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// license:BSD-3-Clause
// copyright-holders:Phil Stroffolino
/***************************************************************************

    Namco System NB-1 hardware

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

#include "namcos2.h"
#include "machine/eeprompar.h"
#include "machine/timer.h"
#include "video/namco_c116.h"

#define NAMCONB1_HTOTAL     (288)   /* wrong */
#define NAMCONB1_HBSTART    (288)
#define NAMCONB1_VTOTAL     (262)   /* needs to be checked */
#define NAMCONB1_VBSTART    (224)

#define NAMCONB1_TILEMASKREGION     "tilemask"
#define NAMCONB1_TILEGFXREGION      "tile"
#define NAMCONB1_SPRITEGFXREGION    "sprite"
#define NAMCONB1_ROTMASKREGION      "rotmask"
#define NAMCONB1_ROTGFXREGION       "rot"

#define NAMCONB1_TILEGFX        0
#define NAMCONB1_SPRITEGFX      1
#define NAMCONB1_ROTGFX         2

class namconb1_state : public namcos2_shared_state
{
public:
	namconb1_state(const machine_config &mconfig, device_type type, const char *tag)
		: namcos2_shared_state(mconfig, type, tag),
		m_c116(*this, "c116"),
		m_eeprom(*this, "eeprom"),
		m_p1(*this, "P1"),
		m_p2(*this, "P2"),
		m_p3(*this, "P3"),
		m_p4(*this, "P4"),
		m_misc(*this, "MISC"),
		m_light0_x(*this, "LIGHT0_X"),
		m_light0_y(*this, "LIGHT0_Y"),
		m_light1_x(*this, "LIGHT1_X"),
		m_light1_y(*this, "LIGHT1_Y"),
		m_spritebank32(*this, "spritebank32"),
		m_tilebank32(*this, "tilebank32"),
		m_namconb_shareram(*this, "namconb_share") { }

	required_device<namco_c116_device> m_c116;
	required_device<eeprom_parallel_28xx_device> m_eeprom;
	required_ioport m_p1;
	required_ioport m_p2;
	optional_ioport m_p3;
	optional_ioport m_p4;
	required_ioport m_misc;
	optional_ioport m_light0_x;
	optional_ioport m_light0_y;
	optional_ioport m_light1_x;
	optional_ioport m_light1_y;
	required_shared_ptr<uint32_t> m_spritebank32;
	optional_shared_ptr<uint32_t> m_tilebank32;
	required_shared_ptr<uint16_t> m_namconb_shareram;

	uint8_t m_vbl_irq_level;
	uint8_t m_pos_irq_level;
	uint8_t m_unk_irq_level;
	uint16_t m_count;
	uint8_t m_port6;
	uint32_t m_tilemap_tile_bank[4];

	DECLARE_READ32_MEMBER(randgen_r);
	DECLARE_WRITE32_MEMBER(srand_w);
	DECLARE_WRITE8_MEMBER(namconb1_cpureg_w);
	DECLARE_WRITE8_MEMBER(namconb2_cpureg_w);
	DECLARE_READ8_MEMBER(namconb1_cpureg_r);
	DECLARE_READ8_MEMBER(namconb2_cpureg_r);
	DECLARE_READ32_MEMBER(custom_key_r);
	DECLARE_READ32_MEMBER(gunbulet_gun_r);
	DECLARE_READ32_MEMBER(share_r);
	DECLARE_WRITE32_MEMBER(share_w);
	DECLARE_WRITE16_MEMBER(mcu_shared_w);
	DECLARE_READ8_MEMBER(port6_r);
	DECLARE_WRITE8_MEMBER(port6_w);
	DECLARE_READ8_MEMBER(port7_r);
	DECLARE_READ8_MEMBER(dac7_r);
	DECLARE_READ8_MEMBER(dac6_r);
	DECLARE_READ8_MEMBER(dac5_r);
	DECLARE_READ8_MEMBER(dac4_r);
	DECLARE_READ8_MEMBER(dac3_r);
	DECLARE_READ8_MEMBER(dac2_r);
	DECLARE_READ8_MEMBER(dac1_r);
	DECLARE_READ8_MEMBER(dac0_r);

	virtual void machine_start() override;
	void init_sws95();
	void init_machbrkr();
	void init_sws97();
	void init_sws96();
	void init_vshoot();
	void init_nebulray();
	void init_gunbulet();
	void init_gslgr94j();
	void init_outfxies();
	void init_gslgr94u();
	DECLARE_MACHINE_RESET(namconb);
	DECLARE_VIDEO_START(namconb1);
	DECLARE_VIDEO_START(namconb2);
	void video_update_common(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int bROZ);
	uint32_t screen_update_namconb1(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	uint32_t screen_update_namconb2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);

	TIMER_DEVICE_CALLBACK_MEMBER(scantimer);
	TIMER_DEVICE_CALLBACK_MEMBER(mcu_irq0_cb);
	TIMER_DEVICE_CALLBACK_MEMBER(mcu_irq2_cb);
	TIMER_DEVICE_CALLBACK_MEMBER(mcu_adc_cb);

	int NB1objcode2tile(int code);
	int NB2objcode2tile(int code);
	void NB1TilemapCB(uint16_t code, int *tile, int *mask);
	void NB2TilemapCB(uint16_t code, int *tile, int *mask);
	void namconb1(machine_config &config);
	void namconb2(machine_config &config);
	void namcoc75_am(address_map &map);
	void namcoc75_io(address_map &map);
	void namconb1_am(address_map &map);
	void namconb2_am(address_map &map);
};