )
309 cdr.Stat = Acknowledge;
311 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
314 // begin close-seek-ready cycle
315 CDRLID_INT( cdReadTime * 3 );
319 // GameShark Lite: Wants -exactly- $42, then $02
320 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
323 // case still closed - wait for recheck
326 CDRLID_INT( cdReadTime * 3 );
333 // GS CDX: clear all values but #1,#2
334 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
337 memset( cdr.Result, 0, 16 );
339 cdr.Result[0] = cdr.StatP;
342 // GS CDX: special return value
343 if( cdr.StatP & STATUS_SHELLOPEN )
345 cdr.Result[1] = 0x80;
349 if( cdr.Stat == NoIntr )
350 cdr.Stat = Acknowledge;
352 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
358 void Find_CurTrack() {
361 if (CDR_getTN(cdr.ResultTN) != -1) {
364 for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
365 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
369 CDR_LOG( "curtrack %d %d %d | %d %d %d | %d\n",
370 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
371 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
375 // find next track boundary - only need m:s accuracy
376 sect1 = cdr.SetSectorPlay[0] * 60 * 75 + cdr.SetSectorPlay[1] * 75;
377 sect2 = cdr.ResultTD[2] * 60 * 75 + cdr.ResultTD[1] * 75;
379 // Twisted Metal 4 - psx cdda pregap (2-sec)
380 // - fix in-game music
383 if( sect1 >= sect2 ) {
394 static void ReadTrack( u8 *time ) {
395 cdr.Prev[0] = itob( time[0] );
396 cdr.Prev[1] = itob( time[1] );
397 cdr.Prev[2] = itob( time[2] );
400 CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
402 cdr.RErr = CDR_readTrack(cdr.Prev);
406 void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
410 // Doom: Force rescheduling
418 if (CDR_getTN(cdr.ResultTN) != -1) {
421 for( lcv = 1; lcv < cdr.ResultTN[1]; lcv++ ) {
422 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
424 CDR_LOG( "settrack %d %d %d | %d %d %d | %d\n",
425 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
426 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
430 // check if time matches track start (only need min, sec accuracy)
432 if( cdr.SetSectorPlay[0] == cdr.ResultTD[2] &&
433 cdr.SetSectorPlay[1] == cdr.ResultTD[1] ) {
434 // skip pregap frames
435 if( cdr.SetSectorPlay[2] < cdr.ResultTD[0] )
436 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
440 else if( cdr.SetSectorPlay[0] < cdr.ResultTD[2] )
448 static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
449 void Create_Fake_Subq()
451 u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
454 if (CDR_getTN(cdr.ResultTN) == -1) return;
455 if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
457 if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
459 // last track - cd size
461 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
464 if( cdr.Play == TRUE ) {
465 temp_cur[0] = cdr.SetSectorPlay[0];
466 temp_cur[1] = cdr.SetSectorPlay[1];
467 temp_cur[2] = cdr.SetSectorPlay[2];
469 temp_cur[0] = btoi( cdr.Prev[0] );
470 temp_cur[1] = btoi( cdr.Prev[1] );
471 temp_cur[2] = btoi( cdr.Prev[2] );
474 fake_subq_real[0] = temp_cur[0];
475 fake_subq_real[1] = temp_cur[1];
476 fake_subq_real[2] = temp_cur[2];
478 temp_next[0] = cdr.ResultTD[2];
479 temp_next[1] = cdr.ResultTD[1];
480 temp_next[2] = cdr.ResultTD[0];
484 if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
485 fake_subq_change = 1;
490 if( pregap == 0 ) StopCdda();
493 //////////////////////////////////////////////////
494 //////////////////////////////////////////////////
497 if( cdr.CurTrack <= cdr.ResultTN[1] ) {
498 if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
500 // last track - cd size
