NesDS v0.44a is released. NesDS is a public-domain NES emulator for the Nintendo DS. The code was originally written in the commercial Nintendo DS devkit. This project's first milestone is to port that code to the open-source devkit.

NesDS v0.44a Changelog:
A bug of cartflags was fixed, which will definitely make the game unable to save..
something about 'fetch_c' was changed, which may cause some problem. the bug logged in 0.43 was related to this.
set the nes ram reset value to 0x0, not 0xFFFFFFFF, which will cause the 'Super Mario' starting from world 0-1.
Supprised that karateka(j) works now...

Download: NesDS v0.44a
Source: Here