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O/V: Difference between revisions

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(page 2-4-4 ref)
(affects BGE/BLT)
 
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'''O/V''' is the [[Super FX]]'s overflow flag.
'''O/V''' is the [[Super FX]]'s overflow flag. It is bit 4 of 3030h.
 
It is affected by the following instructions:
* [[ADC (Super FX)|ADC]] R<sub>n</sub>
* [[ADC (Super FX)|ADC]] #n
* [[ADD]] R<sub>n</sub>
* [[ADD]] #n
* [[CMP (Super FX)|CMP]] R<sub>n</sub>
* [[MERGE]]
* [[MOVES]]
* [[SBC (Super FX)|SBC]] R<sub>n</sub>
* [[SUB]] R<sub>n</sub>
* [[SUB]] #n
 
It affects the behavior of the following instructions:
* [[BVC (Super FX)|BVC]]
* [[BVS (Super FX)|BVS]]
* [[BGE]]
* [[BLT]]


=== See Also ===
=== See Also ===
* [[Sign Flag]]
* [[Overflow Flag]]
* [[Overflow Flag]]


=== Reference ===
=== Reference ===
* [https://archive.org/details/SNESDevManual/book2/page/n158 page 2-9-2 of Book II] of the official Super Nintendo development manual
* 9.3 "Operator Functions" on [https://archive.org/details/SNESDevManual/book2/page/n158 page 2-9-2 of Book II] of the official Super Nintendo development manual
* page 2-4-4 of Book II, lbid.
* Table 2-4-2 GSU Status Register Flags on [https://archive.org/details/SNESDevManual/book2/page/n110 page 2-4-4 of Book II], lbid.


[[Category:Flags]]
[[Category:Flags]]
[[Category:ASM]]
[[Category:ASM]]
[[Category:Super FX]]
[[Category:Super FX]]

Latest revision as of 21:53, 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:

It affects the behavior of the following instructions:

See Also

Reference