How convert a photo image data to be used in an NES (Nintendo Entertainment System) game. Tools used: Gimp, NESASM, YY-CHR, FCEUX. Review of background tile, palette, and attribute data for assembly code. How to prepare the image in Gimp to used indexed palette. Copying image data to YY-CHR. Running the game file with FCEUX. … Continue reading NES Photo Graphics – Knox Game Design, June 2026 →