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 #define CDR_LOG SysPrintf
35 #define CDR_LOG_I SysPrintf
37 #define CDR_LOG_I(...)
40 #define CDR_LOG_IO SysPrintf
42 #define CDR_LOG_IO(...)
44 //#define CDR_LOG_CMD_IRQ
47 static unsigned char *pTransfer;
49 /* CD-ROM magic numbers */
63 #define CdlSetfilter 13
73 #define CdlSetclock 23
74 #define CdlGetclock 24
81 char *CmdName[0x100]= {
82 "CdlSync", "CdlNop", "CdlSetloc", "CdlPlay",
83 "CdlForward", "CdlBackward", "CdlReadN", "CdlStandby",
84 "CdlStop", "CdlPause", "CdlInit", "CdlMute",
85 "CdlDemute", "CdlSetfilter", "CdlSetmode", "CdlGetmode",
86 "CdlGetlocL", "CdlGetlocP", "CdlReadT", "CdlGetTN",
87 "CdlGetTD", "CdlSeekL", "CdlSeekP", "CdlSetclock",
88 "CdlGetclock", "CdlTest", "CdlID", "CdlReadS",
89 "CdlReset", NULL, "CDlReadToc", NULL
92 unsigned char Test04[] = { 0 };
93 unsigned char Test05[] = { 0 };
94 unsigned char Test20[] = { 0x98, 0x06, 0x10, 0xC3 };
95 unsigned char Test22[] = { 0x66, 0x6F, 0x72, 0x20, 0x45, 0x75, 0x72, 0x6F };
96 unsigned char Test23[] = { 0x43, 0x58, 0x44, 0x32, 0x39 ,0x34, 0x30, 0x51 };
102 #define Acknowledge 3
107 #define MODE_SPEED (1<<7) // 0x80
108 #define MODE_STRSND (1<<6) // 0x40 ADPCM on/off
109 #define MODE_SIZE_2340 (1<<5) // 0x20
110 #define MODE_SIZE_2328 (1<<4) // 0x10
111 #define MODE_SF (1<<3) // 0x08 channel on/off
112 #define MODE_REPORT (1<<2) // 0x04
113 #define MODE_AUTOPAUSE (1<<1) // 0x02
114 #define MODE_CDDA (1<<0) // 0x01
117 #define STATUS_PLAY (1<<7) // 0x80
118 #define STATUS_SEEK (1<<6) // 0x40
119 #define STATUS_READ (1<<5) // 0x20
120 #define STATUS_SHELLOPEN (1<<4) // 0x10
121 #define STATUS_UNKNOWN3 (1<<3) // 0x08
122 #define STATUS_UNKNOWN2 (1<<2) // 0x04
123 #define STATUS_ROTATING (1<<1) // 0x02
124 #define STATUS_ERROR (1<<0) // 0x01
128 // 1x = 75 sectors per second
129 // PSXCLK = 1 sec in the ps
130 // so (PSXCLK / 75) = cdr read time (linuzappz)
131 #define cdReadTime (PSXCLK / 75)
139 static struct CdrStat stat;
141 static unsigned int msf2sec(u8 *msf) {
142 return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
145 static void sec2msf(unsigned int s, u8 *msf) {
146 msf[0] = s / 75 / 60;
147 s = s - msf[0] * 75 * 60;
154 #define CDR_INT(eCycle) { \
155 psxRegs.interrupt |= (1 << PSXINT_CDR); \
156 psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \
157 psxRegs.intCycle[PSXINT_CDR].sCycle = psxRegs.cycle; \
158 new_dyna_set_event(PSXINT_CDR, eCycle); \
162 #define CDREAD_INT(eCycle) { \
163 psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
164 psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
165 psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
166 new_dyna_set_event(PSXINT_CDREAD, eCycle); \
169 // cdrLidSeekInterrupt
170 #define CDRLID_INT(eCycle) { \
171 psxRegs.interrupt |= (1 << PSXINT_CDRLID); \
172 psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \
173 psxRegs.intCycle[PSXINT_CDRLID].sCycle = psxRegs.cycle; \
174 new_dyna_set_event(PSXINT_CDRLID, eCycle); \
178 #define CDRMISC_INT(eCycle) { \
179 psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \
180 psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \
181 psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \
182 new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \
185 #define StopReading() { \
188 psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
190 cdr.StatP &= ~STATUS_READ;\
193 #define StopCdda() { \
195 if (!Config.Cdda) CDR_stop(); \
196 cdr.StatP &= ~STATUS_PLAY; \
198 cdr.FastForward = 0; \
199 cdr.FastBackward = 0; \
200 /*SPU_registerCallback( SPUirq );*/ \
204 #define SetResultSize(size) { \
206 cdr.ResultC = size; \
207 cdr.ResultReady = 1; \
210 static void setIrq(void)
212 if (cdr.Stat & cdr.Reg2)
213 psxHu32ref(0x1070) |= SWAP32((u32)0x4);
216 void cdrLidSeekInterrupt()
218 // turn back on checking
219 if( cdr.LidCheck == 0x10 )
224 // official lid close
225 else if( cdr.LidCheck == 0x30 )
228 cdr.StatP |= STATUS_ROTATING;
231 // GS CDX 3.3 - ~50 getlocp tries
