if (cdr.Stat)
{
int i;
- SysPrintf("CDR IRQ=%d cmd %02x stat %02x: ",
- !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat);
+ SysPrintf("%u cdrom: CDR IRQ=%d cmd %02x stat %02x: ",
+ psxRegs.cycle, !!(cdr.Stat & cdr.Reg2), log_cmd, cdr.Stat);
for (i = 0; i < cdr.ResultC; i++)
SysPrintf("%02x ", cdr.Result[i]);
SysPrintf("\n");
//cdr.ResultReady = 1;
//cdr.Stat = DataReady;
cdr.Stat = DataEnd;
- setIrq(0x200);
+ setIrq(0x1000); // 0x1000 just for logging purposes
StopCdda();
SetPlaySeekRead(cdr.StatP, 0);
cdr.Stat = DataReady;
SetResultSize(8);
- setIrq(0x201);
+ setIrq(0x1001);
}
}
static int cdrSeekTime(unsigned char *target)
{
- int seekTime = abs(msf2sec(cdr.SetSectorPlay) - msf2sec(target)) * (cdReadTime / 200);
+ int diff = msf2sec(cdr.SetSectorPlay) - msf2sec(target);
+ int seekTime = abs(diff) * (cdReadTime / 200);
/*
* Gameblabla :
* It was originally set to 1000000 for Driver, however it is not high enough for Worms Pinball
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);
SetPlaySeekRead(cdr.StatP, 0);
cdr.Result[0] = cdr.StatP;
cdr.Stat = Complete;
- setIrq(0x202);
+ setIrq(0x1002);
Find_CurTrack(cdr.SetSectorPlay);
ReadTrack(cdr.SetSectorPlay);
CDRPLAYSEEKREAD_INT(cdReadTime, 0);
}
+#define CMD_PART2 0x100
+#define CMD_WHILE_NOT_READY 0x200
+
void cdrInterrupt(void) {
- int no_busy_error = 0;
int start_rotating = 0;
int error = 0;
unsigned int seekTime = 0;
u32 second_resp_time = 0;
u8 ParamC;
u8 set_loc[3];
+ u16 not_ready = 0;
u16 Cmd;
int i;
if (cdr.Stat) {
- CDR_LOG_I("cdrom: cmd %02x with irqstat %x\n", cdr.CmdInProgress, cdr.Stat);
+ CDR_LOG_I("%u cdrom: cmd %02x with irqstat %x\n",
+ psxRegs.cycle, 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(0x1003);
return;
}
-
- cdr.Ctrl &= ~0x80;
// default response
SetResultSize(1);
ParamC = cdr.ParamC;
if (Cmd < 0x100) {
- cdr.Cmd = 0;
+ cdr.Ctrl &= ~0x80;
cdr.ParamC = 0;
+ cdr.Cmd = 0;
}
- switch (Cmd) {
+ switch (cdr.DriveState) {
+ case DRIVESTATE_LID_OPEN:
+ case DRIVESTATE_RESCAN_CD:
+ case DRIVESTATE_PREPARE_CD:
+ // no disk or busy with the initial scan, allowed cmds are limited
+ not_ready = CMD_WHILE_NOT_READY;
+ break;
+ }
+
+ switch (Cmd | not_ready) {
case CdlNop:
+ case CdlNop + CMD_WHILE_NOT_READY:
if (cdr.DriveState != DRIVESTATE_LID_OPEN)
cdr.StatP &= ~STATUS_SHELLOPEN;
- no_busy_error = 1;
break;
case CdlSetloc:
+ case CdlSetloc + CMD_WHILE_NOT_READY:
CDR_LOG("CDROM setloc command (%02X, %02X, %02X)\n", cdr.Param[0], cdr.Param[1], cdr.Param[2]);
// MM must be BCD, SS must be BCD and <0x60, FF must be BCD and <0x75
start_rotating = 1;
break;
- case CdlStandby + 0x100:
+ case CdlStandby + CMD_PART2:
cdr.Stat = Complete;
break;
cdr.DriveState = DRIVESTATE_STOPPED;
break;
- case CdlStop + 0x100:
+ case CdlStop + CMD_PART2:
cdr.Stat = Complete;
break;
second_resp_time = (((cdr.Mode & MODE_SPEED) ? 2 : 1) * 1000000);
}
SetPlaySeekRead(cdr.StatP, 0);
- cdr.Ctrl |= 0x80;
break;
- case CdlPause + 0x100:
+ case CdlPause + CMD_PART2:
cdr.Stat = Complete;
break;
case CdlReset:
+ case CdlReset + CMD_WHILE_NOT_READY:
StopCdda();
StopReading();
SetPlaySeekRead(cdr.StatP, 0);
cdr.Muted = FALSE;
cdr.Mode = 0x20; /* This fixes This is Football 2, Pooh's Party lockups */
- second_resp_time = 4100000;
- no_busy_error = 1;
+ second_resp_time = not_ready ? 70000 : 4100000;
start_rotating = 1;
break;
- case CdlReset + 0x100:
+ case CdlReset + CMD_PART2:
+ case CdlReset + CMD_PART2 + CMD_WHILE_NOT_READY:
cdr.Stat = Complete;
break;
break;
case CdlSetmode:
+ case CdlSetmode + CMD_WHILE_NOT_READY:
CDR_LOG("cdrWrite1() Log: Setmode %x\n", cdr.Param[0]);
cdr.Mode = cdr.Param[0];
- no_busy_error = 1;
break;
case CdlGetparam:
+ case CdlGetparam + CMD_WHILE_NOT_READY:
