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path: root/src/mame/includes/m58.h
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class m58_state : public driver_device
{
public:
	m58_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_maincpu(*this, "maincpu"),
		m_gfxdecode(*this, "gfxdecode"),
		m_screen(*this, "screen"),
		m_palette(*this, "palette"),
		m_videoram(*this, "videoram"),
		m_spriteram(*this, "spriteram"),
		m_scroll_x_low(*this, "scroll_x_low"),
		m_scroll_x_high(*this, "scroll_x_high"),
		m_scroll_y_low(*this, "scroll_y_low"),
		m_score_panel_disabled(*this, "score_disable") { }
	
	/* devices */
	required_device<cpu_device> m_maincpu;
	required_device<gfxdecode_device> m_gfxdecode;
	required_device<screen_device> m_screen;
	required_device<palette_device> m_palette;
	
	/* memory pointers */
	required_shared_ptr<UINT8> m_videoram;
	required_shared_ptr<UINT8> m_spriteram;
	required_shared_ptr<UINT8> m_scroll_x_low;
	required_shared_ptr<UINT8> m_scroll_x_high;
	required_shared_ptr<UINT8> m_scroll_y_low;
	required_shared_ptr<UINT8> m_score_panel_disabled;

	/* video-related */
	tilemap_t*             m_bg_tilemap;
	bitmap_ind16             m_scroll_panel_bitmap;
	
	DECLARE_WRITE8_MEMBER(videoram_w);
	DECLARE_WRITE8_MEMBER(scroll_panel_w);
	DECLARE_WRITE8_MEMBER(flipscreen_w);
	
	DECLARE_DRIVER_INIT(yard85);
	virtual void video_start();
	DECLARE_PALETTE_INIT(m58);
	
	TILE_GET_INFO_MEMBER(get_bg_tile_info);
	TILEMAP_MAPPER_MEMBER(tilemap_scan_rows);
	
	UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect );
	void draw_panel( bitmap_ind16 &bitmap, const rectangle &cliprect );
};