// license:BSD-3-Clause // copyright-holders: Angelo Salese /*************************************************************************** uPD4992 RTC ***************************************************************************/ #pragma once #ifndef __UPD4992DEV_H__ #define __UPD4992DEV_H__ #include "dirtc.h" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_UPD4992_ADD(_tag) \ MCFG_DEVICE_ADD(_tag, UPD4992, XTAL_32_768kHz) //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> upd4992_device class upd4992_device : public device_t, public device_rtc_interface { public: // construction/destruction upd4992_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // I/O operations DECLARE_WRITE8_MEMBER( write ); DECLARE_READ8_MEMBER( read ); protected: // device-level overrides virtual void device_validity_check(validity_checker &valid) const override; virtual void device_start() override; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; virtual void rtc_clock_updated(int year, int month, int day, int day_of_week, int hour, int minute, int second) override; private: enum { TIMER_CLOCK //TIMER_TP, //TIMER_DATA_OUT, //TIMER_TEST_MODE }; emu_timer *m_timer_clock; uint8_t m_rtc_regs[8]; }; // device type definition extern const device_type UPD4992; //************************************************************************** // GLOBAL VARIABLES //************************************************************************** #endif