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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.
'''S-PPU1''' is the first of the two PPUs in 2chip consoles. Little is known about how S-PPU1 works; for most regions of the die there is only speculation about their function.
 
[[File:PPU1-with-boxes-thumb.jpg|thumb|S-PPU1 die shot with regions numbered]]
 
=== Legend ===
 
* 1 & 2 - OAM
* 5 & 6 - line buffer
* 10 - combining sprite + layer?
* 12 - registers?
 
=== References ===
 
* https://forums.nesdev.org/viewtopic.php?p=279840#p279840

Revision as of 05:48, 28 April 2023

S-PPU1 is the first of the two PPUs in 2chip consoles. Little is known about how S-PPU1 works; for most regions of the die there is only speculation about their function.

S-PPU1 die shot with regions numbered

Legend

  • 1 & 2 - OAM
  • 5 & 6 - line buffer
  • 10 - combining sprite + layer?
  • 12 - registers?

References