* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
-/*
+/*
* Handles all CD-ROM registers and functions.
*/
#include "ppf.h"
#include "psxdma.h"
+/* logging */
+#if 0
+#define CDR_LOG SysPrintf
+#else
+#define CDR_LOG(...)
+#endif
+#if 0
+#define CDR_LOG_I SysPrintf
+#else
+#define CDR_LOG_I(...)
+#endif
+#if 0
+#define CDR_LOG_IO SysPrintf
+#else
+#define CDR_LOG_IO(...)
+#endif
+//#define CDR_LOG_CMD_IRQ
+
cdrStruct cdr;
+static unsigned char *pTransfer;
/* CD-ROM magic numbers */
#define CdlSync 0
#define CdlID 26
#define CdlReadS 27
#define CdlReset 28
+#define CdlGetQ 29
#define CdlReadToc 30
-#define AUTOPAUSE 249
-#define READ_ACK 250
-#define READ 251
-#define REPPLAY_ACK 252
-#define REPPLAY 253
-#define ASYNC 254
-/* don't set 255, it's reserved */
-
char *CmdName[0x100]= {
"CdlSync", "CdlNop", "CdlSetloc", "CdlPlay",
"CdlForward", "CdlBackward", "CdlReadN", "CdlStandby",
#define MODE_STRSND (1<<6) // 0x40 ADPCM on/off
#define MODE_SIZE_2340 (1<<5) // 0x20
#define MODE_SIZE_2328 (1<<4) // 0x10
+#define MODE_SIZE_2048 (0<<4) // 0x00
#define MODE_SF (1<<3) // 0x08 channel on/off
#define MODE_REPORT (1<<2) // 0x04
#define MODE_AUTOPAUSE (1<<1) // 0x02
#define STATUS_ROTATING (1<<1) // 0x02
#define STATUS_ERROR (1<<0) // 0x01
-
+/* Errors */
+#define ERROR_NOTREADY (1<<7) // 0x80
+#define ERROR_INVALIDCMD (1<<6) // 0x40
+#define ERROR_INVALIDARG (1<<5) // 0x20
// 1x = 75 sectors per second
// PSXCLK = 1 sec in the ps
// so (PSXCLK / 75) = cdr read time (linuzappz)
#define cdReadTime (PSXCLK / 75)
+enum drive_state {
+ DRIVESTATE_STANDBY = 0,
+ DRIVESTATE_LID_OPEN,
+ DRIVESTATE_RESCAN_CD,
+ DRIVESTATE_PREPARE_CD,
+ DRIVESTATE_STOPPED,
+};
+
+// for cdr.Seeked
+enum seeked_state {
+ SEEK_PENDING = 0,
+ SEEK_DONE = 1,
+};
+
static struct CdrStat stat;
-static unsigned int msf2sec(char *msf) {
+static unsigned int msf2sec(const u8 *msf) {
return ((msf[0] * 60 + msf[1]) * 75) + msf[2];
}
-static void sec2msf(unsigned int s, char *msf) {
+// for that weird psemu API..
+static unsigned int fsm2sec(const u8 *msf) {
+ return ((msf[2] * 60 + msf[1]) * 75) + msf[0];
+}
+
+static void sec2msf(unsigned int s, u8 *msf) {
msf[0] = s / 75 / 60;
s = s - msf[0] * 75 * 60;
msf[1] = s / 75;
msf[2] = s;
}
-
+// cdrInterrupt
#define CDR_INT(eCycle) { \
psxRegs.interrupt |= (1 << PSXINT_CDR); \
psxRegs.intCycle[PSXINT_CDR].cycle = eCycle; \
new_dyna_set_event(PSXINT_CDR, eCycle); \
}
+// cdrReadInterrupt
#define CDREAD_INT(eCycle) { \
psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
new_dyna_set_event(PSXINT_CDREAD, eCycle); \
}
+// cdrLidSeekInterrupt
#define CDRLID_INT(eCycle) { \
psxRegs.interrupt |= (1 << PSXINT_CDRLID); \
psxRegs.intCycle[PSXINT_CDRLID].cycle = eCycle; \
new_dyna_set_event(PSXINT_CDRLID, eCycle); \
}
-#define CDRPLAY_INT(eCycle) { \
+// cdrPlayInterrupt
+#define CDRMISC_INT(eCycle) { \
psxRegs.interrupt |= (1 << PSXINT_CDRPLAY); \
psxRegs.intCycle[PSXINT_CDRPLAY].cycle = eCycle; \
psxRegs.intCycle[PSXINT_CDRPLAY].sCycle = psxRegs.cycle; \
new_dyna_set_event(PSXINT_CDRPLAY, eCycle); \
}
-#define StartReading(type, eCycle) { \
- cdr.Reading = type; \
- cdr.FirstSector = 1; \
- cdr.Readed = 0xff; \
- AddIrqQueue(READ_ACK, eCycle); \
-}
-
#define StopReading() { \
if (cdr.Reading) { \
cdr.Reading = 0; \
psxRegs.interrupt &= ~(1 << PSXINT_CDREAD); \
} \
- cdr.StatP &= ~STATUS_READ;\
+ cdr.StatP &= ~(STATUS_READ|STATUS_SEEK);\
}
#define StopCdda() { \
}
#define SetResultSize(size) { \
- cdr.ResultP = 0; \
+ cdr.ResultP = 0; \
cdr.ResultC = size; \
cdr.ResultReady = 1; \
}
+static void setIrq(void)
+{
+ if (cdr.Stat & cdr.Reg2)
+ psxHu32ref(0x1070) |= SWAP32((u32)0x4);
+}
+// timing used in this function was taken from tests on real hardware
+// (yes it's slow, but you probably don't want to modify it)
void cdrLidSeekInterrupt()
{
- // turn back on checking
- if( cdr.LidCheck == 0x10 )
- {
- cdr.LidCheck = 0;
- }
-
- // official lid close
- else if( cdr.LidCheck == 0x30 )
- {
- // GS CDX 3.3: $13
- cdr.StatP |= STATUS_ROTATING;
-
-
- // GS CDX 3.3 - ~50 getlocp tries
- CDRLID_INT( cdReadTime * 3 );
- cdr.LidCheck = 0x40;
- }
-
- // turn off ready
- else if( cdr.LidCheck == 0x40 )
- {
- // GS CDX 3.3: $01
- cdr.StatP &= ~STATUS_SHELLOPEN;
- cdr.StatP &= ~STATUS_ROTATING;
-
-
- // GS CDX 3.3 - ~50 getlocp tries
- CDRLID_INT( cdReadTime * 3 );
- cdr.LidCheck = 0x50;
- }
-
- // now seek
- else if( cdr.LidCheck == 0x50 )
- {
- // GameShark Lite: Start seeking ($42)
- cdr.StatP |= STATUS_SEEK;
- cdr.StatP |= STATUS_ROTATING;
- cdr.StatP &= ~STATUS_ERROR;
-
-
- CDRLID_INT( cdReadTime * 3 );
- cdr.LidCheck = 0x60;
- }
-
- // done = cd ready
- else if( cdr.LidCheck == 0x60 )
- {
- // GameShark Lite: Seek detection done ($02)
+ switch (cdr.DriveState) {
+ default:
+ case DRIVESTATE_STANDBY:
cdr.StatP &= ~STATUS_SEEK;
- cdr.LidCheck = 0;
- }
-}
-
-
-static void Check_Shell( int Irq )
-{
- // check case open/close
- if (cdr.LidCheck > 0)
- {
-#ifdef CDR_LOG
- CDR_LOG( "LidCheck\n" );
-#endif
+ if (CDR_getStatus(&stat) == -1)
+ return;
- // $20 = check lid state
- if( cdr.LidCheck == 0x20 )
+ if (stat.Status & STATUS_SHELLOPEN)
{
- u32 i;
-
- i = stat.Status;
- if (CDR_getStatus(&stat) != -1)
- {
- // BIOS hangs + BIOS error messages
- //if (stat.Type == 0xff)
- //cdr.Stat = DiskError;
-
- // case now open
- if (stat.Status & STATUS_SHELLOPEN)
- {
- // Vib Ribbon: pre-CD swap
- StopCdda();
-
-
- // GameShark Lite: Death if DiskError happens
- //
- // Vib Ribbon: Needs DiskError for CD swap
-
- if (Irq != CdlNop)
- {
- cdr.Stat = DiskError;
-
- cdr.StatP |= STATUS_ERROR;
- cdr.Result[0] |= STATUS_ERROR;
- }
-
- // GameShark Lite: Wants -exactly- $10
- cdr.StatP |= STATUS_SHELLOPEN;
- cdr.StatP &= ~STATUS_ROTATING;
-
-
- CDRLID_INT( cdReadTime * 3 );
- cdr.LidCheck = 0x10;
-
-
- // GS CDX 3.3 = $11
- }
-
- // case just closed
- else if ( i & STATUS_SHELLOPEN )
- {
- cdr.StatP |= STATUS_ROTATING;
-
- CheckCdrom();
-
-
- if( cdr.Stat == NoIntr )
- cdr.Stat = Acknowledge;
-
- psxHu32ref(0x1070) |= SWAP32((u32)0x4);
-
-
- // begin close-seek-ready cycle
- CDRLID_INT( cdReadTime * 3 );
- cdr.LidCheck = 0x30;
-
-
- // GameShark Lite: Wants -exactly- $42, then $02
- // GS CDX 3.3: Wants $11/$80, $13/$80, $01/$00
- }
-
- // case still closed - wait for recheck
- else
- {
- CDRLID_INT( cdReadTime * 3 );
- cdr.LidCheck = 0x10;
- }
- }
+ StopCdda();
+ cdr.DriveState = DRIVESTATE_LID_OPEN;
+ CDRLID_INT(0x800);
}
+ break;
+ case DRIVESTATE_LID_OPEN:
+ if (CDR_getStatus(&stat) == -1)
+ stat.Status &= ~STATUS_SHELLOPEN;
- // GS CDX: clear all values but #1,#2
- if( (cdr.LidCheck >= 0x30) || (cdr.StatP & STATUS_SHELLOPEN) )
- {
- SetResultSize(16);
- memset( cdr.Result, 0, 16 );
-
- cdr.Result[0] = cdr.StatP;
-
-
- // GS CDX: special return value
- if( cdr.StatP & STATUS_SHELLOPEN )
- {
- cdr.Result[1] = 0x80;
- }
-
+ // 02, 12, 10
+ if (!(cdr.StatP & STATUS_SHELLOPEN)) {
+ StopReading();
+ cdr.StatP |= STATUS_SHELLOPEN;
- if( cdr.Stat == NoIntr )
- cdr.Stat = Acknowledge;
+ // could generate error irq here, but real hardware
+ // only sometimes does that
+ // (not done when lots of commands are sent?)
