#include <hidef.h>

unsigned int fiboCount;
unsigned int counter;


unsigned int Fibonacci(unsigned int n)
{
  unsigned fib1, fib2, fibo;
  int i;

  fib1 = 0;
  fib2 = 1;
  fibo = n;
  i = 2;  
  while (i <= n) { 
    fibo = fib1 + fib2;       
    fib1 = fib2;
    fib2 = fibo;
    i++;       
  }             
  return(fibo);
}

void main(void)
{ 
   int i;

   EnableInterrupts;
   for (;;)
   {
      counter = 0;
      for (i = 0; i <= 20; i++)
      {
         counter++;
         fiboCount = Fibonacci(counter);
      }      
   }
}