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// license:BSD-3-Clause
// copyright-holders:R. Belmont
/*********************************************************************
a2pic.h
Apple II Parallel Interface Card
*********************************************************************/
#ifndef MAME_BUS_A2BUS_A2PIC_H
#define MAME_BUS_A2BUS_A2PIC_H
#pragma once
#include "a2bus.h"
#include "bus/centronics/ctronics.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class a2bus_pic_device:
public device_t,
public device_a2bus_card_interface
{
public:
// construction/destruction
a2bus_pic_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
a2bus_pic_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
virtual ioport_constructor device_input_ports() const override;
virtual uint8_t read_c0nx(uint8_t offset) override;
virtual void write_c0nx(uint8_t offset, uint8_t data) override;
virtual uint8_t read_cnxx(uint8_t offset) override;
void start_strobe();
void clear_strobe();
required_ioport m_dsw1;
required_device<centronics_device> m_ctx;
required_device<input_buffer_device> m_ctx_data_in;
required_device<output_latch_device> m_ctx_data_out;
private:
DECLARE_WRITE_LINE_MEMBER( ack_w );
uint8_t *m_rom;
bool m_started;
uint8_t m_ack;
bool m_irqenable;
bool m_autostrobe;
emu_timer *m_timer;
};
// device type definition
DECLARE_DEVICE_TYPE(A2BUS_PIC, a2bus_pic_device)
#endif // MAME_BUS_A2BUS_A2PIC_H
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