INT 62 u - FGDRIVER v3.03 - "FG_GETXPOS" - GET GRAPHICS CURSOR COLUMN
        AX = 0045h
Return: AX = screen space X coordinate of graphics cursor position
Note:   For FGDRIVER v1.10, this function was "FG_RESIZE" (see AX=0082h);
          "FG_GETXPOS" was AX=0021h
SeeAlso: AX=0047h,AX=0068h,AX=0069h

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