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// license:BSD-3-Clause
// copyright-holders:Allard van der Bas

#include "machine/timer.h"

class shaolins_state : public driver_device
{
public:
	shaolins_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_palette(*this, "palette"),
		m_spriteram(*this, "spriteram"),
		m_colorram(*this, "colorram"),
		m_videoram(*this, "videoram")   { }

	required_device<cpu_device> m_maincpu;
	required_device<gfxdecode_device> m_gfxdecode;
	required_device<palette_device> m_palette;

	required_shared_ptr<uint8_t> m_spriteram;
	required_shared_ptr<uint8_t> m_colorram;
	required_shared_ptr<uint8_t> m_videoram;

	int m_palettebank;
	tilemap_t *m_bg_tilemap;
	uint8_t m_nmi_enable;

	DECLARE_WRITE8_MEMBER(videoram_w);
	DECLARE_WRITE8_MEMBER(colorram_w);
	DECLARE_WRITE8_MEMBER(palettebank_w);
	DECLARE_WRITE8_MEMBER(scroll_w);
	DECLARE_WRITE8_MEMBER(nmi_w);

	TILE_GET_INFO_MEMBER(get_bg_tile_info);

	virtual void video_start() override;
	DECLARE_PALETTE_INIT(shaolins);

	uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);

	TIMER_DEVICE_CALLBACK_MEMBER(interrupt);
	void shaolins(machine_config &config);
	void shaolins_map(address_map &map);
};