232 CDRLID_INT( cdReadTime * 3 );
237 else if( cdr.LidCheck == 0x40 )
240 cdr.StatP &= ~STATUS_SHELLOPEN;
241 cdr.StatP &= ~STATUS_ROTATING;
244 // GS CDX 3.3 - ~50 getlocp tries
245 CDRLID_INT( cdReadTime * 3 );
250 else if( cdr.LidCheck == 0x50 )
252 // GameShark Lite: Start seeking ($42)
253 cdr.StatP |= STATUS_SEEK;
254 cdr.StatP |= STATUS_ROTATING;
255 cdr.StatP &= ~STATUS_ERROR;
258 CDRLID_INT( cdReadTime * 3 );
263 else if( cdr.LidCheck == 0x60 )
265 // GameShark Lite: Seek detection done ($02)
266 cdr.StatP &= ~STATUS_SEEK;
272 static void Check_Shell( int Irq )
274 // check case open/close
275 if (cdr.LidCheck > 0)
277 CDR_LOG( "LidCheck\n" );
279 // $20 = check lid state
280 if( cdr.LidCheck == 0x20 )
285 if (CDR_getStatus(&stat) != -1)
287 // BIOS hangs + BIOS error messages
288 //if (stat.Type == 0xff)
289 //cdr.Stat = DiskError;
292 if (stat.Status & STATUS_SHELLOPEN)
294 // Vib Ribbon: pre-CD swap
298 // GameShark Lite: Death if DiskError happens
300 // Vib Ribbon: Needs DiskError for CD swap
304 cdr.Stat = DiskError;
306 cdr.StatP |= STATUS_ERROR;
307 cdr.Result[0] |= STATUS_ERROR;
310 // GameShark Lite: Wants -exactly- $10
311 cdr.StatP |= STATUS_SHELLOPEN;
312 cdr.StatP &= ~STATUS_ROTATING;
315 CDRLID_INT( cdReadTime * 3 );
323 else if ( i & STATUS_SHELLOPEN )
325 cdr.StatP |= STATUS_ROTATING;
330 if( cdr.Stat == NoIntr )
331 cdr.Stat = Acknowledge;
335 // begin close-seek-ready cycle
336 CDRLID_INT( cdReadTime * 3 );
340 // GameShark Lite: Wants -exactly- $42, then $02
341 // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
344 // case still closed - wait for recheck
347 CDRLID_INT( cdReadTime * 3 );
354 // GS CDX: clear all values but #1,#2
355 if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
358 memset( cdr.Result, 0, 16 );
360 cdr.Result[0] = cdr.StatP;
363 // GS CDX: special return value
364 if( cdr.StatP & STATUS_SHELLOPEN )
366 cdr.Result[1] = 0x80;
370 if( cdr.Stat == NoIntr )
371 cdr.Stat = Acknowledge;
378 void Find_CurTrack() {
381 if (CDR_getTN(cdr.ResultTN) != -1) {
384 for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
385 if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
388 CDR_LOG( "curtrack %d %d %d | %d %d %d | %d\n",
389 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
390 cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
393 // find next track boundary - only need m:s accuracy
394 sect1 = cdr.SetSectorPlay[0] * 60 * 75 + cdr.SetSectorPlay[1] * 75;
395 sect2 = cdr.ResultTD[2] * 60 * 75 + cdr.ResultTD[1] * 75;
397 // Twisted Metal 4 - psx cdda pregap (2-sec)
398 // - fix in-game music
401 if( sect1 >= sect2 ) {
412 static void ReadTrack( u8 *time ) {
413 cdr.Prev[0] = itob( time[0] );
414 cdr.Prev[1] = itob( time[1] );
415 cdr.Prev[2] = itob( time[2] );
417 CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
418 cdr.RErr = CDR_readTrack(cdr.Prev);
422 static void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
424 CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq);
432 static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
433 static void Create_Fake_Subq()
435 u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
438 if (CDR_getTN(cdr.ResultTN) == -1) return;
439 if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
441 if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
443 // last track - cd size
445 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
448 if( cdr.Play == TRUE ) {
449 temp_cur[0] = cdr.SetSectorPlay[0];
450 temp_cur[1] = cdr.SetSectorPlay[1];
451 temp_cur[2] = cdr.SetSectorPlay[2];
453 temp_cur[0] = btoi( cdr.Prev[0] );
454 temp_cur[1] = btoi( cdr.Prev[1] );
455 temp_cur[2] = btoi( cdr.Prev[2] );
458 fake_subq_real[0] = temp_cur[0];
459 fake_subq_real[1] = temp_cur[1];
460 fake_subq_real[2] = temp_cur[2];
462 temp_next[0] = cdr.ResultTD[2];
463 temp_next[1] = cdr.ResultTD[1];
464 temp_next[2] = cdr.ResultTD[0];
468 if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
