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PUSH (SPC700): Difference between revisions
From SnesLab
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=== References === | === References === | ||
* Table C-17 in [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-9 of Book I] of the official Super Nintendo development manual | * Table C-17 in [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-9 of Book I] of the official Super Nintendo development manual | ||
* anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L541 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
Revision as of 21:50, 13 July 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