andrew@thecoder:~$

$ Go NES Emulator

View on GitHub →

A Nintendo Entertainment System (NES) emulator written in Go. This project brings classic 8-bit gaming to life with accurate CPU emulation, PPU graphics rendering, and support for multiple cartridge mappers.

A WebAssembly version of this emulator is available at /nes. Note that you'll need your own NES ROM files to use the emulator.

Looking for ROMs? You can find them at Vimm's NES Vault.

### features

  • -Ricoh 2A03 CPU - Complete emulation of the NES CPU with official and unofficial opcodes
  • -PPU Graphics - Accurate rendering with sprite rendering, background layers, and scrolling
  • -Mapper Support - Supports 6 major mappers covering ~72% of NES games
  • -SDL2 Display - Smooth 60 FPS gameplay with SDL2 for cross-platform graphics
  • -WASM Build - WebAssembly target for running in browsers

### supported mappers

The emulator supports the most common NES cartridge mappers:

  • •Mapper 0 (NROM) - Super Mario Bros., Donkey Kong
  • •Mapper 1 (MMC1) - Zelda, Metroid
  • •Mapper 2 (UxROM) - Mega Man, Castlevania
  • •Mapper 3 (CNROM) - Arkanoid
  • •Mapper 4 (MMC3) - Super Mario Bros. 3, Mega Man 3-6
  • •Mapper 7 (AxROM) - Battletoads

### controls

Arrow Keys- D-Pad
X- A Button
Z- B Button
Enter- Start
Right Shift- Select
P- Pause/Resume
R- Reset
ESC- Quit

### learn more

Download pre-built binaries, read the documentation, and explore the source code.

GitHub →Releases →