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Memory/Accumulator Select: Difference between revisions
From SnesLab
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When clear, the accumulator is 16 bits wide. | When clear, the accumulator is 16 bits wide. | ||
When set, the accumulator is 8 bits wide, but the high byte is still retained. | When set, the accumulator is 8 bits wide, but the high byte is still retained. | ||
It can be affected by: | |||
* [[REP]] | |||
* [[SEP]] | |||
* [[PLP]] | |||
* [[RTI]] | |||
=== See Also === | === See Also === | ||
Revision as of 23:33, 6 July 2024
The Memory/Accumulator Select flag exists in the processor status register. It indicates whether the accumulator is 8 or 16 bits wide.
When clear, the accumulator is 16 bits wide. When set, the accumulator is 8 bits wide, but the high byte is still retained.
It can be affected by: