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Implemented ATAPI and SCSI SEEK (6) command.

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OBattler
2016-12-29 20:49:01 +01:00
parent 03ee24cc6c
commit a0b7d55312
3 changed files with 20 additions and 2 deletions
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11
src/scsi_cdrom.c
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@@ -31,6 +31,7 @@ uint8_t SCSICommandTable[0x100] =
[GPCMD_PREVENT_REMOVAL] = CHECK_READY,
[GPCMD_READ_CDROM_CAPACITY] = CHECK_READY,
[GPCMD_READ_10] = CHECK_READY,
[GPCMD_SEEK_6] = CHECK_READY | NONDATA,
[GPCMD_SEEK] = CHECK_READY | NONDATA,
[GPCMD_READ_SUBCHANNEL] = CHECK_READY,
[GPCMD_READ_TOC_PMA_ATIP] = CHECK_READY | ALLOW_UA, /* Read TOC - can get through UNIT_ATTENTION, per VIDE-CDD.SYS
@@ -921,8 +922,16 @@ void SCSICDROM_Command(uint8_t id, uint8_t lun, uint8_t *cdb)
SCSIDMAResetPosition(id);
break;
case GPCMD_SEEK6:
case GPCMD_SEEK:
SCSIDevices[id].lba_pos = (cdb[3]<<16)|(cdb[4]<<8)|cdb[5];
if (cbd[0] == GPCMD_SEEK6)
{
SCSIDevices[id].lba_pos = (cdb[2]<<8)|cdb[3];
}
else
{
SCSIDevices[id].lba_pos = (cdb[2]<<24)|(cdb[3]<<16)|(cdb[4]<<8)|cdb[5];
}
cdrom->seek(SCSIDevices[id].lba_pos);
SCSIPhase = SCSI_PHASE_STATUS;