#if 0
#define CDR_LOG_I SysPrintf
#else
-#define CDR_LOG_I(...)
+#define CDR_LOG_I log_unhandled
#endif
#if 0
#define CDR_LOG_IO SysPrintf
//#define CDR_LOG_CMD_IRQ
static struct {
- unsigned char OCUP;
- unsigned char Reg1Mode;
+ // unused members maintain savesate compatibility
+ unsigned char unused0;
+ unsigned char unused1;
unsigned char Reg2;
- unsigned char CmdProcess;
+ unsigned char unused2;
unsigned char Ctrl;
unsigned char Stat;
unsigned char Absolute[3];
} subq;
unsigned char TrackChanged;
- unsigned char pad1[3];
+ unsigned char unused3[3];
unsigned int freeze_ver;
unsigned char Prev[4];
unsigned char ResultP;
unsigned char ResultReady;
unsigned char Cmd;
- unsigned char Readed;
+ unsigned char unused4;
unsigned char SetlocPending;
u32 Reading;
xa_decode_t Xa;
- int Init;
+ u16 FifoOffset;
+ u16 FifoSize;
- u16 Irq;
- u8 IrqRepeated;
- u32 eCycle;
+ u16 CmdInProgress;
+ u8 Irq1Pending;
+ u8 unused5;
+ u32 unused6;
- u8 pad2;
+ u8 unused7;
u8 DriveState;
u8 FastForward;
u8 FastBackward;
- u8 pad;
+ u8 unused8;
u8 AttenuatorLeftToLeft, AttenuatorLeftToRight;
u8 AttenuatorRightToRight, AttenuatorRightToLeft;
u8 AttenuatorLeftToLeftT, AttenuatorLeftToRightT;
u8 AttenuatorRightToRightT, AttenuatorRightToLeftT;
} cdr;
-static unsigned char *pTransfer;
static s16 read_buf[CD_FRAMESIZE_RAW/2];
/* CD-ROM magic numbers */
}
// cdrPlaySeekReadInterrupt
-#define CDRPLAYSEEKREAD_INT(eCycle) { \
+#define CDRPLAYSEEKREAD_INT(eCycle, isFirst) { \
+ u32 e_ = eCycle; \
psxRegs.interrupt |= (1 << PSXINT_CDREAD); \
- psxRegs.intCycle[PSXINT_CDREAD].cycle = eCycle; \
- psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
- new_dyna_set_event(PSXINT_CDREAD, eCycle); \
+ if (isFirst) \
+ psxRegs.intCycle[PSXINT_CDREAD].sCycle = psxRegs.cycle; \
+ else \
+ psxRegs.intCycle[PSXINT_CDREAD].sCycle += psxRegs.intCycle[PSXINT_CDREAD].cycle; \
+ psxRegs.intCycle[PSXINT_CDREAD].cycle = e_; \
+ new_dyna_set_event_abs(PSXINT_CDREAD, psxRegs.intCycle[PSXINT_CDREAD].sCycle + e_); \
}
// cdrLidSeekInterrupt
psxHu32ref(0x1070) |= SWAP32((u32)0x4);
#ifdef CDR_LOG_CMD_IRQ
+ if (cdr.Stat)
{
int i;
SysPrintf("CDR IRQ=%d cmd %02x stat %02x: ",
cdr.subq.Absolute[0], cdr.subq.Absolute[1], cdr.subq.Absolute[2]);
}
-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;
- }
-
- CDR_LOG_I("cdr: override cmd %02x -> %02x\n", cdr.Irq, irq);
- }
-
- cdr.Irq = irq;
- cdr.eCycle = ecycle;
-
- CDR_INT(ecycle);
-}
-
static void cdrPlayInterrupt_Autopause()
{
u32 abs_lev_max = 0;
return seekTime;
}
+static void cdrUpdateTransferBuf(const u8 *buf);
static void cdrReadInterrupt(void);
+static void cdrPrepCdda(s16 *buf, int samples);
+static void cdrAttenuate(s16 *buf, int samples, int stereo);
void cdrPlaySeekReadInterrupt(void)
{
if (!cdr.Play && (cdr.StatP & STATUS_SEEK)) {
if (cdr.Stat) {
CDR_LOG_I("cdrom: seek stat hack\n");
- CDRPLAYSEEKREAD_INT(0x1000);
+ CDRPLAYSEEKREAD_INT(0x1000, 1);
return;
}
SetResultSize(1);
cdr.StatP |= STATUS_ROTATING;
SetPlaySeekRead(cdr.StatP, 0);
cdr.Result[0] = cdr.StatP;
- if (cdr.Irq == 0) {
- cdr.Stat = Complete;
- setIrq(0x202);
- }
+ cdr.Stat = Complete;
+ setIrq(0x202);
Find_CurTrack(cdr.SetSectorPlay);
ReadTrack(cdr.SetSectorPlay);
CDR_readCDDA(cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2], (u8 *)read_buf);
}
- if (!cdr.Irq && !cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
