; FizzBuzz classical challenge in MU8A for mu808 VM
; Outputs first 100 FizzBuzz numbers
; Created by Luxferre in 2025, released into public domain

set 1 0 50      ; store constant 1 into loc 50
set 100 0 51    ; store constant 100 into loc 51
set 3 0 3       ; store constant 3 into loc 3
set 5 0 5       ; store constant 5 into loc 5
set 70 0 60     ; store Fi into loc 60-61
set 105 0 61
set 66 0 62     ; store Buz + LF into loc 62-65
set 117 0 63
set 122 0 64
set 10 0 65
set 1 0 1       ; counter in loc 1
:lp mdf 1 3 2   ; loop start; store counter mod 3 into loc 2
mdf 1 5 4       ; store counter mod 5 into loc 4
set 1 0 10      ; set normal output flag to loc 10
jmp 5 2 :bu     ; jump next if not divisible by 3
out 60 61 1     ; output Fizz sequence
out 64 64 1
out 64 64 1
set 0 0 10      ; unset normal output flag
:bu jmp 5 4 :no ; jump next if not divisible by 5
out 62 63 1     ; output Buzz sequence
out 64 64 1
out 64 64 1
set 0 0 10      ; unset normal output flag
:no jmp 0 10 :n ; jump next if normal output flag is off
out 1 1 0       ; normal counter output
jmp 6 0 :le     ; jump to the end of the loop
:n out 65 65 1  ; output a newline
:le fma 50 50 1 ; increment the counter
sub 1 51 6      ; save the difference into loc 6
jmp 4 6 :lp     ; go back in the loop if not every number is displayed yet