SetFontChar()

         Changes a single character font

    Syntax:

         SetFontChar( cString, nChar ) -> Nil

         cString : A 16 byte string with the new character font
         nChar   : An Ascii number indicating the char to change

    Description:

         It changes the pointer to the BIOS zone, where the character
         font is placed.  A new character font is placed in memory and
         used.

    Return:

         Nothing.

    Example:

         cNewA := Replicate( Chr( 255 ), 16 )
         SetFontChar( cNewA, Ascii( "A" ) )    // the "A" will be a "#"