Probably, but you'd find VGBA would do it much smoother. Smoku you are far and away my favourite person on this forums. Good luck on the port and I await a decent version with patience (I'm only half way through FF7 so take your time :P)

EDIT: Also, being a pretty heavy DS user back in the day, I'd say the suggestion earlier would be spot on. 2x zoom for the top screen only as the bottom screen is far less important for most games. (512 and 256)x576 if my math is correct should fit half decent)