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36 lines
534 B
Forth
36 lines
534 B
Forth
1 constant rock
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2 constant paper
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3 constant scissors
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: is-win ( them us -- yes ) - dup -1 = swap 2 = or ;
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: get-score ( them us -- score )
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2dup is-win if 6 + else
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2dup = if 3 +
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then then nip ;
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: get-loser ( them -- us ) 2 - 3 mod 1+ ;
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: get-winner ( them -- us ) 3 mod 1+ ;
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: A rock ;
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: B paper ;
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: C scissors ;
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: X rock get-score + ;
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: Y paper get-score + ;
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: Z scissors get-score + ;
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0
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include input
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. cr
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: X dup get-loser get-score + ;
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: Y dup get-score + ;
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: Z dup get-winner get-score + ;
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0
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include input
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. cr
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bye
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