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V-Blank Period Flag: Difference between revisions
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The '''V-Blank Period Flag''' indicates whether the raster scan is in the [[vertical blanking period]] or not. It is bit 7 of HVBJOY. | The '''V-Blank Period Flag''' indicates whether the raster scan is in the [[vertical blanking period]] or not. It is bit 7 of HVBJOY. When set, the scan is in vblank. | ||
=== See Also === | === See Also === | ||
* [[H-Blank Period Flag]] | * [[H-Blank Period Flag]] | ||
* [[Display Period]] | |||
=== | === Reference === | ||
* https://archive.org/details/SNESDevManual/book1/page/n145 | * [https://archive.org/details/SNESDevManual/book1/page/n145 page 2-28-7 of Book I] of the official Super Nintendo development manual | ||
[[Category:Video]] | |||
[[Category:Flags]] | |||
[[Category:Timing]] | |||
Latest revision as of 18:06, 18 August 2024
The V-Blank Period Flag indicates whether the raster scan is in the vertical blanking period or not. It is bit 7 of HVBJOY. When set, the scan is in vblank.
See Also
Reference
- page 2-28-7 of Book I of the official Super Nintendo development manual