- psxHu32ref(0x1070) |= SWAP32((u32)0x4);
+ CDRLID_INT(cdReadTime * 30);
+ break;
}
- }
-}
-
-
-void Find_CurTrack() {
- cdr.CurTrack = 0;
-
- if (CDR_getTN(cdr.ResultTN) != -1) {
- int lcv;
-
- for( lcv = 1; lcv <= cdr.ResultTN[1]; lcv++ ) {
- if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
- u32 sect1, sect2;
-
-#ifdef CDR_LOG___0
- CDR_LOG( "curtrack %d %d %d | %d %d %d | %d\n",
- cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
- cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
- cdr.CurTrack );
-#endif
-
- // find next track boundary - only need m:s accuracy
- sect1 = cdr.SetSectorPlay[0] * 60 * 75 + cdr.SetSectorPlay[1] * 75;
- sect2 = cdr.ResultTD[2] * 60 * 75 + cdr.ResultTD[1] * 75;
-
- // Twisted Metal 4 - psx cdda pregap (2-sec)
- // - fix in-game music
- sect2 -= 75 * 2;
+ else if (cdr.StatP & STATUS_ROTATING) {
+ cdr.StatP &= ~STATUS_ROTATING;
+ }
+ else if (!(stat.Status & STATUS_SHELLOPEN)) {
+ // closed now
+ CheckCdrom();
- if( sect1 >= sect2 ) {
- cdr.CurTrack++;
- continue;
- }
- }
+ // cdr.StatP STATUS_SHELLOPEN is "sticky"
+ // and is only cleared by CdlNop
+ cdr.DriveState = DRIVESTATE_RESCAN_CD;
+ CDRLID_INT(cdReadTime * 105);
break;
}
- }
-}
-static void ReadTrack( u8 *time ) {
- cdr.Prev[0] = itob( time[0] );
- cdr.Prev[1] = itob( time[1] );
- cdr.Prev[2] = itob( time[2] );
+ // recheck for close
+ CDRLID_INT(cdReadTime * 3);
+ break;
-#ifdef CDR_LOG
- CDR_LOG("ReadTrack() Log: KEY *** %x:%x:%x\n", cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
-#endif
- cdr.RErr = CDR_readTrack(cdr.Prev);
-}
+ case DRIVESTATE_RESCAN_CD:
+ cdr.StatP |= STATUS_ROTATING;
+ cdr.DriveState = DRIVESTATE_PREPARE_CD;
+ // this is very long on real hardware, over 6 seconds
+ // make it a bit faster here...
+ CDRLID_INT(cdReadTime * 150);
+ break;
-void AddIrqQueue(unsigned char irq, unsigned long ecycle) {
- cdr.Irq = irq;
- cdr.eCycle = ecycle;
+ case DRIVESTATE_PREPARE_CD:
+ cdr.StatP |= STATUS_SEEK;
- // Doom: Force rescheduling
- // - Fixes boot
- CDR_INT(ecycle);
+ cdr.DriveState = DRIVESTATE_STANDBY;
+ CDRLID_INT(cdReadTime * 26);
+ break;
+ }
}
-
-void Set_Track()
+static void Find_CurTrack(const u8 *time)
{
- if (CDR_getTN(cdr.ResultTN) != -1) {
- int lcv;
-
- for( lcv = 1; lcv < cdr.ResultTN[1]; lcv++ ) {
- if (CDR_getTD((u8)(lcv), cdr.ResultTD) != -1) {
-#ifdef CDR_LOG___0
- CDR_LOG( "settrack %d %d %d | %d %d %d | %d\n",
- cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
- cdr.ResultTD[2], cdr.ResultTD[1], cdr.ResultTD[0],
- cdr.CurTrack );
-#endif
+ int current, sect;
- // check if time matches track start (only need min, sec accuracy)
- // - m:s:f vs f:s:m
- if( cdr.SetSectorPlay[0] == cdr.ResultTD[2] &&
- cdr.SetSectorPlay[1] == cdr.ResultTD[1] ) {
- // skip pregap frames
- if( cdr.SetSectorPlay[2] < cdr.ResultTD[0] )
- cdr.SetSectorPlay[2] = cdr.ResultTD[0];
+ current = msf2sec(time);
- break;
- }
- else if( cdr.SetSectorPlay[0] < cdr.ResultTD[2] )
- break;
- }
- }
+ for (cdr.CurTrack = 1; cdr.CurTrack < cdr.ResultTN[1]; cdr.CurTrack++) {
+ CDR_getTD(cdr.CurTrack + 1, cdr.ResultTD);
+ sect = fsm2sec(cdr.ResultTD);
+ if (sect - current >= 150)
+ break;
}
}
-
-static u8 fake_subq_local[3], fake_subq_real[3], fake_subq_index, fake_subq_change;
-static void Create_Fake_Subq()
+static void generate_subq(const u8 *time)
{
- u8 temp_cur[3], temp_next[3], temp_start[3], pregap;
- int diff;
+ unsigned char start[3], next[3];
+ unsigned int this_s, start_s, next_s, pregap;
+ int relative_s;
- if (CDR_getTN(cdr.ResultTN) == -1) return;
- if( cdr.CurTrack+1 <= cdr.ResultTN[1] ) {
+ CDR_getTD(cdr.CurTrack, start);
+ if (cdr.CurTrack + 1 <= cdr.ResultTN[1]) {
pregap = 150;
- if( CDR_getTD(cdr.CurTrack+1, cdr.ResultTD) == -1 ) return;
- } else {
+ CDR_getTD(cdr.CurTrack + 1, next);
+ }
+ else {
// last track - cd size
pregap = 0;
- if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
- }
-
- if( cdr.Play == TRUE ) {
- temp_cur[0] = cdr.SetSectorPlay[0];
- temp_cur[1] = cdr.SetSectorPlay[1];
- temp_cur[2] = cdr.SetSectorPlay[2];
- } else {
- temp_cur[0] = btoi( cdr.Prev[0] );
- temp_cur[1] = btoi( cdr.Prev[1] );
- temp_cur[2] = btoi( cdr.Prev[2] );
+ next[0] = cdr.SetSectorEnd[2];
+ next[1] = cdr.SetSectorEnd[1];
+ next[2] = cdr.SetSectorEnd[0];
}
- fake_subq_real[0] = temp_cur[0];
- fake_subq_real[1] = temp_cur[1];
- fake_subq_real[2] = temp_cur[2];
+ this_s = msf2sec(time);
+ start_s = fsm2sec(start);
+ next_s = fsm2sec(next);
- temp_next[0] = cdr.ResultTD[2];
- temp_next[1] = cdr.ResultTD[1];
- temp_next[2] = cdr.ResultTD[0];
-
-
- // flag- next track
- if( msf2sec(temp_cur) >= msf2sec( temp_next )-pregap ) {
- fake_subq_change = 1;
+ cdr.TrackChanged = FALSE;
+ if (next_s - this_s < pregap) {
+ cdr.TrackChanged = TRUE;
cdr.CurTrack++;
-
- // end cd
- if( pregap == 0 ) StopCdda();
+ start_s = next_s;
}
- //////////////////////////////////////////////////
- //////////////////////////////////////////////////
+ cdr.subq.Index = 1;
- // repair
- if( cdr.CurTrack <= cdr.ResultTN[1] ) {
- if( CDR_getTD(cdr.CurTrack, cdr.ResultTD) == -1 ) return;
- } else {
- // last track - cd size
- if( CDR_getTD(0, cdr.ResultTD) == -1 ) return;
+ relative_s = this_s - start_s;
+ if (relative_s < 0) {
+ cdr.subq.Index = 0;
+ relative_s = -relative_s;
}
-
- temp_start[0] = cdr.ResultTD[2];
- temp_start[1] = cdr.ResultTD[1];
- temp_start[2] = cdr.ResultTD[0];
+ sec2msf(relative_s, cdr.subq.Relative);
+
+ cdr.subq.Track = itob(cdr.CurTrack);
+ cdr.subq.Relative[0] = itob(cdr.subq.Relative[0]);
+ cdr.subq.Relative[1] = itob(cdr.subq.Relative[1]);
+ cdr.subq.Relative[2] = itob(cdr.subq.Relative[2]);
+ cdr.subq.Absolute[0] = itob(time[0]);
+ cdr.subq.Absolute[1] = itob(time[1]);
+ cdr.subq.Absolute[2] = itob(time[2]);
+}
+static void ReadTrack(const u8 *time) {
+ unsigned char tmp[3];
+ struct SubQ *subq;
+ u16 crc;
-#ifdef CDR_LOG
- CDR_LOG( "CDDA FAKE SUB - %d:%d:%d / %d:%d:%d / %d:%d:%d\n",
- temp_cur[0], temp_cur[1], temp_cur[2],
- temp_start[0], temp_start[1], temp_start[2],
- temp_next[0], temp_next[1], temp_next[2]);
-#endif
+ tmp[0] = itob(time[0]);
+ tmp[1] = itob(time[1]);
+ tmp[2] = itob(time[2]);
+ if (memcmp(cdr.Prev, tmp, 3) == 0)
+ return;
+ CDR_LOG("ReadTrack *** %02x:%02x:%02x\n", tmp[0], tmp[1], tmp[2]);
- // local time - pregap / real
- diff = msf2sec(temp_cur) - msf2sec( temp_start );
- if( diff < 0 ) {
- fake_subq_index = 0;
+ cdr.RErr = CDR_readTrack(tmp);
+ memcpy(cdr.Prev, tmp, 3);
- sec2msf( -diff, fake_subq_local );
