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SBC (SPC700): Difference between revisions
From SnesLab
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'''SBC''' is an [[SPC700]] instruction that subtracts. | |||
=== See Also === | === See Also === | ||
Revision as of 20:03, 13 July 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| immediate | A8 | 2 bytes | 2 cycles | ||||
| A6 | 1 byte | 3 cycles | |||||
| A4 | 2 bytes | 3 cycles | |||||
| B4 | 2 bytes | 4 cycles | |||||
| A5 | 3 bytes | 4 cycles | |||||
| B5 | 3 bytes | 5 cycles | |||||
| B6 | 3 bytes | 5 cycles | |||||
| A7 | 2 bytes | 6 cycles | |||||
| B7 | 2 bytes | 6 cycles | |||||
| B9 | 1 byte | 5 cycles | |||||
| A9 | 3 bytes | 6 cycles | |||||
| B8 | 3 bytes | 5 cycles | |||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | |||||
SBC is an SPC700 instruction that subtracts.
See Also
External Links
- Official Super Nintendo development manual on SBC: Appendix C-5 of Book I