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S-PPU1: Difference between revisions
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'''S-PPU1''' is the first of the two PPUs in 2chip consoles. | [[File:PPU1-with-boxes-thumb.jpg|thumb|S-PPU1 die shot with regions numbered]] | ||
'''S-PPU1''' is the first of the two PPUs in 2chip consoles. It has part number 21322. Little is known about how S-PPU1 works; for most regions of the die there is only speculation about their function. | |||
=== Legend === | |||
* 1 & 2 - [[OAM]] | |||
* 5 & 6 - [[Sprite Line Buffer]] | |||
* 10 - combining sprite + layer? | |||
* 12 - registers? | |||
=== See Also === | |||
* [[S-PPU2]] | |||
* [[Mode 7]] | |||
=== References === | |||
* https://forums.nesdev.org/viewtopic.php?p=279840#p279840 | |||
* paragraph 22.2 on [https://archive.org/details/SNESDevManual/book1/page/n97 page 2-22-1 of Book I] of the official Super Nintendo development manual | |||
[[Category:SNES Hardware]] | |||
[[Category:Integrated Circuits]] | |||
[[Category:ICs with unconnected pins]] | |||
[[Category:Video]] | |||
Latest revision as of 19:45, 12 August 2024
S-PPU1 is the first of the two PPUs in 2chip consoles. It has part number 21322. Little is known about how S-PPU1 works; for most regions of the die there is only speculation about their function.
Legend
- 1 & 2 - OAM
- 5 & 6 - Sprite Line Buffer
- 10 - combining sprite + layer?
- 12 - registers?
See Also
References
- https://forums.nesdev.org/viewtopic.php?p=279840#p279840
- paragraph 22.2 on page 2-22-1 of Book I of the official Super Nintendo development manual