Roll 'Em

                   An Extend-O-Save Module for Warp 9

                      ½ 1993 CodeHead Technologies
                            By John Eidsvoog


Roll 'Em requires Warp 9.  It works in all resolutions on all monitors. 
The original idea for Roll 'Em was to create a module which would do
something interesting without requiring the reserving of extra memory for
a screen buffer.  It works by saving two scan lines of screen data and
then copying each of the rest of the screen lines one line up or down to
scroll the screen by one pixel. 

The concept does work, but the problem is that when you want to return to
normal operation (by moving the mouse or hitting a key), you may have to
wait a little while for the screen to scroll back to its original place. 
To avoid this, Roll 'Em allows you to configure it to use a screen buffer. 
It will then snap back immediately when you pop out of the screen saver,
but the penalty is that you have to use extra memory equivalent to the
size of the screen (32000 in ST modes, 153600 in TT and Moniterm modes). 
When you answer "Yes" or "No" for screen buffer preference, the
configuration is saved directly into ROLL_EM.EXT (make sure you don't
rename the file). 

Enjoy!