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b_vmode()


Syntax:     b_vmode()

Purpose:    Detect current video environment

Arguments:  None

Returns:    A numeric value

            1  MDPA Monochrome Display Adapter
            2  CGA  Color Graphics Adapter
            3  EGA  Enhanced Graphics Adapter
            4  MCGA MultiColor Graphics Array
            5  VGA  Video Graphics Array
            6  HGC  Hercules graphics cards

Library:    MICROSYS.LIB

----------------------------------- Example ----------------------------------

   if( (vid_mode := b_vmode()) != 5 )
      qout("VGA required to run this program!")
      quit
   endi