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scsihd updates

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- Fixed parameter interpretation for READ(10) and READ(12)
- Added WRITE(10)
This commit is contained in:
R. Belmont 2009-10-17 20:15:15 +00:00
parent f952539eff
commit 98800d5b98
1 changed files with 13 additions and 3 deletions
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16
src/emu/machine/scsihd.c
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@ -77,17 +77,27 @@ static int scsihd_exec_command( SCSIInstance *scsiInstance, UINT8 *statusCode )
case 0x28: // READ(10)
our_this->lba = command[2]<<24 | command[3]<<16 | command[4]<<8 | command[5];
our_this->blocks = command[6]<<24 | command[7]<<16 | command[8]<<8 | command[9];
our_this->blocks = SCSILengthFromUINT16( &command[7] );
logerror("SCSIHD: READ at LBA %x for %x blocks\n", our_this->lba, our_this->blocks);
SCSISetPhase( scsiInstance, SCSI_PHASE_DATAIN );
return our_this->blocks * 512;
case 0xa8: // READ(12)
case 0x2a: // WRITE (10)
our_this->lba = command[2]<<24 | command[3]<<16 | command[4]<<8 | command[5];
our_this->blocks = SCSILengthFromUINT16( &command[7] );
logerror("SCSIHD: WRITE to LBA %x for %x blocks\n", our_this->lba, our_this->blocks);
SCSISetPhase( scsiInstance, SCSI_PHASE_DATAOUT );
return our_this->blocks * 512;
case 0xa8: // READ(12)
our_this->lba = command[2]<<24 | command[3]<<16 | command[4]<<8 | command[5];
our_this->blocks = command[6]<<24 | command[7]<<16 | command[8]<<8 | command[9];
logerror("SCSIHD: READ at LBA %x for %x blocks\n", our_this->lba, our_this->blocks);
SCSISetPhase( scsiInstance, SCSI_PHASE_DATAIN );
@ -238,12 +248,12 @@ static void scsihd_alloc_instance( SCSIInstance *scsiInstance, const char *diskr
our_this->disk = mess_hd_get_hard_disk_file( devtag_get_device( machine, diskregion ) );
#else
our_this->disk = hard_disk_open(get_disk_handle( machine, diskregion ));
#endif
if (!our_this->disk)
{
logerror("SCSIHD: no HD found!\n");
}
#endif
}
static void scsihd_delete_instance( SCSIInstance *scsiInstance )