DS1942 is a standalone 1942 Arcade emulator for Nintendo DS by Copper. The original Arcade ROMs are required, but not bundled with the download. As the game is still subject to copyright, there is also no way for us to provide the ROMs.

Supported are:

1942 (Revision B) 1942
1942 (Revision A) 1942a 1942
1942 (Revision A, bootleg) 1942abl 1942
1942 (First Version) 1942b 1942
1942 (Williams Electronics license) 1942w 1942

This new release has been compiled using an updated toolchain such as DevkitARM R32 and updated libraries such as libNDS0 1.5.0+. This standalone emulator is now also compatible with CycloDS iEvolution B6 in DSi mode.

Thanks to http://www.nintendomax.com/viewtopic.php?t=13314&f=19 and http://www.emucr.com/2011/05/ds1942-v13.html for the news.