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// license:GPL-2.0+
// copyright-holders:Russell Bull
/*********************************************************************
rtc.h
Hitachi RTC card for the MB-6890
*********************************************************************/
#ifndef MAME_BUS_BML3_RTC_H
#define MAME_BUS_BML3_RTC_H
#pragma once
#include "bml3bus.h"
#include "machine/msm5832.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class bml3bus_rtc_device:
public device_t,
public device_bml3bus_card_interface
{
public:
// construction/destruction
bml3bus_rtc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
uint8_t read(offs_t offset);
void write(offs_t offset, uint8_t data);
protected:
// device-level overrides
virtual void device_start() override ATTR_COLD;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
virtual void map_io(address_space_installer &space) override;
private:
required_device<msm5832_device> m_rtc;
uint8_t m_addr_latch;
uint8_t m_data_latch;
};
// device type definition
DECLARE_DEVICE_TYPE(BML3BUS_RTC, bml3bus_rtc_device)
#endif // MAME_BUS_BML3_RTC_H
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