+ if (!cdr.Stat && (cdr.Mode & (MODE_AUTOPAUSE|MODE_REPORT)))
cdrPlayInterrupt_Autopause();
if (!cdr.Muted && !Config.Cdda) {
+ cdrPrepCdda(read_buf, CD_FRAMESIZE_RAW / 4);
cdrAttenuate(read_buf, CD_FRAMESIZE_RAW / 4, 1);
SPU_playCDDAchannel(read_buf, CD_FRAMESIZE_RAW, psxRegs.cycle, cdr.FirstSector);
cdr.FirstSector = 0;
}
}
- CDRPLAYSEEKREAD_INT(cdReadTime);
-
// update for CdlGetlocP/autopause
generate_subq(cdr.SetSectorPlay);
+
+ CDRPLAYSEEKREAD_INT(cdReadTime, 0);
}
void cdrInterrupt(void) {
- u16 Irq = cdr.Irq;
int no_busy_error = 0;
int start_rotating = 0;
int error = 0;
- int delay;
unsigned int seekTime = 0;
+ u32 second_resp_time = 0;
+ u8 ParamC;
u8 set_loc[3];
+ u16 Cmd;
int i;
- // Reschedule IRQ
if (cdr.Stat) {
- CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat);
- CDR_INT(0x1000);
+ CDR_LOG_I("cdrom: cmd %02x with irqstat %x\n", cdr.CmdInProgress, cdr.Stat);
+ return;
+ }
+ if (cdr.Irq1Pending) {
+ // hand out the "newest" sector, according to nocash
+ cdrUpdateTransferBuf(CDR_getBuffer());
+ CDR_LOG_I("cdrom: %x:%02x:%02x loaded on ack\n",
+ cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
+ SetResultSize(1);
+ cdr.Result[0] = cdr.Irq1Pending;
+ cdr.Stat = (cdr.Irq1Pending & STATUS_ERROR) ? DiskError : DataReady;
+ cdr.Irq1Pending = 0;
+ setIrq(0x205);
return;
}
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;
- }
- }
+ Cmd = cdr.CmdInProgress;
+ cdr.CmdInProgress = 0;
+ ParamC = cdr.ParamC;
- cdr.Irq = 0;
+ if (Cmd < 0x100) {
+ cdr.Cmd = 0;
+ cdr.ParamC = 0;
+ }
- switch (Irq) {
+ switch (Cmd) {
case CdlNop:
if (cdr.DriveState != DRIVESTATE_LID_OPEN)
cdr.StatP &= ~STATUS_SHELLOPEN;
// BIOS CD Player
// - Pause player, hit Track 01/02/../xx (Setloc issued!!)
- if (cdr.ParamC != 0 && cdr.Param[0] != 0) {
+ if (ParamC != 0 && cdr.Param[0] != 0) {
int track = btoi( cdr.Param[0] );
if (track <= cdr.ResultTN[1])
// BIOS player - set flag again
cdr.Play = TRUE;
- CDRPLAYSEEKREAD_INT(cdReadTime + seekTime);
+ CDRPLAYSEEKREAD_INT(cdReadTime + seekTime, 1);
start_rotating = 1;
break;
error = ERROR_INVALIDARG;
goto set_error;
}
- AddIrqQueue(CdlStandby + 0x100, cdReadTime * 125 / 2);
+ second_resp_time = cdReadTime * 125 / 2;
start_rotating = 1;
break;
SetPlaySeekRead(cdr.StatP, 0);
cdr.StatP &= ~STATUS_ROTATING;
- delay = 0x800;
+ second_resp_time = 0x800;
if (cdr.DriveState == DRIVESTATE_STANDBY)
- delay = cdReadTime * 30 / 2;
+ second_resp_time = cdReadTime * 30 / 2;
cdr.DriveState = DRIVESTATE_STOPPED;
- AddIrqQueue(CdlStop + 0x100, delay);
break;
case CdlStop + 0x100:
* */
if (!(cdr.StatP & (STATUS_PLAY | STATUS_READ)))
{
- delay = 7000;
+ second_resp_time = 7000;
}
else
{
- delay = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * (1000000));
+ second_resp_time = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * 1000000);
}
- AddIrqQueue(CdlPause + 0x100, delay);
SetPlaySeekRead(cdr.StatP, 0);
cdr.Ctrl |= 0x80;
break;
SetPlaySeekRead(cdr.StatP, 0);
cdr.Muted = FALSE;
cdr.Mode = 0x20; /* This fixes This is Football 2, Pooh's Party lockups */
- AddIrqQueue(CdlReset + 0x100, 4100000);
+ second_resp_time = 4100000;
no_busy_error = 1;
start_rotating = 1;
break;
break;
case CdlSetmode:
+ CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
+ cdr.Mode = cdr.Param[0];
no_busy_error = 1;
break;
case CdlReadT: // SetSession?
