mame/src/devices/bus/x68k/x68k_scsiext.h
2025-04-02 13:27:05 +07:00

53 lines
1.2 KiB
C++

// license:BSD-3-Clause
// copyright-holders:Barry Rodewald
/*
* x68k_scsiext.h
*
* Created on: 5/06/2012
*/
#ifndef MAME_BUS_X68K_X68K_SCSIEXT_H
#define MAME_BUS_X68K_X68K_SCSIEXT_H
#pragma once
#include "x68kexp.h"
#include "machine/mb87030.h"
class x68k_scsiext_device : public device_t,
public device_x68k_expansion_card_interface
{
public:
// construction/destruction
x68k_scsiext_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device_t implementation
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
// device_x68k_expansion_card_interface implementation
virtual uint8_t iack2() override;
private:
void irq_w(int state);
void drq_w(int state);
u8 data_r();
void data_w(u8 data);
x68k_expansion_slot_device *m_slot;
required_device<mb89352_device> m_spc;
required_region_ptr<u8> m_rom;
bool m_drq;
};
// device type definition
DECLARE_DEVICE_TYPE(X68K_SCSIEXT, x68k_scsiext_device)
#endif // MAME_BUS_X68K_X68K_SCSIEXT_H