HalfNES is an open-source emulator for the Nintendo Entertainment System, written in Java. Currently, it only runs as a standalone Java SE application and supports: joystick through DirectInput and xInput, SRAM save, accurate sound core, full screen display and cross-platform portability.



Chere's changelog for latest builds:
055
-Added support for NSF music files.
-Added mapper for Super Spike V'Ball/Nintendo World Cup combo cartridge
-Changed sprite DMA timings (fixes Battle Chess again)



054
-Changed NES color palette to match NTSC filter colors
-Fixed VRC 7 Vibrato, no longer crackles
-Improved speed of NTSC filter some more
-General code cleanups (more are still necessary)
-Provided a more helpful error on stdout when the jInput lirary is missing

Visit project homepage for further information and latest version of emulator.