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// license:BSD-3-Clause
// copyright-holders:Sergey Svishchev
/*****************************************************************************
 *
 * includes/mc1502.h
 *
 ****************************************************************************/

#ifndef MAME_INCLUDES_MC1502_H
#define MAME_INCLUDES_MC1502_H

#pragma once

#include "imagedev/cassette.h"
#include "machine/i8251.h"
#include "machine/i8255.h"
#include "machine/pic8259.h"
#include "machine/pit8253.h"
#include "machine/ram.h"
#include "sound/spkrdev.h"

#include "bus/centronics/ctronics.h"
#include "bus/isa/isa.h"
#include "bus/isa/xsu_cards.h"


class mc1502_state : public driver_device
{
public:
	mc1502_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag)
		, m_maincpu(*this, "maincpu")
		, m_upd8251(*this, "upd8251")
		, m_pic8259(*this, "pic8259")
		, m_pit8253(*this, "pit8253")
		, m_ppi8255n1(*this, "ppi8255n1")
		, m_ppi8255n2(*this, "ppi8255n2")
		, m_isabus(*this, "isa")
		, m_speaker(*this, "speaker")
		, m_cassette(*this, "cassette")
		, m_centronics(*this, "centronics")
		, m_ram(*this, RAM_TAG)
		, m_kbdio(*this, "Y%u", 1)
	{ }

	required_device<cpu_device>  m_maincpu;
	required_device<i8251_device> m_upd8251;
	required_device<pic8259_device>  m_pic8259;
	required_device<pit8253_device>  m_pit8253;
	required_device<i8255_device>  m_ppi8255n1;
	required_device<i8255_device>  m_ppi8255n2;
	required_device<isa8_device>  m_isabus;
	required_device<speaker_sound_device>  m_speaker;
	required_device<cassette_image_device>  m_cassette;
	required_device<centronics_device> m_centronics;
	required_device<ram_device> m_ram;
	required_ioport_array<12> m_kbdio;

	void init_mc1502();
	DECLARE_MACHINE_START(mc1502);
	DECLARE_MACHINE_RESET(mc1502);

	TIMER_CALLBACK_MEMBER(keyb_signal_callback);

	struct {
		uint8_t       pulsing;
		uint16_t      mask;       /* input lines */
		emu_timer   *keyb_signal_timer;
	} m_kbd;

	uint8_t m_ppi_portb;
	uint8_t m_ppi_portc;
	uint8_t m_spkrdata;

	DECLARE_WRITE_LINE_MEMBER(mc1502_pit8253_out1_changed);
	DECLARE_WRITE_LINE_MEMBER(mc1502_pit8253_out2_changed);
	DECLARE_WRITE_LINE_MEMBER(mc1502_speaker_set_spkrdata);
	DECLARE_WRITE_LINE_MEMBER(mc1502_i8251_syndet);

	DECLARE_WRITE8_MEMBER(mc1502_ppi_portb_w);
	DECLARE_WRITE8_MEMBER(mc1502_ppi_portc_w);
	DECLARE_READ8_MEMBER(mc1502_ppi_portc_r);
	DECLARE_READ8_MEMBER(mc1502_kppi_porta_r);
	DECLARE_WRITE8_MEMBER(mc1502_kppi_portb_w);
	DECLARE_WRITE8_MEMBER(mc1502_kppi_portc_w);

	void mc1502(machine_config &config);
	void mc1502_io(address_map &map);
	void mc1502_map(address_map &map);
private:
	int m_pit_out2;
};

#endif // MAME_INCLUDES_MC1502_H