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STOP (SPC700): Difference between revisions
From SnesLab
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STOP | STOP | ||
</pre> | </pre> | ||
Perhaps STOP would have been more useful if the APU supported hardware interrupts. | |||
=== See Also === | === See Also === | ||
Revision as of 06:01, 22 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Implied (type 3) | FF | 1 byte | 3 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | . | . | . | . | . |
STOP is an SPC700 standby instruction. It hangs the S-SMP until reset. [2] Nintendo does not want you to use this instruction.[3]
No flags are affected.
Syntax
STOP
Perhaps STOP would have been more useful if the APU supported hardware interrupts.
See Also
References
- Official Super Nintendo development manual on STOP: Table C-20 in Appendix C-10 of Book I
- https://problemkaputt.de/fullsnes.htm#snesapuspc700cpujumpcontrolcommands
- Summary of SPC700 Commands, Appendix C-1
- anomie: https://github.com/yupferris/TasmShiz/blob/8fabc9764c33a7ae2520a76d80ed7220bb939f12/spc700.txt#L585