501 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
504 temp_start[0] = cdr.ResultTD[2];
505 temp_start[1] = cdr.ResultTD[1];
506 temp_start[2] = cdr.ResultTD[0];
510 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d / %d:%d:%d / %d:%d:%d\n",
511 temp_cur[0], temp_cur[1], temp_cur[2],
512 temp_start[0], temp_start[1], temp_start[2],
513 temp_next[0], temp_next[1], temp_next[2]);
518 // local time - pregap / real
519 diff = msf2sec(temp_cur) - msf2sec( temp_start );
523 sec2msf( -diff, fake_subq_local );
527 sec2msf( diff, fake_subq_local );
532 void cdrInterrupt() {
534 unsigned char Irq = cdr.Irq;
548 cdr.StatP |= STATUS_ROTATING;
549 cdr.Result[0] = cdr.StatP;
550 cdr.Stat = Acknowledge;
555 cdr.Result[0] = cdr.StatP;
556 cdr.Stat = Acknowledge;
558 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
564 cdr.StatP |= STATUS_ROTATING;
565 cdr.Result[0] = cdr.StatP;
566 cdr.Stat = Acknowledge;
570 fake_subq_change = 0;
572 if( cdr.Seeked == FALSE ) {
573 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
578 Rayman: detect track changes
581 Twisted Metal 2: skip PREGAP + starting accurate SubQ
582 - plays tracks without retry play
584 Wild 9: skip PREGAP + starting accurate SubQ
585 - plays tracks without retry play
589 ReadTrack( cdr.SetSectorPlay );
592 // GameShark CD Player: Calls 2x + Play 2x
593 if( cdr.FastBackward || cdr.FastForward ) {
594 if( cdr.FastForward ) cdr.FastForward--;
595 if( cdr.FastBackward ) cdr.FastBackward--;
597 if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
598 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
599 cdr.SetSectorPlay[0] = stat.Time[0];
600 cdr.SetSectorPlay[1] = stat.Time[1];
601 cdr.SetSectorPlay[2] = stat.Time[2];
609 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
611 // GameShark CD Player: Resume play
612 if( cdr.ParamC == 0 ) {
614 CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
615 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
618 //CDR_play( cdr.SetSectorPlay );
622 // BIOS CD Player: Resume play
623 if( cdr.Param[0] == 0 ) {
625 CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
626 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
629 //CDR_play( cdr.SetSectorPlay );
633 CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
634 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
637 // BIOS CD Player: Allow track replaying
641 cdr.CurTrack = btoi( cdr.Param[0] );
643 if (CDR_getTN(cdr.ResultTN) != -1) {
645 if (cdr.CurTrack > cdr.ResultTN[1])
646 cdr.CurTrack = cdr.ResultTN[1];
648 if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
649 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
650 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
651 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
656 ReadTrack( cdr.SetSectorPlay );
658 //CDR_play(cdr.SetSectorPlay);
666 // Vib Ribbon: gameplay checks flag
667 cdr.StatP &= ~STATUS_SEEK;
672 cdr.StatP |= STATUS_ROTATING;
673 cdr.Result[0] = cdr.StatP;
674 cdr.Stat = Acknowledge;
676 cdr.StatP |= STATUS_PLAY;
679 // BIOS player - set flag again
683 // CDRPLAY_INT( cdReadTime );
689 cdr.StatP |= STATUS_ROTATING;
690 cdr.Result[0] = cdr.StatP;
694 // GameShark CD Player: Calls 2x + Play 2x
695 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
696 else cdr.FastForward++;
698 cdr.FastBackward = 0;
704 cdr.StatP |= STATUS_ROTATING;
705 cdr.Result[0] = cdr.StatP;
709 // GameShark CD Player: Calls 2x + Play 2x
710 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
711 else cdr.FastBackward++;
719 cdr.StatP |= STATUS_ROTATING;
720 cdr.Result[0] = cdr.StatP;
727 cdr.StatP &= ~STATUS_ROTATING;
728 cdr.Result[0] = cdr.StatP;
730 // cdr.Stat = Acknowledge;
