via http://www.emulation64.com/view/2955/iNES-v56-released/

iNES is a program that emulates Nintendo Entertainment System (NES) and Famicom videogame consoles on your computer. It plays NES games on PCs, PocketPCs, Macs, Unix boxes, etc.

iNES v5.6 Changelog:

* Now also blanking sprites when the left edge is being blanked.
* NMI cannot be disabled or cancelled once VBlank starts.
* Double Dragon no longer hangs at subway scene, etc.
* Fixed mapper #65 (Irem H3001 chip).


http://fms.komkon.org/iNES/