Ŀ
 Presents
  ڿĴ VMag, Issue 2, 1 June 1998
  

 Nutcracker.AB0: ⠪  ADinf...
---------------------------------------


                த  ⢮     묨
ਥ      ⬠,   ॠ묨         ᥬ⢠
Nutcracker. ,     ᥬ⢠    
 ᫮,   Nutcracker.AB2  ⠢  ..ᯥ᪨
 ᫮  ஥    ᫥ Zhengxi.


.

        ଠ쭮  Nutcracker.AB0  㧮  (⮢)
ᮬ,  ࠦ騬    㧮    (MBR)  
㧮  (BOOT)  ᥪ  ᪥.        ⭥ 
⥣ਨ   祭      ᮢ,   ..   ᮬ     
ᬮ७            砫  .
᭮  ᮡ             ᯮᮡ
뢠    㦥    ⨢ᮬ-ॢ஬   ᪠
ADinf  ⮢.   祬  ⮣  ᯮ   -
  ,  ࠢ  ⭮  ⨢  ⬠ ஢ப
᪮,  ॠ    ADinf,     ਣ  ⮤   ᮪
(⥫஢)    MBR    ᮬ.   ਬ⥫
          䠪,             
⥫஢  ᮢ    ᯥ樠쭮    .⮢   ADinf
 11.03  ५ 1997 ,  室  ᠭ  ⬠,
ॠ    ,   ᠬ     뫮  ""
    -  1995  .  ..  1.5  짮⥫
ADinf  (    ⮫쪮  )  室  ஧  
  ,    祬-    ⮬  䠪  .⮢   ""
㯮   㬥樨   ᢮ ।  ᨨ ADinf...  , 
, ⠢     ᮢ...


⠪  ADinf:   ࠡ⠥?..

        ᮡ          ᮪
᪠  MBR    ஢  Int  15,      Int  13,   設⢮
㧮   䠩-㧮 ⥫-ᮢ.   ᪠  
⥫஢  ஢  Int 13 ⮨  ᫥饬: , 室  
,  ⢫  墠  Int  13/Fn=2  (⥭  ᥪ)  
⪥    ஢  MBR  ⠢      ⥭
ਣ ,  ⠪ ࠧ  뢠 ᢮  稥  .
ਭ樯  ࠡ  ॢ  ᪠  ADinf  ⮨    ⮬,  ஢ઠ
ଠ樨   ᪠ ⢫   ஢  BIOS Int  13,   
   ᢮ ⢨, ..    ࠡ稪
      ।   ࠢ,        㦨
⥫-        稨    !     
  祭    ADinf'  ᬠਢ  ?  
ᯮ  ⥫஢ ᫥騥 "" 樮 ⥬:

-    ⮬,   ࠡ稪  Int 13  BIOS ।  砫 樨 
  ᪮, ਭ஬   .  뢠 뢠  Int 15/Fn=90 (
  ன⢮).      砭 ࠡ⪨  - Int  15/Fn=91.   
  맮  뫨  ।ᬮ     樮 ⥬,
  ⮡    ६  ࠡ⪨  饭    樮 ⥬
  ᬮ ந  ⢨. 뢠   뢠
      饭    .  ᮬ  ⢫  墠
    ⥬  맮    ⢫  ⥫஢,   
      ⠢  ""     ⥭ 
   饭  BIOS (஡ . ࠡ稪 Int 15).

- ᯮᮡ ஢ MBR,    ஢   ADinf
      㧪    ⮩  ⥬  ᪥,   ਢ 
  - ஡   ࠡ  ᪮   ஢ DOS  (஡
  . ஢ MBR).

- ᯮᮡ   ᮧ   १⭮   ,     㦨  ADinf
  (஡ .  ⭠ ).


㧪  ஢ ᪠.

        ஢  MBR  ᮬ  ந室  ⮫쪮     ⪥
㧨  ᪥,   ஢ BOOT ᥪ஬.   ⮬ 砥
ந ᫥ ᫥⥫쭮 権:

-  稪  ஢:         (
  ⮬ 砥      0:87  㤥   祭 7B), , 
  稨    १⭮   (   ந,  ᫨ 
  㦥    ࠧ  ⠫  㧨    ஢ ᪥ 
  ᫥ 뤠 ᮮ饭   㧮筮 ᪠   㧮
      ,      﫨 㧮   ⠢
  ஢      ந諠  ୠ  ⪠  㧪  
  ஢  ᪥)  ஢뢠  (NOT)    뤠   ࠭
  ᮮ饭:

  Non-system disk or disk error.
  Replace and press any key when ready.

  ᫥ 祣           뢠 Int  19h 
  ୮ ⪨ 㧪.

-  砥 ⢨   १⭮   ⠥   ᪠
  5   ᥪ஢    ᢮    ,   室饣        ⠭⭮
  ଠ஢  ୮  ஦  ᪥      ୮
  樫     7c00:0 ,  砥  ᯥ譮 ⥭,
  । ࠢ  ᢮  .  訡 ⥭,   ⠥
    2  ࠧ        ᪥
  ᭮   ந    ᫥⥫쭮  ⢨,   
   㦥   ᢮ ⨢  (.).