732 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
737 cdr.Result[0] = cdr.StatP;
738 cdr.Stat = Acknowledge;
740 AddIrqQueue(CdlPause + 0x20, 0x800);
744 case CdlPause + 0x20:
746 cdr.StatP &= ~STATUS_READ;
747 cdr.StatP |= STATUS_ROTATING;
748 cdr.Result[0] = cdr.StatP;
754 cdr.StatP = STATUS_ROTATING;
755 cdr.Result[0] = cdr.StatP;
756 cdr.Stat = Acknowledge;
758 AddIrqQueue(CdlInit + 0x20, 0x800);
764 cdr.Result[0] = cdr.StatP;
771 cdr.StatP |= STATUS_ROTATING;
772 cdr.Result[0] = cdr.StatP;
773 cdr.Stat = Acknowledge;
778 cdr.StatP |= STATUS_ROTATING;
779 cdr.Result[0] = cdr.StatP;
780 cdr.Stat = Acknowledge;
785 cdr.StatP |= STATUS_ROTATING;
786 cdr.Result[0] = cdr.StatP;
787 cdr.Stat = Acknowledge;
792 cdr.StatP |= STATUS_ROTATING;
793 cdr.Result[0] = cdr.StatP;
794 cdr.Stat = Acknowledge;
799 cdr.StatP |= STATUS_ROTATING;
800 cdr.Result[0] = cdr.StatP;
801 cdr.Result[1] = cdr.Mode;
802 cdr.Result[2] = cdr.File;
803 cdr.Result[3] = cdr.Channel;
806 cdr.Stat = Acknowledge;
811 for (i = 0; i < 8; i++)
812 cdr.Result[i] = cdr.Transfer[i];
813 cdr.Stat = Acknowledge;
817 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
819 memset( cdr.Result, 0, 16 );
821 subq = (struct SubQ *)CDR_getBufferSub();
824 cdr.Result[0] = subq->TrackNumber;
825 cdr.Result[1] = subq->IndexNumber;
826 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
827 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
830 // subQ integrity check - data only (skip audio)
831 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
832 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
833 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
837 if( cdr.Play == FALSE ) Create_Fake_Subq();
841 cdr.Result[0] = itob(cdr.CurTrack);
842 cdr.Result[1] = itob(fake_subq_index);
845 cdr.Result[2] = itob( fake_subq_local[0] );
846 cdr.Result[3] = itob( fake_subq_local[1] );
847 cdr.Result[4] = itob( fake_subq_local[2] );
850 cdr.Result[5] = itob( fake_subq_real[0] );
851 cdr.Result[6] = itob( fake_subq_real[1] );
852 cdr.Result[7] = itob( fake_subq_real[2] );
855 // redump.org - wipe time
856 /*if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
857 memset( cdr.Result+2, 0, 6 );
861 cdr.Stat = Acknowledge;
865 // 5-Star Racing: don't stop CDDA
867 // Vib Ribbon: CD swap
872 cdr.StatP |= STATUS_ROTATING;
873 cdr.Result[0] = cdr.StatP;
874 if (CDR_getTN(cdr.ResultTN) == -1) {
875 cdr.Stat = DiskError;
876 cdr.Result[0] |= STATUS_ERROR;
878 cdr.Stat = Acknowledge;
879 cdr.Result[1] = itob(cdr.ResultTN[0]);
880 cdr.Result[2] = itob(cdr.ResultTN[1]);
886 cdr.Track = btoi(cdr.Param[0]);
888 cdr.StatP |= STATUS_ROTATING;
889 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
890 cdr.Stat = DiskError;
891 cdr.Result[0] |= STATUS_ERROR;
893 cdr.Stat = Acknowledge;
894 cdr.Result[0] = cdr.StatP;
895 cdr.Result[1] = itob(cdr.ResultTD[2]);
896 cdr.Result[2] = itob(cdr.ResultTD[1]);
897 cdr.Result[3] = itob(cdr.ResultTD[0]);
903 cdr.StatP |= STATUS_ROTATING;
904 cdr.Result[0] = cdr.StatP;
905 cdr.StatP |= STATUS_SEEK;
906 cdr.Stat = Acknowledge;
909 Crusaders of Might and Magic = 0.5x-4x
910 - fix cutscene speech start
916 - fix cutscene speech
921 AddIrqQueue(CdlSeekL + 0x20, cdReadTime * 4);
924 case CdlSeekL + 0x20:
926 cdr.StatP |= STATUS_ROTATING;
927 cdr.StatP &= ~STATUS_SEEK;
928 cdr.Result[0] = cdr.StatP;
933 // Mega Man Legends 2: must update read cursor for getlocp
934 ReadTrack( cdr.SetSector );
939 cdr.StatP |= STATUS_ROTATING;
940 cdr.Result[0] = cdr.StatP;
941 cdr.StatP |= STATUS_SEEK;
942 cdr.Stat = Acknowledge;
943 AddIrqQueue(CdlSeekP + 0x20, cdReadTime * 1);
946 case CdlSeekP + 0x20:
948 cdr.StatP |= STATUS_ROTATING;
