class m90_state : public driver_device { public: m90_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) { } UINT16 *m_video_data; UINT16 *m_spriteram; size_t m_spriteram_size; UINT16 m_video_control_data[8]; tilemap_t *m_pf1_layer; tilemap_t *m_pf2_layer; tilemap_t *m_pf1_wide_layer; tilemap_t *m_pf2_wide_layer; UINT8 m_last_pf1; UINT8 m_last_pf2; device_t *m_audio; }; /*----------- defined in video/m90.c -----------*/ VIDEO_START( m90 ); VIDEO_START( dynablsb ); VIDEO_START( bomblord ); SCREEN_UPDATE( m90 ); SCREEN_UPDATE( dynablsb ); SCREEN_UPDATE( bomblord ); WRITE16_HANDLER( m90_video_w ); WRITE16_HANDLER( m90_video_control_w );