INT 33 - Smooth Mouse Driver, PrecisePoint - INSTALLATION CHECK
        AX = 3000h
Return: AX = FFFFh if installed
            BX = version number (BH = major, BL = minor)
Program: SMD is a programmer's library by Andy Hakim which provides a
          graphics-style mouse cursor in text mode.  PrecisePoint is an
          SMD-based TSR which replaces the block mouse cursor in text
          applications.
SeeAlso: AX=3001h,AX=3003h