949 cdr.StatP &= ~STATUS_SEEK;
950 cdr.Result[0] = cdr.StatP;
954 // GameShark Music Player
955 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
957 // Tomb Raider 2: must update read cursor for getlocp
959 ReadTrack( cdr.SetSectorPlay );
963 cdr.Stat = Acknowledge;
964 switch (cdr.Param[0]) {
965 case 0x20: // System Controller ROM Version
967 memcpy(cdr.Result, Test20, 4);
971 memcpy(cdr.Result, Test22, 4);
973 case 0x23: case 0x24:
975 memcpy(cdr.Result, Test23, 4);
982 cdr.StatP |= STATUS_ROTATING;
983 cdr.Result[0] = cdr.StatP;
984 cdr.Stat = Acknowledge;
985 AddIrqQueue(CdlID + 0x20, 0x800);
991 if (CDR_getStatus(&stat) == -1) {
992 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
993 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
996 if (stat.Type == 2) {
998 cdr.Result[0] = 0x08;
999 cdr.Result[1] = 0x10;
1001 cdr.Result[1] |= 0x80;
1005 if (CdromId[0] == '\0') {
1006 cdr.Result[0] = 0x00;
1007 cdr.Result[1] = 0x80;
1010 cdr.Result[0] = 0x08;
1011 cdr.Result[1] = 0x00;
1016 cdr.Result[2] = 0x00;
1017 cdr.Result[3] = 0x00;
1018 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1019 cdr.Stat = Complete;
1024 cdr.StatP = STATUS_ROTATING;
1025 cdr.Result[0] = cdr.StatP;
1026 cdr.Stat = Acknowledge;
1031 cdr.StatP |= STATUS_ROTATING;
1032 cdr.Result[0] = cdr.StatP;
1033 cdr.Stat = Acknowledge;
1034 AddIrqQueue(CdlReadT + 0x20, 0x800);
1037 case CdlReadT + 0x20:
1039 cdr.StatP |= STATUS_ROTATING;
1040 cdr.Result[0] = cdr.StatP;
1041 cdr.Stat = Complete;
1046 cdr.StatP |= STATUS_ROTATING;
1047 cdr.Result[0] = cdr.StatP;
1048 cdr.Stat = Acknowledge;
1049 AddIrqQueue(CdlReadToc + 0x20, 0x800);
1052 case CdlReadToc + 0x20:
1054 cdr.StatP |= STATUS_ROTATING;
1055 cdr.Result[0] = cdr.StatP;
1056 cdr.Stat = Complete;
1061 /* SetResultSize(1);
1067 cdr.Result[0] = cdr.StatP;
1069 */ AddIrqQueue(CdlPause, 0x800);
1073 if (!cdr.Reading) return;
1076 // Fighting Force 2 - update subq time immediately
1078 ReadTrack( cdr.SetSector );
1081 // Crusaders of Might and Magic - update getlocl now
1082 // - fixes cutscene speech
1084 u8 *buf = CDR_getBuffer();
1085 memcpy(cdr.Transfer, buf, 8);
1090 Duke Nukem: Land of the Babes - seek then delay read for one frame
1097 cdr.StatP |= STATUS_SEEK;
1098 cdr.StatP &= ~STATUS_READ;
1100 // Crusaders of Might and Magic - use short time
1101 // - fix cutscene speech (startup)
1103 // ??? - use more accurate seek time later
1104 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1106 cdr.StatP |= STATUS_READ;
1107 cdr.StatP &= ~STATUS_SEEK;
1109 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1113 cdr.StatP |= STATUS_ROTATING;
1114 cdr.Result[0] = cdr.StatP;
1115 cdr.Stat = Acknowledge;
1122 cdr.Stat = Complete;
1128 if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
1129 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1133 CDR_LOG("cdrInterrupt() Log: CDR Interrupt IRQ %x\n", Irq);
1137 void cdrReadInterrupt() {
1143 if (cdr.Irq || cdr.Stat) {
1149 CDR_LOG("cdrReadInterrupt() Log: KEY END");
1154 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1155 cdr.StatP &= ~STATUS_SEEK;
1156 cdr.Result[0] = cdr.StatP;
1158 ReadTrack( cdr.SetSector );
1160 buf = CDR_getBuffer();
1164 if (cdr.RErr == -1) {
1166 fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
1168 memset(cdr.Transfer, 0, DATA_SIZE);
1169 cdr.Stat = DiskError;
1170 cdr.Result[0] |= STATUS_ERROR;
1171 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1175 memcpy(cdr.Transfer, buf, DATA_SIZE);
1176 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1180 fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1183 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1184 // Firemen 2: Multi-XA files - briefings, cutscenes
