nes - RetroBIOS

Type	libretro
Classification	Community forks
Source	https://github.com/rz5/nes
Upstream	https://git.9front.org/plan9front/plan9front (sys/src/games/nes/)
Version	1.0
Profiled	2026-03-24
Cores	nes
Systems	nintendo-nes

Technical 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).

No BIOS or firmware files required. Generated on 2026-04-03T20:37:39Z