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Index Register Select: Difference between revisions
From SnesLab
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(see also Memory/Accumulator Select) |
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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. | ||
=== See Also === | |||
* [[Memory/Accumulator Select]] | |||
[[Category:ASM]] | [[Category:ASM]] | ||
Revision as of 08:48, 29 November 2023
Index Register Select is a flag in the processor status register. It indicates how wide the index registers are.
When clear, the index registers are both 16 bits wide. When set, the index registers are both 8 bits wide.
It is not possible to control the width of the two index registers individually.