We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
PHX: Difference between revisions
From SnesLab
(→See Also: STX) |
(→External Links: de n'd page number) |
||
| Line 54: | Line 54: | ||
=== External Links === | === External Links === | ||
* [[Eyes & Lichty]] page 481, on PHX: https://archive.org/details/0893037893ProgrammingThe65816/page/ | * [[Eyes & Lichty]] page 481, on PHX: https://archive.org/details/0893037893ProgrammingThe65816/page/481 | ||
* [[Labiak]] page 165 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 02:08, 1 August 2024
| 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. If X is 16 bits wide, the high byte is pushed first.
No flags are affected.
Syntax
PHX
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/481
- 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