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Old Oct 18th, 2007, 7:03 AM   #4
DaWei
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Re: Help: Indexed addressing mode (MC68HC11A8)

Depends on the microprocessor. When an outcome is the result of an addition, it doesn't matter which is which, except for logical reasons. For instance, if you wanted to "walk" memory, you'd want one of the operands incrementable.
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