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O/V: Difference between revisions
From SnesLab
(list of instructions that affect it) |
(subscripted) |
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It is affected by the following instructions: | It is affected by the following instructions: | ||
* ADC | * ADC R<sub>n</sub> | ||
* ADC #n | * ADC #n | ||
* ADD | * ADD R<sub>n</sub> | ||
* ADD #n | * ADD #n | ||
* CMP | * CMP R<sub>n</sub> | ||
* MERGE | * MERGE | ||
* MOVES | * MOVES | ||
* SBC | * SBC R<sub>n</sub> | ||
* SUB | * SUB R<sub>n</sub> | ||
* SUB #n | * SUB #n | ||
Revision as of 21:41, 9 July 2024
O/V is the Super FX's overflow flag. It is bit 4 of 3030h.
It is affected by the following instructions:
- ADC Rn
- ADC #n
- ADD Rn
- ADD #n
- CMP Rn
- MERGE
- MOVES
- SBC Rn
- SUB Rn
- SUB #n
See Also
Reference
- 9.3 "Operator Functions" on page 2-9-2 of Book II of the official Super Nintendo development manual
- Table 2-4-2 GSU Status Register Flags on page 2-4-4 of Book II, lbid.