What's this "GNU" All About, Eh?

GNU Project Home Page
FSF and GNU inquiries
Contacting the FSF

Official Stuff

TI-83 Plus Software Development Kit
This site by Texas Instruments gives you access to all the materials you need to create applications.
Download TI-83 Plus SDK Guide
Lots of highly useful information about the system architecture and how to create applications.
Download System Routine Documentation
A manual on all :/ the b_call()s.
Undocumented TI-83 Plus Features
A bunch of interesting stuff that TI did not go out of their way to provide. Stuff on undocumented system routines, monitor vectors, etc.
Z80 User's Manual
The official manual from those Intel renegades, ZiLog. Interesting, but not much to learn from. Apparently contains a lot of errors.
Main Site

Various Forums and Sites

United-TI (Main site)
Detached Solutions (Main site)
Maxcoderz (Main site)
Greenfire Programming
TI Technology Discussion Groups (Main site)

This is part of Learn TI-83 Plus Assembly In 28 Days
Copyright (c) 2002, 2003, 2004 Sean McLaughlin
See the file gfdl.html for copying conditions