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path: root/src/mame/includes/brkthru.h
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// license:BSD-3-Clause
// copyright-holders:Phil Stroffolino
/***************************************************************************

    Break Thru

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

class brkthru_state : public driver_device
{
public:
	brkthru_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_fg_videoram(*this, "fg_videoram"),
		m_videoram(*this, "videoram"),
		m_spriteram(*this, "spriteram"),
		m_maincpu(*this, "maincpu"),
		m_audiocpu(*this, "audiocpu"),
		m_gfxdecode(*this, "gfxdecode"),
		m_palette(*this, "palette") { }

	/* memory pointers */
	required_shared_ptr<UINT8> m_fg_videoram;
	required_shared_ptr<UINT8> m_videoram;
	required_shared_ptr<UINT8> m_spriteram;

	/* video-related */
	tilemap_t *m_fg_tilemap;
	tilemap_t *m_bg_tilemap;
	int     m_bgscroll;
	int     m_bgbasecolor;
	int     m_flipscreen;
	//UINT8 *m_brkthru_nmi_enable; /* needs to be tracked down */

	/* devices */
	required_device<cpu_device> m_maincpu;
	required_device<cpu_device> m_audiocpu;
	required_device<gfxdecode_device> m_gfxdecode;
	required_device<palette_device> m_palette;

	UINT8   m_nmi_mask;
	DECLARE_WRITE8_MEMBER(brkthru_1803_w);
	DECLARE_WRITE8_MEMBER(darwin_0803_w);
	DECLARE_WRITE8_MEMBER(brkthru_soundlatch_w);
	DECLARE_WRITE8_MEMBER(brkthru_bgram_w);
	DECLARE_WRITE8_MEMBER(brkthru_fgram_w);
	DECLARE_WRITE8_MEMBER(brkthru_1800_w);
	DECLARE_INPUT_CHANGED_MEMBER(coin_inserted);
	DECLARE_DRIVER_INIT(brkthru);
	TILE_GET_INFO_MEMBER(get_bg_tile_info);
	TILE_GET_INFO_MEMBER(get_fg_tile_info);
	virtual void machine_start() override;
	virtual void machine_reset() override;
	virtual void video_start() override;
	DECLARE_PALETTE_INIT(brkthru);
	UINT32 screen_update_brkthru(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	INTERRUPT_GEN_MEMBER(vblank_irq);
	void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect, int prio );
};