; rescar · atari2600 · multiarch twin · OP 0→0 else v|1
; PIN      SECURE / scar
; 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
; rescar atari2600
rescar:
        lda     $00
        beq     1f
        ora     #1
        rts
1:      lda     #0
        rts