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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 ===

Revision as of 13:55, 16 December 2023

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

References