100 lines
2.7 KiB
C++
100 lines
2.7 KiB
C++
// license:BSD-3-Clause
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// copyright-holders:Curt Coder
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#include "emu.h"
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#include "cpu/m68000/m68000.h"
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#include "bus/centronics/ctronics.h"
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#include "machine/i8251.h"
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#include "machine/i8255.h"
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#include "bus/ieee488/ieee488.h"
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#include "machine/pit8253.h"
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#include "machine/pic8259.h"
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#include "machine/ram.h"
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#include "machine/upd765.h"
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#define M68000_TAG "u68"
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#define I8255A_0_TAG "u22"
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#define I8255A_1_TAG "u39"
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#define I8253_0_TAG "u74"
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#define I8253_1_TAG "u75"
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#define I8259_TAG "u73"
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#define I8251_0_TAG "u58"
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#define I8251_1_TAG "u67"
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#define UPD765_TAG "u21"
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#define TMS9914_TAG "u6"
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#define CENTRONICS_TAG "centronics"
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#define RS232_A_TAG "rs232a"
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#define RS232_B_TAG "rs232b"
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class sage2_state : public driver_device
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{
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public:
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sage2_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag),
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m_maincpu(*this, M68000_TAG),
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m_pic(*this, I8259_TAG),
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m_usart0(*this, I8251_0_TAG),
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m_usart1(*this, I8251_1_TAG),
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m_fdc(*this, UPD765_TAG),
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m_ram(*this, RAM_TAG),
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m_floppy0(*this, UPD765_TAG ":0"),
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m_floppy1(*this, UPD765_TAG ":1"),
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m_floppy(NULL),
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m_centronics(*this, CENTRONICS_TAG),
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m_ieee488(*this, IEEE488_TAG),
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m_reset(1),
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m_fdc_int(0),
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m_fdie(0)
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{ }
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required_device<cpu_device> m_maincpu;
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required_device<pic8259_device> m_pic;
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required_device<i8251_device> m_usart0;
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required_device<i8251_device> m_usart1;
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required_device<upd765a_device> m_fdc;
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required_device<ram_device> m_ram;
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required_device<floppy_connector> m_floppy0;
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required_device<floppy_connector> m_floppy1;
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floppy_image_device *m_floppy;
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required_device<centronics_device> m_centronics;
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required_device<ieee488_device> m_ieee488;
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virtual void machine_start();
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virtual void machine_reset();
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void update_fdc_int();
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DECLARE_READ8_MEMBER( read );
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DECLARE_WRITE8_MEMBER( write );
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DECLARE_WRITE_LINE_MEMBER( br1_w );
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DECLARE_WRITE_LINE_MEMBER( br2_w );
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DECLARE_WRITE8_MEMBER( ppi0_pc_w );
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DECLARE_READ8_MEMBER( ppi1_pb_r );
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DECLARE_WRITE8_MEMBER( ppi1_pc_w );
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DECLARE_WRITE8_MEMBER(kbd_put);
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DECLARE_DIRECT_UPDATE_MEMBER(sage2_direct_update_handler);
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DECLARE_WRITE_LINE_MEMBER( fdc_irq );
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const UINT8 *m_rom;
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int m_reset;
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// floppy state
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int m_fdc_int;
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int m_fdie;
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DECLARE_DRIVER_INIT(sage2);
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int m_centronics_busy;
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int m_centronics_perror;
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int m_centronics_select;
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int m_centronics_fault;
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DECLARE_WRITE_LINE_MEMBER(write_centronics_ack);
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DECLARE_WRITE_LINE_MEMBER(write_centronics_busy);
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DECLARE_WRITE_LINE_MEMBER(write_centronics_perror);
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DECLARE_WRITE_LINE_MEMBER(write_centronics_select);
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DECLARE_WRITE_LINE_MEMBER(write_centronics_fault);
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};
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