 II  ⥬ ணࠬ஢
-----------------------------------------------------------------

 4   ⥪ ⥬
-----------------------------------------------------------------

 ᢮⢠ ⥪  i486 ᯮ ⮫쪮
⥬묨 ணࠬ⠬.    ᮤন  
᢮. ਪ ணࠬ⠬ ⠪  
   ᫥騥 , 뢠騥 ᢮⢠
⥪ ,   ⮣,  
।⢠ ᯮ ⥬묨 ணࠬ⠬  ᮧ
  饭 । ࠧࠡ⪨ ਪ ணࠬ.
⥪ ⥬ ஢ ⠪ ন 
⫠ ।⢠, 㯭 ਪ ணࠬ⠬ 
ࠧࠡ⪥ ணࠬ.

⢠ ⥬ ஢ ⥪   
ᥡ:

     ࣠ 
     
     筮
     /뢮
     ᮡ 樨  뢠
     樠
     ୠ  ୠ ࠡ⪠
     ⫠
     ࣠ ஢ 

 ᢮⢠ ন ॣࠬ   ,
ᬠਢ묨  ᫥ ࠧ. 祭  
⮨   ⮬, ⮡ ஡    
᢮,   ⮬, ⮡   ᯥ⨢ ࠧ饭
饭  ਠ    II.  㯮 
  ॣ஢   ࠧ   ᭥  뫪
  ᠭ    ᫥ .

4.1  ⥬ ॣ
-----------------------------------------------------------------

, ।祭  ᯮ짮 ⥬묨
ணࠬ⠬,   ᫥騥 ⥣ਨ:

      䫠 EFLAGS
      ࣠樨 
     ࠢ騥 ॣ
     ⫠ ॣ
     ⮢ ॣ

⥬ ॣ ࠢ ।,  ன ந室
믮 ਪ ணࠬ.  設⢥ ⥬  
⨬ ॣࠬ  ਪ ணࠬ 饭 ( 
஥  ⠪ ⥬,    ணࠬ ࠡ 
 ਢ஢ ஢,  砥 
㯠  ⥬ ॣࠬ   䨪  ਪ
ணࠬ).

4.1.1  ⥬ 䫠
-----------------------------------------------------------------

⥬ 䫠  ॣ EFLAGS ࠢ /뢮,
᪨㥬묨 뢠ﬨ, ⫠, ४祭 
砬,  ⠪ 㠫 ० 8086. ਪ묨
ணࠬ  䫠  ஢,  ⪨
䨪樨  ﭨ  ਪ ணࠬ ⨬. 
設⢥ ⥬ ⪠  ⥬ 䫠 
ਪ ணࠬ ਢ   ᪫祭 (ᮡ
樨).    㭮 4.1.

AC ( ஫ ࠢ  ,  18)

⠭ 䫠 AC   AM  ॣ CR0 ࠧ蠥 ஫
ࠢ  饭  .  砥 饭 
ࠢ ࠭  , ਬ  ࠭ ࠧ஬ 
᫮  ⭮     ࠭ ࠧ஬ 
 ᫮   ,  ⭮ ६,
 ᪫祭 ஫ ࠢ. ᪫祭
஫ ࠢ  ⮫쪮  ० 짮⥫
(஢ ਢ஢ 3). 뫪  ,  㬮砭
騥 ஢ ਢ஢ 0, ⠪  㧪
ਯ ᥣ,    ᪫祭  
 ,   뫬 믮  ० 짮⥫.

뢠 ஫ ࠢ   ᯮ짮 
஫ ࠢ   .  ।⢮  
   묨  㣨 ࠬ, ਬ, 64
-ࠧ來 ய஬ i860,  ॡ ࠢ
 ࠡ뢠  . 뢠 ஫ ࠢ
 ⠪ ᯮ짮 ࠬ  ⮣, ⮡
⬥  㪠⥫  ᯥ樠, ७ 訢
 ⮣ ࠢ  㪠⥫.  ᠬ ⯠
室 ஢  㪠⥫  ᪠ ᪮ 
ࠡ뢠 ⮫쪮 ᯥ樠 㪠⥫, ᫨   ⠪
ᯮᮡ 祭.
Ŀ
                                                                 
                           1 1 1 1 1 1 1 1 1                     
 31                        8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 
Ŀ
                                 
0000000000000AVR0NI OODITSZ0A0P1C
             CMF TP LFFFFFF F F F
                                 
ٳ
                                                          
   ஢ઠ ࠢ                                
    ० 㠫쭮                               
    8086                                          
                                  
                                
   ஢ ਢ -뢮                         
   襭 뢠                   
    誨                  
                                                                 
                                                                 
 1  0  , १ࢨ஢ ମ Intel         
  ॣ  ᯮ,   祭 ᥣ ﭭ 
                                                                 


                  㭮 4-1. ⥬ 䫠

VM (㠫 ० 8086,  17)

⠭ 䫠 VM ॢ   㠫 ० 8086,
 ஬ 㫨 । ணࠬ஢  
8086.  ஡ ଠ ਢ   23.