469 fake_subq_change = 1;
474 if( pregap == 0 ) StopCdda();
477 //////////////////////////////////////////////////
478 //////////////////////////////////////////////////
481 if( cdr.CurTrack <= cdr.ResultTN[1] ) {
482 if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
484 // last track - cd size
485 if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
488 temp_start[0] = cdr.ResultTD[2];
489 temp_start[1] = cdr.ResultTD[1];
490 temp_start[2] = cdr.ResultTD[0];
493 CDR_LOG( "CDDA FAKE SUB - %d:%d:%d / %d:%d:%d / %d:%d:%d\n",
494 temp_cur[0], temp_cur[1], temp_cur[2],
495 temp_start[0], temp_start[1], temp_start[2],
496 temp_next[0], temp_next[1], temp_next[2]);
500 // local time - pregap / real
501 diff = msf2sec(temp_cur) - msf2sec( temp_start );
505 sec2msf( -diff, fake_subq_local );
509 sec2msf( diff, fake_subq_local );
514 static void cdrPlayInterrupt_Autopause()
516 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
517 int track_changed = 0;
522 Silhouette Mirage ($3)
526 // .. + 1 is probably wrong, but deals with corrupted subq + good checksum
527 // (how does real thing handle those?)
528 if( cdr.CurTrack + 1 == btoi( subq->TrackNumber ) )
531 track_changed = fake_subq_change;
532 fake_subq_change = 0;
535 if ((cdr.Mode & MODE_AUTOPAUSE) && track_changed) {
536 CDR_LOG( "CDDA STOP\n" );
538 // Magic the Gathering
539 // - looping territory cdda
542 //cdr.ResultReady = 1;
543 //cdr.Stat = DataReady;
549 else if (cdr.Mode & MODE_REPORT) {
551 CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
552 subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
554 // breaks when .sub doesn't have index 0 for some reason (bad rip?)
555 //cdr.CurTrack = btoi( subq->TrackNumber );
557 if (subq->AbsoluteAddress[2] & 0xf)
560 cdr.Result[0] = cdr.StatP;
561 // BIOS CD Player: data already BCD format
562 cdr.Result[1] = subq->TrackNumber;
563 cdr.Result[2] = subq->IndexNumber;
565 cdr.Result[3] = subq->AbsoluteAddress[0];
566 cdr.Result[4] = subq->AbsoluteAddress[1];
567 cdr.Result[5] = subq->AbsoluteAddress[2];
569 CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
570 fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
572 if (fake_subq_real[2] & 0xf)
575 cdr.Result[0] = cdr.StatP;
577 cdr.Result[1] = itob(cdr.CurTrack);
578 cdr.Result[2] = itob(fake_subq_index);
580 cdr.Result[3] = itob( fake_subq_real[0] );
581 cdr.Result[4] = itob( fake_subq_real[1] );
582 cdr.Result[5] = itob( fake_subq_real[2] );
585 // Rayman: Logo freeze (resultready + dataready)
587 cdr.Stat = DataReady;
595 void cdrPlayInterrupt()
597 if (cdr.Seeked == SEEK_PENDING) {
599 CDR_LOG_I("cdrom: seek stat hack\n");
604 cdr.StatP |= STATUS_ROTATING;
605 cdr.StatP &= ~STATUS_SEEK;
606 cdr.Result[0] = cdr.StatP;
607 cdr.Seeked = SEEK_DONE;
613 memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
615 ReadTrack(cdr.SetSectorPlay);
618 // update for CdlGetlocP/autopause
619 struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
622 ReadTrack(cdr.SetSectorPlay);
626 if (!cdr.Play) return;
628 CDR_LOG( "CDDA - %d:%d:%d\n",
629 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
631 CDRMISC_INT( cdReadTime );
633 if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
634 cdrPlayInterrupt_Autopause();
636 cdr.SetSectorPlay[2]++;
637 if (cdr.SetSectorPlay[2] == 75) {
638 cdr.SetSectorPlay[2] = 0;
639 cdr.SetSectorPlay[1]++;
640 if (cdr.SetSectorPlay[1] == 60) {
641 cdr.SetSectorPlay[1] = 0;
642 cdr.SetSectorPlay[0]++;
649 void cdrInterrupt() {
651 unsigned char Irq = cdr.Irq;
656 CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat);
667 cdr.StatP |= STATUS_ROTATING;
668 cdr.Result[0] = cdr.StatP;
669 cdr.Stat = Acknowledge;
674 cdr.Result[0] = cdr.StatP;
675 cdr.Stat = Acknowledge;
677 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
683 cdr.StatP |= STATUS_ROTATING;
684 cdr.Result[0] = cdr.StatP;
685 cdr.Stat = Acknowledge;
689 fake_subq_change = 0;
691 if (cdr.Seeked == SEEK_PENDING) {
692 // XXX: wrong, should seek instead..
