Nemulator v2.2 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 Changelog:
Sound engine improvements - audible adjustments to playback frequency are essentially eliminated
Fixed IRQ behavior following CLI, PLP, and RTI instructions (fixes Pinbot, High Speed, and some test ROMs)
More accurate MMC3 implementation
Fixed sprite DMA from non-CPU memory (fixes Noah's Ark)
CRC-based detection for ROMs that aren't adequately described by iNES headers
ROMs are cached on startup for smoother scrolling through the menu (can be disabled in nemulator.ini)
Hotkeys for resetting games (F2) and switching between fast and accurate emulation modes (F3)
Emulation of emphasis bits and grayscale mode
Fixed handling of OAM reads via $2004 while rendering; Micro Machines is working properly now
A lot of code reorg/cleanup and a few bug fixes
Added support for the following mappers:
MMC6 - Startropics
23 - Contra (J), Parodius, Crisis Force
67 - Fantasy Zone 2 (J)
78 - Holy Diver (J)
93 - Fantasy Zone (J)
94 - Senjou no Ookami
119 - Pinbot, High Speed
184 - Atlantis no Nazo
185 - Spy vs. Spy (J), Mighty Bomb Jack (J)

Download: Nemulator v2.2
Source: Here