We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
Memory/Accumulator Select: Difference between revisions
From SnesLab
(created page) |
|||
| (2 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
The '''Memory/Accumulator Select''' flag exists in the [[processor status register]]. It indicates whether the [[accumulator]] is 8 or 16 bits wide. | 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. | |||
=== See Also === | |||
* [[Index Register Select]] | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Flags]] | [[Category:Flags]] | ||
[[Category:65c816 additions]] | |||
Latest revision as of 08:49, 29 November 2023
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.