http://users.colloquium.co.uk/~fraser_gj/index.htm.
Some old 'original' Software of classical character can be found at the following link:
All sort of video games (classic 8bit) http://www.cm.cf.ac.uk/Games/.
windows dig dug... infos http://www.owlnet.rice.edu/~dgb/museum/remakes.html. page of komkon http://www.komkon.com/pub/emul8/. games http://happypuppy.com/. http://www.8bit.com.
Mototola (800-668-6765) or +1-708-576-5000.http://www.civil.mtu.edu/chipdir/8051.html.