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Index Register Select: Difference between revisions
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'''Index Register Select''' is a flag in the [[processor status register]]. It indicates how wide the [[index register]]s are. | '''Index Register Select''' is a flag in the [[processor status register]]. It indicates how wide the [[index register]]s are. | ||
When clear, | When clear, both index registers are 16 bits wide. | ||
When set, | When set, both index registers are 8 bits wide. | ||
It is not possible to control the width of the two index registers individually. | It is not possible to control the width of the two index registers individually. | ||
Revision as of 09:10, 29 November 2023
Index Register Select is a flag in the processor status register. It indicates how wide the index registers are.
When clear, both index registers are 16 bits wide. When set, both index registers are 8 bits wide.
It is not possible to control the width of the two index registers individually.