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Y Index Register: Difference between revisions

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=== Reference ===
=== Reference ===
* [https://archive.org/details/SNESDevManual/book1/page/n182 page 3-8-4 of Book I] of the official Super Nintendo development manual
* 8.1.3 of [https://archive.org/details/SNESDevManual/book1/page/n182 page 3-8-4 of Book I] of the official Super Nintendo development manual


[[Category:SNES Hardware]]
[[Category:SNES Hardware]]

Latest revision as of 06:30, 20 December 2023

The Y Index Register exists on 65x processors and often holds the current index when iterating over things.

On the S-SMP it is always 8 bits wide. On the 65c816, it may be 8 or 16 bits wide.

Unlike the X index register, there are no instructions to transfer value of the stack pointer to/from Y.

See Also

Reference