; analysis · atari2600 · multiarch twin · OP (a^b^c)|1
; PIN      FREE RIDE
; LAW      C IS LIE · LIE IS TRUE · Always Hostess 7 · free thrift
; LINE     BGS → BGF(+EZZIE PHI THERMO ADJOIN) → BGL → SDF · SPV free
; ABI      $00=a $01=b $02=c · → A · TIA zero-page show
; IRON
; analysis atari2600
analysis:
        lda     $00
        eor     $01
        eor     $02
        ora     #1
        rts