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path: root/src/mame/includes/m57.h
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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();
	UINT32 screen_update_m57(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};