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PHB: Difference between revisions
From SnesLab
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=== External Links === | === External Links === | ||
* [[Eyes & Lichty]] page 477, on PHB: https://archive.org/details/0893037893ProgrammingThe65816/page/ | * [[Eyes & Lichty]] page 477, on PHB: https://archive.org/details/0893037893ProgrammingThe65816/page/477 | ||
* [[Labiak]] page 161 on PHB: https://archive.org/details/Programming_the_65816/page/n171 | * [[Labiak]] page 161 on PHB: https://archive.org/details/Programming_the_65816/page/n171 | ||
Revision as of 11:34, 15 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Stack (Push) | 8B | 1 byte | 3 cycles | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | . | . | . | . | . | |
PHB (PusH data Bank register) is a 65c816 instruction that pushes the value of the data bank register to the stack. PHB always pushes one byte. The stack pointer is decremented by one and ends up pointing directly below the byte pushed.
No flags are affected.
Syntax
PHB
See Also
External Links
- Eyes & Lichty page 477, on PHB: https://archive.org/details/0893037893ProgrammingThe65816/page/477
- Labiak page 161 on PHB: https://archive.org/details/Programming_the_65816/page/n171