INT 67 - LIM EMS 4.0 - ALTER PAGE MAP AND JUMP
        AH = 55h
        AL = subfunction
            00h physical page numbers provided by caller
            01h segment addresses provided by caller
        DX = handle
        DS:SI -> structure containing map and jump address
Return: (at target address unless error)
        AH = status (see below)
SeeAlso: AH=56h

Values for status:
 00h    successful
 80h    internal error
 81h    hardware failure
 83h    invalid handle
 84h    undefined function requested
 8Ah    invalid logical page number encountered
 8Bh    invalid physical page number encountered
 8Fh    invalid subfunction

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