Some extra SCSI cmds
This commit is contained in:
Angelo Salese
parent
97ab16a903
commit
6d1a42504d
@ -202,8 +202,6 @@ void gdrom_device::ExecCommand( int *transferLength )
|
|||||||
//transferOffset = command[2];
|
//transferOffset = command[2];
|
||||||
*transferLength = SCSILengthFromUINT8( &command[ 4 ] );
|
*transferLength = SCSILengthFromUINT8( &command[ 4 ] );
|
||||||
printf("SET_MODE %02x %02x\n",command[2],command[4]);
|
printf("SET_MODE %02x %02x\n",command[2],command[4]);
|
||||||
//for(int i=command[2];i<command[2]+command[4];i++)
|
|
||||||
// GDROM_Cmd11_Reply[i] = command[i];
|
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case 0x15: // MODE SELECT(6)
|
case 0x15: // MODE SELECT(6)
|
||||||
@ -350,6 +348,44 @@ void gdrom_device::ExecCommand( int *transferLength )
|
|||||||
//debugger_break(machine());
|
//debugger_break(machine());
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// READ TOC (GD-ROM ver.)
|
||||||
|
case 0x14:
|
||||||
|
{
|
||||||
|
int start_trk = command[2];// ok?
|
||||||
|
int end_trk = cdrom_get_last_track(cdrom);
|
||||||
|
int length;
|
||||||
|
int allocation_length = SCSILengthFromUINT16( &command[ 3 ] );
|
||||||
|
|
||||||
|
if( start_trk == 0 )
|
||||||
|
{
|
||||||
|
start_trk = 1;
|
||||||
|
}
|
||||||
|
if( start_trk == 0xaa )
|
||||||
|
{
|
||||||
|
end_trk = start_trk;
|
||||||
|
}
|
||||||
|
|
||||||
|
length = 4 + ( 8 * ( ( end_trk - start_trk ) + 1 ) );
|
||||||
|
if( length > allocation_length )
|
||||||
|
{
|
||||||
|
length = allocation_length;
|
||||||
|
}
|
||||||
|
else if( length < 4 )
|
||||||
|
{
|
||||||
|
length = 4;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (m_cdda != NULL)
|
||||||
|
{
|
||||||
|
m_cdda->stop_audio();
|
||||||
|
}
|
||||||
|
|
||||||
|
SetPhase( SCSI_PHASE_DATAIN );
|
||||||
|
*transferLength = length;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
case 0x45: // PLAY AUDIO(10)
|
case 0x45: // PLAY AUDIO(10)
|
||||||
lba = command[2]<<24 | command[3]<<16 | command[4]<<8 | command[5];
|
lba = command[2]<<24 | command[3]<<16 | command[4]<<8 | command[5];
|
||||||
blocks = SCSILengthFromUINT16( &command[7] );
|
blocks = SCSILengthFromUINT16( &command[7] );
|
||||||
@ -507,6 +543,18 @@ void gdrom_device::ExecCommand( int *transferLength )
|
|||||||
*transferLength = sizeof(GDROM_Cmd71_Reply);
|
*transferLength = sizeof(GDROM_Cmd71_Reply);
|
||||||
break;
|
break;
|
||||||
|
|
||||||
|
case 0x40:
|
||||||
|
if(command[1] & 0xf)
|
||||||
|
{
|
||||||
|
SetPhase( SCSI_PHASE_DATAIN );
|
||||||
|
*transferLength = 0xe;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
printf("command 0x40: unhandled subchannel request\n");
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
default:
|
default:
|
||||||
scsihle_device::ExecCommand( transferLength );
|
scsihle_device::ExecCommand( transferLength );
|
||||||
break;
|
break;
|
||||||
@ -552,11 +600,6 @@ void gdrom_device::ReadData( UINT8 *data, int dataLength )
|
|||||||
memcpy(data, &GDROM_Cmd11_Reply[transferOffset], (dataLength >= 32-transferOffset) ? 32-transferOffset : dataLength);
|
memcpy(data, &GDROM_Cmd11_Reply[transferOffset], (dataLength >= 32-transferOffset) ? 32-transferOffset : dataLength);
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case 0x12: // INQUIRY
|
|
||||||
//memset( data, 0, dataLength );
|
|
||||||
memcpy(data, &GDROM_Cmd11_Reply[transferOffset], (dataLength >= 32-transferOffset) ? 32-transferOffset : dataLength);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case 0x25: // READ CAPACITY
|
case 0x25: // READ CAPACITY
|
||||||
logerror("GDROM: READ CAPACITY\n");
|
logerror("GDROM: READ CAPACITY\n");
|
||||||
|
|
||||||
@ -815,6 +858,83 @@ void gdrom_device::ReadData( UINT8 *data, int dataLength )
|
|||||||
}
|
}
|
||||||
break;
|
break;
|
||||||
|
|
||||||
|
case 0x14: // READ TOC (GD-ROM ver.)
|
||||||
|
/*
|
||||||
|
Track numbers are problematic here: 0 = lead-in, 0xaa = lead-out.
|
||||||
|
That makes sense in terms of how real-world CDs are referred to, but
|
||||||
|
our internal routines for tracks use "0" as track 1. That probably
|
||||||
|
should be fixed...
