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CBNE (SPC700): Difference between revisions
From SnesLab
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=== External Links === | === External Links === | ||
* Official Nintendo | * Official Super Nintendo development manual on CBNE: [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-8 of book I] | ||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:SPC700]] | [[Category:SPC700]] | ||
[[Category:Branching Commands]] | [[Category:Branching Commands]] | ||
Revision as of 02:02, 8 July 2023
CBNE is an SPC700 instruction that performs a comparison between the accumulator and a direct page value and then branches if they are not equal.
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| 2E | 3 bytes | 5 or 7 cycles | |||||
| DE | 3 bytes | 6 or 8 cycles | |||||
| Flags Clobbered | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | . | . | . | . | . |
External Links
- Official Super Nintendo development manual on CBNE: Appendix C-8 of book I