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PUSH (SPC700): Difference between revisions
From SnesLab
(→References: added anomie link) |
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=== See Also === | === See Also === | ||
* [[POP]] | * [[POP]] | ||
* [[PHA]] | |||
* [[PHX]] | |||
* [[PHY]] | |||
* [[PHP]] | |||
=== References === | === References === | ||
Revision as of 03:34, 9 August 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Accumulator | 2D | 1 byte | 4 cycles | ||||
| Stack | 4D | 1 byte | 4 cycles | ||||
| Stack | 6D | 1 byte | 4 cycles | ||||
| Stack | 0D | 1 byte | 4 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | . | . | . | . | . |
PUSH is an SPC700 command that pushes the value of a register to the stack. The register can be:
- the accumulator
- the X index register
- the Y index register
- the program status word
No flags are affected.
Syntax
PUSH A PUSH X PUSH Y PUSH PSW
See Also
References
- Table C-17 in Appendix C-9 of Book I of the official Super Nintendo development manual
- anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L541