NesDS v0.51a 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 v0.51a Changelog:

0.51a: Roll back some updates in 0.50b. Mapper90 added. It works fine. You need to reload the nes rom to get a 'Soft-Reset'. Light-Gun added. Under the 'Input' bar, click 'No LightGun' to active Light-Gun. When shooting, hold L-button and touch the sub-screen. 'Swap screens' is recommended. R-button can be used to rewind game play. sprite0y calculation for SP-pertile corrected, better. V-flip for SP-pertile corrected, better. A patch file added, used to correct the header of rom or modify the settings of nesDS. Below shows the games patched: PRGCRC Name 0x33AA Akumajou Densetsu 0x0A62 Joe & Mac 0x49B3 TMNT 1 0xE91E Duck Hunt(JUE) 0x15CF Wild Gunman 0x15CF Gum Shoe 0x9F65 Hogan's Alley (JU) 0xB2B5 Three Eyed ONE/Mitsume Ga Tooru 0x8A35 Feng Shen Bang(Chinese) 0xD796 Alien Syndrome (J)

Download: NesDS v0.51a
Source: Here