con
  _clkmode = $62
  _clkfreq = $4E495053 ' SPIN

obj
  c : "clibsd"

pub main(argc, argv) | n, startTime, endTime, executionTime, rawTime
  c.enter(argc, argv)
  c.printf0(string("hello, world!\n"))
  n := 0
  repeat while n =< 26
    c.printf1(string("fibo(%d) = "), n)
    startTime := clock
    result := fibo(n)
    endTime := clock
    rawTime := endTime - startTime
    executionTime := rawTime / (CLKFREQ / 1000)
    c.printf3(string("%d (%dms) (%d ticks)\n"), result, executionTime, rawTime)
    n++
  c.exit(0)

pub clock
  result := cnt

pub fibo(n)
  if n < 2
    return n
  else
    return fibo(n - 1) + fibo(n - 2)