INT 2C P - RM386 v6.00 - CLOAKING - GET BASE ADDRESS OF GDT SELECTOR
        AX = 000Ah
        SI = selector
Return: CF clear if successful
            EBX = segment base address
        CF set on error
            AX = error code (see AX=0000h)
Program: RM386 (RAM-MAN/386) is the memory manager included in Helix Software's
          Netroom
SeeAlso: AX=0000h,AX=0002h,AX=000Bh

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