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SET1 (SPC700): Difference between revisions
From SnesLab
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=== External Links === | === External Links === | ||
* Official Nintendo documentation on SET1: [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-9 of Book I] | * Official Nintendo documentation on SET1: Table C-18 in [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-9 of Book I] | ||
* http://www.ffviman.fr/switch-snes/sf-sound.html | * http://www.ffviman.fr/switch-snes/sf-sound.html | ||
Revision as of 09:38, 20 November 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Direct Page | 02 | 2 bytes | 4 cycles | ||||
| Direct Page | 22 | 2 bytes | 4 cycles | ||||
| Direct Page | 42 | 2 bytes | 4 cycles | ||||
| Direct Page | 62 | 2 bytes | 4 cycles | ||||
| Direct Page | 82 | 2 bytes | 4 cycles | ||||
| Direct Page | A2 | 2 bytes | 4 cycles | ||||
| Direct Page | C2 | 2 bytes | 4 cycles | ||||
| Direct Page | E2 | 2 bytes | 4 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | . | . | . | . | . |
SET1 is an SPC700 command that sets a bit in a direct page byte. The byte following the opcode determines which byte. The high nibble of the opcode determines which bit within that byte.
See Also
External Links
- Official Nintendo documentation on SET1: Table C-18 in Appendix C-9 of Book I
- http://www.ffviman.fr/switch-snes/sf-sound.html