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17 lines
459 B
Plaintext
17 lines
459 B
Plaintext
Parameter Stack
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DROP a --
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DUP a -- a a
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?DUP DUP if a is nonzero
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NIP a b -- b
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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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'S Returns current stack pointer, not counting the
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push it's making right now.
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(cont.)
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