693 memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
694 cdr.Seeked = SEEK_DONE;
698 // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
700 if (cdr.ParamC == 0 || cdr.Param[0] == 0) {
701 CDR_LOG("PLAY Resume @ %d:%d:%d\n",
702 cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]);
706 int track = btoi( cdr.Param[0] );
708 if (track <= cdr.ResultTN[1])
709 cdr.CurTrack = track;
711 CDR_LOG("PLAY track %d\n", cdr.CurTrack);
713 if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) {
714 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
715 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
716 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
721 Rayman: detect track changes
724 Twisted Metal 2: skip PREGAP + starting accurate SubQ
725 - plays tracks without retry play
727 Wild 9: skip PREGAP + starting accurate SubQ
728 - plays tracks without retry play
731 ReadTrack(cdr.SetSectorPlay);
734 CDR_play(cdr.SetSectorPlay);
736 // Vib Ribbon: gameplay checks flag
737 cdr.StatP &= ~STATUS_SEEK;
741 cdr.StatP |= STATUS_ROTATING;
742 cdr.Result[0] = cdr.StatP;
743 cdr.Stat = Acknowledge;
745 cdr.StatP |= STATUS_PLAY;
748 // BIOS player - set flag again
751 CDRMISC_INT( cdReadTime );
757 cdr.StatP |= STATUS_ROTATING;
758 cdr.Result[0] = cdr.StatP;
762 // GameShark CD Player: Calls 2x + Play 2x
763 if( cdr.FastForward == 0 ) cdr.FastForward = 2;
764 else cdr.FastForward++;
766 cdr.FastBackward = 0;
772 cdr.StatP |= STATUS_ROTATING;
773 cdr.Result[0] = cdr.StatP;
777 // GameShark CD Player: Calls 2x + Play 2x
778 if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
779 else cdr.FastBackward++;
787 cdr.StatP |= STATUS_ROTATING;
788 cdr.Result[0] = cdr.StatP;
795 cdr.StatP &= ~STATUS_ROTATING;
796 cdr.Result[0] = cdr.StatP;
798 // cdr.Stat = Acknowledge;
800 if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
805 cdr.Result[0] = cdr.StatP;
806 cdr.Stat = Acknowledge;
809 Gundam Battle Assault 2: much slower (*)
810 - Fixes boot, gameplay
812 Hokuto no Ken 2: slower
813 - Fixes intro + subtitles
815 InuYasha - Feudal Fairy Tale: slower
818 AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
822 case CdlPause + 0x20:
824 cdr.StatP &= ~STATUS_READ;
825 cdr.StatP |= STATUS_ROTATING;
826 cdr.Result[0] = cdr.StatP;
832 cdr.StatP = STATUS_ROTATING;
833 cdr.Result[0] = cdr.StatP;
834 cdr.Stat = Acknowledge;
836 AddIrqQueue(CdlInit + 0x20, 0x800);
842 cdr.Result[0] = cdr.StatP;
849 cdr.StatP |= STATUS_ROTATING;
850 cdr.Result[0] = cdr.StatP;
851 cdr.Stat = Acknowledge;
856 cdr.StatP |= STATUS_ROTATING;
857 cdr.Result[0] = cdr.StatP;
858 cdr.Stat = Acknowledge;
863 cdr.StatP |= STATUS_ROTATING;
864 cdr.Result[0] = cdr.StatP;
865 cdr.Stat = Acknowledge;
870 cdr.StatP |= STATUS_ROTATING;
871 cdr.Result[0] = cdr.StatP;
872 cdr.Stat = Acknowledge;
877 cdr.StatP |= STATUS_ROTATING;
878 cdr.Result[0] = cdr.StatP;
879 cdr.Result[1] = cdr.Mode;
880 cdr.Result[2] = cdr.File;
881 cdr.Result[3] = cdr.Channel;
884 cdr.Stat = Acknowledge;
889 for (i = 0; i < 8; i++)
890 cdr.Result[i] = cdr.Transfer[i];
891 cdr.Stat = Acknowledge;
895 // GameShark CDX CD Player: uses 17 bytes output (wraps around)
897 memset( cdr.Result, 0, 16 );
899 subq = (struct SubQ *)CDR_getBufferSub();
903 ReadTrack( cdr.SetSector );
905 cdr.Result[0] = subq->TrackNumber;
906 cdr.Result[1] = subq->IndexNumber;
907 memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
