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- : +! SWAP OVER @ + SWAP ! ;
- : -^ SWAP - ;
- : ALLOT HERE +! ;
-
- : IF ( -- a | a: br cell addr )
- COMPILE (?br)
- H@ ( push a )
- 2 ALLOT ( br cell allot )
- ; IMMEDIATE
-
- : THEN ( a -- | a: br cell addr )
- DUP H@ -^ SWAP ( a-H a )
- !
- ; IMMEDIATE
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