|
||||||
|
*/
|
||||||
|
logerror("GDROM: READ TOC, format = %d time=%d\n", command[2]&0xf,(command[1]>>1)&1);
|
||||||
|
switch (command[1] & 0x0f)
|
||||||
|
{
|
||||||
|
case 0: // normal
|
||||||
|
{
|
||||||
|
int start_trk;
|
||||||
|
int end_trk;
|
||||||
|
int len;
|
||||||
|
int in_len;
|
||||||
|
int dptr;
|
||||||
|
UINT32 tstart;
|
||||||
|
|
||||||
|
start_trk = command[2];
|
||||||
|
if( start_trk == 0 )
|
||||||
|
{
|
||||||
|
start_trk = 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
end_trk = cdrom_get_last_track(cdrom);
|
||||||
|
len = (end_trk * 8) + 2;
|
||||||
|
|
||||||
|
// the returned TOC DATA LENGTH must be the full amount,
|
||||||
|
// regardless of how much we're able to pass back due to in_len
|
||||||
|
dptr = 0;
|
||||||
|
data[dptr++] = (len>>8) & 0xff;
|
||||||
|
data[dptr++] = (len & 0xff);
|
||||||
|
data[dptr++] = 1;
|
||||||
|
data[dptr++] = end_trk;
|
||||||
|
|
||||||
|
if( start_trk == 0xaa )
|
||||||
|
{
|
||||||
|
end_trk = 0xaa;
|
||||||
|
}
|
||||||
|
|
||||||
|
in_len = command[3]<<8 | command[4];
|
||||||
|
|
||||||
|
for (i = start_trk; i <= end_trk; i++)
|
||||||
|
{
|
||||||
|
int cdrom_track = i;
|
||||||
|
if( cdrom_track != 0xaa )
|
||||||
|
{
|
||||||
|
cdrom_track--;
|
||||||
|
}
|
||||||
|
|
||||||
|
if( dptr >= in_len )
|
||||||
|
{
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
data[dptr++] = 0;
|
||||||
|
data[dptr++] = cdrom_get_adr_control(cdrom, cdrom_track);
|
||||||
|
data[dptr++] = i;
|
||||||
|
data[dptr++] = 0;
|
||||||
|
|
||||||
|
tstart = cdrom_get_track_start(cdrom, cdrom_track);
|
||||||
|
if ((command[1]&2)>>1)
|
||||||
|
tstart = lba_to_msf(tstart);
|
||||||
|
data[dptr++] = (tstart>>24) & 0xff;
|
||||||
|
data[dptr++] = (tstart>>16) & 0xff;
|
||||||
|
data[dptr++] = (tstart>>8) & 0xff;
|
||||||
|
data[dptr++] = (tstart & 0xff);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
logerror("GDROM: Unhandled READ TOC format %d\n", command[2]&0xf);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
case 0x1a: // MODE SENSE(6)
|
case 0x1a: // MODE SENSE(6)
|
||||||
case 0x5a: // MODE SENSE(10)
|
case 0x5a: // MODE SENSE(10)
|
||||||
logerror("GDROM: MODE SENSE page code = %x, PC = %x\n", command[2] & 0x3f, (command[2]&0xc0)>>6);
|
logerror("GDROM: MODE SENSE page code = %x, PC = %x\n", command[2] & 0x3f, (command[2]&0xc0)>>6);
|
||||||
@ -847,6 +967,23 @@ void gdrom_device::ReadData( UINT8 *data, int dataLength )
|
|||||||
memcpy(data, &GDROM_Cmd71_Reply[0], sizeof(GDROM_Cmd71_Reply));
|
memcpy(data, &GDROM_Cmd71_Reply[0], sizeof(GDROM_Cmd71_Reply));
|
||||||
break;
|
break;
|
||||||
|
|
||||||
|
case 0x40: // Get Subchannel status
|
||||||
|
data[0] = 0; // Reserved
|
||||||
|
data[1] = 0x15; // Audio Playback status (todo)
|
||||||
|
data[2] = 0;
|
||||||
|
data[3] = 0x0e; // header size
|
||||||
|
data[4] = 0; // ?
|
||||||
|
data[5] = 1; // Track Number
|
||||||
|
data[6] = 1; // gap #1
|
||||||
|
data[7] = 0; // ?
|
||||||
|
data[8] = 0; // ?
|
||||||
|
data[9] = 0; // ?
|
||||||
|
data[0xa] = 0; // ?
|
||||||
|
data[0xb] = 0; // FAD >> 16
|
||||||
|
data[0xc] = 0; // FAD >> 8
|
||||||
|
data[0xd] = 0x96; // FAD >> 0
|
||||||
|
break;
|
||||||
|
|
||||||
default:
|
default:
|
||||||
scsihle_device::ReadData( data, dataLength );
|
scsihle_device::ReadData( data, dataLength );
|
||||||
break;
|
break;
|
||||||
@ -891,6 +1028,10 @@ void gdrom_device::WriteData( UINT8 *data, int dataLength )
|
|||||||
}
|
}
|
||||||
break;
|
break;
|
||||||
|
|
||||||
|
case 0x12:
|
||||||
|
memcpy(&GDROM_Cmd11_Reply[transferOffset], data, (dataLength >= 32-transferOffset) ? 32-transferOffset : dataLength);
|
||||||
|
break;
|
||||||
|
|
||||||
default:
|
default:
|
||||||
scsihle_device::WriteData( data, dataLength );
|
scsihle_device::WriteData( data, dataLength );
|
||||||
break;
|
break;
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user