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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
#ifndef MAME_MACHINE_NAMCO50_H
#define MAME_MACHINE_NAMCO50_H
#pragma once
#include "cpu/mb88xx/mb88xx.h"
/* device get info callback */
class namco_50xx_device : public device_t
{
public:
namco_50xx_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
WRITE8_MEMBER( write );
WRITE_LINE_MEMBER(read_request);
READ8_MEMBER( read );
protected:
// device-level overrides
virtual void device_start() override;
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
TIMER_CALLBACK_MEMBER( latch_callback );
TIMER_CALLBACK_MEMBER( readrequest_callback );
TIMER_CALLBACK_MEMBER( irq_clear );
void irq_set();
private:
// internal state
required_device<mb88_cpu_device> m_cpu;
uint8_t m_latched_cmd;
uint8_t m_latched_rw;
uint8_t m_portO;
emu_timer * m_irq_cleared_timer;
READ8_MEMBER( K_r );
READ8_MEMBER( R0_r );
READ8_MEMBER( R2_r );
WRITE8_MEMBER( O_w );
};
DECLARE_DEVICE_TYPE(NAMCO_50XX, namco_50xx_device)
#endif // MAME_MACHINE_NAMCO50_H
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