1 &i                                # init loop counter
:start                              # set start label
@i 100 - not goto finished          # if i is 100, finish
@i 15 % not goto print_fizz_buzz    # fizzbuzz
@i 5 % not goto print_buzz          # buzz
@i 3 % not goto print_fizz          # fizz
@i nout '\n' out                    # normal number
:end                                # go back here after printing
@i 1 + &i                           # increment i
1 goto start                        # go back to the start

:print_fizz_buzz
   "Fizzbuzz\n" out goto end
:print_fizz
   "Fizz\n" out goto end
:print_buzz
   "Buzz\n" out goto end

:finished 0