puNES v0.55 is released. puNES is a NES emulator. Currently the program supports mappers 0, MMC1, UNROM, CNROM, and the sound is available. It uses the SDL libraries and it works on both Linux and Windows.

puNES v0.55 Changelog

Fixed another bug in the square emulation. Thanks to Eugene.s for the reporting.

Download: puNES v0.55 for Linux32
Download: puNES v0.55 for Linux64
Download: puNES v0.55 for win32
Source: Here