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;;
;; file: pythagoras.s
;; author: Spring 2020 MCS-178 gang
;; 
;; This program reads in three integers a, b, and c from the user and
;; checks whether a^2 + b^2 = c^2 or not.   If it is, it writes 10 to
;; the screen; else it writes 20.
;;
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    allocate-registers a b c a2 b2 c2 suma2b2 result jump-target ten twenty

    read a
    read b
    read c

    mul a2 a a
    mul b2 b b
    mul c2 c c
    add suma2b2 a2 b2
    seq result suma2b2 c2

    li jump-target elseL
    jeqz result jump-target

    li ten 10
    write ten
    halt

elseL:
    li twenty 20
    write twenty
    halt