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// license:GPL-2.0+
// copyright-holders:Juergen Buchmueller, Dirk Best
/******************************************************************************
* Sharp MZ700
*
* Reference: http://sharpmz.computingmuseum.com
*
******************************************************************************/
#ifndef MAME_INCLUDES_MZ700_H
#define MAME_INCLUDES_MZ700_H
#pragma once
#include "bus/centronics/ctronics.h"
#include "imagedev/cassette.h"
#include "machine/bankdev.h"
#include "machine/74145.h"
#include "machine/i8255.h"
#include "machine/pit8253.h"
#include "machine/ram.h"
#include "machine/timer.h"
#include "machine/z80pio.h"
#include "sound/spkrdev.h"
#include "emupal.h"
#include "screen.h"
class mz_state : public driver_device
{
public:
mz_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_speaker(*this, "speaker")
, m_pit(*this, "pit8253")
, m_ppi(*this, "ppi8255")
, m_cassette(*this, "cassette")
, m_centronics(*this, "centronics")
, m_ram(*this, RAM_TAG)
, m_palette(*this, "palette")
, m_screen(*this, "screen")
, m_banke(*this, "banke")
, m_bankf(*this, "bankf")
, m_ls145(*this, "ls145")
, m_cursor_timer(*this, "cursor")
{ }
void mz800(machine_config &config);
void mz700(machine_config &config);
void init_mz800();
void init_mz700();
protected:
virtual void machine_start() override;
private:
uint8_t mz700_e008_r();
void mz700_e008_w(uint8_t data);
uint8_t mz800_bank_0_r();
void mz700_bank_0_w(uint8_t data);
void mz800_bank_0_w(uint8_t data);
uint8_t mz800_bank_1_r();
void mz700_bank_1_w(uint8_t data);
void mz700_bank_2_w(uint8_t data);
void mz700_bank_3_w(uint8_t data);
void mz700_bank_4_w(uint8_t data);
void mz700_bank_5_w(uint8_t data);
void mz700_bank_6_w(uint8_t data);
uint8_t mz800_crtc_r();
void mz800_write_format_w(uint8_t data);
void mz800_read_format_w(uint8_t data);
void mz800_display_mode_w(uint8_t data);
void mz800_scroll_border_w(uint8_t data);
uint8_t mz800_ramdisk_r();
void mz800_ramdisk_w(uint8_t data);
void mz800_ramaddr_w(uint8_t data);
void mz800_palette_w(uint8_t data);
void mz800_cgram_w(offs_t offset, uint8_t data);
DECLARE_MACHINE_RESET(mz700);
DECLARE_MACHINE_RESET(mz800);
uint32_t screen_update_mz700(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
uint32_t screen_update_mz800(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(ne556_cursor_callback);
TIMER_DEVICE_CALLBACK_MEMBER(ne556_other_callback);
DECLARE_WRITE_LINE_MEMBER(pit_out0_changed);
DECLARE_WRITE_LINE_MEMBER(pit_irq_2);
uint8_t pio_port_b_r();
uint8_t pio_port_c_r();
void pio_port_a_w(uint8_t data);
void pio_port_c_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(mz800_z80pio_irq);
uint8_t mz800_z80pio_port_a_r();
void mz800_z80pio_port_a_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(write_centronics_busy);
DECLARE_WRITE_LINE_MEMBER(write_centronics_perror);
void mz700_banke(address_map &map);
void mz700_io(address_map &map);
void mz700_mem(address_map &map);
void mz800_bankf(address_map &map);
void mz800_io(address_map &map);
void mz800_mem(address_map &map);
int m_mz700 = 0; /* 1 if running on an mz700 */
int m_cursor_bit = 0;
int m_other_timer = 0;
int m_intmsk = 0; /* PPI8255 pin PC2 */
int m_mz700_ram_lock = 0; /* 1 if ram lock is active */
int m_mz700_ram_vram = 0; /* 1 if vram is banked in */
/* mz800 specific */
std::unique_ptr<uint8_t[]> m_cgram;
uint8_t *m_p_chargen = nullptr;
int m_mz700_mode = 0; /* 1 if in mz700 mode */
int m_mz800_ram_lock = 0; /* 1 if lock is active */
int m_mz800_ram_monitor = 0; /* 1 if monitor rom banked in */
int m_hires_mode = 0; /* 1 if in 640x200 mode */
int m_screennum = 0; /* screen designation */
int m_centronics_busy = 0;
int m_centronics_perror = 0;
uint8_t *m_colorram = nullptr;
std::unique_ptr<uint8_t[]> m_videoram;
uint8_t m_speaker_level = 0;
uint8_t m_prev_state = 0;
uint16_t m_mz800_ramaddr = 0;
uint8_t m_mz800_palette[4];
uint8_t m_mz800_palette_bank = 0;
required_device<cpu_device> m_maincpu;
required_device<speaker_sound_device> m_speaker;
required_device<pit8253_device> m_pit;
required_device<i8255_device> m_ppi;
required_device<cassette_image_device> m_cassette;
optional_device<centronics_device> m_centronics;
required_device<ram_device> m_ram;
required_device<palette_device> m_palette;
required_device<screen_device> m_screen;
optional_device<address_map_bank_device> m_banke;
optional_device<address_map_bank_device> m_bankf;
required_device<ttl74145_device> m_ls145;
required_device<timer_device> m_cursor_timer;
};
#endif // MAME_INCLUDES_MZ700_H
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