int CdRead(u32 lsn, u32 sectors, void *buf, CdRMode *mode){
u32 i;
u8* buff;
int rmode;
switch (mode->datapattern) {
case CdSecS2048:
rmode = CDVD_MODE_2048; break;
case CdSecS2328:
rmode = CDVD_MODE_2328; break;
case CdSecS2340:
rmode = CDVD_MODE_2340; break;
default:
return 0;
}
for (i=0; i<sectors; i++){
if (CDVDreadTrack(lsn+i, rmode)==-1)
return 0;
buff = CDVDgetBuffer();
if (buff==NULL) return 0;
switch (mode->datapattern){
case CdSecS2048:
memcpy((void*)((uptr)buf+2048*i), buff, 2048);break;//only data
case CdSecS2328:
memcpy((void*)((uptr)buf+2328*i), buff, 2328);break;//without sync & head & sub
case CdSecS2340:
memcpy((void*)((uptr)buf+2340*i), buff, 2340);break;//without sync
}
}
return 1;
}
int DvdRead(u32 lsn, u32 sectors, void *buf, CdRMode *mode){
u32 i;
u8* buff;
for (i=lsn; i<(lsn+sectors); i++){
if (CDVDreadTrack(i, CDVD_MODE_2048)==-1)
return 0;
buff = CDVDgetBuffer();
if (buff==NULL) return 0;
// switch (mode->datapattern){
// case CdSecS2064:
((u32*)buf)[0] = i + 0x30000;
memcpy((u8*)buf+12, buff, 2048);
(u8*)buf+= 2064; break;
// default:
// return 0;
// }
}
return 1;
}
void cdrReadInterrupt() {
u8 *buf;
if (!cdr.Reading)
return;
if (cdr.Stat) {
CDREAD_INT(0x800);
return;
}
CDR_LOG("KEY END");
cdr.OCUP = 1;
SetResultSize(1);
cdr.StatP|= 0x22;
cdr.Result[0] = cdr.StatP;
SysPrintf("Reading From CDR");
buf = CDVDgetBuffer();
if (buf == NULL) cdr.RErr = -1;
if (cdr.RErr == -1) {
CDR_LOG(" err\n");
memzero_ptr<2340>(cdr.Transfer);
cdr.Stat = DiskError;
cdr.Result[0]|= 0x01;
ReadTrack();
CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
return;
}
memcpy_fast(cdr.Transfer, buf+12, 2340);
cdr.Stat = DataReady;
CDR_LOG(" %x:%x:%x\n", cdr.Transfer[0], cdr.Transfer[1], cdr.Transfer[2]);
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.Readed = 0;
if ((cdr.Transfer[4+2] & 0x80) && (cdr.Mode & 0x2)) { // EOF
CDR_LOG("AutoPausing Read\n");
AddIrqQueue(CdlPause, 0x800);
}
else {
ReadTrack();
CDREAD_INT((cdr.Mode & 0x80) ? (cdReadTime / 2) : cdReadTime);
}
psxHu32(0x1070)|= 0x4;
return;
}
