void port_initialization()
{
  volatile unsigned char *portD_dir=0x2A;
  *portD_dir=0xFF;
}
void outport(unsigned char data1)
{
  volatile unsigned char *portD_data=0x2B;
  *portD_data=data1; 
}
void Timer_init()
{
  volatile unsigned char *TCCR0A_D=0x44;
  volatile unsigned char *TCCR0B_D=0x45;
  volatile unsigned char *OCR0A_D=0x47;
  volatile unsigned char *TCNT0_D=0x46;
  volatile unsigned char *TIFR0_D=0x35;

  *TCCR0A_D=0x83;
  *TCCR0B_D=0x03;
  *TCNT0_D=6;
  *OCR0A_D=63;
}
void setup() {
  // put your setup code here, to run once:
  port_initialization();
  Timer_init();
  while(1);
}

void loop() {
  // put your main code here, to run repeatedly:

}