#pragma once 
#include "io/io.h"
#define CURRENT_YEAR        2021
 
                           
extern int century_register;     
extern unsigned char second;
extern unsigned char minute;
extern unsigned char hour;
extern unsigned char day;
extern unsigned char month;
extern unsigned int year;

 
enum {
      cmos_address = 0x70,
      cmos_data    = 0x71
};
 
int get_update_in_progress_flag();
unsigned char get_RTC_register();
void read_rtc();
void delay(int t);