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/*************************************************************************

    Capcom Baseball

*************************************************************************/

class cbasebal_state : public driver_device
{
public:
	cbasebal_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag) ,
		m_spriteram(*this, "spriteram"){ }

	/* memory pointers */
	required_shared_ptr<UINT8> m_spriteram;
//  UINT8 *    m_paletteram;    // currently this uses generic palette handling

	/* video-related */
	tilemap_t    *m_fg_tilemap;
	tilemap_t    *m_bg_tilemap;
	UINT8      *m_textram;
	UINT8      *m_scrollram;
	UINT8      m_scroll_x[2];
	UINT8      m_scroll_y[2];
	int        m_tilebank;
	int        m_spritebank;
	int        m_text_on;
	int        m_bg_on;
	int        m_obj_on;
	int        m_flipscreen;

	/* misc */
	UINT8      m_rambank;
	DECLARE_WRITE8_MEMBER(cbasebal_bankswitch_w);
	DECLARE_READ8_MEMBER(bankedram_r);
	DECLARE_WRITE8_MEMBER(bankedram_w);
	DECLARE_WRITE8_MEMBER(cbasebal_coinctrl_w);
	DECLARE_WRITE8_MEMBER(cbasebal_textram_w);
	DECLARE_READ8_MEMBER(cbasebal_textram_r);
	DECLARE_WRITE8_MEMBER(cbasebal_scrollram_w);
	DECLARE_READ8_MEMBER(cbasebal_scrollram_r);
	DECLARE_WRITE8_MEMBER(cbasebal_gfxctrl_w);
	DECLARE_WRITE8_MEMBER(cbasebal_scrollx_w);
	DECLARE_WRITE8_MEMBER(cbasebal_scrolly_w);
	DECLARE_DRIVER_INIT(cbasebal);
	TILE_GET_INFO_MEMBER(get_bg_tile_info);
	TILE_GET_INFO_MEMBER(get_fg_tile_info);
	virtual void machine_start();
	virtual void machine_reset();
	virtual void video_start();
	UINT32 screen_update_cbasebal(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};

/*----------- defined in video/cbasebal.c -----------*/