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 ISEGA() 

          Determines if the current screen is driven by an Enhanced Color
          Graphics Adapter (EGA).  Adapters which are supersets of the EGA
          standard should be tested for VGA compatibility first.  A VGA
          emulating an EGA will not return indicating an EGA is attached.
          Returns a logical true (.T.) or false (.F.) indicator.


      Format: 

               isega()


      Parameters: 

               None.


      Examples: 

               1.   Determine if the current monitor is an EGA.

                    .
                    .
                    .
                    if isega()
                         (do fancy stuff)
                    endif
                    .
                    .
                    .


      Returns: 

               .T.  .....Indicates that the current screen is an EGA type.

               .F.  .....Indicates that the current screen is not an EGA
                         type.


      Cautions: 

               None.