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// license:BSD-3-Clause
// copyright-holders:Dirk Best
/**********************************************************************
Epson EX-800 dot matrix printer emulation
**********************************************************************/
#ifndef MAME_BUS_CENTRONICS_EPSON_EX800_H
#define MAME_BUS_CENTRONICS_EPSON_EX800_H
#pragma once
#include "ctronics.h"
#include "cpu/upd7810/upd7810.h"
#include "sound/beep.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> epson_ex800_device
class epson_ex800_device : public device_t, public device_centronics_peripheral_interface
{
public:
// construction/destruction
epson_ex800_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
DECLARE_INPUT_CHANGED_MEMBER(online_switch);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const override;
private:
uint8_t porta_r();
uint8_t portb_r();
uint8_t portc_r();
void porta_w(uint8_t data);
void portb_w(uint8_t data);
void portc_w(uint8_t data);
DECLARE_READ8_MEMBER(devsel_r);
DECLARE_WRITE8_MEMBER(devsel_w);
DECLARE_READ8_MEMBER(gate5a_r);
DECLARE_WRITE8_MEMBER(gate5a_w);
DECLARE_READ8_MEMBER(iosel_r);
DECLARE_WRITE8_MEMBER(iosel_w);
DECLARE_READ8_MEMBER(gate7a_r);
DECLARE_WRITE8_MEMBER(gate7a_w);
void ex800_mem(address_map &map);
required_device<cpu_device> m_maincpu;
required_device<beep_device> m_beeper;
int m_irq_state;
};
// device type definition
DECLARE_DEVICE_TYPE(EPSON_EX800, epson_ex800_device)
#endif // MAME_BUS_CENTRONICS_EPSON_EX800_H
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