Nintendo Entertainment System

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The Nintendo Entertainment System, or NES, was a video game console based around the NMOS Technology 6502. The custom chip was produced by Ricoh, and named the 2A03 processor. The NES utilized ROM cartridges for gameplay.


Games for this system


Hardware Information


The most useful NES emulator for hacking purposes is FCEUXD SP which includes a Trace Logger, a built-in Hex Editor, a Name Table Viewer, Code/Data Logger, Inline Assembler, and Game Genie Decoder/Encoder, PPU Viewer, and a Debugger with Conditional Breakpoints and Symbolic Debugging.

ROM Images

NES ROM images generally have the extension .NES and are organized according to the iNES format. Another format the UNIF(Universal NES Interchange Format) hopes to replace the iNES.

Schematics of an old copier are available here.

The IO-56 is a homemade NES Dumper by Pascal. Felber.