908 memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
911 // subQ integrity check - data only (skip audio)
912 if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
913 if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
914 memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
918 if (cdr.Play == FALSE)
922 cdr.Result[0] = itob(cdr.CurTrack);
923 cdr.Result[1] = itob(fake_subq_index);
926 cdr.Result[2] = itob( fake_subq_local[0] );
927 cdr.Result[3] = itob( fake_subq_local[1] );
928 cdr.Result[4] = itob( fake_subq_local[2] );
931 cdr.Result[5] = itob( fake_subq_real[0] );
932 cdr.Result[6] = itob( fake_subq_real[1] );
933 cdr.Result[7] = itob( fake_subq_real[2] );
936 if (!cdr.Play && !cdr.Reading)
937 cdr.Result[1] = 0; // HACK?
939 // redump.org - wipe time
940 if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
941 memset( cdr.Result+2, 0, 6 );
944 cdr.Stat = Acknowledge;
948 // 5-Star Racing: don't stop CDDA
950 // Vib Ribbon: CD swap
955 cdr.StatP |= STATUS_ROTATING;
956 cdr.Result[0] = cdr.StatP;
957 if (CDR_getTN(cdr.ResultTN) == -1) {
958 cdr.Stat = DiskError;
959 cdr.Result[0] |= STATUS_ERROR;
961 cdr.Stat = Acknowledge;
962 cdr.Result[1] = itob(cdr.ResultTN[0]);
963 cdr.Result[2] = itob(cdr.ResultTN[1]);
969 cdr.Track = btoi(cdr.Param[0]);
971 cdr.StatP |= STATUS_ROTATING;
972 if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
973 cdr.Stat = DiskError;
974 cdr.Result[0] |= STATUS_ERROR;
976 cdr.Stat = Acknowledge;
977 cdr.Result[0] = cdr.StatP;
978 cdr.Result[1] = itob(cdr.ResultTD[2]);
979 cdr.Result[2] = itob(cdr.ResultTD[1]);
980 cdr.Result[3] = itob(cdr.ResultTD[0]);
987 cdr.StatP |= STATUS_ROTATING;
988 cdr.Result[0] = cdr.StatP;
989 cdr.StatP |= STATUS_SEEK;
990 cdr.Stat = Acknowledge;
993 Crusaders of Might and Magic = 0.5x-4x
994 - fix cutscene speech start
1000 - fix cutscene speech
1005 CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4);
1006 cdr.Seeked = SEEK_PENDING;
1010 cdr.Stat = Acknowledge;
1011 switch (cdr.Param[0]) {
1012 case 0x20: // System Controller ROM Version
1014 memcpy(cdr.Result, Test20, 4);
1018 memcpy(cdr.Result, Test22, 4);
1020 case 0x23: case 0x24:
1022 memcpy(cdr.Result, Test23, 4);
1029 cdr.StatP |= STATUS_ROTATING;
1030 cdr.Result[0] = cdr.StatP;
1031 cdr.Stat = Acknowledge;
1032 AddIrqQueue(CdlID + 0x20, 0x800);
1038 if (CDR_getStatus(&stat) == -1) {
1039 cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
1040 cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
1043 if (stat.Type == 2) {
1045 cdr.Result[0] = 0x08;
1046 cdr.Result[1] = 0x10;
1048 cdr.Result[1] |= 0x80;
1052 if (CdromId[0] == '\0') {
1053 cdr.Result[0] = 0x00;
1054 cdr.Result[1] = 0x80;
1057 cdr.Result[0] = 0x08;
1058 cdr.Result[1] = 0x00;
1063 cdr.Result[2] = 0x00;
1064 cdr.Result[3] = 0x00;
1065 strncpy((char *)&cdr.Result[4], "PCSX", 4);
1066 cdr.Stat = Complete;
1071 cdr.StatP = STATUS_ROTATING;
1072 cdr.Result[0] = cdr.StatP;
1073 cdr.Stat = Acknowledge;
1078 cdr.StatP |= STATUS_ROTATING;
1079 cdr.Result[0] = cdr.StatP;
1080 cdr.Stat = Acknowledge;
1081 AddIrqQueue(CdlReadT + 0x20, 0x800);
1084 case CdlReadT + 0x20:
1086 cdr.StatP |= STATUS_ROTATING;
1087 cdr.Result[0] = cdr.StatP;
1088 cdr.Stat = Complete;
1093 cdr.StatP |= STATUS_ROTATING;
1094 cdr.Result[0] = cdr.StatP;
1095 cdr.Stat = Acknowledge;
1096 AddIrqQueue(CdlReadToc + 0x20, 0x800);
