Nemulator v2.2.1 is released.Nemulator is win32 NES emulator.nemulator 2.0 uses DirectX 10, therefore Windows Vista or Windows 7 is required. If you receive an error message stating that d3dx10_33.dll is missing, please download the latest DirectX 10 update from Microsoft at microsoft.com.You need a lot of horsepower (probably a dual-CPU/core system) to run the menu at full speed.

nemulator v2.2.1 Changelog:
- The number of games displayed in the menu is now customizable. See menu_columns option in nemulator.ini.
- Widescreen/fullscreen aspect ratio is selectable via app.widescreen option in nemulator.ini.
- Fixed bug that could cause nemulator to hang while exiting.

Download: Nemulator v2.2.1
Source: Here