egVGAOn()

         Installs the Color Subsystem

    Syntax:

         egVGAOn() -> lInstall

    Description:

         This must be the first function to invoke when you want to use
         special effects on the VGA DAC because activates the internal
         tables to control the Timer and the DAC.

    Return:

         Returns .T. if the installation has been succesfull or .F. if
         an VGA has not been found.

    Example:

         If egVGAOn()
           ? "System installed"
         Else
           ? "System not installed"
         EndIf