This demonstration consists of two programs, CADEMO.BAT and RCDEMO.COM.
CADEMO requires a CGA, EGA, MCGA, or VGA graphics adapter.  VGA is required
for 256 color mode.  RCDEMO does not require a graphics adapter.  It will
generate monochrome displays with and IBM MDA or compatible card, such as
the Hercules Graphics Card.  It will generate color images on computers
equipped with CGA, EGA, MCGA, or VGA color graphics adapters.