- 稢 ࠢ, ᭮   ந ⥭   
  0:7c00   ਣ쭮 稪  ( 訡  뤠 ᮮ饭
  "Non-system..."      ..    [.])   ⥬       ६
  墠뢠 Int 15,  樨 맮 Int  13/AX=201  ⠥  MBR
  ࢮ  ,  ।⥫쭮  ࠭  㪠⥫    ⥪,
  ⮡      ⥫஢    ஢  Int 15.  
  ⢨  㪠        㪮 ᨣ 
  ।    ࠢ    ਣ쭮    稪.    ᫨    
  BIOS-ࠡ稪 Int  13 뢠  । 砫  樨 ⥭ MBR
  Int   15/Fn=9000,         맮   墠⠢   ᮬ,
   ࠧ   ⥪騬 祭 ⥪  㪠⥫ 
            ᬥ饭           
  BIOS-ࠡ稪  Int  13    ⥪  ⭮⥫쭮 祭 ⥪
  㪠⥫    맮  Int  15/Fn=9000.  ᫥ ⮣  ⥪ 
  祭 201  (祭 -  AX   室   Int 13)   200 (᫨
  BIOS ࠭  ⥪ ⮫쪮  ࠡ뢠 㭪樨)   ⠪
    ⭮⥫쭮 ᬥ饭. ᫥ ⥭ MBR,  
  ⠭ ਣ Int 15.

-  ந  ஢ MBR ࢮ    
      ஢  (.  ⢨ ), 
  ⠪   砥 宦   ⥪   ࠡ⪥  Int 15/Fn=9000
  ᬥ饭    ࠭塞  BIOS'  ஬  ࠡ뢠   㭪樨
  ।  ࠢ    ਣ  㧮      뤠祩
  㪮 ᨣ.    砥, ᫨    㦥  ஢,
      ਣ   祭  /樫   砫
  ⨢    ࠧ    ,     ࠭    ᮬ     
  ᥢ-㧮筮 ᥪ.

-  ᯥ譮  ஢    砥, ᫨ MBR   㦥
    ࠦ,    ନ      0:4F1  ᥣ
   室   ᮡ⢥ ࠡ稪 Int  8 (⠩), Int  40
  (樨   ᪥⮩)   室   ਣ   Int 15, 
  ⥬  墠뢠  Int  8    Int  40,  ⠭   
  ନ஢   室.

- । ࠢ  ਣ  稪.


஢  㧮筮  (MBR).

            Nutcracker.AB0  ਬ  ⮤  ஢  MBR
   ᯮ짮         Starship,      騩  ᢮
ᮡ. ஢ MBR ந室 ᫥騬 ࠧ:

-     ⠥   ᮤন  MBR,      ࠧ   ᪠
  (Partition  table)    ࠧ,  祭   㦠  
   ⠥ ⨢ BOOT ᥪ.

-    ஢  BOOT  c    ஢ , ᫨  㦥
  ࠦ, ४頥   ஢ ,   ⨢
  砥    ஢  㯭  ᫥  5 ᥪ஢ ࢮ
    ⥭/   砥 ᯥ 뢠   BOOT
  ᥪ  ७    㧪 ᭮ ᭮  ⥫,
  室饣  ᫥ ᥪ,  ᠬ ᥪ ᭮ .  
  ࠦ   ᥢ-BOOT   ᥪ        ਣ
  祭  -  砫  ⨢  ࠧ/  砫
  ⨢      ⠭   ࠬ  ⠭
   MBR  ஢ ᥢ-BOOT ᥪ.

-    ᪮४஢  MBR    .    稨  IDE   
  ந    MBR  ⥬  ।⢥   ணࠬ஢
  ⮢ .


஢ 㧮 ᥪ஢ ᪥.

        ஢ ᪥  ந   ⥭ BOOT-ᥪ  
䨧᪮ ᪮ A:  B:.  ⮬ 砥:

- ᮬ  祭 ୮ ஦ ᪥  (⢮
  ஦+1);

- ନ   ⠡    ଠ஢  ஦,  祬   
  砫쭮 ᥪ   ଠ஢ 롨ࠥ 砩  ࠧ
   ᨬ  祭 ⠩;

- ଠ (Int 40) ୠ ஦ ᪥;

-   뢠 ᭮ ⥫;

-    砥  ᯥ譮  믮    㪠  ⢨    MBR
  뢠    ᭮   稪,  ந饣   㧪
  ᭮  ᭮       ⢫饣  ।     
  ࠢ.


⭠ .

              ⫨稥    設⢠ 㧮 ᮢ
  १    ।,           .   
ᮡ      㦨    ⢨  ࠢ
㯭   㧪   DOS 祭     ॠ (
 ஢ન ॠ   ADinf). 祬    ⠢
१⭮        UMB,  ।塞  맮 XMS-ࠩ.
祬    ਬ ⠪ 뢠 (..ᯥ᪨)  ⮤
"ࠧ᪮"  १.    砥    ᫥饬:  
  ᮡ⢥    ।    (MCB),   
 ᮡ⢥     ।饬, ⠪  ࠧ "ࠧ"
   뢠 ᢮ ⢨  .