1185 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1186 cdr.File = cdr.Transfer[4 + 0];
1187 cdr.Channel = cdr.Transfer[4 + 1];
1190 if ((cdr.Transfer[4 + 2] & 0x4) &&
1191 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1192 (cdr.Transfer[4 + 0] == cdr.File)) {
1193 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1196 SPU_playADPCMchannel(&cdr.Xa);
1197 cdr.FirstSector = 0;
1200 // Crash Team Racing: music, speech
1202 // signal ADPCM data ready
1203 psxHu32ref(0x1070) |= SWAP32((u32)0x200);
1205 else cdr.FirstSector = -1;
1210 if (cdr.SetSector[2] == 75) {
1211 cdr.SetSector[2] = 0;
1213 if (cdr.SetSector[1] == 60) {
1214 cdr.SetSector[1] = 0;
1221 // G-Police: Don't autopause ADPCM even if mode set (music)
1222 if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
1223 (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
1225 CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
1227 // AddIrqQueue(AUTOPAUSE, 0x2000);
1228 AddIrqQueue(CdlPause, 0x2000);
1231 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1235 Croc 2: $40 - only FORM1 (*)
1236 Judge Dredd: $C8 - only FORM1 (*)
1237 Sim Theme Park - no adpcm at all (zero)
1240 if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
1241 cdr.Stat = DataReady;
1243 // Breath of Fire 3 - fix inn sleeping
1244 // Rockman X5 - no music restart problem
1247 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1254 bit 0 - 0 REG1 command send / 1 REG1 data read
1255 bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
1259 bit 5 - 1 result ready
1261 bit 7 - 1 command being processed
1264 unsigned char cdrRead0(void) {
1265 if (cdr.ResultReady)
1273 // cdr.Ctrl &= ~0x40;
1275 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1279 CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
1282 return psxHu8(0x1800) = cdr.Ctrl;
1287 0 - to send a command / 1 - to get the result
1290 void cdrWrite0(unsigned char rt) {
1292 CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
1294 cdr.Ctrl = rt | (cdr.Ctrl & ~0x3);
1299 cdr.ResultReady = 0;
1303 unsigned char cdrRead1(void) {
1304 if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
1305 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
1306 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1308 if (cdr.ResultP == cdr.ResultC)
1309 cdr.ResultReady = 0;
1314 CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
1316 return psxHu8(0x1801);
1319 void cdrWrite1(unsigned char rt) {
1323 CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
1327 // Tekken: CDXA fade-out
1328 if( (cdr.Ctrl & 3) == 3 ) {
1329 //cdr.AttenuatorRight[0] = rt;
1333 // psxHu8(0x1801) = rt;
1338 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1340 SysPrintf(" Param[%d] = {", cdr.ParamC);
1341 for (i = 0; i < cdr.ParamC; i++)
1342 SysPrintf(" %x,", cdr.Param[i]);
1349 if (cdr.Ctrl & 0x1) return;
1355 AddIrqQueue(cdr.Cmd, 0x800);
1362 // Twisted Metal 3 - fix music
1363 AddIrqQueue(cdr.Cmd, 0x800);
1369 for (i = 0; i < 3; i++)
1370 cdr.SetSector[i] = btoi(cdr.Param[i]);
1371 cdr.SetSector[3] = 0;
1374 if ((cdr.SetSector[0] | cdr.SetSector[1] | cdr.SetSector[2]) == 0) {
1375 *(u32 *)cdr.SetSector = *(u32 *)cdr.SetSectorSeek;
1380 AddIrqQueue(cdr.Cmd, 0x800);
1384 // Vib Ribbon: try same track again
1387 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1388 if (CDR_getTN(cdr.ResultTN) != -1) {
1389 if (cdr.CurTrack > cdr.ResultTN[1])
1390 cdr.CurTrack = cdr.ResultTN[1];
1391 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1392 int tmp = cdr.ResultTD[2];
1393 cdr.ResultTD[2] = cdr.ResultTD[0];
1394 cdr.ResultTD[0] = tmp;
