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bd38d80f9c
and renamed it "Core words". Also, reworded the presentation.
8 lines
126 B
Plaintext
8 lines
126 B
Plaintext
( returns negative value on error )
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: _ ( c -- n )
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DUP '0' '1' =><= IF '0' - EXIT THEN
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DROP -1 ( bad )
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;
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