1099 case CdlReadToc + 0x20:
1101 cdr.StatP |= STATUS_ROTATING;
1102 cdr.Result[0] = cdr.StatP;
1103 cdr.Stat = Complete;
1108 if (!cdr.Reading) return;
1111 // Fighting Force 2 - update subq time immediately
1113 ReadTrack( cdr.SetSector );
1116 // Crusaders of Might and Magic - update getlocl now
1117 // - fixes cutscene speech
1119 u8 *buf = CDR_getBuffer();
1121 memcpy(cdr.Transfer, buf, 8);
1125 Duke Nukem: Land of the Babes - seek then delay read for one frame
1127 C-12 - Final Resistance - doesn't like seek
1130 if (cdr.Seeked != SEEK_DONE) {
1131 cdr.StatP |= STATUS_SEEK;
1132 cdr.StatP &= ~STATUS_READ;
1134 // Crusaders of Might and Magic - use short time
1135 // - fix cutscene speech (startup)
1137 // ??? - use more accurate seek time later
1138 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1140 cdr.StatP |= STATUS_READ;
1141 cdr.StatP &= ~STATUS_SEEK;
1143 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
1147 cdr.StatP |= STATUS_ROTATING;
1148 cdr.Result[0] = cdr.StatP;
1149 cdr.Stat = Acknowledge;
1156 cdr.Stat = Complete;
1166 #ifdef CDR_LOG_CMD_IRQ
1167 SysPrintf("cdrInterrupt() Log: CDR Interrupt IRQ %d %02x: ",
1168 cdr.Stat != NoIntr && cdr.Reg2 != 0x18, Irq);
1169 for (i = 0; i < cdr.ResultC; i++)
1170 SysPrintf("%02x ", cdr.Result[i]);
1175 void cdrReadInterrupt() {
1181 if (cdr.Irq || cdr.Stat) {
1182 CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat);
1189 cdr.StatP |= STATUS_READ|STATUS_ROTATING;
1190 cdr.StatP &= ~STATUS_SEEK;
1191 cdr.Result[0] = cdr.StatP;
1192 cdr.Seeked = SEEK_DONE;
1194 ReadTrack( cdr.SetSector );
1196 buf = CDR_getBuffer();
1200 if (cdr.RErr == -1) {
1201 CDR_LOG_I("cdrReadInterrupt() Log: err\n");
1202 memset(cdr.Transfer, 0, DATA_SIZE);
1203 cdr.Stat = DiskError;
1204 cdr.Result[0] |= STATUS_ERROR;
1205 CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
1209 memcpy(cdr.Transfer, buf, DATA_SIZE);
1210 CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
1213 CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
1215 if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
1216 // Firemen 2: Multi-XA files - briefings, cutscenes
1217 if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
1218 cdr.File = cdr.Transfer[4 + 0];
1219 cdr.Channel = cdr.Transfer[4 + 1];
1222 if ((cdr.Transfer[4 + 2] & 0x4) &&
1223 (cdr.Transfer[4 + 1] == cdr.Channel) &&
1224 (cdr.Transfer[4 + 0] == cdr.File)) {
1225 int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
1228 // only handle attenuator basic channel switch for now
1229 if (cdr.Xa.stereo) {
1231 if ((cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1232 && !(cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1234 for (i = 0; i < cdr.Xa.nsamples; i++)
1235 cdr.Xa.pcm[i*2 + 1] = cdr.Xa.pcm[i*2];
1237 else if (!(cdr.AttenuatorLeft[0] | cdr.AttenuatorLeft[1])
1238 && (cdr.AttenuatorRight[0] | cdr.AttenuatorRight[1]))
1240 for (i = 0; i < cdr.Xa.nsamples; i++)
1241 cdr.Xa.pcm[i*2] = cdr.Xa.pcm[i*2 + 1];
1245 SPU_playADPCMchannel(&cdr.Xa);
1246 cdr.FirstSector = 0;
1249 // Crash Team Racing: music, speech
1250 // - done using cdda decoded buffer (spu irq)
1253 // signal ADPCM data ready
1257 else cdr.FirstSector = -1;
1262 if (cdr.SetSector[2] == 75) {
1263 cdr.SetSector[2] = 0;
1265 if (cdr.SetSector[1] == 60) {
1266 cdr.SetSector[1] = 0;
1273 CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
