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class xxmissio_state : public driver_device
{
public:
xxmissio_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
UINT8 m_status;
UINT8 *m_bgram;
UINT8 *m_fgram;
UINT8 *m_spriteram;
tilemap_t *m_bg_tilemap;
tilemap_t *m_fg_tilemap;
UINT8 m_xscroll;
UINT8 m_yscroll;
UINT8 m_flipscreen;
};
/*----------- defined in video/xxmissio.c -----------*/
VIDEO_START( xxmissio );
SCREEN_UPDATE( xxmissio );
WRITE8_DEVICE_HANDLER( xxmissio_scroll_x_w );
WRITE8_DEVICE_HANDLER( xxmissio_scroll_y_w );
WRITE8_HANDLER( xxmissio_flipscreen_w );
READ8_HANDLER( xxmissio_bgram_r );
WRITE8_HANDLER( xxmissio_bgram_w );
WRITE8_HANDLER( xxmissio_paletteram_w );
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