puNES v0.63 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 v0.63 Changelog

0.63 (bugfix relase) Correct a pitch and envelope problem reported from Dwedit (thanks for your help and for your patience). Fixed a bug that could create sound skip and noise in the audio buffer. Correct a bug introduced in version 0.62 of win64 that did not allow the emulator to start correctly. Other small bugfixes.

Download: puNES v0.63 for Linux32
Download: puNES v0.63 for Linux64
Download: puNES v0.63 for win32
Source: Here