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#pragma once
#ifndef __BW2__
#define __BW2__
#include "emu.h"
#include "cpu/z80/z80.h"
#include "formats/bw2_dsk.h"
#include "machine/bw2exp.h"
#include "machine/ctronics.h"
#include "machine/i8251.h"
#include "machine/i8255.h"
#include "machine/pit8253.h"
#include "machine/ram.h"
#include "machine/serial.h"
#include "machine/wd_fdc.h"
#include "video/msm6255.h"
#include "rendlay.h"
#define Z80_TAG "ic1"
#define I8255A_TAG "ic4"
#define WD2797_TAG "ic5"
#define I8253_TAG "ic6"
#define I8251_TAG "ic7"
#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, I8251_TAG),
m_fdc(*this, WD2797_TAG),
m_lcdc(*this, MSM6255_TAG),
m_centronics(*this, CENTRONICS_TAG),
m_exp(*this, BW2_EXPANSION_SLOT_TAG),
m_ram(*this, RAM_TAG),
m_floppy0(*this, WD2797_TAG":0"),
m_floppy1(*this, WD2797_TAG":1"),
m_floppy(NULL),
m_rom(*this, Z80_TAG),
m_y0(*this, "Y0"),
m_y1(*this, "Y1"),
m_y2(*this, "Y2"),
m_y3(*this, "Y3"),
m_y4(*this, "Y4"),
m_y5(*this, "Y5"),
m_y6(*this, "Y6"),
m_y7(*this, "Y7"),
m_y8(*this, "Y8"),
m_y9(*this, "Y9"),
m_video_ram(*this, "videoram")
{ }
required_device<cpu_device> m_maincpu;
required_device<i8251_device> m_uart;
required_device<wd2797_t> m_fdc;
required_device<msm6255_device> m_lcdc;
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 m_y0;
required_ioport m_y1;
required_ioport m_y2;
required_ioport m_y3;
required_ioport m_y4;
required_ioport m_y5;
required_ioport m_y6;
required_ioport m_y7;
required_ioport m_y8;
required_ioport m_y9;
virtual void machine_start();
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER( write );
DECLARE_WRITE8_MEMBER( ppi_pa_w );
DECLARE_READ8_MEMBER( ppi_pb_r );
DECLARE_WRITE8_MEMBER( ppi_pc_w );
DECLARE_READ8_MEMBER( ppi_pc_r );
DECLARE_WRITE_LINE_MEMBER( pit_out0_w );
DECLARE_WRITE_LINE_MEMBER( mtron_w );
void fdc_intrq_w(bool state);
void fdc_drq_w(bool state);
DECLARE_FLOPPY_FORMATS( floppy_formats );
// keyboard state
UINT8 m_kb;
// memory state
UINT8 m_bank;
// floppy state
int m_mtron;
int m_mfdbk;
// video state
optional_shared_ptr<UINT8> m_video_ram;
virtual void palette_init();
};
#endif
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