// really long
- AddIrqQueue(CdlReadT + 0x100, cdReadTime * 290 / 4);
+ second_resp_time = cdReadTime * 290 / 4;
start_rotating = 1;
break;
Rockman X5 = 0.5-4x
- fix capcom logo
*/
- CDRPLAYSEEKREAD_INT(cdReadTime + seekTime);
+ CDRPLAYSEEKREAD_INT(cdReadTime + seekTime, 1);
start_rotating = 1;
break;
break;
case CdlID:
- AddIrqQueue(CdlID + 0x100, 20480);
+ second_resp_time = 20480;
break;
case CdlID + 0x100:
break;
case CdlReadToc:
- AddIrqQueue(CdlReadToc + 0x100, cdReadTime * 180 / 4);
+ second_resp_time = cdReadTime * 180 / 4;
no_busy_error = 1;
start_rotating = 1;
break;
// - fixes new game
ReadTrack(cdr.SetSectorPlay);
- CDRPLAYSEEKREAD_INT(((cdr.Mode & 0x80) ? (cdReadTime) : cdReadTime * 2) + seekTime);
+ CDRPLAYSEEKREAD_INT(((cdr.Mode & 0x80) ? (cdReadTime) : cdReadTime * 2) + seekTime, 1);
SetPlaySeekRead(cdr.StatP, STATUS_SEEK);
start_rotating = 1;
break;
case CdlSync:
default:
- CDR_LOG_I("Invalid command: %02x\n", Irq);
+ CDR_LOG_I("Invalid command: %02x\n", Cmd);
error = ERROR_INVALIDCMD;
// FALLTHROUGH
}
}
-finish:
- setIrq(Irq);
- cdr.ParamC = 0;
+ if (second_resp_time) {
+ cdr.CmdInProgress = Cmd | 0x100;
+ CDR_INT(second_resp_time);
+ }
+ else if (cdr.Cmd && cdr.Cmd != (Cmd & 0xff)) {
+ cdr.CmdInProgress = cdr.Cmd;
+ CDR_LOG_I("cdrom: cmd %02x came before %02x finished\n", cdr.Cmd, Cmd);
+ }
+
+ setIrq(Cmd);
}
#ifdef HAVE_ARMV7
} while (0)
#endif
-void cdrAttenuate(s16 *buf, int samples, int stereo)
+static void cdrPrepCdda(s16 *buf, int samples)
+{
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+ int i;
+ for (i = 0; i < samples; i++) {
+ buf[i * 2 + 0] = SWAP16(buf[i * 2 + 0]);
+ buf[i * 2 + 1] = SWAP16(buf[i * 2 + 1]);
+ }
+#endif
+}
+
+static void cdrAttenuate(s16 *buf, int samples, int stereo)
{
int i, l, r;
int ll = cdr.AttenuatorLeftToLeft;
}
}
-static void cdrReadInterrupt(void)
+static void cdrReadInterruptSetResult(unsigned char result)
{
- u8 *buf;
-
- if (cdr.Irq || cdr.Stat) {
- CDR_LOG_I("cdrom: read stat hack %02x %x\n", cdr.Irq, cdr.Stat);
- CDRPLAYSEEKREAD_INT(2048);
+ if (cdr.Stat) {
+ CDR_LOG_I("cdrom: %d:%02d:%02d irq miss, cmd=%02x irqstat=%02x\n",
+ cdr.SetSectorPlay[0], cdr.SetSectorPlay[1], cdr.SetSectorPlay[2],
+ cdr.CmdInProgress, cdr.Stat);
+ cdr.Irq1Pending = result;
return;
}
-
- cdr.OCUP = 1;
SetResultSize(1);
+ cdr.Result[0] = result;
+ cdr.Stat = (result & STATUS_ERROR) ? DiskError : DataReady;
+ setIrq(0x203);
+}
+
+static void cdrUpdateTransferBuf(const u8 *buf)
+{
+ if (!buf)
+ return;
+ memcpy(cdr.Transfer, buf, DATA_SIZE);
+ CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
