INT 10H 1008H: Read Overscan Register

                                                          Compatibility: VGA 
 Expects: AX    1008H
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 Returns: BH    current rgbRGB value of the overscan/border register
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    Info: This obtains the current value of rgbRGB of the VGA overscan
          (border) register.  See INT 10H 1000H and EGA I/O Ports for info
          on rgbRGB palette register settings.

See Also: INT 10H 10H: EGA/VGA Palette Functions
          INT 10H: Video Services
          EGA/VGA Data Areas
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