ࠡ稪 Int 8 (⠩).

           ࠡ稪   ᯮ   ᮬ     믮
᫥ ⢨:

-    ⠯  㧪  DOS    ""  ⠭  DOS-஢  
  ६ 墠뢠 Int 21.

-  ﭭ ஢   2  砫 ࠡ稪 Int  15
   ᮮ⢥⢨ CD,7E (Int 7E)   砥  ᮮ⢥ᢨ  뢠
  㤠    ,  ࠭  ਣ  2      ᮡ⢥
  .  ᮬ ⠪ ஢ ᬥ  Int 15, ,   砥
  ᬥ  ᫥,    ⠭   2  "ண"
  ࠡ稪   Int   15,             ந
  襯ந .

-    ⠯            ࠭   饥
  ࠦ  "ਪ"    㪮  ࠦ饣    ࠥ ࠭ 
   㪢.


ࠡ稪 Int 15 (ࢨ AT).

          ࠡ稪  ⮣  뢠  믮   ᫥騥
㭪樨:

- ᮬ  墠뢠 뢠  Int 7E,     ࠡ稪
  Int 8  뢠   砫 ࠡ稪  Int 15  맮 Int 7E, ⠪
  ࠧ,  맮 Int 15    뢠 Int 7E,  .. .
    ਥ    ᪫    맮   ᭮
  ࠡ稪 १  Pushf/Call Old_Int15_Handler,  ᫨ Int  15 㤥
  墠祭 ᫥ 墠 Int 15 ᮬ, ..   ࠡ稪
  Int 15 _ᥣ_ 砥 ࠢ .

-  ࠡ뢠 맮 Int 15/Fn=9000,9001,9100,9101  (open/close
  device hard disk/floppy disk).    㭪樨 뢠 BIOS  
  ࠡ⪥ 뢠 Int  13/Int 40.   ஢: ⢫
   맮   㭪権  BIOS'   ࠡ⪥  ७
  맮  ,  ᫨  ,     ।  ࠢ     ਣ
  ࠡ稪 Int 15h, 室騩  BIOS, ..   ⨢
   墠 Int 15h ⨢묨 ࠬ.

- ᮬ ⠪  ࠡ뢠 맮 㭪樨  4F (get scancode),   
  砥  㦥    樨  Ctrl-Alt-Del  
     ஢      ᫮           
  ⢫ 믮 ᪮  (. ).

-  ⠭  2   ࠡ稪 Int 15   뢠
   Pushf/Call Old_15h_Hanler.  ..,  砭  ࠡ⪨ 맮
  Int  15  ""  ࠡ稪  ࠢ  ᭮ 砥 
  .

- ᫨  ⢫ 맮  㭪樨 9000  襭 ७  䫠,
      ஢  宦    ⥪   ᫥  ⠯
  㧪 ᬥ饭 (. 㧪  ஢ ᪠) 祭  2
   3,  .. ᫨  BIOS ࠡ뢠   ⥭/,  
  ⠢, 室   ᫥   ⠯  㧪 ᬥ饭, 
  ⥪        BIOS-ࠡ稪  Int  13    ᢮  
   ७ 䫠, ⮡ ᪫ ࠡ   樨
    ,  BIOS   ࠢ  ࠡ稪 Int  13
    .

-     祭    ࠢ           ஢:
  ந       樨     ஢   MBR  ࢮ
    ,  ᫨  ,  ⢫  ୮  ࠦ   (
  )    ⥫஢  砫  ⨢  ࠧ   partition
  table  (  ⥭),  ⥬  ।  ࠢ   ਣ
   .


ࠡ稪 Int 40 (樨  ᪥⮩).

- 믮 맮 ਣ쭮 ࠡ稪;

-    砥  ᡮ  믮  ஢:  뫠   㭪
  ⥭/  ,   ᫨  ⠪,   ஢  ⥬   ६     
  ।   (쭮   )   ⭮   ⨢    
  ࠡ稪 Int 8  ࠦ "饣 ਪ",   ⠪
   ६ ⨢樨;

- ᫥   ⮣  ஢  ᪥     ࠦ  ,     砥
  室,  


.

-   ࠭ 饣 "ਪ"  㪮 ࠦ饣  
  ࠥ  ࠭      㪢  (.  ࠡ稪 Int 8).  
  ०  ࠡ    ᫥  ⨥ 짮⥫ 樨
    Ctrl-Alt-Del      砥,  ᫨   "᪠" ਪ
  諮   5 ,  ⪫砥    ࠥ   100
  ᥪ஢      ᪨  ᪠.         
  ந    㦥       ,  뢠   
   砫 ᮡ⢥ , ,   㦥 㦥.

-   7- ५      㧪   ஢  ᪠
   ஢뢠  뢮  ࠭ ᫥騩 ⥪:

  SUPERUNKNOWN was done by Lord Nutcracker(AB0).

  ⥬      த 㧪 ⥬.


樠쭮  LMD, Nice aka Psychomancer // SPS06.
                     2:454/5.9@FidoNet
