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/*
* ACB4070 + RLL drive
*
*/
#include "emu.h"
#include "machine/acb4070.h"
// device type definition
const device_type ACB4070 = &device_creator<acb4070_device>;
acb4070_device::acb4070_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: scsihd_device(mconfig, ACB4070, "ACB4070", tag, owner, clock, "acb4070", __FILE__)
{
}
#define ACB4070_CMD_WRITE_DATA_BUFFER ( 0x13 )
#define ACB4070_CMD_READ_DATA_BUFFER ( 0x14 )
#define TRANSFERLENGTH_DATA_BUFFER 0x0400
void acb4070_device::ExecCommand( int *transferLength )
{
switch( command[ 0 ] )
{
case ACB4070_CMD_WRITE_DATA_BUFFER:
SetPhase( SCSI_PHASE_DATAOUT );
*transferLength = TRANSFERLENGTH_DATA_BUFFER;
break;
case ACB4070_CMD_READ_DATA_BUFFER:
SetPhase( SCSI_PHASE_DATAIN );
*transferLength = TRANSFERLENGTH_DATA_BUFFER;
break;
default:
scsihd_device::ExecCommand( transferLength );
break;
}
}
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