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// license:BSD-3-Clause
// copyright-holders:Curt Coder
#ifndef MAME_INCLUDES_PC8401A_H
#define MAME_INCLUDES_PC8401A_H
#pragma once
#include "cpu/z80/z80.h"
#include "machine/i8255.h"
#include "machine/i8251.h"
#include "machine/ram.h"
#include "machine/timer.h"
#include "machine/upd1990a.h"
#include "video/mc6845.h"
#include "video/sed1330.h"
#include "bus/generic/slot.h"
#include "bus/generic/carts.h"
#include "emupal.h"
#include "screen.h"
#define SCREEN_TAG "screen"
#define CRT_SCREEN_TAG "screen2"
#define Z80_TAG "z80"
#define I8255A_TAG "i8255a"
#define UPD1990A_TAG "upd1990a"
#define AY8910_TAG "ay8910"
#define SED1330_TAG "sed1330"
#define MC6845_TAG "mc6845"
#define I8251_TAG "i8251"
#define RS232_TAG "rs232"
#define PC8401A_CRT_VIDEORAM_SIZE 0x2000
class pc8401a_state : public driver_device
{
public:
pc8401a_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, Z80_TAG)
, m_rtc(*this, UPD1990A_TAG)
, m_lcdc(*this, SED1330_TAG)
, m_crtc(*this, MC6845_TAG)
, m_screen_lcd(*this, SCREEN_TAG)
, m_cart(*this, "cartslot")
, m_io_cart(*this, "io_cart")
, m_ram(*this, RAM_TAG)
, m_rom(*this, Z80_TAG)
, m_crt_ram(*this, "crt_ram", PC8401A_CRT_VIDEORAM_SIZE, ENDIANNESS_LITTLE)
, m_io_y(*this, "Y.%u", 0)
{ }
required_device<cpu_device> m_maincpu;
required_device<upd1990a_device> m_rtc;
required_device<sed1330_device> m_lcdc;
optional_device<mc6845_device> m_crtc;
required_device<screen_device> m_screen_lcd;
required_device<generic_slot_device> m_cart;
required_device<generic_slot_device> m_io_cart;
required_device<ram_device> m_ram;
required_memory_region m_rom;
memory_share_creator<uint8_t> m_crt_ram;
required_ioport_array<10> m_io_y;
memory_region *m_cart_rom = nullptr;
virtual void machine_start() override;
virtual void video_start() override;
void mmr_w(uint8_t data);
uint8_t mmr_r();
uint8_t rtc_r();
void rtc_cmd_w(uint8_t data);
void rtc_ctrl_w(uint8_t data);
uint8_t io_rom_data_r();
void io_rom_addr_w(offs_t offset, uint8_t data);
uint8_t port70_r();
uint8_t port71_r();
void port70_w(uint8_t data);
void port71_w(uint8_t data);
uint8_t ppi_pc_r();
void ppi_pc_w(uint8_t data);
void pc8401a_palette(palette_device &palette) const;
void scan_keyboard();
void bankswitch(uint8_t data);
// keyboard state
int m_key_strobe = 0; // key pressed
// memory state
uint8_t m_mmr = 0; // memory mapping register
uint32_t m_io_addr = 0; // I/O ROM address counter
uint8_t m_key_latch = 0;
TIMER_DEVICE_CALLBACK_MEMBER(pc8401a_keyboard_tick);
void pc8401a(machine_config &config);
void pc8401a_video(machine_config &config);
void pc8401a_io(address_map &map);
void pc8401a_lcdc(address_map &map);
void pc8401a_mem(address_map &map);
void pc8500_io(address_map &map);
void pc8500_lcdc(address_map &map);
};
class pc8500_state : public pc8401a_state
{
public:
pc8500_state(const machine_config &mconfig, device_type type, const char *tag)
: pc8401a_state(mconfig, type, tag)
{ }
void pc8500(machine_config &config);
protected:
virtual void video_start() override;
void pc8500_video(machine_config &config);
private:
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};
#endif // MAME_INCLUDES_PC8401A_H
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