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// license:BSD-3-Clause
// copyright-holders:Curt Coder
#ifndef MAME_INCLUDES_BW2_H
#define MAME_INCLUDES_BW2_H
#pragma once
#include "bus/bw2/exp.h"
#include "cpu/z80/z80.h"
#include "formats/bw2_dsk.h"
#include "imagedev/floppy.h"
#include "bus/centronics/ctronics.h"
#include "machine/i8251.h"
#include "machine/i8255.h"
#include "machine/pit8253.h"
#include "machine/ram.h"
#include "machine/wd_fdc.h"
#include "video/msm6255.h"
#include "emupal.h"
#define Z80_TAG "ic1"
#define I8255A_TAG "ic4"
#define WD2797_TAG "ic5"
#define MSM6255_TAG "ic49"
#define CENTRONICS_TAG "centronics"
#define RS232_TAG "rs232"
#define SCREEN_TAG "screen"
class bw2_state : public driver_device
{
public:
bw2_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, Z80_TAG),
m_uart(*this, "ic7"),
m_fdc(*this, WD2797_TAG),
m_lcdc(*this, MSM6255_TAG),
m_pit(*this, "ic6"),
m_centronics(*this, CENTRONICS_TAG),
m_exp(*this, "exp"),
m_ram(*this, RAM_TAG),
m_floppy0(*this, WD2797_TAG":0"),
m_floppy1(*this, WD2797_TAG":1"),
m_floppy(nullptr),
m_rom(*this, Z80_TAG),
m_y(*this, "Y%u", 0),
m_video_ram(*this, "videoram")
{ }
required_device<cpu_device> m_maincpu;
required_device<i8251_device> m_uart;
required_device<wd2797_device> m_fdc;
required_device<msm6255_device> m_lcdc;
required_device<pit8253_device> m_pit;
required_device<centronics_device> m_centronics;
required_device<bw2_expansion_slot_device> m_exp;
required_device<ram_device> m_ram;
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
floppy_image_device *m_floppy;
required_memory_region m_rom;
required_ioport_array<10> m_y;
virtual void machine_start() override;
uint8_t read(offs_t offset);
void write(offs_t offset, uint8_t data);
void ppi_pa_w(uint8_t data);
uint8_t ppi_pb_r();
void ppi_pc_w(uint8_t data);
uint8_t ppi_pc_r();
DECLARE_WRITE_LINE_MEMBER( mtron_w );
DECLARE_WRITE_LINE_MEMBER( fdc_drq_w );
static void floppy_formats(format_registration &fr);
// keyboard state
uint8_t m_kb = 0;
// memory state
uint8_t m_bank = 0;
// floppy state
int m_mtron = 0;
int m_mfdbk = 0;
// video state
optional_shared_ptr<uint8_t> m_video_ram;
void bw2_palette(palette_device &palette) const;
DECLARE_WRITE_LINE_MEMBER(write_centronics_busy);
int m_centronics_busy;
void bw2(machine_config &config);
void bw2_io(address_map &map);
void bw2_mem(address_map &map);
void lcdc_map(address_map &map);
};
#endif // MAME_INCLUDES_BW2_H
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