Resources
AtariAge - Atari 2600 Programming:
http://atariage.com/2600/programming/index.html
8bitworkshop:
http://8bitworkshop.com
SpiceWare:
http://spiceware.org/atari.html
MiniDig:
http://www.qotile.net/minidig/
6502.org:
http://6502.org/