đ° New article from RetroRGB
Open Source NES PPU Replacement (RGB)
https://retrorgb.com/open-source-nes-ppu-replacement-rgb.html
Open-Source NES PPU Replacement Hits GitHub â And Itâs Not Just Another Clone
Retro hardware hacker andkorzh just dropped PPU-LITE, a fully open-source replacement for the NESâs Picture Processing Unit (PPU)âand this oneâs built for accuracy and affordability. Using an inexpensive FPGA and a simple 2-layer PCB, the design reverse-engineers the original PPU at the gate level to deliver pixel-perfect rendering. No need for a working vintage chipâjust swap it in like-on-like.
A few quick notes:
- Itâs physically shaped like the popular NESRGB board, making installation a breeze (and avoiding confusion with existing mods).
- The palette system currently uses fixed color schemesâdevelopers are asking for community help to add custom, upgradable palettes. Think: your favorite CRT emulation look or retro modded colors.
- Not for sale yet, but the full design files are live on GitHub for the DIY-inclined.
If youâve ever wanted a plug-and-play PPU that just worksâwithout breaking the bank or needing obscure partsâthis could be the holy grail. Stay tuned: installation videos and potential commercial builds may drop soon.
