void getFileAndPosForBlockHash(BlockHeader& blk)
{
BlockFilePosition filePos = { 0, 0 };
//we dont have the file position for this header, let's find it
class StopReading : public std::exception
{
};
const BinaryData& thisHash = blk.getThisHash();
const auto stopIfBlkHeaderRecognized =
[&thisHash, &filePos](
const BinaryData &blockheader,
const BlockFilePosition &pos,
uint32_t blksize
)
{
filePos = pos;
BlockHeader block;
BinaryRefReader brr(blockheader);
block.unserialize(brr);
const HashString blockhash = block.getThisHash();
if (blockhash == thisHash)
throw StopReading();
};
try
{
//at this point, the last blkFile has been scanned for block, so skip it
for (int32_t i = blkFiles_.size() - 2; i > -1; i--)
{
readHeadersFromFile(
blkFiles_[i],
0,
stopIfBlkHeaderRecognized
);
}
}
catch (StopReading&)
{
// we're fine
}
blk.setBlockFileNum(filePos.first);
blk.setBlockFileOffset(filePos.second);
}
void cdrWrite1(u8 rt) {
int i;
CDVD_LOG("CD1 write: %x (%s)", rt, CmdName[rt]);
cdr.Cmd = rt;
cdr.OCUP = 0;
#ifdef CDRCMD_DEBUG
SysPrintf("CD1 write: %x (%s)", rt, CmdName[rt]);
if (cdr.ParamC) {
SysPrintf(" Param[%d] = {", cdr.ParamC);
for (i=0;i<cdr.ParamC;i++) SysPrintf(" %x,", cdr.Param[i]);
SysPrintf("}\n");
} else SysPrintf("\n");
#endif
if (cdr.Ctrl & 0x1) return;
switch(cdr.Cmd) {
case CdlSync:
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlNop:
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlSetloc:
StopReading();
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:
cdr.Play = 1;
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;
case CdlReadN:
cdr.Irq = 0;
StopReading();
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
StartReading(1);
break;
case CdlStandby:
StopCdda();
StopReading();
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlStop:
StopCdda();
StopReading();
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlPause:
StopCdda();
StopReading();
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x40000);
break;
case CdlReset:
case CdlInit:
StopCdda();
StopReading();
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlMute:
cdr.Muted = 0;
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlDemute:
cdr.Muted = 1;
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlSetfilter:
cdr.File = cdr.Param[0];
cdr.Channel = cdr.Param[1];
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlSetmode:
CDVD_LOG("Setmode %x", cdr.Param[0]);
cdr.Mode = cdr.Param[0];
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlGetmode:
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlGetlocL:
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlGetlocP:
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlGetTN:
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
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);
break;
case CdlSeekP:
((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
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);
break;
case CdlReadToc:
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
default:
CDVD_LOG("Unknown Cmd: %x\n", cdr.Cmd);
return;
}
if (cdr.Stat != NoIntr)
iopIntcIrq( 2 );
}
void cdrInterrupt() {
u16 Irq = cdr.Irq;
int no_busy_error = 0;
int start_rotating = 0;
int error = 0;
int delay;
// Reschedule IRQ
if (cdr.Stat) {
CDR_LOG_I("cdrom: stat hack: %02x %x\n", cdr.Irq, cdr.Stat);
CDR_INT(0x1000);
return;
}
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:
// TOOD: sometimes/always return error?
