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p_negate.adoc
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// math.asm: WORD p_negate, 'NEGATE',fasm
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anchor:p_negate[]
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=== Word: NEGATE
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Data stack: ( v1 -- v2 )
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....
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"NEGATE" is a function word that replaces a value with its
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2's-complement negation. To that end, the values are 64-bit signed
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integers.