// Timer 0 output compare interrupt service routine
interrupt [TIM0_COMP] void timer0_comp_isr(void)
{
   counter++;
   if(counter==49)
   {  
      printf("\r %d \n",tdiff);  
      counter=0;
      PORTD.4=1;
      delay_us(1);
      PORTD.4=0;
   }
}

// Timer 1 input capture interrupt service routine
interrupt [TIM1_CAPT] void timer1_capt_isr(void)
{
   
   #asm("cli")
  
   
   //PORTA=0x80;
   if(TIFR & 0x04)
   {
      TIFR=TIFR & 0xFB;
      TCNT1=0;
   }
   else
   {   
      tdiff=ICR1H;
      tdiff<<=8;
      tdiff|=ICR1L;
      
      TCNT1=0;
   }
   
   
   //delay_ms(200);
   //PORTA=0x00;
   #asm("sei")
}