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PHK: Difference between revisions
From SnesLab
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|'''Speed''' | |'''Speed''' | ||
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|[[Stack Addressing|Stack]] | |[[Stack Addressing|Stack]] (Push) | ||
|4B | |4B | ||
|1 byte | |1 byte | ||
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!colspan="9"|Flags Affected | !colspan="9"|Flags Affected | ||
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|N | |[[Negative Flag|N]] | ||
|V | |[[Overflow Flag|V]] | ||
|M | |[[M Flag|M]] | ||
|X | |[[X Flag|X]] | ||
|D | |[[Decimal Flag|D]] | ||
|I | |[[I Flag|I]] | ||
|Z | |[[Zero Flag|Z]] | ||
|C | |[[Carry Flag|C]] | ||
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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''' (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. | ||
=== See Also === | === See Also === | ||
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=== External Links === | === External Links === | ||
* [[Eyes & Lichty]] page on PHK: https://archive.org/details/0893037893ProgrammingThe65816/page/n505 | * [[Eyes & Lichty]] page 479, on PHK: https://archive.org/details/0893037893ProgrammingThe65816/page/n505 | ||
* [[Labiak]] page on PHK: https://archive.org/details/Programming_the_65816/page/n173 | * [[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 | * snes9x implementation of PHK: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L1813 | ||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:65c816 additions]] | [[Category:65c816 additions]] | ||
[[Category:Push Instructions]] | |||
[[Category:One-byte Instructions]] | |||
[[Category:Three-cycle Instructions]] | |||
Latest revision as of 07:26, 19 December 2023
| 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.
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