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PHK: Difference between revisions
From SnesLab
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'''PHK''' (Push Program BanK) is a [[65c816]] instruction that pushes the value of the [[program bank register]] onto the [[stack]]. PHK always pushes a single byte. The [[stack pointer]] is decremented by one. | '''PHK''' (Push Program BanK) is a [[65c816]] instruction that pushes the value of the [[program bank register]] onto the [[stack]]. PHK always pushes a single byte. The [[stack pointer]] is decremented by one. | ||
No flags are affected. | |||
=== See Also === | === See Also === | ||
Revision as of 22:32, 27 June 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Stack (Push) | 4B | 1 byte | 3 cycles | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |
PHK (Push Program BanK) is a 65c816 instruction that pushes the value of the program bank register onto the stack. PHK always pushes a single byte. The stack pointer is decremented by one.
No flags are affected.
See Also
External Links
- Eyes & Lichty page 479, on PHK: https://archive.org/details/0893037893ProgrammingThe65816/page/n505
- Labiak page 163 on PHK: https://archive.org/details/Programming_the_65816/page/n173
- snes9x implementation of PHK: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1813