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Scanline: Difference between revisions
From SnesLab
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It takes the raster beam approximately 63.5 microseconds to draw a scanline and then [[hblank]].<sup>[3]</sup> | It takes the raster beam approximately 63.5 microseconds to draw a scanline and then [[hblank]].<sup>[3]</sup> | ||
Scanlines can be | Scanlines can be 4 cycles longer or shorter than normal. | ||
=== See Also === | === See Also === | ||
Revision as of 17:18, 18 August 2024
A scanline is a single row of dots, produced by a single horizontal sweep of the raster beam across the TV screen from left to right. A scanline takes 1364 master cycles.[1]
It takes the raster beam approximately 63.5 microseconds to draw a scanline and then hblank.[3]
Scanlines can be 4 cycles longer or shorter than normal.
See Also
References
- https://problemkaputt.de/fullsnes.htm#snestimingppumemoryaccesses
- https://problemkaputt.de/fullsnes.htm#snestiminghvevents
- Appendix 20 of Book I of the official Super Nintendo development manual