; FIELD_NATIVE · native BGS ground mark · full iron · field_one twin
; =============================================================================
; NAME     FIELD_NATIVE
; OP       field_native(v) → v|1
; PIN      BGS ground · native field one · SHOOT-kin · not measure peel
; ABI      System V · edi=v · → eax
; LAW
;   · clean live mark on ground · same iron as field_one
;   · never measure peel (that is BGF/measure) · never place rewrite
;   · C IS LIE · free thrift
; LINE     BGS → BGF(+atoms) → BGL → SDF · SPV free
; RELATED  field_one/ · bgs/ · shoot/
; ARCH     x86_64 · aarch64
; IRON
        global  field_native
field_native:
        mov     eax, edi
        or      eax, 1          ; native ground live |1
        ret