- } else {
- fake_subq_index = 1;
+ if (CheckSBI(time))
+ return;
- sec2msf( diff, fake_subq_local );
+ subq = (struct SubQ *)CDR_getBufferSub();
+ if (subq != NULL && cdr.CurTrack == 1) {
+ crc = calcCrc((u8 *)subq + 12, 10);
+ if (crc == (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
+ cdr.subq.Track = subq->TrackNumber;
+ cdr.subq.Index = subq->IndexNumber;
+ memcpy(cdr.subq.Relative, subq->TrackRelativeAddress, 3);
+ memcpy(cdr.subq.Absolute, subq->AbsoluteAddress, 3);
+ }
+ else {
+ CDR_LOG_I("subq bad crc @%02x:%02x:%02x\n",
+ tmp[0], tmp[1], tmp[2]);
+ }
+ }
+ else {
+ generate_subq(time);
}
-}
-
-
-static void cdrPlayInterrupt_Autopause()
-{
- struct SubQ *subq = (struct SubQ *)CDR_getBufferSub();
- if (subq != NULL ) {
-#ifdef CDR_LOG
- CDR_LOG( "CDDA SUB - %X:%X:%X\n",
- subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
-#endif
-
- /*
- CDDA Autopause
-
- Silhouette Mirage ($3)
- Tomb Raider 1 ($7)
- */
- if( cdr.CurTrack >= btoi( subq->TrackNumber ) )
- return;
- } else {
- Create_Fake_Subq();
-#ifdef CDR_LOG___0
- CDR_LOG( "CDDA FAKE SUB - %d:%d:%d\n",
- fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
-#endif
+ CDR_LOG(" -> %02x,%02x %02x:%02x:%02x %02x:%02x:%02x\n",
+ cdr.subq.Track, cdr.subq.Index,
+ cdr.subq.Relative[0], cdr.subq.Relative[1], cdr.subq.Relative[2],
+ cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]);
+}
- if( !fake_subq_change )
+static void AddIrqQueue(unsigned short irq, unsigned long ecycle) {
+ if (cdr.Irq != 0) {
+ if (irq == cdr.Irq || irq + 0x100 == cdr.Irq) {
+ cdr.IrqRepeated = 1;
+ CDR_INT(ecycle);
return;
+ }
- fake_subq_change = 0;
+ CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq);
}
- if (cdr.Mode & MODE_AUTOPAUSE) {
-#ifdef CDR_LOG
+ cdr.Irq = irq;
+ cdr.eCycle = ecycle;
+
+ CDR_INT(ecycle);
+}
+
+static void cdrPlayInterrupt_Autopause()
+{
+ if ((cdr.Mode & MODE_AUTOPAUSE) && cdr.TrackChanged) {
CDR_LOG( "CDDA STOP\n" );
-#endif
// Magic the Gathering
// - looping territory cdda
//cdr.ResultReady = 1;
//cdr.Stat = DataReady;
cdr.Stat = DataEnd;
- psxHu32ref(0x1070) |= SWAP32((u32)0x4);
+ setIrq();
StopCdda();
}
- if (cdr.Mode & MODE_REPORT) {
- // rearmed note: PCSX-Reloaded does this for every sector,
- // but we try to get away with only track change here.
- memset( cdr.Result, 0, 8 );
- cdr.Result[0] |= 0x10;
-
- if (subq != NULL) {
-#ifdef CDR_LOG
- CDR_LOG( "REPPLAY SUB - %X:%X:%X\n",
- subq->AbsoluteAddress[0], subq->AbsoluteAddress[1], subq->AbsoluteAddress[2] );
-#endif
- cdr.CurTrack = btoi( subq->TrackNumber );
-
- // BIOS CD Player: data already BCD format
- cdr.Result[1] = subq->TrackNumber;
- cdr.Result[2] = subq->IndexNumber;
-
- cdr.Result[3] = subq->AbsoluteAddress[0];
- cdr.Result[4] = subq->AbsoluteAddress[1];
- cdr.Result[5] = subq->AbsoluteAddress[2];
- } else {
-#ifdef CDR_LOG___0
- CDR_LOG( "REPPLAY FAKE - %d:%d:%d\n",
- fake_subq_real[0], fake_subq_real[1], fake_subq_real[2] );
-#endif
+ else if (cdr.Mode & MODE_REPORT) {
+
+ cdr.Result[0] = cdr.StatP;
+ cdr.Result[1] = cdr.subq.Track;
+ cdr.Result[2] = cdr.subq.Index;
- // track # / index #
- cdr.Result[1] = itob(cdr.CurTrack);
- cdr.Result[2] = itob(fake_subq_index);
- // absolute
- cdr.Result[3] = itob( fake_subq_real[0] );
- cdr.Result[4] = itob( fake_subq_real[1] );
- cdr.Result[5] = itob( fake_subq_real[2] );
+ if (cdr.subq.Absolute[2] & 0x10) {
+ cdr.Result[3] = cdr.subq.Relative[0];
+ cdr.Result[4] = cdr.subq.Relative[1] | 0x80;
+ cdr.Result[5] = cdr.subq.Relative[2];
}
+ else {
+ cdr.Result[3] = cdr.subq.Absolute[0];
+ cdr.Result[4] = cdr.subq.Absolute[1];
+ cdr.Result[5] = cdr.subq.Absolute[2];
+ }
+
+ cdr.Result[6] = 0;
+ cdr.Result[7] = 0;
// Rayman: Logo freeze (resultready + dataready)
cdr.ResultReady = 1;
cdr.Stat = DataReady;
SetResultSize(8);
- psxHu32ref(0x1070) |= SWAP32((u32)0x4);
+ setIrq();
}
}
+// also handles seek
void cdrPlayInterrupt()
{
- if( !cdr.Play ) return;
+ if (cdr.Seeked == SEEK_PENDING) {
+ if (cdr.Stat) {
+ CDR_LOG_I("cdrom: seek stat hack\n");
+ CDRMISC_INT(0x1000);
+ return;
+ }
+ SetResultSize(1);
+ cdr.StatP |= STATUS_ROTATING;
+ cdr.StatP &= ~STATUS_SEEK;
+ cdr.Result[0] = cdr.StatP;
+ cdr.Seeked = SEEK_DONE;
+ if (cdr.Irq == 0) {
+ cdr.Stat = Complete;
+ setIrq();
+ }
+
+ if (cdr.SetlocPending) {
+ memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
+ cdr.SetlocPending = 0;
+ }
+ Find_CurTrack(cdr.SetSectorPlay);
+ ReadTrack(cdr.SetSectorPlay);
+ cdr.TrackChanged = FALSE;
+ }
+
+ if (!cdr.Play) return;
-#ifdef CDR_LOG
CDR_LOG( "CDDA - %d:%d:%d\n",
cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
-#endif
- CDRPLAY_INT( cdReadTime );
- if (!cdr.Irq && !cdr.Stat && (cdr.Mode & MODE_CDDA) && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
+ if (memcmp(cdr.SetSectorPlay, cdr.SetSectorEnd, 3) == 0) {
+ StopCdda();
+ cdr.TrackChanged = TRUE;
+ }
+
+ if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
cdrPlayInterrupt_Autopause();
+ if (!cdr.Play) return;
+
cdr.SetSectorPlay[2]++;
if (cdr.SetSectorPlay[2] == 75) {
cdr.SetSectorPlay[2] = 0;
}
}
- //Check_Shell(0);
+ CDRMISC_INT(cdReadTime);
+
+ // update for CdlGetlocP/autopause
+ generate_subq(cdr.SetSectorPlay);
}
void cdrInterrupt() {
- int i;
- unsigned char Irq = cdr.Irq;
- struct SubQ *subq;
+ u16 Irq = cdr.Irq;
+ int no_busy_error = 0;
+ int start_rotating = 0;
+ int error = 0;
+ int delay;
// Reschedule IRQ
if (cdr.Stat) {
- CDR_INT( 0x100 );
+ CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat);
+ CDR_INT(0x1000);
return;
}
- cdr.Irq = 0xff;
cdr.Ctrl &= ~0x80;
+ // default response
+ SetResultSize(1);
+ cdr.Result[0] = cdr.StatP;
+ cdr.Stat = Acknowledge;
+
+ if (cdr.IrqRepeated) {
+ cdr.IrqRepeated = 0;
+ if (cdr.eCycle > psxRegs.cycle) {
+ CDR_INT(cdr.eCycle);
+ goto finish;
+ }
+ }
+
+ cdr.Irq = 0;
+
switch (Irq) {
case CdlSync:
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = Acknowledge;
+ // TOOD: sometimes/always return error?
break;
case CdlNop:
- SetResultSize(1);
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = Acknowledge;
-
- if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
+ if (cdr.DriveState != DRIVESTATE_LID_OPEN)
+ cdr.StatP &= ~STATUS_SHELLOPEN;
+ no_busy_error = 1;
break;
case CdlSetloc:
- cdr.CmdProcess = 0;
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = Acknowledge;
break;
+ do_CdlPlay:
case CdlPlay:
- fake_subq_change = 0;
+ StopCdda();
+ if (cdr.Seeked == SEEK_PENDING) {
+ // XXX: wrong, should seek instead..
