For a long time programming for the Nintendo Game Boy Advance has been difficult and has only been done by a few chosen professionals. But now, thanks to the HAM Cross Compiler, its gotten a lot easier. Even I can do it! For a Beginner's guide and simple tutorials go to http://www.aaronrogers.com/ham/Day1/day1.php , and for more advanced (and a thousand times more difficult) knowledge go to www.jharbour.com
So hurry up and get started!!!
Oh and if you get stuck somewhere feel free to consult me.
"A single conversation with a wise man is better than ten years of study."