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SBC (SPC700): Difference between revisions
From SnesLab
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!colspan="8"|Flags | !colspan="8"|Flags Affected | ||
|+ | |+ | ||
|N | |N | ||
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=== See Also === | |||
* [[ADC (SPC700)]] | |||
* [[SBC]] | |||
=== External Links === | === External Links === |
Revision as of 18:39, 12 July 2023
SBC is an SPC700 instruction that subtracts.
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 |
. | . | . |
See Also
External Links
- Official Super Nintendo development manual on SBC: Appendix C-5 of Book I