EXC/ x<>Rn for stack efficiency
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06-14-2017, 07:38 PM
Post: #17
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RE: EXC/ x<>Rn for stack efficiency
(06-14-2017 06:39 PM)Dieter Wrote:(06-14-2017 10:19 AM)Matt Agajanian Wrote: I've been trying to figure this out and I'm getting confused and forgetting the stack at the exchange steps. So, please help me. Maybe you've already responded with the answer. But, the ends I'm trying to accomplish removes the former value from the stack and leaves the exchanged value on the stack with Y, Z, and (if possible) the T registers intact. Dieter, again, sorry for my mixup. Yes, your methods accomplish what I need. For some reason, a mental block on my part is gettiing in the way of imagining/picturing the stack. Perhaps, I should create an Excel or Word six-row table to help me physically visualise these. Thanks |
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