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15 lines
386 B
Plaintext
15 lines
386 B
Plaintext
: IF ( -- a | a: br cell addr )
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COMPILE (?br) H@ 2 ALLOT ( br cell allot )
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; IMMEDIATE
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: THEN ( a -- | a: br cell addr )
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DUP H@ -^ SWAP ( a-H a ) !
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; IMMEDIATE
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: ELSE ( a1 -- a2 | a1: IF cell a2: ELSE cell )
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COMPILE (br)
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2 ALLOT
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DUP H@ -^ SWAP ( a-H a )
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!
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H@ 2- ( push a. -2 for allot offset )
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; IMMEDIATE
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