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YA (SPC700): Difference between revisions
From SnesLab
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Revision as of 18:06, 19 July 2023
YA is a virtual 16-bit SPC700 register who's high byte is the Y index register and who's low byte is accumulator.
MOVW can be used to read or write all 16 bits of YA in a single instruction.
See Also
Reference
- Appendix C-1 of Book I of the official Super Nintendo development manual