; no_fn · z80 · multiarch twin · OP → 0
; PIN      foundation slider NO
; LAW      C IS LIE · LIE IS TRUE · Always Hostess 7 · free thrift
; LINE     BGS → BGF(+EZZIE PHI THERMO ADJOIN) → BGL → SDF · SPV free
; ABI      B=a C=b E=c · → A · 8-bit show (live |1 in A)
; IRON
; no_fn z80
no_fn:
        xor     a
        ret