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BRK (SPC700): Difference between revisions
From SnesLab
(→See Also: SLEEP, STOP) |
(1 byte Instructions) |
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|'''Speed''' | |'''Speed''' | ||
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!colspan="8"|Flags Affected | !colspan="8"|Flags Affected | ||
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|N | |[[Negative Flag|N]] | ||
|V | |[[Overflow Flag|V]] | ||
|P | |[[Direct Page Flag|P]] | ||
|B | |[[Break Flag|B]] | ||
|H | |[[Half-Carry Flag|H]] | ||
|I | |[[Interrupt Enable Flag|I]] | ||
|Z | |[[Zero Flag|Z]] | ||
|C | |[[Carry Flag|C]] | ||
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'''BRK''' is an [[SPC700]] instruction that triggers a software interrupt. | '''BRK''' is an [[SPC700]] instruction that triggers a software interrupt. The [[program counter]] and flags are pushed to the [[stack]]. The program counter then jumps to the address stored at $FFDE. | ||
=== See Also === | === See Also === | ||
* [[BRK]] | * [[BRK]] | ||
* [[RETI]] | |||
* [[SLEEP]] | * [[SLEEP]] | ||
* [[STOP]] | * [[STOP]] | ||
=== References === | === References === | ||
* [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-9 of Book I] of the official Super Nintendo development manual | * Table C-16 in [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-9 of Book I] of the official Super Nintendo development manual | ||
* anomie's SPC700 doc | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Audio]] | [[Category:Audio]] | ||
[[Category:Subroutine Call Return Commands]] | |||
[[Category:One-byte Instructions]] | |||
Latest revision as of 08:44, 29 November 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Stack / Interrupt | 0F | 1 byte | 8 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | 1 | . | 0 | . | . |
BRK is an SPC700 instruction that triggers a software interrupt. The program counter and flags are pushed to the stack. The program counter then jumps to the address stored at $FFDE.
See Also
References
- Table C-16 in Appendix C-9 of Book I of the official Super Nintendo development manual
- anomie's SPC700 doc