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Horizontal Pseudo 512 Mode: Difference between revisions
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=== References === | === References === | ||
* [1] https://nesdoug.com/2022/05/30/other-modes | * [1] https://nesdoug.com/2022/05/30/other-modes | ||
* [2] https://forums.nesdev.org/viewtopic.php?p=279353#p279353 | * [2] https://forums.nesdev.org/viewtopic.php?p=279353#p279353 | ||
[[Category:Video]] | [[Category:Video]] | ||
Revision as of 02:31, 5 July 2023
Pseudo Hi-Res Mode is a transparency technique that displays the Main Screen and Sub Screen at the same time without the use of color math. It is enabled by setting bit 3 of SETINI (2133h). Columns of dots with an odd horizontal position are drawn by sampling a subscreen pixel, and columns of dots with an even horizontal position are drawn by sampling a main screen pixel. A CRT televsion blends the adjacent dots together, creating the transparency effect.
As of 2022, there are no tools for working with psuedo hi-res mode. [2]
Examples
- the HUD in Jurassic Park
- the trees in Kirby's Dreamland 3