/************************************************************************* Sega g80 common sound hardware *************************************************************************/ MACHINE_DRIVER_EXTERN( sega_speech_board ); WRITE8_HANDLER( sega_speech_data_w ); WRITE8_HANDLER( sega_speech_control_w ); MACHINE_DRIVER_EXTERN( sega_universal_sound_board ); MACHINE_DRIVER_EXTERN( sega_universal_sound_board_rom ); void sega_usb_reset(UINT8 t1_clock_mask); READ8_HANDLER( sega_usb_status_r ); WRITE8_HANDLER( sega_usb_data_w ); READ8_HANDLER( sega_usb_ram_r ); WRITE8_HANDLER( sega_usb_ram_w );