HELP!!! I use DJGPP and want to use the assembly tutorial in Tricks of the game programming gurus, but it uses MASM and DJGPP uses AT&T syntax. What I want to know is where can I find a usefull tutorial for AT&T assembly.

You can find AT&T asm tutorials on www.delorie.com

I found this link on delorie.com, and there is a few more links to i guess...
http://www.castle.net/~avly/djasm.html