I found an old code tutorials on inactive forums. I save an old code tutorials, that you know using too.
http://wolf3dfanboys.forumotion.com/f9-old-topics-from-other-forums
http://wolf3dfanboys.forumotion.com/f9-old-topics-from-other-forums
A friendly Wolfenstein 3D community, about Wolfenstein 3D, the game that gave birth to first person shooters...