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Windowing: Difference between revisions
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'''Windowing''' is a feature of the [[PPU]]. A window clips the left and right part of the viewport off. The SNES supports up to two windows, and they can be combined with each other in various boolean logic operations. With [[HDMA]], the left and right positions of each window can be changed on a scanline basis. | '''Windowing''' is a feature of the [[PPU]]. A window clips the left and right part of the viewport off. The unclipped part (the [[Display Area]]) is considered outside the window and the clipped part is considered inside.<sup>[2]</sup> The SNES supports up to two windows, and they can be combined with each other in various boolean logic operations. With [[HDMA]], the left and right positions of each window can be changed on a scanline basis. | ||
=== See Also === | === See Also === | ||
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=== References === | === References === | ||
#[https://archive.org/details/SNESDevManual/book1/page/n212 Appendix 18 of Book I] of the official Super Nintendo development manual | |||
# [https://archive.org/details/SNESDevManual/book1/page/n125 page 2-27-12 of Book I], lbid | |||
[[Category:Video]] | [[Category:Video]] | ||
Revision as of 20:50, 23 September 2023
Windowing is a feature of the PPU. A window clips the left and right part of the viewport off. The unclipped part (the Display Area) is considered outside the window and the clipped part is considered inside.[2] The SNES supports up to two windows, and they can be combined with each other in various boolean logic operations. With HDMA, the left and right positions of each window can be changed on a scanline basis.
See Also
References
- Appendix 18 of Book I of the official Super Nintendo development manual
- page 2-27-12 of Book I, lbid