vga_tetris: written by Adam P. Jenkins except for:

Pieces.cc: Adapted from Mike Taylor's tetris for terminals.

The gamelib library, under the gamelib subdirectory: Written by Brad Pitzel.
  I adapted it slightly from his sasteroids game, available on sunsite and 
  sunsite mirrors.  I also added several classes to it, namely
  
  DisplayBox
  InfoBox
  MsgBox
  Menu
  Mouse
  DIBImageLoader