break;
case CdlNop:
if (cdr.DriveState != DRIVESTATE_LID_OPEN)
cdr.StatP &= ~STATUS_SHELLOPEN;
no_busy_error = 1;
break;
case CdlSetloc:
break;
do_CdlPlay:
case CdlPlay:
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_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];
}
}
/*
Rayman: detect track changes
- fixes logo freeze
Twisted Metal 2: skip PREGAP + starting accurate SubQ
- plays tracks without retry play
Wild 9: skip PREGAP + starting accurate SubQ
- plays tracks without retry play
*/
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.Result[0] = cdr.StatP;
cdr.StatP |= STATUS_PLAY;
// BIOS player - set flag again
cdr.Play = TRUE;
CDRMISC_INT( cdReadTime );
start_rotating = 1;
break;
case CdlForward:
// 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++;
cdr.FastBackward = 0;
break;
case CdlBackward:
cdr.Stat = Complete;
// GameShark CD Player: Calls 2x + Play 2x
if( cdr.FastBackward == 0 ) cdr.FastBackward = 2;
else cdr.FastBackward++;
cdr.FastForward = 0;
break;
case CdlStandby:
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:
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;
break;
case CdlPause:
/*
Gundam Battle Assault 2: much slower (*)
- Fixes boot, gameplay
Hokuto no Ken 2: slower
- Fixes intro + subtitles
InuYasha - Feudal Fairy Tale: slower
- Fixes battles
*/
AddIrqQueue(CdlPause + 0x100, cdReadTime * 3);
cdr.Ctrl |= 0x80;
break;
case CdlPause + 0x100:
cdr.StatP &= ~STATUS_READ;
cdr.Result[0] = cdr.StatP;
cdr.Stat = Complete;
break;
case CdlInit:
AddIrqQueue(CdlInit + 0x100, cdReadTime * 6);
no_busy_error = 1;
start_rotating = 1;
break;
case CdlInit + 0x100:
cdr.Stat = Complete;
break;
case CdlMute:
cdr.Muted = TRUE;
break;
case CdlDemute:
cdr.Muted = FALSE;
break;
case CdlSetfilter:
cdr.File = cdr.Param[0];
cdr.Channel = cdr.Param[1];
break;
case CdlSetmode:
no_busy_error = 1;
break;
case CdlGetmode:
SetResultSize(6);
cdr.Result[1] = cdr.Mode;
cdr.Result[2] = cdr.File;
cdr.Result[3] = cdr.Channel;
cdr.Result[4] = 0;
cdr.Result[5] = 0;
no_busy_error = 1;
break;
case CdlGetlocL:
SetResultSize(8);
memcpy(cdr.Result, cdr.Transfer, 8);
break;
case CdlGetlocP:
SetResultSize(8);
memcpy(&cdr.Result, &cdr.subq, 8);
if (!cdr.Play && !cdr.Reading)
cdr.Result[1] = 0; // HACK?
break;
case CdlReadT: // SetSession?
// really long
AddIrqQueue(CdlReadT + 0x100, cdReadTime * 290 / 4);
start_rotating = 1;
break;
case CdlReadT + 0x100:
cdr.Stat = Complete;
break;
case CdlGetTN:
SetResultSize(3);
if (CDR_getTN(cdr.ResultTN) == -1) {
cdr.Stat = DiskError;
cdr.Result[0] |= STATUS_ERROR;
} else {
cdr.Stat = Acknowledge;
cdr.Result[1] = itob(cdr.ResultTN[0]);
cdr.Result[2] = itob(cdr.ResultTN[1]);
}
break;
case CdlGetTD:
cdr.Track = btoi(cdr.Param[0]);
SetResultSize(4);
if (CDR_getTD(cdr.Track, cdr.ResultTD) == -1) {
cdr.Stat = DiskError;
cdr.Result[0] |= STATUS_ERROR;
} else {
cdr.Stat = Acknowledge;
cdr.Result[0] = cdr.StatP;
cdr.Result[1] = itob(cdr.ResultTD[2]);
cdr.Result[2] = itob(cdr.ResultTD[1]);
cdr.Result[3] = itob(cdr.ResultTD[0]);
}
break;
case CdlSeekL:
case CdlSeekP:
StopCdda();
StopReading();
cdr.StatP |= STATUS_SEEK;
/*
Crusaders of Might and Magic = 0.5x-4x
- fix cutscene speech start
Eggs of Steel = 2x-?
- fix new game
Medievil = ?-4x
- fix cutscene speech
Rockman X5 = 0.5-4x
- fix capcom logo
*/
CDRMISC_INT(cdr.Seeked == SEEK_DONE ? 0x800 : cdReadTime * 4);
cdr.Seeked = SEEK_PENDING;
start_rotating = 1;
break;
case CdlTest:
switch (cdr.Param[0]) {
case 0x20: // System Controller ROM Version
SetResultSize(4);
memcpy(cdr.Result, Test20, 4);
break;
case 0x22:
SetResultSize(8);
memcpy(cdr.Result, Test22, 4);
break;
case 0x23: case 0x24:
SetResultSize(8);
memcpy(cdr.Result, Test23, 4);
break;
}
no_busy_error = 1;
break;
case CdlID:
AddIrqQueue(CdlID + 0x100, 20480);
break;
case CdlID + 0x100:
SetResultSize(8);
cdr.Result[0] = cdr.StatP;
cdr.Result[1] = 0;
cdr.Result[2] = 0;
cdr.Result[3] = 0;
// 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)
cdr.Result[1] |= 0x10;
if (CdromId[0] == '\0')
cdr.Result[1] |= 0x80;
}
cdr.Result[0] |= (cdr.Result[1] >> 4) & 0x08;
strncpy((char *)&cdr.Result[4], "PCSX", 4);
cdr.Stat = Complete;
break;
case CdlReset:
// 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 CdlGetQ:
// TODO?