+ cdr.Seeked = SEEK_DONE;
+ }
+ if (cdr.SetlocPending) {
+ memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
+ cdr.SetlocPending = 0;
+ }
+
+ // BIOS CD Player
+ // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
+
+ if (cdr.ParamC == 0 || cdr.Param[0] == 0) {
+ CDR_LOG("PLAY Resume @ %d:%d:%d\n",
+ cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2]);
+ }
+ else
+ {
+ int track = btoi( cdr.Param[0] );
+
+ if (track <= cdr.ResultTN[1])
+ cdr.CurTrack = track;
+
+ CDR_LOG("PLAY track %d\n", cdr.CurTrack);
- if( cdr.Seeked == FALSE ) {
- memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
- cdr.Seeked = TRUE;
+ if (CDR_getTD((u8)cdr.CurTrack, cdr.ResultTD) != -1) {
+ cdr.SetSectorPlay[0] = cdr.ResultTD[2];
+ cdr.SetSectorPlay[1] = cdr.ResultTD[1];
+ cdr.SetSectorPlay[2] = cdr.ResultTD[0];
+ }
}
/*
Wild 9: skip PREGAP + starting accurate SubQ
- plays tracks without retry play
*/
- Set_Track();
- Find_CurTrack();
- ReadTrack( cdr.SetSectorPlay );
-
-
- // GameShark CD Player: Calls 2x + Play 2x
- if( cdr.FastBackward || cdr.FastForward ) {
- if( cdr.FastForward ) cdr.FastForward--;
- if( cdr.FastBackward ) cdr.FastBackward--;
-
- if( cdr.FastBackward == 0 && cdr.FastForward == 0 ) {
- if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
- cdr.SetSectorPlay[0] = stat.Time[0];
- cdr.SetSectorPlay[1] = stat.Time[1];
- cdr.SetSectorPlay[2] = stat.Time[2];
- }
- }
- }
-
-
- if (!Config.Cdda) {
- // BIOS CD Player
- // - Pause player, hit Track 01/02/../xx (Setloc issued!!)
-
- // GameShark CD Player: Resume play
- if( cdr.ParamC == 0 ) {
-#ifdef CDR_LOG___0
- CDR_LOG( "PLAY Resume @ %d:%d:%d\n",
- cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
-#endif
-
- //CDR_play( cdr.SetSectorPlay );
- }
- else
- {
- // BIOS CD Player: Resume play
- if( cdr.Param[0] == 0 ) {
-#ifdef CDR_LOG___0
- CDR_LOG( "PLAY Resume T0 @ %d:%d:%d\n",
- cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
-#endif
-
- //CDR_play( cdr.SetSectorPlay );
- }
- else {
-#ifdef CDR_LOG___0
- CDR_LOG( "PLAY Resume Td @ %d:%d:%d\n",
- cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2] );
-#endif
-
- // BIOS CD Player: Allow track replaying
- StopCdda();
-
-
- cdr.CurTrack = btoi( cdr.Param[0] );
-
- if (CDR_getTN(cdr.ResultTN) != -1) {
- // check last track
- if (cdr.CurTrack > cdr.ResultTN[1])
- cdr.CurTrack = cdr.ResultTN[1];
-
- if (CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD) != -1) {
- cdr.SetSectorPlay[0] = cdr.ResultTD[2];
- cdr.SetSectorPlay[1] = cdr.ResultTD[1];
- cdr.SetSectorPlay[2] = cdr.ResultTD[0];
-
- // reset data
- Set_Track();
- Find_CurTrack();
- ReadTrack( cdr.SetSectorPlay );
-
- //CDR_play(cdr.SetSectorPlay);
- }
- }
- }
- }
- }
+ Find_CurTrack(cdr.SetSectorPlay);
+ ReadTrack(cdr.SetSectorPlay);
+ cdr.TrackChanged = FALSE;
+ if (!Config.Cdda)
+ CDR_play(cdr.SetSectorPlay);
// Vib Ribbon: gameplay checks flag
cdr.StatP &= ~STATUS_SEEK;
-
-
- cdr.CmdProcess = 0;
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
cdr.Result[0] = cdr.StatP;
- cdr.Stat = Acknowledge;
cdr.StatP |= STATUS_PLAY;
-
// BIOS player - set flag again
cdr.Play = TRUE;
- CDRPLAY_INT( cdReadTime );
+ CDRMISC_INT( cdReadTime );
+ start_rotating = 1;
break;
case CdlForward:
- cdr.CmdProcess = 0;
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
+ // TODO: error 80 if stopped
cdr.Stat = Complete;
-
// GameShark CD Player: Calls 2x + Play 2x
if( cdr.FastForward == 0 ) cdr.FastForward = 2;
else cdr.FastForward++;
break;
case CdlBackward:
- cdr.CmdProcess = 0;
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
cdr.Stat = Complete;
-
// GameShark CD Player: Calls 2x + Play 2x
if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
else cdr.FastBackward++;
break;
case CdlStandby:
- cdr.CmdProcess = 0;
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
+ if (cdr.DriveState != DRIVESTATE_STOPPED) {
+ error = ERROR_INVALIDARG;
+ goto set_error;
+ }
+ AddIrqQueue(CdlStandby + 0x100, cdReadTime * 125 / 2);
+ start_rotating = 1;
+ break;
+
+ case CdlStandby + 0x100:
cdr.Stat = Complete;
break;
case CdlStop:
- cdr.CmdProcess = 0;
- SetResultSize(1);
+ if (cdr.Play) {
+ // grab time for current track
+ CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
+
+ cdr.SetSectorPlay[0] = cdr.ResultTD[2];
+ cdr.SetSectorPlay[1] = cdr.ResultTD[1];
+ cdr.SetSectorPlay[2] = cdr.ResultTD[0];
+ }
+
+ StopCdda();
+ StopReading();
+
+ delay = 0x800;
+ if (cdr.DriveState == DRIVESTATE_STANDBY)
+ delay = cdReadTime * 30 / 2;
+
+ cdr.DriveState = DRIVESTATE_STOPPED;
+ AddIrqQueue(CdlStop + 0x100, delay);
+ break;
+
+ case CdlStop + 0x100:
cdr.StatP &= ~STATUS_ROTATING;
cdr.Result[0] = cdr.StatP;
cdr.Stat = Complete;
-// cdr.Stat = Acknowledge;
-
- if (cdr.LidCheck == 0) cdr.LidCheck = 0x20;
break;
case CdlPause:
- SetResultSize(1);
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = Acknowledge;
-
/*
Gundam Battle Assault 2: much slower (*)
- Fixes boot, gameplay
InuYasha - Feudal Fairy Tale: slower
- Fixes battles
*/
- AddIrqQueue(CdlPause + 0x20, cdReadTime * 3);
+ AddIrqQueue(CdlPause + 0x100, cdReadTime * 3);
cdr.Ctrl |= 0x80;
break;
- case CdlPause + 0x20:
- SetResultSize(1);
+ case CdlPause + 0x100:
cdr.StatP &= ~STATUS_READ;
- cdr.StatP |= STATUS_ROTATING;
cdr.Result[0] = cdr.StatP;
cdr.Stat = Complete;
break;
case CdlInit:
- SetResultSize(1);
- cdr.StatP = STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = Acknowledge;
-// if (!cdr.Init) {
- AddIrqQueue(CdlInit + 0x20, 0x800);
-// }
- break;
+ AddIrqQueue(CdlInit + 0x100, cdReadTime * 6);
+ no_busy_error = 1;
+ start_rotating = 1;
+ break;
- case CdlInit + 0x20:
- SetResultSize(1);
- cdr.Result[0] = cdr.StatP;
+ case CdlInit + 0x100:
cdr.Stat = Complete;
- cdr.Init = 1;
break;
case CdlMute:
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = Acknowledge;
+ cdr.Muted = TRUE;
break;
case CdlDemute:
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = Acknowledge;
+ cdr.Muted = FALSE;
break;
case CdlSetfilter:
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = Acknowledge;
+ cdr.File = cdr.Param[0];
+ cdr.Channel = cdr.Param[1];
break;
case CdlSetmode:
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = Acknowledge;
+ no_busy_error = 1;
break;
case CdlGetmode:
SetResultSize(6);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
cdr.Result[1] = cdr.Mode;
cdr.Result[2] = cdr.File;
cdr.Result[3] = cdr.Channel;
cdr.Result[4] = 0;
cdr.Result[5] = 0;
- cdr.Stat = Acknowledge;
+ no_busy_error = 1;
break;
case CdlGetlocL:
SetResultSize(8);
- for (i = 0; i < 8; i++)
- cdr.Result[i] = cdr.Transfer[i];
- cdr.Stat = Acknowledge;
+ memcpy(cdr.Result, cdr.Transfer, 8);
break;
case CdlGetlocP:
- // GameShark CDX CD Player: uses 17 bytes output (wraps around)
- SetResultSize(17);
- memset( cdr.Result, 0, 16 );
-
- subq = (struct SubQ *)CDR_getBufferSub();
-
- if (subq != NULL) {
- cdr.Result[0] = subq->TrackNumber;
- cdr.Result[1] = subq->IndexNumber;
- memcpy(cdr.Result + 2, subq->TrackRelativeAddress, 3);
- memcpy(cdr.Result + 5, subq->AbsoluteAddress, 3);
-
-
- // subQ integrity check - data only (skip audio)
- if( subq->TrackNumber == 1 && stat.Type == 0x01 ) {
- if (calcCrc((u8 *)subq + 12, 10) != (((u16)subq->CRC[0] << 8) | subq->CRC[1])) {
- memset(cdr.Result + 2, 0, 3 + 3); // CRC wrong, wipe out time data
- }
- }
- } else {
- if( cdr.Play == FALSE || !(cdr.Mode & MODE_CDDA) || !(cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)) )
- Create_Fake_Subq();
-
-
- // track # / index #
- cdr.Result[0] = itob(cdr.CurTrack);
- cdr.Result[1] = itob(fake_subq_index);
-
- // local
- cdr.Result[2] = itob( fake_subq_local[0] );
- cdr.Result[3] = itob( fake_subq_local[1] );
- cdr.Result[4] = itob( fake_subq_local[2] );
+ SetResultSize(8);
+ memcpy(&cdr.Result, &cdr.subq, 8);
- // absolute
- cdr.Result[5] = itob( fake_subq_real[0] );
- cdr.Result[6] = itob( fake_subq_real[1] );
- cdr.Result[7] = itob( fake_subq_real[2] );
- }
+ if (!cdr.Play && !cdr.Reading)
+ cdr.Result[1] = 0; // HACK?
