Execute Brain****/Common Lisp: Difference between revisions
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(defun adjust-memory (state) |
(defun adjust-memory (state) |
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"Modifies memory and memory-pointer such that memory-pointer is |
"Modifies memory and memory-pointer such that memory-pointer is |
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a valid index to the memory array. If it is too large, the array |
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is extended; if it is negative, the array is extended, its |
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contents are shifted forward and the memory-pointer is incremented, |
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by an amount to make the memory ." |
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(cond ((>= (bf-state-memory-pointer state) |
(cond ((>= (bf-state-memory-pointer state) |
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(length (bf-state-memory state))) |
(length (bf-state-memory state))) |
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