HalfNES v0.026.1 is released. HalfNES is an open-source emulator for the Nintendo Entertainment System, written in Java. Currently, it only runs as a standalone Java SE application.

Current Features:
- Supports Mapper 0,1,2,3 games
- SRAM saving works now
- Accurate sound core
- Cross-platform portable

HalfNES v0.026.1 Changelog:
-Added Konami VRC2 and VRC4 mappers (#21,22,23,25)
-Improved performance and frame limiter
-fixed games with battery RAM crashing on startup

Download: HalfNES v0.026.1
Source: Here