// license:BSD-3-Clause // copyright-holders:R. Belmont /********************************************************************** mm58167.h - National Semiconductor MM58167 real-time clock emulation **********************************************************************/ #pragma once #ifndef __MM58167_H__ #define __MM58167_H__ #include "dirtc.h" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_MM58167_IRQ_CALLBACK(_cb) \ devcb = &mm58167_device::set_irq_cb(*device, DEVCB_##_cb); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> mm58167_device class mm58167_device : public device_t, public device_rtc_interface { public: // construction/destruction mm58167_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); DECLARE_READ8_MEMBER(read); DECLARE_WRITE8_MEMBER(write); template static devcb_base &set_irq_cb(device_t &device, _Object wr) { return downcast(device).m_irq_w.set_callback(wr); } devcb_write_line m_irq_w; protected: // device-level overrides 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; // device_rtc_interface overrides virtual void rtc_clock_updated(int year, int month, int day, int day_of_week, int hour, int minute, int second) override; virtual bool rtc_feature_leap_year() const override { return true; } void set_irq(int bit); void update_rtc(); private: int m_regs[32]; int m_milliseconds; bool m_comparator_state; // timers emu_timer *m_clock_timer; }; // device type definition extern const device_type MM58167; #endif