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

    GI Joe

*************************************************************************/
#include "sound/k054539.h"
#include "video/k053251.h"
#include "video/k054156_k054157_k056832.h"
#include "video/k053246_k053247_k055673.h"
#include "video/konami_helper.h"

class gijoe_state : public driver_device
{
public:
	gijoe_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_spriteram(*this, "spriteram"),
		m_workram(*this, "workram"),
		m_maincpu(*this, "maincpu"),
		m_audiocpu(*this, "audiocpu"),
		m_k054539(*this, "k054539"),
		m_k056832(*this, "k056832"),
		m_k053246(*this, "k053246"),
		m_k053251(*this, "k053251") { }

	/* memory pointers */
	required_shared_ptr<UINT16> m_spriteram;
	required_shared_ptr<UINT16> m_workram;
//  UINT16 *    m_paletteram;    // currently this uses generic palette handling

	/* video-related */
	int         m_avac_bits[4];
	int         m_avac_occupancy[4];
	int         m_layer_colorbase[4];
	int         m_layer_pri[4];
	int         m_avac_vrc;
	int         m_sprite_colorbase;

	/* misc */
	UINT16      m_cur_control2;
	emu_timer   *m_dmadelay_timer;

	/* devices */
	required_device<cpu_device> m_maincpu;
	required_device<cpu_device> m_audiocpu;
	required_device<k054539_device> m_k054539;
	required_device<k056832_device> m_k056832;
	required_device<k053247_device> m_k053246;
	required_device<k053251_device> m_k053251;
	DECLARE_READ16_MEMBER(control2_r);
	DECLARE_WRITE16_MEMBER(control2_w);
	DECLARE_WRITE16_MEMBER(sound_cmd_w);
	DECLARE_WRITE16_MEMBER(sound_irq_w);
	DECLARE_READ16_MEMBER(sound_status_r);
	virtual void machine_start();
	virtual void machine_reset();
	virtual void video_start();
	UINT32 screen_update_gijoe(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	INTERRUPT_GEN_MEMBER(gijoe_interrupt);
	TIMER_CALLBACK_MEMBER(dmaend_callback);
	void gijoe_objdma(  );
};

/*----------- defined in video/gijoe.c -----------*/
extern void gijoe_sprite_callback(running_machine &machine, int *code, int *color, int *priority_mask);
extern void gijoe_tile_callback(running_machine &machine, int layer, int *code, int *color, int *flags);