/************************************************************************* Driver for Midway X-unit games. **************************************************************************/ class midxunit_state : public driver_device { public: midxunit_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_nvram(*this, "nvram") { } required_shared_ptr m_nvram; UINT8 *m_decode_memory; UINT8 m_cmos_write_enable; UINT16 m_iodata[8]; UINT8 m_ioshuffle[16]; UINT8 m_analog_port; UINT8 m_uart[8]; UINT8 m_security_bits; }; /*----------- defined in machine/midxunit.c -----------*/ READ16_HANDLER( midxunit_cmos_r ); WRITE16_HANDLER( midxunit_cmos_w ); WRITE16_HANDLER( midxunit_io_w ); WRITE16_HANDLER( midxunit_unknown_w ); READ16_HANDLER( midxunit_io_r ); READ16_HANDLER( midxunit_analog_r ); WRITE16_HANDLER( midxunit_analog_select_w ); READ16_HANDLER( midxunit_status_r ); READ16_HANDLER( midxunit_uart_r ); WRITE16_HANDLER( midxunit_uart_w ); DRIVER_INIT( revx ); MACHINE_RESET( midxunit ); READ16_HANDLER( midxunit_security_r ); WRITE16_HANDLER( midxunit_security_w ); WRITE16_HANDLER( midxunit_security_clock_w ); READ16_HANDLER( midxunit_sound_r ); WRITE16_HANDLER( midxunit_sound_w );