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// license:BSD-3-Clause
// copyright-holders:Curt Coder
#include "cpu/m68000/m68000.h"
#include "bus/centronics/ctronics.h"
#include "machine/i8251.h"
#include "machine/i8255.h"
#include "bus/ieee488/ieee488.h"
#include "imagedev/floppy.h"
#include "machine/pit8253.h"
#include "machine/pic8259.h"
#include "machine/ram.h"
#include "machine/upd765.h"
#define M68000_TAG "u68"
#define I8255A_0_TAG "u22"
#define I8255A_1_TAG "u39"
#define I8253_0_TAG "u74"
#define I8253_1_TAG "u75"
#define I8259_TAG "u73"
#define I8251_0_TAG "u58"
#define I8251_1_TAG "u67"
#define UPD765_TAG "u21"
#define TMS9914_TAG "u6"
#define CENTRONICS_TAG "centronics"
#define RS232_A_TAG "rs232a"
#define RS232_B_TAG "rs232b"
class sage2_state : public driver_device
{
public:
sage2_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, M68000_TAG)
, m_pic(*this, I8259_TAG)
, m_usart0(*this, I8251_0_TAG)
, m_usart1(*this, I8251_1_TAG)
, m_fdc(*this, UPD765_TAG)
, m_ram(*this, RAM_TAG)
, m_rom(*this, M68000_TAG)
, m_floppy0(*this, UPD765_TAG ":0")
, m_floppy1(*this, UPD765_TAG ":1")
, m_floppy(nullptr)
, m_centronics(*this, CENTRONICS_TAG)
, m_ieee488(*this, IEEE488_TAG)
, m_fdc_int(0)
, m_fdie(0)
, m_led(*this, "led0")
{ }
void sage2(machine_config &config);
void init_sage2();
private:
void update_fdc_int();
uint16_t rom_r(offs_t offset);
DECLARE_WRITE_LINE_MEMBER( br1_w );
DECLARE_WRITE_LINE_MEMBER( br2_w );
void ppi0_pc_w(uint8_t data);
uint8_t ppi1_pb_r();
void ppi1_pc_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER( fdc_irq );
DECLARE_WRITE_LINE_MEMBER(write_centronics_ack);
DECLARE_WRITE_LINE_MEMBER(write_centronics_busy);
DECLARE_WRITE_LINE_MEMBER(write_centronics_perror);
DECLARE_WRITE_LINE_MEMBER(write_centronics_select);
DECLARE_WRITE_LINE_MEMBER(write_centronics_fault);
void sage2_mem(address_map &map);
virtual void machine_start() override;
virtual void machine_reset() override;
required_device<cpu_device> m_maincpu;
required_device<pic8259_device> m_pic;
required_device<i8251_device> m_usart0;
required_device<i8251_device> m_usart1;
required_device<upd765a_device> m_fdc;
required_device<ram_device> m_ram;
required_memory_region m_rom;
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
floppy_image_device *m_floppy;
required_device<centronics_device> m_centronics;
required_device<ieee488_device> m_ieee488;
// floppy state
int m_fdc_int = 0;
int m_fdie = 0;
int m_centronics_busy = 0;
int m_centronics_perror = 0;
int m_centronics_select = 0;
int m_centronics_fault = 0;
output_finder<> m_led;
};
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