msxDS, the MSX/MSX2/MSX2+ emulator for the DS/DSi made by Popolon, has been updated to version 0.91. See the change log for what's new, and be sure to check out the project page for more information about this project.

QUOTE(Change Log 09/24/11)
•New management of buttons that allows to configure X and Y. (Push Y to use the radio in Metal Gear)
•Fixed the VDP status register 4.
•Adding the options menu.
•The using the paddle controller is possible with your softwares.
•Added ASCII paddle controller emulation. (used in Break Out)
•Fixed LDIR & LDDR instructions of the z80. (Goody, etc, work now)
•Taking into account of CE bit of the status register 2 of VDP before a disk access. (Improved compatibility with floppy disks.) (Undeadline, Fray, etc, work fine now).