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Added a work round so that CR589 firmware updating works again, either from the separate CD's or as part of the game install (for example DDR MAX). [smf]

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smf- 2013-12-02 16:06:45 +00:00
parent d03d9b34ce
commit 62bdebb10d
1 changed files with 47 additions and 37 deletions
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12
src/emu/machine/cr589.c
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@ -45,6 +45,13 @@ void matsushita_cr589_device::ExecCommand()
{ {
switch( command[ 0 ] ) switch( command[ 0 ] )
{ {
case T10SPC_CMD_INQUIRY:
logerror("T10MMC: INQUIRY\n");
m_phase = SCSI_PHASE_DATAIN;
m_status_code = SCSI_STATUS_CODE_GOOD;
m_transfer_length = SCSILengthFromUINT8( &command[ 4 ] );
break;
case 0x3b: // WRITE BUFFER case 0x3b: // WRITE BUFFER
bufferOffset = ( command[ 3 ] << 16 ) | ( command[ 4 ] << 8 ) | command[ 5 ]; bufferOffset = ( command[ 3 ] << 16 ) | ( command[ 4 ] << 8 ) | command[ 5 ];
m_phase = SCSI_PHASE_DATAOUT; m_phase = SCSI_PHASE_DATAOUT;
@ -67,6 +74,7 @@ void matsushita_cr589_device::ExecCommand()
default: default:
t10mmc::ExecCommand(); t10mmc::ExecCommand();
break;
} }
} }
@ -74,7 +82,9 @@ void matsushita_cr589_device::ReadData( UINT8 *data, int dataLength )
{ {
switch( command[ 0 ] ) switch( command[ 0 ] )
{ {
case 0x12: // INQUIRY case T10SPC_CMD_INQUIRY:
memset(data, 0, dataLength);
t10mmc::ReadData( data, dataLength ); t10mmc::ReadData( data, dataLength );
if( download ) if( download )