unsigned short mask(unsigned short num);
  unsigned int  a1=0,m1=0,e1=0,w1=0;
        void interrupt(){
  portb=1;
  portd=mask(a1);
  delay_ms(5);
  portb=2;
  portd=mask(m1);
  delay_ms(5);
  portb=4;
  portd=mask(e1);
  delay_ms(5);
  portb=8;
  portd=mask(w1);
  delay_ms(5);
  
  INTCON=0b00100000;
  TMR0=0;
}
    void main() {
     int m=9;
     int a=9;
     int e=9;
     int w=9;
     

     
     int x=0;

 OPTION_REG=0b10000101;
 INTCON=0b10100000;
    TMR0=217;
 trisb=0; portb=0;
 trisd=0; portd=0;
 trisc=1; portc=0;
 trisa=0; porta=0;
 trise=0; porte=0;

  
  /*eeprom_write(0,0);
  eeprom_write(1,0);
  eeprom_write(2,0);
  eeprom_write(3,0);
  eeprom_write(4,0);
  eeprom_write(5,0);
  eeprom_write(6,0);
  eeprom_write(7,0);*/

   a1 = eeprom_read(0);delay_ms(10);
   m1 = eeprom_read(1);delay_ms(10);
   e1 = eeprom_read(2);delay_ms(10);
   w1 = eeprom_read(3);delay_ms(10);
   
      delay_ms(500);
          loop:
        for(;;){
   if(x==0){goto loop1;};
   if(a1==2&&m1==5&&e1==1&&w1==7&&portc.f4==1)
    {x=0;portc.f1=1; a1=0;m1=0;e1=0;w1=0;};
   
   if(portc.f6){a1=0;m1=0;e1=0;w1=0;};
   if(portc.f0==1){a1++;   delay_ms(300);};
   if(portc.f1==1){m1++;   delay_ms(300);};
   if(portc.f2==1){e1++;   delay_ms(300);};
   if(portc.f3==1){w1++;   delay_ms(300);};
  
   if(a1==10){a1=0;};
   if(m1==10){m1=0;};
   if(e1==10){e1=0;};
   if(w1==10){w1=0;};
  }
            loop1:
           porta.f1=1;
            for(;;){

        /*delay_ms(1);*/
             a1++;
  eeprom_write(0,a1); delay_ms(10);
  
if(a1==10){m1++;a1=0; eeprom_write(1,m1); delay_ms(10);};

if(m1==10){e1++;m1=0; eeprom_write(2,e1); delay_ms(10);};

if(e1==10){w1++;e1=0;eeprom_write(3,w1); delay_ms(10);};

if(a==a1&&m==m1&&e==e1&&w==w1){x=1;porta.f1=0; porta.f0=1; 

  eeprom_write(0,0); delay_ms(10);
  eeprom_write(1,0); delay_ms(10);
  eeprom_write(2,0); delay_ms(10);
  eeprom_write(3,0); delay_ms(10);
  eeprom_write(4,0); delay_ms(10);
  eeprom_write(5,0); delay_ms(10);
  eeprom_write(6,0); delay_ms(10);
  eeprom_write(7,0); delay_ms(10);
                      goto loop;}
}
}
unsigned short mask(unsigned short num){
switch (num){

case 0 : return 0xC0;
case 1 : return 0xF9;
case 2 : return 0xA4;
case 3 : return 0xB0;
case 4 : return 0x99;
case 5 : return 0x92;
case 6 : return 0x82;
case 7 : return 0xF8;
case 8 : return 0x80;
case 9 : return 0x90;

}
}