+ break;
- // redump.org - wipe time
- if( !cdr.Play && CheckSBI(cdr.Result+5) ) {
- memset( cdr.Result+2, 0, 6 );
- }
+ case CdlReadT: // SetSession?
+ // really long
+ AddIrqQueue(CdlReadT + 0x100, cdReadTime * 290 / 4);
+ start_rotating = 1;
+ break;
- cdr.Stat = Acknowledge;
+ case CdlReadT + 0x100:
+ cdr.Stat = Complete;
break;
case CdlGetTN:
- // 5-Star Racing: don't stop CDDA
- //
- // Vib Ribbon: CD swap
- StopReading();
-
- cdr.CmdProcess = 0;
SetResultSize(3);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
if (CDR_getTN(cdr.ResultTN) == -1) {
cdr.Stat = DiskError;
cdr.Result[0] |= STATUS_ERROR;
break;
case CdlGetTD:
- cdr.CmdProcess = 0;
cdr.Track = btoi(cdr.Param[0]);
SetResultSize(4);
- cdr.StatP |= STATUS_ROTATING;
if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
cdr.Stat = DiskError;
cdr.Result[0] |= STATUS_ERROR;
break;
case CdlSeekL:
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
+ case CdlSeekP:
+ StopCdda();
+ StopReading();
cdr.StatP |= STATUS_SEEK;
- cdr.Stat = Acknowledge;
/*
Crusaders of Might and Magic = 0.5x-4x
Rockman X5 = 0.5-4x
- fix capcom logo
*/
- AddIrqQueue(CdlSeekL + 0x20, cdReadTime * 4);
- break;
-
- case CdlSeekL + 0x20:
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.StatP &= ~STATUS_SEEK;
- cdr.Result[0] = cdr.StatP;
- cdr.Seeked = TRUE;
- cdr.Stat = Complete;
-
-
- // Mega Man Legends 2: must update read cursor for getlocp
- ReadTrack( cdr.SetSector );
- break;
-
- case CdlSeekP:
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
- cdr.StatP |= STATUS_SEEK;
- cdr.Stat = Acknowledge;
- AddIrqQueue(CdlSeekP + 0x20, cdReadTime * 1);
- break;
-
- case CdlSeekP + 0x20:
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.StatP &= ~STATUS_SEEK;
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = Complete;
- cdr.Seeked = TRUE;
-
- // GameShark Music Player
- memcpy( cdr.SetSectorPlay, cdr.SetSector, 4 );
-
- // Tomb Raider 2: must update read cursor for getlocp
- Find_CurTrack();
- ReadTrack( cdr.SetSectorPlay );
+ CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4);
+ cdr.Seeked = SEEK_PENDING;
+ start_rotating = 1;
break;
case CdlTest:
- cdr.Stat = Acknowledge;
switch (cdr.Param[0]) {
case 0x20: // System Controller ROM Version
SetResultSize(4);
memcpy(cdr.Result, Test23, 4);
break;
}
+ no_busy_error = 1;
break;
case CdlID:
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = Acknowledge;
- AddIrqQueue(CdlID + 0x20, 0x800);
+ AddIrqQueue(CdlID + 0x100, 20480);
break;
- case CdlID + 0x20:
+ case CdlID + 0x100:
SetResultSize(8);
+ cdr.Result[0] = cdr.StatP;
+ cdr.Result[1] = 0;
+ cdr.Result[2] = 0;
+ cdr.Result[3] = 0;
- if (CDR_getStatus(&stat) == -1) {
- cdr.Result[0] = 0x00; // 0x08 and cdr.Result[1]|0x10 : audio cd, enters cd player
- cdr.Result[1] = 0x80; // 0x80 leads to the menu in the bios, else loads CD
+ // 0x10 - audio | 0x40 - disk missing | 0x80 - unlicensed
+ if (CDR_getStatus(&stat) == -1 || stat.Type == 0 || stat.Type == 0xff) {
+ cdr.Result[1] = 0xc0;
}
else {
- if (stat.Type == 2) {
- // Music CD
- cdr.Result[0] = 0x08;
- cdr.Result[1] = 0x10;
-
- cdr.Result[1] |= 0x80;
- }
- else {
- // Data CD
- if (CdromId[0] == '\0') {
- cdr.Result[0] = 0x00;
- cdr.Result[1] = 0x80;
- }
- else {
- cdr.Result[0] = 0x08;
- cdr.Result[1] = 0x00;
- }
- }
+ if (stat.Type == 2)
+ cdr.Result[1] |= 0x10;
+ if (CdromId[0] == '\0')
+ cdr.Result[1] |= 0x80;
}
+ cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08;
- cdr.Result[2] = 0x00;
- cdr.Result[3] = 0x00;
strncpy((char *)&cdr.Result[4], "PCSX", 4);
cdr.Stat = Complete;
break;
case CdlReset:
- SetResultSize(1);
- cdr.StatP = STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = Acknowledge;
- break;
-
- case CdlReadT:
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = Acknowledge;
- AddIrqQueue(CdlReadT + 0x20, 0x800);
+ // yes, it really sets STATUS_SHELLOPEN
+ cdr.StatP |= STATUS_SHELLOPEN;
+ cdr.DriveState = DRIVESTATE_RESCAN_CD;
+ CDRLID_INT(20480);
+ no_busy_error = 1;
+ start_rotating = 1;
break;
- case CdlReadT + 0x20:
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = Complete;
+ case CdlGetQ:
+ // TODO?
+ CDR_LOG_I("got CdlGetQ\n");
break;
case CdlReadToc:
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = Acknowledge;
- AddIrqQueue(CdlReadToc + 0x20, 0x800);
+ AddIrqQueue(CdlReadToc + 0x100, cdReadTime * 180 / 4);
+ no_busy_error = 1;
+ start_rotating = 1;
break;
- case CdlReadToc + 0x20:
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
- cdr.Result[0] = cdr.StatP;
+ case CdlReadToc + 0x100:
cdr.Stat = Complete;
+ no_busy_error = 1;
break;
- case AUTOPAUSE:
- cdr.OCUP = 0;
-/* SetResultSize(1);
- StopCdda();
- StopReading();
- cdr.OCUP = 0;
- cdr.StatP&=~0x20;
- cdr.StatP|= 0x2;
- cdr.Result[0] = cdr.StatP;
- cdr.Stat = DataEnd;
-*/ AddIrqQueue(CdlPause, 0x800);
- break;
+ case CdlReadN:
+ case CdlReadS:
+ if (cdr.SetlocPending) {
+ memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
+ cdr.SetlocPending = 0;
+ }
+ Find_CurTrack(cdr.SetSectorPlay);
- case READ_ACK:
- if (!cdr.Reading) return;
+ if ((cdr.Mode & MODE_CDDA) && cdr.CurTrack > 1)
+ // Read* acts as play for cdda tracks in cdda mode
+ goto do_CdlPlay;
+ cdr.Reading = 1;
+ cdr.FirstSector = 1;
// Fighting Force 2 - update subq time immediately
// - fixes new game
- ReadTrack( cdr.SetSector );
+ ReadTrack(cdr.SetSectorPlay);
// Crusaders of Might and Magic - update getlocl now
// - fixes cutscene speech
{
u8 *buf = CDR_getBuffer();
- memcpy(cdr.Transfer, buf, 8);
+ if (buf != NULL)
+ memcpy(cdr.Transfer, buf, 8);
}
-
-
+
/*
Duke Nukem: Land of the Babes - seek then delay read for one frame
- fixes cutscenes
+ C-12 - Final Resistance - doesn't like seek
*/
- if (!cdr.Seeked) {
- cdr.Seeked = TRUE;
-
+ if (cdr.Seeked != SEEK_DONE) {
cdr.StatP |= STATUS_SEEK;
cdr.StatP &= ~STATUS_READ;
CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
}
- SetResultSize(1);
- cdr.StatP |= STATUS_ROTATING;
cdr.Result[0] = cdr.StatP;
- cdr.Stat = Acknowledge;
+ start_rotating = 1;
break;
- case 0xff:
- return;
-
default:
- cdr.Stat = Complete;
+ CDR_LOG_I("Invalid command: %02x\n", Irq);
+ error = ERROR_INVALIDCMD;
+ // FALLTHROUGH
+
+ set_error:
+ SetResultSize(2);
+ cdr.Result[0] = cdr.StatP | STATUS_ERROR;
+ cdr.Result[1] = error;
+ cdr.Stat = DiskError;
break;
}
- Check_Shell( Irq );
+ if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) {
+ cdr.DriveState = DRIVESTATE_STANDBY;
+ cdr.StatP |= STATUS_ROTATING;
+ }
- if (cdr.Stat != NoIntr && cdr.Reg2 != 0x18) {
- psxHu32ref(0x1070) |= SWAP32((u32)0x4);
+ if (!no_busy_error) {
+ switch (cdr.DriveState) {
+ case DRIVESTATE_LID_OPEN:
+ case DRIVESTATE_RESCAN_CD:
+ case DRIVESTATE_PREPARE_CD:
+ SetResultSize(2);
+ cdr.Result[0] = cdr.StatP | STATUS_ERROR;
+ cdr.Result[1] = ERROR_NOTREADY;
+ cdr.Stat = DiskError;
+ break;
+ }
+ }
+
+finish:
+ setIrq();
+ cdr.ParamC = 0;
+
+#ifdef CDR_LOG_CMD_IRQ
+ {
+ int i;
+ SysPrintf("CDR IRQ %d cmd %02x stat %02x: ",
+ !!(cdr.Stat & cdr.Reg2), Irq, cdr.Stat);
+ for (i = 0; i < cdr.ResultC; i++)
+ SysPrintf("%02x ", cdr.Result[i]);
+ SysPrintf("\n");
}
+#endif
+}
-#ifdef CDR_LOG
- CDR_LOG("cdrInterrupt() Log: CDR Interrupt IRQ %x\n", Irq);
+#ifdef __ARM_ARCH_7A__
+ #define ssat32_to_16(v) \
+ asm("ssat %0,#16,%1" : "=r" (v) : "r" (v))
+#else
+ #define ssat32_to_16(v) do { \
+ if (v < -32768) v = -32768; \
