Go to ti.com and check out ti86asm.inc, ti86abs.inc, ti86ops.inc, and ti86math.inc. There is alot of stuff that is not in there but I think it will help you if youre not trying to do too much. Some of it is commented, however some of it is not. You can check earlier on this list for explanations of alot of commands and we could help you with explanations of commands you still don't understand.