1395 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1398 } else if (!Config.Cdda) {
1399 CDR_play(cdr.SetSector);
1402 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1403 // - fixes ribbon timing + music CD mode
1405 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1410 cdr.StatP |= STATUS_SEEK;
1411 cdr.StatP &= ~STATUS_ROTATING;
1415 AddIrqQueue(cdr.Cmd, 0x800);
1419 //if (cdr.CurTrack < 0xaa)
1423 AddIrqQueue(cdr.Cmd, 0x800);
1427 //if (cdr.CurTrack > 1)
1431 AddIrqQueue(cdr.Cmd, 0x800);
1439 StartReading(1, 0x800);
1447 AddIrqQueue(cdr.Cmd, 0x800);
1451 // GameShark CD Player: Reset CDDA to track start
1452 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1453 cdr.SetSectorPlay[0] = stat.Time[0];
1454 cdr.SetSectorPlay[1] = stat.Time[1];
1455 cdr.SetSectorPlay[2] = stat.Time[2];
1460 // grab time for current track
1461 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1463 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1464 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1465 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1473 AddIrqQueue(cdr.Cmd, 0x800);
1478 GameShark CD Player: save time for resume
1480 Twisted Metal - World Tour: don't save times for DATA reads
1481 - Only get 1 chance to do this right
1483 if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
1484 cdr.SetSectorPlay[0] = stat.Time[0];
1485 cdr.SetSectorPlay[1] = stat.Time[1];
1486 cdr.SetSectorPlay[2] = stat.Time[2];
1495 Gundam Battle Assault 2: much slower (*)
1496 - Fixes boot, gameplay
1498 Hokuto no Ken 2: slower
1499 - Fixes intro + subtitles
1501 InuYasha - Feudal Fairy Tale: slower
1504 AddIrqQueue(cdr.Cmd, cdReadTime * 3);
1513 AddIrqQueue(cdr.Cmd, 0x800);
1520 AddIrqQueue(cdr.Cmd, 0x800);
1522 // Duke Nukem - Time to Kill
1523 // - do not directly set cd-xa volume
1524 //SPU_writeRegister( H_CDLeft, 0x0000 );
1525 //SPU_writeRegister( H_CDRight, 0x0000 );
1532 AddIrqQueue(cdr.Cmd, 0x800);
1534 // Duke Nukem - Time to Kill
1535 // - do not directly set cd-xa volume
1536 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1537 //SPU_writeRegister( H_CDRight, 0x7f00 );
1541 cdr.File = cdr.Param[0];
1542 cdr.Channel = cdr.Param[1];
1545 AddIrqQueue(cdr.Cmd, 0x800);
1550 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1552 cdr.Mode = cdr.Param[0];
1555 AddIrqQueue(cdr.Cmd, 0x800);
1557 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1558 // - fixes choppy movie sound
1559 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1566 AddIrqQueue(cdr.Cmd, 0x800);
1573 // Crusaders of Might and Magic - cutscene speech
1574 AddIrqQueue(cdr.Cmd, 0x800);
1581 // GameShark CDX / Lite Player: pretty narrow time window
1582 // - doesn't always work due to time inprecision
1583 //AddIrqQueue(cdr.Cmd, 0x28);
1585 // Tomb Raider 2 - cdda
1586 //AddIrqQueue(cdr.Cmd, 0x40);
1588 // rearmed: the above works in pcsxr-svn, but breaks here
1589 // (TOCA world touring cars), perhaps some other code is not merged yet
1590 AddIrqQueue(cdr.Cmd, 0x1000);
1596 //AddIrqQueue(cdr.Cmd, 0x800);
1598 // GameShark CDX CD Player: very long time
1599 AddIrqQueue(cdr.Cmd, 0x100000);
1605 AddIrqQueue(cdr.Cmd, 0x800);
1609 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1612 AddIrqQueue(cdr.Cmd, 0x800);
1620 // ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
1624 // Tomb Raider 2 - reset cdda
1628 AddIrqQueue(cdr.Cmd, 0x800);
1631 // Destruction Derby: read TOC? GetTD after this
1635 AddIrqQueue(cdr.Cmd, 0x800);
1641 AddIrqQueue(cdr.Cmd, 0x800);
1647 AddIrqQueue(cdr.Cmd, 0x800);
1655 StartReading(2, 0x800);
1661 AddIrqQueue(cdr.Cmd, 0x800);
1666 CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1670 if (cdr.Stat != NoIntr) {
