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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/*************************************************************************

    Kitco Crowns Golf hardware

**************************************************************************/
#include "sound/msm5205.h"
#define MASTER_CLOCK        18432000


class crgolf_state : public driver_device
{
public:
	crgolf_state(const machine_config &mconfig, device_type type, std::string tag)
		: driver_device(mconfig, type, tag),
		m_color_select(*this, "color_select"),
		m_screen_flip(*this, "screen_flip"),
		m_screen_select(*this, "screen_select"),
		m_screenb_enable(*this, "screenb_enable"),
		m_screena_enable(*this, "screena_enable"),
		m_maincpu(*this, "maincpu"),
		m_audiocpu(*this, "audiocpu"),
		m_msm(*this, "msm"){ }

	/* memory pointers */
	std::unique_ptr<UINT8[]>  m_videoram_a;
	std::unique_ptr<UINT8[]>  m_videoram_b;
	required_shared_ptr<UINT8> m_color_select;
	required_shared_ptr<UINT8> m_screen_flip;
	required_shared_ptr<UINT8> m_screen_select;
	required_shared_ptr<UINT8> m_screenb_enable;
	required_shared_ptr<UINT8> m_screena_enable;

	/* misc */
	UINT8    m_port_select;
	UINT8    m_main_to_sound_data;
	UINT8    m_sound_to_main_data;
	UINT16   m_sample_offset;
	UINT8    m_sample_count;

	/* devices */
	required_device<cpu_device> m_maincpu;
	required_device<cpu_device> m_audiocpu;
	optional_device<msm5205_device> m_msm;
	DECLARE_WRITE8_MEMBER(rom_bank_select_w);
	DECLARE_READ8_MEMBER(switch_input_r);
	DECLARE_READ8_MEMBER(analog_input_r);
	DECLARE_WRITE8_MEMBER(switch_input_select_w);
	DECLARE_WRITE8_MEMBER(unknown_w);
	DECLARE_WRITE8_MEMBER(main_to_sound_w);
	DECLARE_READ8_MEMBER(main_to_sound_r);
	DECLARE_WRITE8_MEMBER(sound_to_main_w);
	DECLARE_READ8_MEMBER(sound_to_main_r);
	DECLARE_WRITE8_MEMBER(crgolf_videoram_w);
	DECLARE_READ8_MEMBER(crgolf_videoram_r);
	DECLARE_WRITE8_MEMBER(crgolfhi_sample_w);
	DECLARE_DRIVER_INIT(crgolfhi);
	virtual void machine_start() override;
	virtual void machine_reset() override;
	DECLARE_VIDEO_START(crgolf);
	UINT32 screen_update_crgolf(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
	TIMER_CALLBACK_MEMBER(main_to_sound_callback);
	TIMER_CALLBACK_MEMBER(sound_to_main_callback);
	void get_pens( pen_t *pens );
	DECLARE_WRITE_LINE_MEMBER(vck_callback);
};

/*----------- defined in video/crgolf.c -----------*/
MACHINE_CONFIG_EXTERN( crgolf_video );