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// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic
/*****************************************************************************
*
* includes/mz80.h
*
****************************************************************************/
#ifndef MAME_INCLUDES_MZ80_H
#define MAME_INCLUDES_MZ80_H
#pragma once
#include "cpu/z80/z80.h"
#include "machine/i8255.h"
#include "machine/pit8253.h"
#include "machine/timer.h"
#include "imagedev/cassette.h"
#include "sound/spkrdev.h"
class mz80_state : public driver_device
{
public:
mz80_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_pit(*this, "pit8253")
, m_ppi(*this, "ppi8255")
, m_cassette(*this, "cassette")
, m_speaker(*this, "speaker")
, m_p_ram(*this, "p_ram")
, m_p_videoram(*this, "videoram")
, m_p_chargen(*this, "chargen")
{ }
void mz80kj(machine_config &config);
void mz80k(machine_config &config);
void mz80a(machine_config &config);
void init_mz80k();
private:
uint8_t mz80k_strobe_r();
void mz80k_strobe_w(uint8_t data);
uint8_t mz80k_8255_portb_r();
uint8_t mz80k_8255_portc_r();
void mz80k_8255_porta_w(uint8_t data);
void mz80k_8255_portc_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(pit_out0_changed);
DECLARE_WRITE_LINE_MEMBER(pit_out2_changed);
uint32_t screen_update_mz80k(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
uint32_t screen_update_mz80kj(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
uint32_t screen_update_mz80a(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(ne555_tempo_callback);
void mz80k_io(address_map &map);
void mz80k_mem(address_map &map);
bool m_mz80k_vertical = false;
bool m_mz80k_tempo_strobe = false;
uint8_t m_speaker_level = 0;
bool m_prev_state = false;
uint8_t m_mz80k_cursor_cnt = 0;
uint8_t m_mz80k_keyboard_line = 0;
virtual void machine_reset() override;
required_device<cpu_device> m_maincpu;
required_device<pit8253_device> m_pit;
required_device<i8255_device> m_ppi;
required_device<cassette_image_device> m_cassette;
required_device<speaker_sound_device> m_speaker;
required_shared_ptr<uint8_t> m_p_ram;
required_shared_ptr<uint8_t> m_p_videoram;
required_region_ptr<u8> m_p_chargen;
};
/*----------- defined in video/mz80.c -----------*/
extern const gfx_layout mz80k_charlayout;
extern const gfx_layout mz80kj_charlayout;
#endif // MAME_INCLUDES_MZ80_H
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