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PHX: Difference between revisions
From SnesLab
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=== External Links === | === External Links === | ||
* [[Eyes & Lichty]] page 481, on PHX: https://archive.org/details/0893037893ProgrammingThe65816/page/n507 | * [[Eyes & Lichty]] page 481, on PHX: https://archive.org/details/0893037893ProgrammingThe65816/page/n507 | ||
* [[Labiak]] page on PHX: https://archive.org/details/Programming_the_65816/page/n175 | * [[Labiak]] page 165 on PHX: https://archive.org/details/Programming_the_65816/page/n175 | ||
* snes9x implementation of PHX: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1878 | * snes9x implementation of PHX: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1878 | ||
Revision as of 10:49, 27 November 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Stack (Push) | DA | 1 byte | 3 cycles* | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |
PHX is a 65c816 instruction that pushes the value of the X index register onto the stack.
Cycle Penalty
- PHX takes one additional cycle if the index registers are 16 bits wide.
See Also
External Links
- Eyes & Lichty page 481, on PHX: https://archive.org/details/0893037893ProgrammingThe65816/page/n507
- Labiak page 165 on PHX: https://archive.org/details/Programming_the_65816/page/n175
- snes9x implementation of PHX: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1878