+ else if (v > 32767) v = 32767; \
+ } while (0)
#endif
+
+void cdrAttenuate(s16 *buf, int samples, int stereo)
+{
+ int i, l, r;
+ int ll = cdr.AttenuatorLeftToLeft;
+ int lr = cdr.AttenuatorLeftToRight;
+ int rl = cdr.AttenuatorRightToLeft;
+ int rr = cdr.AttenuatorRightToRight;
+
+ if (lr == 0 && rl == 0 && 0x78 <= ll && ll <= 0x88 && 0x78 <= rr && rr <= 0x88)
+ return;
+
+ if (!stereo && ll == 0x40 && lr == 0x40 && rl == 0x40 && rr == 0x40)
+ return;
+
+ if (stereo) {
+ for (i = 0; i < samples; i++) {
+ l = buf[i * 2];
+ r = buf[i * 2 + 1];
+ l = (l * ll + r * rl) >> 7;
+ r = (r * rr + l * lr) >> 7;
+ ssat32_to_16(l);
+ ssat32_to_16(r);
+ buf[i * 2] = l;
+ buf[i * 2 + 1] = r;
+ }
+ }
+ else {
+ for (i = 0; i < samples; i++) {
+ l = buf[i];
+ l = l * (ll + rl) >> 7;
+ //r = r * (rr + lr) >> 7;
+ ssat32_to_16(l);
+ //ssat32_to_16(r);
+ buf[i] = l;
+ }
+ }
}
void cdrReadInterrupt() {
return;
if (cdr.Irq || cdr.Stat) {
- CDREAD_INT(0x100);
+ CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat);
+ CDREAD_INT(0x1000);
return;
}
-#ifdef CDR_LOG
- CDR_LOG("cdrReadInterrupt() Log: KEY END");
-#endif
-
cdr.OCUP = 1;
SetResultSize(1);
cdr.StatP |= STATUS_READ|STATUS_ROTATING;
cdr.StatP &= ~STATUS_SEEK;
cdr.Result[0] = cdr.StatP;
+ cdr.Seeked = SEEK_DONE;
- ReadTrack( cdr.SetSector );
+ ReadTrack(cdr.SetSectorPlay);
buf = CDR_getBuffer();
if (buf == NULL)
cdr.RErr = -1;
if (cdr.RErr == -1) {
-#ifdef CDR_LOG
- fprintf(emuLog, "cdrReadInterrupt() Log: err\n");
-#endif
+ CDR_LOG_I("cdrReadInterrupt() Log: err\n");
memset(cdr.Transfer, 0, DATA_SIZE);
cdr.Stat = DiskError;
cdr.Result[0] |= STATUS_ERROR;
CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
-#ifdef CDR_LOG
- fprintf(emuLog, "cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
-#endif
+ CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
// Firemen 2: Multi-XA files - briefings, cutscenes
cdr.Channel = cdr.Transfer[4 + 1];
}
- if ((cdr.Transfer[4 + 2] & 0x4) &&
+ if((cdr.Transfer[4 + 2] & 0x4) &&
(cdr.Transfer[4 + 1] == cdr.Channel) &&
- (cdr.Transfer[4 + 0] == cdr.File)) {
+ (cdr.Transfer[4 + 0] == cdr.File)) {
int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
-
if (!ret) {
+ cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo);
SPU_playADPCMchannel(&cdr.Xa);
cdr.FirstSector = 0;
-
-
- // Crash Team Racing: music, speech
-
- // signal ADPCM data ready
- psxHu32ref(0x1070) |= SWAP32((u32)0x200);
}
else cdr.FirstSector = -1;
}
}
- cdr.SetSector[2]++;
- if (cdr.SetSector[2] == 75) {
- cdr.SetSector[2] = 0;
- cdr.SetSector[1]++;
- if (cdr.SetSector[1] == 60) {
- cdr.SetSector[1] = 0;
- cdr.SetSector[0]++;
+ cdr.SetSectorPlay[2]++;
+ if (cdr.SetSectorPlay[2] == 75) {
+ cdr.SetSectorPlay[2] = 0;
+ cdr.SetSectorPlay[1]++;
+ if (cdr.SetSectorPlay[1] == 60) {
+ cdr.SetSectorPlay[1] = 0;
+ cdr.SetSectorPlay[0]++;
}
}
cdr.Readed = 0;
- // G-Police: Don't autopause ADPCM even if mode set (music)
- if ((cdr.Transfer[4 + 2] & 0x80) && (cdr.Mode & MODE_AUTOPAUSE) &&
- (cdr.Transfer[4 + 2] & 0x4) != 0x4 ) { // EOF
-#ifdef CDR_LOG
- CDR_LOG("cdrReadInterrupt() Log: Autopausing read\n");
-#endif
-// AddIrqQueue(AUTOPAUSE, 0x2000);
- AddIrqQueue(CdlPause, 0x2000);
- }
- else {
- CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
- }
+ CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
/*
Croc 2: $40 - only FORM1 (*)
Sim Theme Park - no adpcm at all (zero)
*/
- if( (cdr.Mode & MODE_STRSND) == 0 || (cdr.Transfer[4+2] & 0x4) != 0x4 ) {
+ if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) {
cdr.Stat = DataReady;
- } else {
- // Breath of Fire 3 - fix inn sleeping
- // Rockman X5 - no music restart problem
- cdr.Stat = NoIntr;
+ setIrq();
}
- psxHu32ref(0x1070) |= SWAP32((u32)0x4);
- Check_Shell(0);
+ // update for CdlGetlocP
+ ReadTrack(cdr.SetSectorPlay);
}
/*
cdrRead0:
- bit 0 - 0 REG1 command send / 1 REG1 data read
- bit 1 - 0 data transfer finish / 1 data transfer ready/in progress
+ bit 0,1 - mode
bit 2 - unknown
bit 3 - unknown
bit 4 - unknown
// What means the 0x10 and the 0x08 bits? I only saw it used by the bios
cdr.Ctrl |= 0x18;
-#ifdef CDR_LOG
- CDR_LOG("cdrRead0() Log: CD0 Read: %x\n", cdr.Ctrl);
-#endif
+ CDR_LOG_IO("cdr r0: %02x\n", cdr.Ctrl);
return psxHu8(0x1800) = cdr.Ctrl;
}
-/*
-cdrWrite0:
- 0 - to send a command / 1 - to get the result
-*/
-
void cdrWrite0(unsigned char rt) {
-#ifdef CDR_LOG
- CDR_LOG("cdrWrite0() Log: CD0 write: %x\n", rt);
-#endif
- cdr.Ctrl = rt | (cdr.Ctrl & ~0x3);
+ CDR_LOG_IO("cdr w0: %02x\n", rt);
- if (rt == 0) {
- cdr.ParamP = 0;
- cdr.ParamC = 0;
- cdr.ResultReady = 0;
- }
+ cdr.Ctrl = (rt & 3) | (cdr.Ctrl & ~3);
}
unsigned char cdrRead1(void) {
- if (cdr.ResultReady) { // && cdr.Ctrl & 0x1) {
- // GameShark CDX CD Player: uses 17 bytes output (wraps around)
+ if ((cdr.ResultP & 0xf) < cdr.ResultC)
psxHu8(0x1801) = cdr.Result[cdr.ResultP & 0xf];
- cdr.ResultP++;
- if (cdr.ResultP == cdr.ResultC)
- cdr.ResultReady = 0;
- } else {
+ else
psxHu8(0x1801) = 0;
- }
-#ifdef CDR_LOG
- CDR_LOG("cdrRead1() Log: CD1 Read: %x\n", psxHu8(0x1801));
-#endif
+ cdr.ResultP++;
+ if (cdr.ResultP == cdr.ResultC)
+ cdr.ResultReady = 0;
+
+ CDR_LOG_IO("cdr r1: %02x\n", psxHu8(0x1801));
+
return psxHu8(0x1801);
}
void cdrWrite1(unsigned char rt) {
+ u8 set_loc[3];
int i;
-#ifdef CDR_LOG
- CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
-#endif
-
+ CDR_LOG_IO("cdr w1: %02x\n", rt);
- // Tekken: CDXA fade-out
- if( (cdr.Ctrl & 3) == 3 ) {
- //cdr.AttenuatorRight[0] = rt;
+ switch (cdr.Ctrl & 3) {
+ case 0:
+ break;
+ case 3:
+ cdr.AttenuatorRightToRightT = rt;
+ return;
+ default:
+ return;
}
-
-// psxHu8(0x1801) = rt;
cdr.Cmd = rt;
cdr.OCUP = 0;
-#ifdef CDRCMD_DEBUG
- SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
+#ifdef CDR_LOG_CMD_IRQ
+ SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]);
if (cdr.ParamC) {
SysPrintf(" Param[%d] = {", cdr.ParamC);
for (i = 0; i < cdr.ParamC; i++)
}
#endif
- if (cdr.Ctrl & 0x1) return;
+ cdr.ResultReady = 0;
+ cdr.Ctrl |= 0x80;
+ // cdr.Stat = NoIntr;
+ AddIrqQueue(cdr.Cmd, 0x800);
switch (cdr.Cmd) {
- case CdlSync:
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- case CdlNop:
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
-
- // Twisted Metal 3 - fix music
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- case CdlSetloc:
- StopReading();
- cdr.Seeked = FALSE;
+ case CdlSetloc:
for (i = 0; i < 3; i++)
- cdr.SetSector[i] = btoi(cdr.Param[i]);
- cdr.SetSector[3] = 0;
-
- /*
- if ((cdr.SetSector[0] | cdr.SetSector[1] | cdr.SetSector[2]) == 0) {
- *(u32 *)cdr.SetSector = *(u32 *)cdr.SetSectorSeek;
- }*/
-
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- case CdlPlay:
- // Vib Ribbon: try same track again
- StopCdda();
+ set_loc[i] = btoi(cdr.Param[i]);
- if (!cdr.SetSector[0] & !cdr.SetSector[1] & !cdr.SetSector[2]) {
- if (CDR_getTN(cdr.ResultTN) != -1) {
- if (cdr.CurTrack > cdr.ResultTN[1])
- cdr.CurTrack = cdr.ResultTN[1];
- if (CDR_getTD((unsigned char)(cdr.CurTrack), cdr.ResultTD) != -1) {
- int tmp = cdr.ResultTD[2];
- cdr.ResultTD[2] = cdr.ResultTD[0];
- cdr.ResultTD[0] = tmp;
- if (!Config.Cdda) CDR_play(cdr.ResultTD);
- }
- }
- } else if (!Config.Cdda) {
- CDR_play(cdr.SetSector);
- }
-
- // Vib Ribbon - decoded buffer IRQ for CDDA reading
- // - fixes ribbon timing + music CD mode
- //TODO?
