We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
PEA: Difference between revisions
From SnesLab
(5 cycle) |
(no flags affected) |
||
| Line 36: | Line 36: | ||
'''PEA''' (Push Effective Address) is a [[65c816]] instruction that pushes a 16-bit value to the stack. This value need not actually be an address. The [[stack pointer]] is decremented by two. | '''PEA''' (Push Effective Address) is a [[65c816]] instruction that pushes a 16-bit value to the stack. This value need not actually be an address. The [[stack pointer]] is decremented by two. | ||
No flags are affected. | |||
=== See Also === | === See Also === | ||
Revision as of 22:30, 27 June 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Stack (absolute) | F4 | 3 bytes | 5 cycles | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |
PEA (Push Effective Address) is a 65c816 instruction that pushes a 16-bit value to the stack. This value need not actually be an address. The stack pointer is decremented by two.
No flags are affected.
See Also
External Links
- Eyes & Lichty page 473, on PEA: https://archive.org/details/0893037893ProgrammingThe65816/page/n499
- Labiak page 157 on PEA: https://archive.org/details/Programming_the_65816/page/n167
- snes9x implementation of PEA: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1631
- undisbeliever on PEA: https://undisbeliever.net/snesdev/65816-opcodes.html#pea-push-effective-absolute-address