+ CDR_LOG("cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
+ if (cdr.FifoOffset < 2048 + 12)
+ CDR_LOG("cdrom: FifoOffset(1) %d/%d\n", cdr.FifoOffset, cdr.FifoSize);
+}
+
+static void cdrReadInterrupt(void)
+{
+ u8 *buf = NULL, *hdr;
+
SetPlaySeekRead(cdr.StatP, STATUS_READ | STATUS_ROTATING);
- cdr.Result[0] = cdr.StatP;
ReadTrack(cdr.SetSectorPlay);
-
- buf = CDR_getBuffer();
+ if (cdr.NoErr)
+ buf = CDR_getBuffer();
if (buf == NULL)
cdr.NoErr = 0;
if (!cdr.NoErr) {
CDR_LOG_I("cdrReadInterrupt() Log: err\n");
memset(cdr.Transfer, 0, DATA_SIZE);
- cdr.Stat = DiskError;
- cdr.Result[0] |= STATUS_ERROR;
- setIrq(0x205);
+ cdrReadInterruptSetResult(cdr.StatP | STATUS_ERROR);
return;
}
- memcpy(cdr.Transfer, buf, DATA_SIZE);
- CheckPPFCache(cdr.Transfer, cdr.Prev[0], cdr.Prev[1], cdr.Prev[2]);
-
-
- CDR_LOG("cdrReadInterrupt() Log: cdr.Transfer %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
+ if (!cdr.Irq1Pending)
+ cdrUpdateTransferBuf(buf);
if ((!cdr.Muted) && (cdr.Mode & MODE_STRSND) && (!Config.Xa) && (cdr.FirstSector != -1)) { // CD-XA
+ hdr = buf + 4;
// Firemen 2: Multi-XA files - briefings, cutscenes
if( cdr.FirstSector == 1 && (cdr.Mode & MODE_SF)==0 ) {
- cdr.File = cdr.Transfer[4 + 0];
- cdr.Channel = cdr.Transfer[4 + 1];
+ cdr.File = hdr[0];
+ cdr.Channel = hdr[1];
}
/* Gameblabla
* Fixes missing audio in Blue's Clues : Blue's Big Musical. (Should also fix Taxi 2)
* TODO : Check if this is the proper behaviour.
* */
- if((cdr.Transfer[4 + 2] & 0x4) &&
- (cdr.Transfer[4 + 1] == cdr.Channel) &&
- (cdr.Transfer[4 + 0] == cdr.File) && cdr.Channel != 255) {
- int ret = xa_decode_sector(&cdr.Xa, cdr.Transfer+4, cdr.FirstSector);
+ if ((hdr[2] & 0x4) && hdr[0] == cdr.File && hdr[1] == cdr.Channel && cdr.Channel != 255) {
+ int ret = xa_decode_sector(&cdr.Xa, buf + 4, cdr.FirstSector);
if (!ret) {
cdrAttenuate(cdr.Xa.pcm, cdr.Xa.nsamples, cdr.Xa.stereo);
SPU_playADPCMchannel(&cdr.Xa, psxRegs.cycle, cdr.FirstSector);
}
}
+ /*
+ Croc 2: $40 - only FORM1 (*)
+ Judge Dredd: $C8 - only FORM1 (*)
+ Sim Theme Park - no adpcm at all (zero)
+ */
+
+ if (!(cdr.Mode & MODE_STRSND) || !(buf[4+2] & 0x4))
+ cdrReadInterruptSetResult(cdr.StatP);
+
cdr.SetSectorPlay[2]++;
if (cdr.SetSectorPlay[2] == 75) {
cdr.SetSectorPlay[2] = 0;
}
}
- cdr.Readed = 0;
-
- CDRPLAYSEEKREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime);
-
- /*
- Croc 2: $40 - only FORM1 (*)
- Judge Dredd: $C8 - only FORM1 (*)
- Sim Theme Park - no adpcm at all (zero)
- */
-
- if (!(cdr.Mode & MODE_STRSND) || !(cdr.Transfer[4+2] & 0x4)) {
- cdr.Stat = DataReady;
- setIrq(0x203);
+ if (!cdr.Irq1Pending) {
+ // update for CdlGetlocP