- //CDRDBUF_INT( PSXCLK / 44100 * 0x100 );
-
-
- cdr.Play = TRUE;
-
- cdr.StatP |= STATUS_SEEK;
- cdr.StatP &= ~STATUS_ROTATING;
-
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- case CdlForward:
- //if (cdr.CurTrack < 0xaa)
- // cdr.CurTrack++;
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- case CdlBackward:
- //if (cdr.CurTrack > 1)
- //cdr.CurTrack--;
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
+ i = msf2sec(cdr.SetSectorPlay);
+ i = abs(i - msf2sec(set_loc));
+ if (i > 16)
+ cdr.Seeked = SEEK_PENDING;
- case CdlReadN:
- cdr.Irq = 0;
- StopReading();
- cdr.Ctrl|= 0x80;
- cdr.Stat = NoIntr;
- StartReading(1, 0x800);
+ memcpy(cdr.SetSector, set_loc, 3);
+ cdr.SetSector[3] = 0;
+ cdr.SetlocPending = 1;
break;
- case CdlStandby:
- StopCdda();
- StopReading();
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- case CdlStop:
- // GameShark CD Player: Reset CDDA to track start
- if( cdr.Play && CDR_getStatus(&stat) != -1 ) {
- cdr.SetSectorPlay[0] = stat.Time[0];
- cdr.SetSectorPlay[1] = stat.Time[1];
- cdr.SetSectorPlay[2] = stat.Time[2];
-
- Find_CurTrack();
-
-
- // grab time for current track
- CDR_getTD((u8)(cdr.CurTrack), cdr.ResultTD);
-
- cdr.SetSectorPlay[0] = cdr.ResultTD[2];
- cdr.SetSectorPlay[1] = cdr.ResultTD[1];
- cdr.SetSectorPlay[2] = cdr.ResultTD[0];
- }
-
- StopCdda();
- StopReading();
-
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- case CdlPause:
- /*
- GameShark CD Player: save time for resume
-
- Twisted Metal - World Tour: don't mix Setloc / CdlPlay cursors
- */
-
+ case CdlReadN:
+ case CdlReadS:
+ case CdlPause:
StopCdda();
StopReading();
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
-
- AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlReset:
- case CdlInit:
+ case CdlInit:
+ cdr.Seeked = SEEK_DONE;
StopCdda();
StopReading();
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- case CdlMute:
- cdr.Muted = TRUE;
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
-
- // Duke Nukem - Time to Kill
- // - do not directly set cd-xa volume
- //SPU_writeRegister( H_CDLeft, 0x0000 );
- //SPU_writeRegister( H_CDRight, 0x0000 );
- break;
-
- case CdlDemute:
- cdr.Muted = FALSE;
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
-
- // Duke Nukem - Time to Kill
- // - do not directly set cd-xa volume
- //SPU_writeRegister( H_CDLeft, 0x7f00 );
- //SPU_writeRegister( H_CDRight, 0x7f00 );
- break;
-
- case CdlSetfilter:
- cdr.File = cdr.Param[0];
- cdr.Channel = cdr.Param[1];
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
+ break;
case CdlSetmode:
-#ifdef CDR_LOG
CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
-#endif
+
cdr.Mode = cdr.Param[0];
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
// Squaresoft on PlayStation 1998 Collector's CD Vol. 1
// - fixes choppy movie sound
if( cdr.Play && (cdr.Mode & MODE_CDDA) == 0 )
StopCdda();
break;
-
- case CdlGetmode:
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- case CdlGetlocL:
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
-
- // Crusaders of Might and Magic - cutscene speech
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- case CdlGetlocP:
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
-
- // GameShark CDX / Lite Player: pretty narrow time window
- // - doesn't always work due to time inprecision
- //AddIrqQueue(cdr.Cmd, 0x28);
-
- // Tomb Raider 2 - cdda
- //AddIrqQueue(cdr.Cmd, 0x40);
-
- // rearmed: the above works in pcsxr-svn, but breaks here
- // (TOCA world touring cars), perhaps some other code is not merged yet
- AddIrqQueue(cdr.Cmd, 0x1000);
- break;
-
- case CdlGetTN:
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- //AddIrqQueue(cdr.Cmd, 0x800);
-
- // GameShark CDX CD Player: very long time
- AddIrqQueue(cdr.Cmd, 0x100000);
- break;
-
- case CdlGetTD:
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- case CdlSeekL:
-// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
-
- StopCdda();
- StopReading();
-
- break;
-
- case CdlSeekP:
-// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
-
- // Tomb Raider 2 - reset cdda
- StopCdda();
- StopReading();
-
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- // Destruction Derby: read TOC? GetTD after this
- case CdlReadT:
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- case CdlTest:
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- case CdlID:
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- case CdlReadS:
- cdr.Irq = 0;
- StopReading();
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- StartReading(2, 0x800);
- break;
-
- case CdlReadToc:
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
- break;
-
- default:
-#ifdef CDR_LOG
- CDR_LOG("cdrWrite1() Log: Unknown command: %x\n", cdr.Cmd);
-#endif
- return;
- }
- if (cdr.Stat != NoIntr) {
- psxHu32ref(0x1070) |= SWAP32((u32)0x4);
}
}
if (cdr.Readed == 0) {
ret = 0;
} else {
- ret = *cdr.pTransfer++;
+ ret = *pTransfer++;
}
-#ifdef CDR_LOG
- CDR_LOG("cdrRead2() Log: CD2 Read: %x\n", ret);
-#endif
+ CDR_LOG_IO("cdr r2: %02x\n", ret);
return ret;
}
void cdrWrite2(unsigned char rt) {
-#ifdef CDR_LOG
- CDR_LOG("cdrWrite2() Log: CD2 write: %x\n", rt);
-#endif
-
- // Tekken: CDXA fade-out
- if( (cdr.Ctrl & 3) == 2 ) {
- //cdr.AttenuatorLeft[0] = rt;
- }
- else if( (cdr.Ctrl & 3) == 3 ) {
- //cdr.AttenuatorRight[1] = rt;
- }
-
-
- if (cdr.Ctrl & 0x1) {
- switch (rt) {
- case 0x07:
- cdr.ParamP = 0;
- cdr.ParamC = 0;
- cdr.ResultReady = 1; //0;
- cdr.Ctrl &= ~3; //cdr.Ctrl = 0;
- break;
+ CDR_LOG_IO("cdr w2: %02x\n", rt);
- default:
- cdr.Reg2 = rt;
- break;
- }
- } else if (!(cdr.Ctrl & 0x1) && cdr.ParamP < 8) {
- cdr.Param[cdr.ParamP++] = rt;
- cdr.ParamC++;
+ switch (cdr.Ctrl & 3) {
+ case 0:
+ if (cdr.ParamC < 8) // FIXME: size and wrapping
+ cdr.Param[cdr.ParamC++] = rt;
+ return;
+ case 1:
+ cdr.Reg2 = rt;
+ setIrq();
+ return;
+ case 2:
+ cdr.AttenuatorLeftToLeftT = rt;
+ return;
+ case 3:
+ cdr.AttenuatorRightToLeftT = rt;
+ return;
}
}
unsigned char cdrRead3(void) {
- if (cdr.Stat) {
- if (cdr.Ctrl & 0x1)
- psxHu8(0x1803) = cdr.Stat | 0xE0;
- else
- psxHu8(0x1803) = 0xff;
- } else {
