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PLY: Difference between revisions
From SnesLab
(additional cycle) |
(linkify stack) |
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| Line 7: | Line 7: | ||
|'''Speed''' | |'''Speed''' | ||
|+ | |+ | ||
| | |[[Stack Addressing|Stack]] | ||
|7A | |7A | ||
|1 byte | |1 byte | ||
Revision as of 05:24, 20 November 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Stack | 7A | 1 byte | 4 cycles* | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | |||
PLY (PulL Y) is a 65x instruction that pulls the value at the top of the stack into the Y index register. PLY takes one additional cycle if the index registers are 16 bits wide.
See Also
External Links
- Eyes & Lichty page on PLY: https://archive.org/details/0893037893ProgrammingThe65816/page/n514
- Labiak page on PLY: https://archive.org/details/Programming_the_65816/page/n181
- snes9x implementation of PLY: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1921