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PEI: Difference between revisions
From SnesLab
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* [[Eyes & Lichty]] page on PEI: https://archive.org/details/0893037893ProgrammingThe65816/page/n500 | * [[Eyes & Lichty]] page on PEI: https://archive.org/details/0893037893ProgrammingThe65816/page/n500 | ||
* [[Labiak]] page on PEI: https://archive.org/details/Programming_the_65816/page/n168 | * [[Labiak]] page on PEI: https://archive.org/details/Programming_the_65816/page/n168 | ||
* snes9x implementation of PEI: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1658 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:65c816 additions]] | [[Category:65c816 additions]] | ||
Revision as of 20:34, 17 May 2023
PEI (Push Effective Indirect address) is a 65c816 instruction that pushes a 16-bit value to the stack. This value need not actually be an address.
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| stack | D4 | 2 bytes | 6 cycles | ||||
| Flags Clobbered | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |
External Links
- Eyes & Lichty page on PEI: https://archive.org/details/0893037893ProgrammingThe65816/page/n500
- Labiak page on PEI: https://archive.org/details/Programming_the_65816/page/n168
- snes9x implementation of PEI: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1658