2020-04-14 10:04:09 -04:00
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Parameter Stack
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DROP a --
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DUP a -- a a
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OVER a b -- a b a
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ROT a b c -- b c a
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SWAP a b -- b a
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2DROP a a --
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2DUP a b -- a b a b
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2OVER a b c d -- a b c d a b
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2SWAP a b c d -- c d a b
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2020-04-20 21:22:07 -04:00
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PICK Pick nth item from stack. "0 PICK" = DUP,
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"1 PICK" = OVER.
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2020-04-20 23:06:39 -04:00
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ROLL Rotate PSP over n items. "1 ROLL" = SWAP,
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"2 ROLL" = ROT. 0 is noop.
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2020-04-16 19:44:17 -04:00
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