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

    Fast Lane

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

class fastlane_state : public driver_device
{
public:
	fastlane_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_maincpu(*this,"maincpu"),
		m_k007121_regs(*this, "k007121_regs"),
		m_paletteram(*this, "paletteram"),
		m_videoram1(*this, "videoram1"),
		m_videoram2(*this, "videoram2"),
		m_spriteram(*this, "spriteram"){ }

	required_device<cpu_device> m_maincpu;

	/* memory pointers */
	required_shared_ptr<UINT8> m_k007121_regs;
	required_shared_ptr<UINT8> m_paletteram;
	required_shared_ptr<UINT8> m_videoram1;
	required_shared_ptr<UINT8> m_videoram2;
	required_shared_ptr<UINT8> m_spriteram;

	/* video-related */
	tilemap_t    *m_layer0;
	tilemap_t    *m_layer1;
	rectangle  m_clip0;
	rectangle  m_clip1;

	/* devices */
	device_t *m_konami2;
	device_t *m_k007121;

	DECLARE_WRITE8_MEMBER(k007121_registers_w);
	DECLARE_WRITE8_MEMBER(fastlane_bankswitch_w);
	DECLARE_WRITE8_MEMBER(fastlane_vram1_w);
	DECLARE_WRITE8_MEMBER(fastlane_vram2_w);
	DECLARE_READ8_MEMBER(fastlane_k1_k007232_r);
	DECLARE_WRITE8_MEMBER(fastlane_k1_k007232_w);
	DECLARE_READ8_MEMBER(fastlane_k2_k007232_r);
	DECLARE_WRITE8_MEMBER(fastlane_k2_k007232_w);
	TILE_GET_INFO_MEMBER(get_tile_info0);
	TILE_GET_INFO_MEMBER(get_tile_info1);
	virtual void machine_start();
	virtual void video_start();
	virtual void palette_init();
};




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




SCREEN_UPDATE_IND16( fastlane );