emulator: nes type: libretro core_classification: community_fork source: "https://github.com/rz5/nes" upstream: "https://git.9front.org/plan9front/plan9front (sys/src/games/nes/)" profiled_date: "2026-03-24" core_version: "1.0" display_name: "Nintendo - NES / Famicom (nes)" cores: [nes] systems: [nintendo-nes] files: [] notes: > Port of aiju's NES emulator from 9front (Plan 9) to libretro by rz5. Minimal emulator supporting mappers 0 (NROM), 1 (MMC1), 2 (UxROM), 3 (CNROM), 4 (MMC3), 7 (AxROM). Palette hardcoded in ppu.c. No BIOS or external files required. NES hardware boots directly from cartridge ROM. No FDS support (only .nes extension).