NesUEFI v1.0.0 is released. NesUEFI is a NES Emulator running without an operating system directly on Unified Extensible Firmware Interface (UEFI). Simply place NesUEFI and nes roms in a pendrive and play. NesUEFI file browser will show the available roms. The core drivers (Graphics, File System, Timer) are written in c using GNU-EFI and the emulator part is a port of LiteNES. Adafruit GFX Graphics Library is ported for GNU-EFI ecosystem in C for high level graphics operations and text rendering.

NesUEFI v1.0.0 Changelog:
Format a pendrive with FAT32 file system.
Create /efi/boot/ folders in the pendrive
Copy bootx64.efi file to boot folder.
Copy splash.bmp on the root folder of the pendrive
Place your .nes roms in pendrive.

Download: NesUEFI v1.0.0
Source: Here