CDR_LOG_I("got CdlGetQ\n");
break;
case CdlReadToc:
AddIrqQueue(CdlReadToc + 0x100, cdReadTime * 180 / 4);
no_busy_error = 1;
start_rotating = 1;
break;
case CdlReadToc + 0x100:
cdr.Stat = Complete;
no_busy_error = 1;
break;
case CdlReadN:
case CdlReadS:
if (cdr.SetlocPending) {
memcpy(cdr.SetSectorPlay, cdr.SetSector, 4);
cdr.SetlocPending = 0;
}
Find_CurTrack(cdr.SetSectorPlay);
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.SetSectorPlay);
// Crusaders of Might and Magic - update getlocl now
// - fixes cutscene speech
{
u8 *buf = CDR_getBuffer();
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 != SEEK_DONE) {
cdr.StatP |= STATUS_SEEK;
cdr.StatP &= ~STATUS_READ;
// Crusaders of Might and Magic - use short time
// - fix cutscene speech (startup)
// ??? - use more accurate seek time later
CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
} else {
cdr.StatP |= STATUS_READ;
cdr.StatP &= ~STATUS_SEEK;
CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime * 1);
}
cdr.Result[0] = cdr.StatP;
start_rotating = 1;
break;
default:
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;
}
if (cdr.DriveState == DRIVESTATE_STOPPED && start_rotating) {
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_NOT_READY;
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
}
// 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()
{
switch (cdr.DriveState) {
default:
case DRIVESTATE_STANDBY:
cdr.StatP &= ~STATUS_SEEK;
if (CDR_getStatus(&stat) == -1)
return;
if (stat.Status & STATUS_SHELLOPEN)
{
StopCdda();
cdr.DriveState = DRIVESTATE_LID_OPEN;
CDRLID_INT(0x800);
}
break;
case DRIVESTATE_LID_OPEN:
if (CDR_getStatus(&stat) == -1)
stat.Status &= ~STATUS_SHELLOPEN;
// 02, 12, 10
if (!(cdr.StatP & STATUS_SHELLOPEN)) {
StopReading();
cdr.StatP |= STATUS_SHELLOPEN;
// could generate error irq here, but real hardware
// only sometimes does that
// (not done when lots of commands are sent?)
CDRLID_INT(cdReadTime * 30);
break;
}
else if (cdr.StatP & STATUS_ROTATING) {
cdr.StatP &= ~STATUS_ROTATING;
}
else if (!(stat.Status & STATUS_SHELLOPEN)) {
// closed now
CheckCdrom();
// cdr.StatP STATUS_SHELLOPEN is "sticky"
// and is only cleared by CdlNop
cdr.DriveState = DRIVESTATE_RESCAN_CD;
CDRLID_INT(cdReadTime * 105);
break;
}
// recheck for close
CDRLID_INT(cdReadTime * 3);
break;
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;
case DRIVESTATE_PREPARE_CD:
cdr.StatP |= STATUS_SEEK;
cdr.DriveState = DRIVESTATE_STANDBY;
CDRLID_INT(cdReadTime * 26);
break;
}
}
void cdrWrite1(unsigned char rt) {
int i;
#ifdef CDR_LOG
CDR_LOG("cdrWrite1() Log: CD1 write: %x (%s)\n", rt, CmdName[rt]);
#endif
// psxHu8(0x1801) = rt;
cdr.Cmd = rt;
cdr.OCUP = 0;
#ifdef CDRCMD_DEBUG
SysPrintf("cdrWrite1() Log: CD1 write: %x (%s)", rt, CmdName[rt]);
if (cdr.ParamC) {
SysPrintf(" Param[%d] = {", cdr.ParamC);
for (i=0;i<cdr.ParamC;i++) SysPrintf(" %x,", cdr.Param[i]);
SysPrintf("}\n");
} else SysPrintf("\n");
#endif
if (cdr.Ctrl & 0x1) return;
switch(cdr.Cmd) {
case CdlSync:
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlNop:
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlSetloc:
StopReading();
cdr.Seeked = 0;
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:
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);
cdr.Play = 1;
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;
case CdlReadN:
cdr.Irq = 0;
StopReading();
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
StartReading(1);
break;
case CdlStandby:
StopCdda();
StopReading();
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlStop:
StopCdda();
StopReading();
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlPause:
StopCdda();
StopReading();
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x40000);
break;
case CdlReset:
case CdlInit:
StopCdda();
StopReading();
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlMute:
cdr.Muted = 0;
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlDemute:
cdr.Muted = 1;
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlSetfilter:
cdr.File = cdr.Param[0];