1276 Croc 2: $40 - only FORM1 (*)
1277 Judge Dredd: $C8 - only FORM1 (*)
1278 Sim Theme Park - no adpcm at all (zero)
1281 if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) {
1282 cdr.Stat = DataReady;
1295 bit 5 - 1 result ready
1297 bit 7 - 1 command being processed
1300 unsigned char cdrRead0(void) {
1301 if (cdr.ResultReady)
1309 // cdr.Ctrl &= ~0x40;
1311 // What means the 0x10 and the 0x08 bits? I only saw it used by the bios
1314 CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl);
1316 return psxHu8(0x1800) = cdr.Ctrl;
1319 void cdrWrite0(unsigned char rt) {
1320 CDR_LOG_IO("cdr w0: %02x\n", rt);
1322 cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
1325 unsigned char cdrRead1(void) {
1326 if ((cdr.ResultP & 0xf) < cdr.ResultC)
1327 psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
1331 if (cdr.ResultP == cdr.ResultC)
1332 cdr.ResultReady = 0;
1334 CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801));
1336 return psxHu8(0x1801);
1339 void cdrWrite1(unsigned char rt) {
1343 CDR_LOG_IO("cdr w1: %02x\n", rt);
1345 switch (cdr.Ctrl & 3) {
1349 cdr.AttenuatorRight[1] = rt;
1358 #ifdef CDR_LOG_CMD_IRQ
1359 SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
1361 SysPrintf(" Param[%d] = {", cdr.ParamC);
1362 for (i = 0; i < cdr.ParamC; i++)
1363 SysPrintf(" %x,", cdr.Param[i]);
1370 cdr.ResultReady = 0;
1372 // cdr.Stat = NoIntr;
1373 AddIrqQueue(cdr.Cmd, 0x800);
1392 for (i = 0; i < 3; i++)
1393 set_loc[i] = btoi(cdr.Param[i]);
1395 // FIXME: clean up this SetSector/SetSectorPlay mess,
1396 // there should be single var tracking current sector pos
1398 i = msf2sec(cdr.SetSectorPlay);
1400 i = msf2sec(cdr.SetSector);
1401 i = abs(i - msf2sec(set_loc));
1403 cdr.Seeked = SEEK_PENDING;
1405 memcpy(cdr.SetSector, set_loc, 3);
1406 cdr.SetSector[3] = 0;
1410 // Vib Ribbon: try same track again
1414 if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
1415 if (CDR_getTN(cdr.ResultTN) != -1) {
1416 if (cdr.CurTrack > cdr.ResultTN[1])
1417 cdr.CurTrack = cdr.ResultTN[1];
1418 if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
1419 int tmp = cdr.ResultTD[2];
1420 cdr.ResultTD[2] = cdr.ResultTD[0];
1421 cdr.ResultTD[0] = tmp;
1422 if (!Config.Cdda) CDR_play(cdr.ResultTD);
1427 // Vib Ribbon - decoded buffer IRQ for CDDA reading
1428 // - fixes ribbon timing + music CD mode
1430 //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
1434 cdr.StatP |= STATUS_SEEK;
1435 cdr.StatP &= ~STATUS_ROTATING;
1441 cdr.FirstSector = 1;
1451 // GameShark CD Player: Reset CDDA to track start
1455 // grab time for current track
1456 CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
1458 cdr.SetSectorPlay[0] = cdr.ResultTD[2];
1459 cdr.SetSectorPlay[1] = cdr.ResultTD[1];
1460 cdr.SetSectorPlay[2] = cdr.ResultTD[0];
1469 GameShark CD Player: save time for resume
1471 Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
1480 cdr.Seeked = SEEK_DONE;
1487 // Duke Nukem - Time to Kill
1488 // - do not directly set cd-xa volume
1489 //SPU_writeRegister( H_CDLeft, 0x0000 );
1490 //SPU_writeRegister( H_CDRight, 0x0000 );
1496 // Duke Nukem - Time to Kill
1497 // - do not directly set cd-xa volume
1498 //SPU_writeRegister( H_CDLeft, 0x7f00 );
1499 //SPU_writeRegister( H_CDRight, 0x7f00 );
1503 cdr.File = cdr.Param[0];
1504 cdr.Channel = cdr.Param[1];
1508 CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
