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

    Taito Grand Champ hardware

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

#include "sound/discrete.h"

class grchamp_state : public driver_device
{
public:
	grchamp_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag) ,
		m_radarram(*this, "radarram"),
		m_videoram(*this, "videoram"),
		m_spriteram(*this, "spriteram"),
		m_leftram(*this, "leftram"),
		m_rightram(*this, "rightram"),
		m_centerram(*this, "centerram"){ }

	UINT8		m_cpu0_out[16];
	UINT8		m_cpu1_out[16];

	UINT8		m_comm_latch;
	UINT8		m_comm_latch2[4];

	UINT16		m_ledlatch;
	UINT8		m_ledaddr;
	UINT16		m_ledram[8];

	UINT16		m_collide;
	UINT8		m_collmode;

	required_shared_ptr<UINT8> m_radarram;
	required_shared_ptr<UINT8> m_videoram;
	required_shared_ptr<UINT8> m_spriteram;
	required_shared_ptr<UINT8> m_leftram;
	required_shared_ptr<UINT8> m_rightram;
	required_shared_ptr<UINT8> m_centerram;

	bitmap_ind16 m_work_bitmap;
	tilemap_t *	m_text_tilemap;
	tilemap_t *	m_left_tilemap;
	tilemap_t *	m_center_tilemap;
	tilemap_t *	m_right_tilemap;

	rgb_t		m_bgcolor[0x20];
	DECLARE_WRITE8_MEMBER(cpu0_outputs_w);
	DECLARE_WRITE8_MEMBER(led_board_w);
	DECLARE_WRITE8_MEMBER(cpu1_outputs_w);
	DECLARE_READ8_MEMBER(pc3259_0_r);
	DECLARE_READ8_MEMBER(pc3259_1_r);
	DECLARE_READ8_MEMBER(pc3259_2_r);
	DECLARE_READ8_MEMBER(pc3259_3_r);
	DECLARE_READ8_MEMBER(sub_to_main_comm_r);
	DECLARE_WRITE8_MEMBER(main_to_sub_comm_w);
	DECLARE_READ8_MEMBER(main_to_sub_comm_r);
	UINT8 get_pc3259_bits(int offs);
	DECLARE_WRITE8_MEMBER(grchamp_left_w);
	DECLARE_WRITE8_MEMBER(grchamp_center_w);
	DECLARE_WRITE8_MEMBER(grchamp_right_w);
	DECLARE_WRITE8_MEMBER(grchamp_portA_0_w);
	DECLARE_WRITE8_MEMBER(grchamp_portB_0_w);
	DECLARE_WRITE8_MEMBER(grchamp_portA_2_w);
	DECLARE_WRITE8_MEMBER(grchamp_portB_2_w);
	TILE_GET_INFO_MEMBER(get_text_tile_info);
	TILE_GET_INFO_MEMBER(get_left_tile_info);
	TILE_GET_INFO_MEMBER(get_right_tile_info);
	TILE_GET_INFO_MEMBER(get_center_tile_info);
	TILEMAP_MAPPER_MEMBER(get_memory_offset);
};

/* Discrete Sound Input Nodes */
#define GRCHAMP_ENGINE_CS_EN				NODE_01
#define GRCHAMP_SIFT_DATA					NODE_02
#define GRCHAMP_ATTACK_UP_DATA				NODE_03
#define GRCHAMP_IDLING_EN					NODE_04
#define GRCHAMP_FOG_EN						NODE_05
#define GRCHAMP_PLAYER_SPEED_DATA			NODE_06
#define GRCHAMP_ATTACK_SPEED_DATA			NODE_07
#define GRCHAMP_A_DATA						NODE_08
#define GRCHAMP_B_DATA						NODE_09

/*----------- defined in audio/grchamp.c -----------*/

DISCRETE_SOUND_EXTERN( grchamp );

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

PALETTE_INIT( grchamp );
VIDEO_START( grchamp );
SCREEN_UPDATE_RGB32( grchamp );