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

    Driver for Midway Wolf-unit games.

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

#include "machine/midwayic.h"

class midwunit_state : public midtunit_state
{
public:
	midwunit_state(const machine_config &mconfig, device_type type, const char *tag)
		: midtunit_state(mconfig, type, tag),
			m_midway_serial_pic(*this, "serial_security_sim"),
			m_midway_serial_pic_emu(*this, "serial_security"),
			m_nvram(*this, "nvram"),
			m_mainram(*this, "mainram"),
			m_ports(*this, { { "IN0", "IN1", "DSW", "IN2" } })
			{ }

	optional_device<midway_serial_pic_device> m_midway_serial_pic;
	optional_device<midway_serial_pic_emu_device> m_midway_serial_pic_emu;
	required_shared_ptr<uint16_t> m_nvram;
	required_shared_ptr<uint16_t> m_mainram;
	required_ioport_array<4> m_ports;

	uint8_t m_cmos_write_enable;
	uint16_t m_iodata[8];
	uint8_t m_ioshuffle[16];
	uint8_t m_uart[8];
	uint8_t m_security_bits;
	uint16_t *m_umk3_palette;

	DECLARE_WRITE16_MEMBER(midwunit_cmos_enable_w);
	DECLARE_WRITE16_MEMBER(midwunit_cmos_w);
	DECLARE_READ16_MEMBER(midwunit_cmos_r);
	DECLARE_WRITE16_MEMBER(midwunit_io_w);
	DECLARE_READ16_MEMBER(midwunit_io_r);
	DECLARE_READ16_MEMBER(midwunit_security_r);
	DECLARE_WRITE16_MEMBER(midwunit_security_w);
	DECLARE_READ16_MEMBER(midwunit_sound_r);
	DECLARE_READ16_MEMBER(midwunit_sound_state_r);
	DECLARE_WRITE16_MEMBER(midwunit_sound_w);
	DECLARE_WRITE16_MEMBER(umk3_palette_hack_w);
	DECLARE_WRITE16_MEMBER(wwfmania_io_0_w);

	void init_mk3r10();
	void init_nbahangt();
	void init_wwfmania();
	void init_umk3();
	void init_mk3();
	void init_openice();
	void init_rmpgwt();
	void init_umk3r11();
	void init_mk3r20();

	DECLARE_MACHINE_RESET(midwunit);
	DECLARE_VIDEO_START(midwunit);

	void register_state_saving();
	void init_wunit_generic();
	void init_mk3_common();
	void wunit(machine_config &config);
	void wunit_picemu(machine_config &config);
	void wunit_picsim(machine_config &config);
	void main_map(address_map &map);
};