1510 cdr.Mode = cdr.Param[0];
1512 // Squaresoft on PlayStation 1998 Collector's CD Vol. 1
1513 // - fixes choppy movie sound
1514 if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
1519 //AddIrqQueue(cdr.Cmd, 0x800);
1521 // GameShark CDX CD Player: very long time
1522 AddIrqQueue(cdr.Cmd, 0x100000);
1527 // Tomb Raider 2 - reset cdda
1535 cdr.FirstSector = 1;
1541 CDR_LOG_I("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
1546 unsigned char cdrRead2(void) {
1549 if (cdr.Readed == 0) {
1555 CDR_LOG_IO("cdr r2: %02x\n", ret);
1559 void cdrWrite2(unsigned char rt) {
1560 CDR_LOG_IO("cdr w2: %02x\n", rt);
1562 switch (cdr.Ctrl & 3) {
1564 if (cdr.ParamC < 8) // FIXME: size and wrapping
1565 cdr.Param[cdr.ParamC++] = rt;
1572 cdr.AttenuatorLeft[0] = rt;
1575 cdr.AttenuatorRight[0] = rt;
1580 unsigned char cdrRead3(void) {
1582 psxHu8(0x1803) = cdr.Stat | 0xE0;
1584 psxHu8(0x1803) = cdr.Reg2 | 0xE0;
1586 CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803));
1587 return psxHu8(0x1803);
1590 void cdrWrite3(unsigned char rt) {
1591 CDR_LOG_IO("cdr w3: %02x\n", rt);
1593 switch (cdr.Ctrl & 3) {
1603 cdr.AttenuatorLeft[1] = rt;
1607 CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
1608 cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
1609 cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
1613 if ((rt & 0x80) && cdr.Readed == 0) {
1615 pTransfer = cdr.Transfer;
1617 switch (cdr.Mode & 0x30) {
1618 case MODE_SIZE_2328:
1623 case MODE_SIZE_2340:
1633 void psxDma3(u32 madr, u32 bcr, u32 chcr) {
1638 CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
1643 if (cdr.Readed == 0) {
1644 CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
1648 cdsize = (bcr & 0xffff) * 4;
1650 // Ape Escape: bcr = 0001 / 0000
1654 switch (cdr.Mode & 0x30) {
1655 case 0x00: cdsize = 2048; break;
1656 case MODE_SIZE_2328: cdsize = 2328; break;
1657 case MODE_SIZE_2340: cdsize = 2340; break;
1662 ptr = (u8 *)PSXM(madr);
1664 CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
1669 GS CDX: Enhancement CD crash
1672 - Spams DMA3 and gets buffer overrun
1674 size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
1679 memcpy(ptr, pTransfer, size);
1682 psxCpu->Clear(madr, cdsize / 4);
1683 pTransfer += cdsize;
1687 if( chcr == 0x11400100 ) {
1688 CDRDMA_INT( (cdsize/4) / 4 );
1690 else if( chcr == 0x11000000 ) {
1691 CDRDMA_INT( (cdsize/4) * 1 );
1696 CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
1700 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1704 void cdrDmaInterrupt()
1706 if (HW_DMA3_CHCR & SWAP32(0x01000000))
1708 HW_DMA3_CHCR &= SWAP32(~0x01000000);
1714 memset(&cdr, 0, sizeof(cdr));
1718 pTransfer = cdr.Transfer;
1720 // BIOS player - default values
1721 cdr.AttenuatorLeft[0] = 0x80;
1722 cdr.AttenuatorLeft[1] = 0x00;
1723 cdr.AttenuatorRight[0] = 0x00;
1724 cdr.AttenuatorRight[1] = 0x80;
1727 int cdrFreeze(void *f, int Mode) {
1734 gzfreeze(&cdr, sizeof(cdr));
1737 cdr.ParamP = cdr.ParamC;
1738 tmp = pTransfer - cdr.Transfer;
1741 gzfreeze(&tmp, sizeof(tmp));
1744 pTransfer = cdr.Transfer + tmp;
1746 if (cdr.Play && !Config.Cdda)
1747 CDR_play(cdr.SetSectorPlay);
1753 void LidInterrupt() {
1754 cdr.LidCheck = 0x20; // start checker
1756 CDRLID_INT( cdReadTime * 3 );
1758 // generate interrupt if none active - open or close
1759 if (cdr.Irq == 0 || cdr.Irq == 0xff) {
1762 AddIrqQueue(CdlNop, 0x800);