Some screen modes[1] like screen 9 actually had page flipping as an option. You could write to the "back" screen buffer and then switch which buffer was shown.

Some screen modes[1] like screen 9 actually had page flipping as an option. You could write to the "back" screen buffer and then switch which buffer was shown. I used that to make a poor man's strobe light. I really miss the simplicity of QBasic sometimes. [1] http://www.qb64.net/wiki/index.php/SCREEN_(statement) http://www.qb64.net/wiki/index.php/SCREEN_(statement)