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class m57_state : public driver_device
{
public:
m57_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_videoram(*this, "videoram"),
m_scrollram(*this, "scrollram"),
m_spriteram(*this, "spriteram"){ }
/* memory pointers */
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_scrollram;
required_shared_ptr<UINT8> m_spriteram;
/* video-related */
tilemap_t* m_bg_tilemap;
int m_flipscreen;
DECLARE_WRITE8_MEMBER(m57_videoram_w);
DECLARE_WRITE8_MEMBER(m57_flipscreen_w);
TILE_GET_INFO_MEMBER(get_tile_info);
virtual void video_start();
virtual void palette_init();
};
/*----------- defined in video/m57.c -----------*/
SCREEN_UPDATE_IND16( m57 );
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