- psxHu8(0x1803) = 0;
- }
-#ifdef CDR_LOG
- CDR_LOG("cdrRead3() Log: CD3 Read: %x\n", psxHu8(0x1803));
-#endif
+ if (cdr.Ctrl & 0x1)
+ psxHu8(0x1803) = cdr.Stat | 0xE0;
+ else
+ psxHu8(0x1803) = cdr.Reg2 | 0xE0;
+
+ CDR_LOG_IO("cdr r3: %02x\n", psxHu8(0x1803));
return psxHu8(0x1803);
}
void cdrWrite3(unsigned char rt) {
-#ifdef CDR_LOG
- CDR_LOG("cdrWrite3() Log: CD3 write: %x\n", rt);
-#endif
-/*
- // Tekken: CDXA fade-out
- if( (cdr.Ctrl & 3) == 2 ) {
- cdr.AttenuatorLeft[1] = rt;
- }
- else if( (cdr.Ctrl & 3) == 3 && rt == 0x20 ) {
-#ifdef CDR_LOG
- CDR_LOG( "CD-XA Volume: %X %X | %X %X\n",
- cdr.AttenuatorLeft[0], cdr.AttenuatorLeft[1],
- cdr.AttenuatorRight[0], cdr.AttenuatorRight[1] );
-#endif
- }
-*/
-
- // GameShark CDX CD Player: Irq timing mania
- if( rt == 0 &&
- cdr.Irq != 0 && cdr.Irq != 0xff &&
- cdr.ResultReady == 0 ) {
+ CDR_LOG_IO("cdr w3: %02x\n", rt);
- // GS CDX: ~0x28 cycle timing - way too precise
- if( cdr.Irq == CdlGetlocP ) {
- cdrInterrupt();
+ switch (cdr.Ctrl & 3) {
+ case 0:
+ break; // transfer
+ case 1:
+ cdr.Stat &= ~rt;
- psxRegs.interrupt &= ~(1 << PSXINT_CDR);
- }
- }
-
-
- if (rt == 0x07 && cdr.Ctrl & 0x1) {
- cdr.Stat = 0;
-
- if (cdr.Irq == 0xff) {
- cdr.Irq = 0;
- return;
- }
-
- // XA streaming - incorrect timing because of this reschedule
- // - Final Fantasy Tactics
- // - various other games
-
- if (cdr.Irq) // rearmed guesswork hack
- if (cdr.Reading && !cdr.ResultReady) {
- CDREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
+ if (rt & 0x40)
+ cdr.ParamC = 0;
+ return;
+ case 2:
+ cdr.AttenuatorLeftToRightT = rt;
+ return;
+ case 3:
+ if (rt & 0x20) {
+ memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4);
+ CDR_LOG_I("CD-XA Volume: %02x %02x | %02x %02x\n",
+ cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight,
+ cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight);
}
-
return;
}
- if (rt == 0x80 && !(cdr.Ctrl & 0x1) && cdr.Readed == 0) {
+ if ((rt & 0x80) && cdr.Readed == 0) {
cdr.Readed = 1;
- cdr.pTransfer = cdr.Transfer;
+ pTransfer = cdr.Transfer;
switch (cdr.Mode & 0x30) {
case MODE_SIZE_2328:
case 0x00:
- cdr.pTransfer += 12;
+ pTransfer += 12;
break;
case MODE_SIZE_2340:
- cdr.pTransfer += 0;
+ pTransfer += 0;
break;
default:
void psxDma3(u32 madr, u32 bcr, u32 chcr) {
u32 cdsize;
+ int size;
u8 *ptr;
-#ifdef CDR_LOG
CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
-#endif
switch (chcr) {
case 0x11000000:
case 0x11400100:
if (cdr.Readed == 0) {
-#ifdef CDR_LOG
CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
-#endif
break;
}
// - fix boot
if( cdsize == 0 )
{
- switch (cdr.Mode & 0x30) {
- case 0x00: cdsize = 2048; break;
- case MODE_SIZE_2328: cdsize = 2328; break;
+ switch (cdr.Mode & (MODE_SIZE_2340|MODE_SIZE_2328)) {
case MODE_SIZE_2340: cdsize = 2340; break;
+ case MODE_SIZE_2328: cdsize = 2328; break;
+ default:
+ case MODE_SIZE_2048: cdsize = 2048; break;
}
}
ptr = (u8 *)PSXM(madr);
if (ptr == NULL) {
-#ifdef CPU_LOG
CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
-#endif
break;
}
- CdlPlay
- Spams DMA3 and gets buffer overrun
*/
-
- if( (cdr.pTransfer-cdr.Transfer) + cdsize > 2352 )
- {
- // avoid crash - probably should wrap here
- //memcpy(ptr, cdr.pTransfer, cdsize);
- }
- else
+ size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
+ if (size > cdsize)
+ size = cdsize;
+ if (size > 0)
{
- memcpy(ptr, cdr.pTransfer, cdsize);
+ memcpy(ptr, pTransfer, size);
}
psxCpu->Clear(madr, cdsize / 4);
- cdr.pTransfer += cdsize;
+ pTransfer += cdsize;
// burst vs normal
return;
default:
-#ifdef CDR_LOG
CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
-#endif
break;
}
void cdrDmaInterrupt()
{
- HW_DMA3_CHCR &= SWAP32(~0x01000000);
- DMA_INTERRUPT(3);
+ if (HW_DMA3_CHCR & SWAP32(0x01000000))
+ {
+ HW_DMA3_CHCR &= SWAP32(~0x01000000);
+ DMA_INTERRUPT(3);
+ }
+}
+
+static void getCdInfo(void)
+{
+ u8 tmp;
+
+ CDR_getTN(cdr.ResultTN);
+ CDR_getTD(0, cdr.SetSectorEnd);
+ tmp = cdr.SetSectorEnd[0];
+ cdr.SetSectorEnd[0] = cdr.SetSectorEnd[2];
+ cdr.SetSectorEnd[2] = tmp;
}
void cdrReset() {
cdr.CurTrack = 1;
cdr.File = 1;
cdr.Channel = 1;
+ cdr.Reg2 = 0x1f;
+ cdr.Stat = NoIntr;
+ cdr.DriveState = DRIVESTATE_STANDBY;
+ cdr.StatP = STATUS_ROTATING;
+ pTransfer = cdr.Transfer;
+
+ // BIOS player - default values
+ cdr.AttenuatorLeftToLeft = 0x80;
+ cdr.AttenuatorLeftToRight = 0x00;
+ cdr.AttenuatorRightToLeft = 0x00;
+ cdr.AttenuatorRightToRight = 0x80;
+
+ getCdInfo();
}
-int cdrFreeze(gzFile f, int Mode) {
- uintptr_t tmp;
+int cdrFreeze(void *f, int Mode) {
+ u32 tmp;
+ u8 tmpp[3];
-
- if( Mode == 0 ) {
- StopCdda();
- }
+ if (Mode == 0 && !Config.Cdda)
+ CDR_stop();
+ cdr.freeze_ver = 0x63647202;
gzfreeze(&cdr, sizeof(cdr));
- if (Mode == 1)
- tmp = cdr.pTransfer - cdr.Transfer;
+ if (Mode == 1) {
+ cdr.ParamP = cdr.ParamC;
+ tmp = pTransfer - cdr.Transfer;
+ }
gzfreeze(&tmp, sizeof(tmp));
- if (Mode == 0)
- cdr.pTransfer = cdr.Transfer + tmp;
+ if (Mode == 0) {
+ getCdInfo();
+
+ pTransfer = cdr.Transfer + tmp;
+
+ // read right sub data
+ memcpy(tmpp, cdr.Prev, 3);
+ cdr.Prev[0]++;
+ ReadTrack(tmpp);
+
+ if (cdr.Play) {
+ if (cdr.freeze_ver < 0x63647202)
+ memcpy(cdr.SetSectorPlay, cdr.SetSector, 3);
+
+ Find_CurTrack(cdr.SetSectorPlay);
+ if (!Config.Cdda)
+ CDR_play(cdr.SetSectorPlay);
+ }
+
+ if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) {
+ // old versions did not latch Reg2, have to fixup..
+ if (cdr.Reg2 == 0) {
+ SysPrintf("cdrom: fixing up old savestate\n");
+ cdr.Reg2 = 7;
+ }
+ // also did not save Attenuator..
+ if ((cdr.AttenuatorLeftToLeft | cdr.AttenuatorLeftToRight
+ | cdr.AttenuatorRightToLeft | cdr.AttenuatorRightToRight) == 0)
+ {
+ cdr.AttenuatorLeftToLeft = cdr.AttenuatorRightToRight = 0x80;
+ }
+ }
+ }
return 0;
}
void LidInterrupt() {
- cdr.LidCheck = 0x20; // start checker
-
- CDRLID_INT( cdReadTime * 3 );
-
- // generate interrupt if none active - open or close
- if (cdr.Irq == 0 || cdr.Irq == 0xff) {
- cdr.Ctrl |= 0x80;
- cdr.Stat = NoIntr;
- AddIrqQueue(CdlNop, 0x800);
- }
+ getCdInfo();
+ StopCdda();
+ cdrLidSeekInterrupt();
}
notaz.gp2x.de / pcsx_rearmed.git / blobdiff