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CBNE (SPC700): Difference between revisions
From SnesLab
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'''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. | |||
=== See Also === | === See Also === |
Revision as of 17:40, 13 July 2023
Basic Info | |||||||
---|---|---|---|---|---|---|---|
Addressing Mode | Opcode | Length | Speed | ||||
2E | 3 bytes | when condition is false: 5 cycles
when condition is true: 7 cycles |
|||||
DE | 3 bytes | when condition is false: 6 cycles
when condition is true: 8 cycles |
Flags Clobbered | |||||||
---|---|---|---|---|---|---|---|
N | V | P | B | H | I | Z | C |
. | . | . | . | . | . | . | . |
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.
See Also
External Links
- Official Super Nintendo development manual on CBNE: Appendix C-8 of book I