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Overflow Flag: Difference between revisions
From SnesLab
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The '''Overflow Flag''' is affected only by the following | The '''Overflow Flag''' is affected only by the following eight instructions: | ||
* [[ADC]] | * [[ADC]] | ||
| Line 5: | Line 5: | ||
* [[CLV]] | * [[CLV]] | ||
* [[BIT]] | * [[BIT]] | ||
* [[PLP]] | |||
* [[RTI]] | |||
* [[SEP]] | |||
* [[REP]] | |||
It may be the most misunderstood flag of the [[65c816]]. | It may be the most misunderstood flag of the [[65c816]]. | ||
=== | === See Also === | ||
* https://archive.org/details/0893037893ProgrammingThe65816/page/n465 | * [[BVC]] | ||
* [[BVS]] | |||
* [[O/V]] | |||
=== References === | |||
* [[Eyes & Lichty]], page 439: https://archive.org/details/0893037893ProgrammingThe65816/page/n465 | |||
* Clark, Bruce. http://www.6502.org/tutorials/vflag.html | |||
* Shirriff, Ken. https://www.righto.com/2012/12/the-6502-overflow-flag-explained.html?m=1 | |||
* lbid. https://www.righto.com/2013/01/a-small-part-of-6502-chip-explained.html?m=1 | |||
* Labiak. | |||
https://archive.org/details/Programming_the_65816/page/n118 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Flags]] | [[Category:Flags]] | ||
[[Category:Inherited from 6502]] | |||
Latest revision as of 07:00, 7 December 2023
The Overflow Flag is affected only by the following eight instructions:
It may be the most misunderstood flag of the 65c816.
See Also
References
- Eyes & Lichty, page 439: https://archive.org/details/0893037893ProgrammingThe65816/page/n465
- Clark, Bruce. http://www.6502.org/tutorials/vflag.html
- Shirriff, Ken. https://www.righto.com/2012/12/the-6502-overflow-flag-explained.html?m=1
- lbid. https://www.righto.com/2013/01/a-small-part-of-6502-chip-explained.html?m=1
- Labiak.
https://archive.org/details/Programming_the_65816/page/n118