/* Gameblabla : According to mednafen, Result size should be 5 and done this way. */
SetResultSize(5);
cdr.Result[1] = cdr.Mode;
cdr.Result[2] = 0;
cdr.Result[3] = cdr.File;
cdr.Result[4] = cdr.Channel;
- no_busy_error = 1;
break;
case CdlGetlocL:
start_rotating = 1;
break;
- case CdlReadT + 0x100:
+ case CdlReadT + CMD_PART2:
cdr.Stat = Complete;
break;
break;
case CdlTest:
+ case CdlTest + CMD_WHILE_NOT_READY:
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:
second_resp_time = 20480;
break;
- case CdlID + 0x100:
+ case CdlID + CMD_PART2:
SetResultSize(8);
cdr.Result[0] = cdr.StatP;
cdr.Result[1] = 0;
break;
case CdlInit:
+ case CdlInit + CMD_WHILE_NOT_READY:
StopCdda();
StopReading();
SetPlaySeekRead(cdr.StatP, 0);
cdr.StatP |= STATUS_SHELLOPEN;
cdr.DriveState = DRIVESTATE_RESCAN_CD;
CDRLID_INT(20480);
- no_busy_error = 1;
start_rotating = 1;
break;
case CdlGetQ:
- no_busy_error = 1;
+ case CdlGetQ + CMD_WHILE_NOT_READY:
break;
case CdlReadToc:
+ case CdlReadToc + CMD_WHILE_NOT_READY:
second_resp_time = cdReadTime * 180 / 4;
- no_busy_error = 1;
start_rotating = 1;
break;
- case CdlReadToc + 0x100:
+ case CdlReadToc + CMD_PART2:
+ case CdlReadToc + CMD_PART2 + CMD_WHILE_NOT_READY:
cdr.Stat = Complete;
- no_busy_error = 1;
break;
case CdlReadN:
break;
case CdlSync:
default:
- CDR_LOG_I("Invalid command: %02x\n", Cmd);
+ CDR_LOG_I("Invalid command: %02x%s\n",
+ Cmd, not_ready ? " (not_ready)" : "");
error = ERROR_INVALIDCMD;
// FALLTHROUGH
set_error:
SetResultSize(2);
cdr.Result[0] = cdr.StatP | STATUS_ERROR;
- cdr.Result[1] = error;
+ cdr.Result[1] = not_ready ? ERROR_NOTREADY : error;
cdr.Stat = DiskError;
break;
}
if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) {
+ printf("cdr.DriveState %d->%d\n", cdr.DriveState, DRIVESTATE_STANDBY);
cdr.DriveState = DRIVESTATE_STANDBY;
cdr.StatP |= STATUS_ROTATING;
}
- 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;
- }
- }
-
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);
+ CDR_LOG_I("%u cdrom: cmd %02x came before %02x finished\n",
+ psxRegs.cycle, cdr.Cmd, Cmd);
}
setIrq(Cmd);
SetResultSize(1);
cdr.Result[0] = result;
cdr.Stat = (result & STATUS_ERROR) ? DiskError : DataReady;
- setIrq(0x203);
+ setIrq(0x1004);
}
static void cdrUpdateTransferBuf(const u8 *buf)
CDRPLAYSEEKREAD_INT((cdr.Mode & MODE_SPEED) ? (cdReadTime / 2) : cdReadTime, 0);
}
-static void doMissedIrqs(void)
-{
- 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;
- }
- if (!(psxRegs.interrupt & (1 << PSXINT_CDR)) && cdr.CmdInProgress)
- CDR_INT(256);
-}
-
/*
cdrRead0:
bit 0,1 - mode
}
#ifdef CDR_LOG_CMD_IRQ
- SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]);
+ SysPrintf("%u cdrom: CD1 write: %x (%s)", psxRegs.cycle, rt, CmdName[rt]);
if (cdr.ParamC) {
int i;
SysPrintf(" Param[%d] = {", cdr.ParamC);
CDR_INT(5000);
}
else {
- CDR_LOG_I("cdr: cmd while busy: %02x, prev %02x, busy %02x\n",
- rt, cdr.Cmd, cdr.CmdInProgress);
+ CDR_LOG_I("%u cdrom: cmd while busy: %02x, prev %02x, busy %02x\n",
+ psxRegs.cycle, rt, cdr.Cmd, cdr.CmdInProgress);
if (cdr.CmdInProgress < 0x100) // no pending 2nd response
cdr.CmdInProgress = rt;
}
return;
case 1:
cdr.Reg2 = rt;
- setIrq(0x204);
+ setIrq(0x1005);
return;
case 2:
cdr.AttenuatorLeftToLeftT = rt;
case 0:
break; // transfer
case 1:
+ if (cdr.Stat & rt) {
#ifdef CDR_LOG_CMD_IRQ
- if (cdr.Stat & rt)
- SysPrintf("ack %02x\n", cdr.Stat & rt);
+ SysPrintf("%u cdrom: ack %02x (w %02x)\n",
+ psxRegs.cycle, cdr.Stat & rt, rt);
#endif
+ // note: Croc vs Discworld Noir
+ if (!(psxRegs.interrupt & (1 << PSXINT_CDR)) &&
+ (cdr.CmdInProgress || cdr.Irq1Pending))
+ CDR_INT(850); // 711-993
+ }
cdr.Stat &= ~rt;
if (rt & 0x40)
cdr.ParamC = 0;
- doMissedIrqs();
return;
case 2:
cdr.AttenuatorLeftToRightT = rt;
notaz.gp2x.de / pcsx_rearmed.git / blobdiff