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8 lines
238 B
Plaintext
8 lines
238 B
Plaintext
( r c -- r f )
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( Parse digit c and accumulate into result r.
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Flag f is true when c was a valid digit )
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: _pdacc
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'0' - DUP 10 < IF ( good, add to running result )
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SWAP 10 * + 1 ( r*10+n f )
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ELSE ( bad ) DROP 0 THEN ;
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