// AM_RANGE(0x0000, 0x0fff) AM_ROM
ADDRESS_MAP_END
static READ8_HANDLER( rbmk_mcu_io_r )
{
rbmk_state *state = space->machine().driver_data<rbmk_state>();
if(state->m_mux_data & 8)
{
return ym2151_r(space->machine().device("ymsnd"), offset & 1);
}
else if(state->m_mux_data & 4)
{
//printf("%02x R\n",offset);
// ...
return 0xff;
}
else
printf("Warning: mux data R = %02x",state->m_mux_data);
return 0xff;
}
/*READ8_DEVICE_HANDLER( ym2151_status_port_r ) { return ym2151_r(device, 1); }
WRITE8_DEVICE_HANDLER( ym2151_register_port_w ) { ym2151_w(device, 0, data); }
WRITE8_DEVICE_HANDLER( ym2151_data_port_w ) { ym2151_w(device, 1, data); }*/
UINT8 ym2151_status_port_r(void *info, offs_t offset)
{
return ym2151_r(info, 1);
}