扩展int13h调用详解(修正)

      01BD  |                                                |
      01BE  |------------------------------------------------|
            |                                                |
      01CD  |             分区信息  1(16字节)                |
      01CE  |------------------------------------------------|
            |                                                |
      01DD  |             分区信息  2(16字节)                |
      01DE  |------------------------------------------------|
            |                                                |
      01ED  |             分区信息  3(16字节)                |
      01EE  |------------------------------------------------|
            |                                                |
      01FD  |             分区信息  4(16字节)                |