+ ReadTrack(cdr.SetSectorPlay);
}
- // update for CdlGetlocP
- ReadTrack(cdr.SetSectorPlay);
+ CDRPLAYSEEKREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0);
}
/*
else
cdr.Ctrl &= ~0x20;
- if (cdr.OCUP)
- cdr.Ctrl |= 0x40;
-// else
-// cdr.Ctrl &= ~0x40;
+ cdr.Ctrl |= 0x40; // data fifo not empty
// What means the 0x10 and the 0x08 bits? I only saw it used by the bios
cdr.Ctrl |= 0x18;
return;
}
- cdr.Cmd = rt;
- cdr.OCUP = 0;
-
#ifdef CDR_LOG_CMD_IRQ
SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]);
if (cdr.ParamC) {
cdr.ResultReady = 0;
cdr.Ctrl |= 0x80;
- // cdr.Stat = NoIntr;
- AddIrqQueue(cdr.Cmd, 0x800);
-
- switch (cdr.Cmd) {
- case CdlSetmode:
- CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
- cdr.Mode = cdr.Param[0];
- break;
+ if (!cdr.CmdInProgress) {
+ cdr.CmdInProgress = rt;
+ // should be something like 12k + controller delays
+ CDR_INT(5000);
+ }
+ else {
+ CDR_LOG_I("cdr: cmd while busy: %02x, prev %02x, busy %02x\n",
+ rt, cdr.Cmd, cdr.CmdInProgress);
+ if (cdr.CmdInProgress < 0x100) // no pending 2nd response
+ cdr.CmdInProgress = rt;
}
+
+ cdr.Cmd = rt;
}
unsigned char cdrRead2(void) {
- unsigned char ret;
+ unsigned char ret = 0;
- if (cdr.Readed == 0) {
- ret = 0;
- } else {
- ret = *pTransfer++;
- }
+ if (cdr.FifoOffset < cdr.FifoSize)
+ ret = cdr.Transfer[cdr.FifoOffset++];
+ else
+ CDR_LOG_I("cdrom: read empty fifo (%d)\n", cdr.FifoSize);
CDR_LOG_IO("cdr r2.dat: %02x\n", ret);
return ret;
case 0:
break; // transfer
case 1:
+ if (cdr.Stat & rt) {
+#ifdef CDR_LOG_CMD_IRQ
+ SysPrintf("ack %02x (w %02x)\n", cdr.Stat & rt, rt);
+#endif
+ if (!(psxRegs.interrupt & (1 << PSXINT_CDR)) &&
+ (cdr.CmdInProgress || cdr.Irq1Pending))
+ CDR_INT(2000); // 710+
+ }
cdr.Stat &= ~rt;
if (rt & 0x40)
case 3:
if (rt & 0x20) {
memcpy(&cdr.AttenuatorLeftToLeft, &cdr.AttenuatorLeftToLeftT, 4);
- CDR_LOG_I("CD-XA Volume: %02x %02x | %02x %02x\n",
+ CDR_LOG("CD-XA Volume: %02x %02x | %02x %02x\n",
cdr.AttenuatorLeftToLeft, cdr.AttenuatorLeftToRight,
cdr.AttenuatorRightToLeft, cdr.AttenuatorRightToRight);
}
return;
}
- if ((rt & 0x80) && cdr.Readed == 0) {
- cdr.Readed = 1;
- pTransfer = cdr.Transfer;
-
+ // test: Viewpoint
+ if ((rt & 0x80) && cdr.FifoOffset < cdr.FifoSize) {
+ CDR_LOG("cdrom: FifoOffset(2) %d/%d\n", cdr.FifoOffset, cdr.FifoSize);
+ }
+ else if (rt & 0x80) {
switch (cdr.Mode & 0x30) {
case MODE_SIZE_2328:
case 0x00:
- pTransfer += 12;
+ cdr.FifoOffset = 12;
+ cdr.FifoSize = 2048 + 12;
break;
case MODE_SIZE_2340:
- pTransfer += 0;
- break;
-
default:
+ cdr.FifoOffset = 0;
+ cdr.FifoSize = 2340;
break;
}
}
+ else if (!(rt & 0xc0))