1671 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
1675 unsigned char cdrRead2(void) {
1678 if (cdr.Readed == 0) {
1681 ret = *cdr.pTransfer++;
1685 CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
1690 void cdrWrite2(unsigned char rt) {
1692 CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
1695 // Tekken: CDXA fade-out
1696 if( (cdr.Ctrl & 3) == 2 ) {
1697 //cdr.AttenuatorLeft[0] = rt;
1699 else if( (cdr.Ctrl & 3) == 3 ) {
1700 //cdr.AttenuatorRight[1] = rt;
1704 if (cdr.Ctrl & 0x1) {
1709 cdr.ResultReady = 1; //0;
1710 cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
1717 } else if (!(cdr.Ctrl & 0x1) && cdr.ParamP < 8) {
1718 cdr.Param[cdr.ParamP++] = rt;
1723 unsigned char cdrRead3(void) {
1726 psxHu8(0x1803) = cdr.Stat | 0xE0;
1728 psxHu8(0x1803) = 0xff;
1733 CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
1735 return psxHu8(0x1803);
1738 void cdrWrite3(unsigned char rt) {
1740 CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
1743 // Tekken: CDXA fade-out
1744 if( (cdr.Ctrl & 3) == 2 ) {
1745 cdr.AttenuatorLeft[1] = rt;
1747 else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
1749 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1750 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1751 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1756 // GameShark CDX CD Player: Irq timing mania
1758 cdr.Irq != 0 && cdr.Irq != 0xff &&
1759 cdr.ResultReady == 0 ) {
1761 // GS CDX: ~0x28 cycle timing - way too precise
1762 if( cdr.Irq == CdlGetlocP ) {
1765 psxRegs.interrupt &= ~(1 << PSXINT_CDR);
1770 if (rt == 0x07 && cdr.Ctrl & 0x1) {
1773 if (cdr.Irq == 0xff) {
1778 if (cdr.Reading && !cdr.ResultReady) {
1779 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1785 if (rt == 0x80 && !(cdr.Ctrl & 0x1) && cdr.Readed == 0) {
1787 cdr.pTransfer = cdr.Transfer;
1789 switch (cdr.Mode & 0x30) {
1790 case MODE_SIZE_2328:
1792 cdr.pTransfer += 12;
1795 case MODE_SIZE_2340:
1805 void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1810 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1816 if (cdr.Readed == 0) {
1818 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1823 cdsize = (bcr & 0xffff) * 4;
1825 // Ape Escape: bcr = 0001 / 0000
1829 switch (cdr.Mode & 0x30) {
1830 case 0x00: cdsize = 2048; break;
1831 case MODE_SIZE_2328: cdsize = 2328; break;
1832 case MODE_SIZE_2340: cdsize = 2340; break;
1837 ptr = (u8 *)PSXM(madr);
1840 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
1846 GS CDX: Enhancement CD crash
1849 - Spams DMA3 and gets buffer overrun
1852 if( (cdr.pTransfer-cdr.Transfer) + cdsize > 2352 )
1854 // avoid crash - probably should wrap here
1855 //memcpy(ptr, cdr.pTransfer, cdsize);
1859 memcpy(ptr, cdr.pTransfer, cdsize);
1862 psxCpu->Clear(madr, cdsize / 4);
1863 cdr.pTransfer += cdsize;
1867 if( chcr == 0x11400100 ) {
1868 CDRDMA_INT( (cdsize/4) / 4 );
1870 else if( chcr == 0x11000000 ) {
1871 CDRDMA_INT( (cdsize/4) * 1 );
1877 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
1882 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1886 void cdrDmaInterrupt()
1888 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1893 memset(&cdr, 0, sizeof(cdr));
1899 int cdrFreeze(gzFile f, int Mode) {
1907 gzfreeze(&cdr, sizeof(cdr));
1910 tmp = cdr.pTransfer - cdr.Transfer;
1912 gzfreeze(&tmp, sizeof(tmp));
1915 cdr.pTransfer = cdr.Transfer + tmp;
1920 void LidInterrupt() {
1921 cdr.LidCheck = 0x20; // start checker
1923 CDRLID_INT( cdReadTime * 3 );
1925 // generate interrupt if none active - open or close
1926 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
1929 AddIrqQueue(CdlNop, 0x800);