cdr.Channel = cdr.Param[1];
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
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);
break;
case CdlGetmode:
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlGetlocL:
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlGetlocP:
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
break;
case CdlGetTN:
cdr.Ctrl|= 0x80;
cdr.Stat = NoIntr;
AddIrqQueue(cdr.Cmd, 0x800);
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);
break;
case CdlSeekP:
// ((u32 *)cdr.SetSectorSeek)[0] = ((u32 *)cdr.SetSector)[0];
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);
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);
psxRegs.interrupt|= 0x80000000;
}
}
// find the location of the first block that is not in @p bc
BlockFilePosition findFirstUnrecognizedBlockHeader(
Blockchain &bc
)
{
map<HashString, BlockHeader> &allHeaders = bc.allHeaders();
size_t index=0;
for (; index < blkFiles_.size(); index++)
{
const BinaryData hash = getFirstHash(blkFiles_[index]);
if (allHeaders.find(hash) == allHeaders.end())
{ // not found in this file
if (index == 0)
return { 0, 0 };
break;
}
}
if (index == 0)
return { 0, 0 };
index--;
// ok, now "index" is for the last blkfile that we found a header in
// now lets linearly search this file until we find an unrecognized blk
BlockFilePosition foundAtPosition{ 0, 0 };
bool foundTopBlock = false;
auto topBlockHash = bc.top().getThisHash();
const auto stopIfBlkHeaderRecognized =
[&allHeaders, &foundAtPosition, &foundTopBlock, &topBlockHash] (
const BinaryData &blockheader,
const BlockFilePosition &pos,
uint32_t blksize
)
{
// always set our position so that eventually it's at the end
foundAtPosition = pos;
BlockHeader block;
BinaryRefReader brr(blockheader);
block.unserialize(brr);
const HashString blockhash = block.getThisHash();
auto bhIter = allHeaders.find(blockhash);
if(bhIter == allHeaders.end())
throw StopReading();
if (bhIter->second.getThisHash() == topBlockHash)
foundTopBlock = true;
bhIter->second.setBlockFileNum(pos.first);
bhIter->second.setBlockFileOffset(pos.second);
};
uint64_t returnedOffset = UINT64_MAX;
try
{
returnedOffset = readHeadersFromFile(
blkFiles_[index],
0,
stopIfBlkHeaderRecognized
);
}
catch (StopReading&)
{
// we're fine
}
// but we never find the genesis block, because
// it always appears in Blockchain even if unloaded, and
// we need to load it
if (foundAtPosition.first == 0 && foundAtPosition.second==293)
return { 0, 0 };
if (returnedOffset != UINT64_MAX)
foundAtPosition.second = returnedOffset;
if (!foundTopBlock)
{
LOGWARN << "Couldn't find top block hash in last seen blk file."
" Searching for it further down the chain";
//Couldn't find the top header in the last seen blk file. Since Core
//0.10, this can be an indicator of missing hashes. Let's find the
//the top block header in file.
BlockFilePosition topBlockPos(0, 0);
auto checkBlkHash = [&topBlockHash, &topBlockPos]
(const BinaryData &rawBlock,
const BlockFilePosition &pos,
uint32_t blksize)->void
{
BlockHeader bhUnser(rawBlock);
if (bhUnser.getThisHash() == topBlockHash)
{
topBlockPos = pos;
throw StopReading();
}
};
bool _foundTopBlock = false;
int32_t fnum = blkFiles_.size();
if (fnum > 0)
fnum--;
try
{
for (; fnum > -1; fnum--)
readHeadersFromFile(blkFiles_[fnum], 0,
checkBlkHash);
}
catch (StopReading&)
{
_foundTopBlock = true;
// we're fine
}
if (!_foundTopBlock)
{
//can't find the top header, let's just rescan all headers
LOGERR << "Failed to find last known top block hash in "
"blk files. Rescanning all headers";
return BlockFilePosition(0, 0);
}
//Check this file to see if we are missing any block hashes in there
auto& f = blkFiles_[foundAtPosition.first];
try
{
readHeadersFromFile(f, 0, stopIfBlkHeaderRecognized);
}
catch (StopReading&)
{
//so we are indeed missing some block headers. Let's just scan the
//blocks folder for headers
foundAtPosition.first = 0;
foundAtPosition.second = 0;
LOGWARN << "Inconsistent headers DB, attempting repairs";
}
}
return foundAtPosition;
}