+ cdr.FifoOffset = DATA_SIZE; // fifo empty
}
void psxDma3(u32 madr, u32 bcr, u32 chcr) {
CDR_LOG("psxDma3() Log: *** DMA 3 *** %x addr = %x size = %x\n", chcr, madr, bcr);
- switch (chcr) {
+ switch (chcr & 0x71000000) {
case 0x11000000:
- case 0x11400100:
- if (cdr.Readed == 0) {
- CDR_LOG("psxDma3() Log: *** DMA 3 *** NOT READY\n");
- break;
- }
-
- cdsize = (bcr & 0xffff) * 4;
-
- // Ape Escape: bcr = 0001 / 0000
- // - fix boot
- if( cdsize == 0 )
- {
- 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) {
- CDR_LOG("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
+ CDR_LOG_I("psxDma3() Log: *** DMA 3 *** NULL Pointer!\n");
break;
}
+ cdsize = (((bcr - 1) & 0xffff) + 1) * 4;
+
/*
GS CDX: Enhancement CD crash
- Setloc 0:0:0
- CdlPlay
- Spams DMA3 and gets buffer overrun
*/
- size = CD_FRAMESIZE_RAW - (pTransfer - cdr.Transfer);
+ size = DATA_SIZE - cdr.FifoOffset;
if (size > cdsize)
size = cdsize;
if (size > 0)
{
- memcpy(ptr, pTransfer, size);
+ memcpy(ptr, cdr.Transfer + cdr.FifoOffset, size);
+ cdr.FifoOffset += size;
+ psxCpu->Clear(madr, size / 4);
}
+ if (size < cdsize)
+ CDR_LOG_I("cdrom: dma3 %d/%d\n", size, cdsize);
- psxCpu->Clear(madr, cdsize / 4);
- pTransfer += cdsize;
+ CDRDMA_INT((cdsize/4) * 24);
- if( chcr == 0x11400100 ) {
+ HW_DMA3_CHCR &= SWAPu32(~0x10000000);
+ if (chcr & 0x100) {
HW_DMA3_MADR = SWAPu32(madr + cdsize);
- CDRDMA_INT( (cdsize/4) / 4 );
+ HW_DMA3_BCR &= SWAPu32(0xffff0000);
}
- else if( chcr == 0x11000000 ) {
- // CDRDMA_INT( (cdsize/4) * 1 );
+ else {
// halted
- psxRegs.cycle += (cdsize/4) * 24/2;
- CDRDMA_INT(16);
+ psxRegs.cycle += (cdsize/4) * 24 - 20;
}
return;
default:
- CDR_LOG("psxDma3() Log: Unknown cddma %x\n", chcr);
+ CDR_LOG_I("psxDma3() Log: Unknown cddma %x\n", chcr);
break;
}
cdr.Stat = NoIntr;
cdr.DriveState = DRIVESTATE_STANDBY;
cdr.StatP = STATUS_ROTATING;
- pTransfer = cdr.Transfer;
+ cdr.FifoOffset = DATA_SIZE; // fifo empty
// BIOS player - default values
cdr.AttenuatorLeftToLeft = 0x80;
if (Mode == 1) {
cdr.ParamP = cdr.ParamC;
- tmp = pTransfer - cdr.Transfer;
+ tmp = cdr.FifoOffset;
}
gzfreeze(&tmp, sizeof(tmp));
if (Mode == 0) {
getCdInfo();
- pTransfer = cdr.Transfer + tmp;
+ cdr.FifoOffset = tmp;
+ cdr.FifoSize = (cdr.Mode & 0x20) ? 2340 : 2048 + 12;
// read right sub data
tmpp[0] = btoi(cdr.Prev[0]);
if (!Config.Cdda)
CDR_play(cdr.SetSectorPlay);
if (psxRegs.interrupt & (1 << PSXINT_CDRPLAY_OLD))
- CDRPLAYSEEKREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
+ CDRPLAYSEEKREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime, 1);
}
if ((cdr.freeze_ver & 0xffffff00) != 0x63647200) {