RF ( ,  16)

 RF ६ ⬥ ⢨ ⫠ ᪫祭,
⮬ ᫥ ⠪ ᪫祭   믮 㣠
    ਢ   ஢ 㣮
⫠筮 ᪫祭.  室  ⫠稪  䫠
ᯥ稢  ଠ쭮 㭪樮஢;  ⨢ 砥
⫠稪 믮  ४ᨢ 맮 ᠬ ᥡ   ,
  ந諮  ९ ⥪.  POPF  䫠 RF
⢨  뢠,   POPFD  IRET  
ﭨ ⮣ 䫠.  ஡ ଠ ਢ 
 7  11.

NT (  ,  14)

 ᯮ 䫠    ࠢ
᫥⥫쭮 믮 ࢠ  맢 .
 NT 뢠 ﭨ  ࠡ  IRET.  POPF,
POPFD  IRET   ﭨ 䫠 NT. 
 ﭨ  䫠  ਢ  樨
 ᪫祭  ਪ ணࠬ.  ஡
ଠ    .   7  9.

IOPL (஢ ਢ /뢮,  12  13)

஢ ਢ஢ /뢮 ᯮ 堭
  ࠢ 㯮  ᭮ ࠭
/뢮. ஢ ਢ஢ 믮塞  ⥪騩
  ᥣ (CPL)  IOPL ।,  
   ஢  POPF, POPFD  IRET.
 ஡ ଠ .   8.

IF ( ࠧ襭 뢠,  9)

⠭ 䫠 IF ॢ   ०,  ஬ 
⢥砥   ᪨㥬 뢠 (뢠 INTR).
⪠ 䫠 IF ⬥  뢠.  IF  뢠
⢨  ᮡ 樨  ᪨㥬 (NMI)
뢠. CPL  IOPL ।,     
஢  CLI, STI, POPF, POPFD  IRET. 
஡ ଠ  뢠 .   9.

TF ( 誨,  8)

⠭ 䫠 TF ॢ   ० 蠣 ࠡ
 ⫠ ணࠬ.  ⮬ ०  ᫥ 믮
   ⫠筮 ᪫祭,  
  ⥬,  믮   ணࠬ.
蠣 믮 ।⠢ ᮡ   ⫠
।  i486. ᫨ ਪ ணࠬ ⠭
   POPF, POPFD  IRET 䫠 TF,  
⫠筮 ᪫祭.  ஡ ଠ .   9
 11.

4.1.2   ࠢ 
-----------------------------------------------------------------

   㭮 4-2,  ॣ  i486
 ᯮ  ,  ࠢ
࣠樥 ᥣ஢ .  㧪  ࠭
 ॣ஢  ᯥ樠 .  GDTR  IDTR
  㦥   ,   
-⮢ .  LDTR  TR   㦥
  , ਭ  ⢥ ࠭ 16-⮢
ᥫ ᥣ. ⥬ ⠫   ॣ஢
㦠 ஬ ⮬᪨  ਯ,  
뫠 । ࠭.

設⢮ ⥬ 頥 , 㦠騥 ॣ
࣠樨   ᯮ짮  ਪ ணࠬ
(   ⥬,   ⠪ த ).

 ⠡  ਯ஢ GDTR

 ॣ ᮤন 32-⮢    16-⮢
࠭ ᥣ  ⠡  ਯ஢ (GDT). 
뫪      ⮣, ⮡  ਯ
ᥣ  GDT  LDT ᯮ ᥫ ᥣ.
ਯ ᥣ ᮤন   ᥣ.
஢ ᬠਢ   5.

 ⠡  ਯ஢ LDTR

 ॣ ᮤন 32-⮢  , 16-⮢
࠭ ᥣ  16-⮢ ᥫ ᥣ  ⠡
 ਯ஢ (LDT). ,  ᮤন LDT,
 ᮮ⢥騩 ਯ ᥣ  GDT. ਯ
ᥣ  GDT  .  뫪    
 ⮣, ⮡  ਯ ᥣ  GDT  LDT
ᯮ ᥫ ᥣ. ਯ ᥣ ᮤন
  ᥣ. ஢ ᬠਢ  
5.


       ⥬ ᮢ

         32-⮢ 
                        ࠭
      47                      16 15          0
      -----------------------------------------
  GDTR |                         |             |
      -----------------------------------------
  LDTR |                         |             |
      -----------------------------------------

     ⥬    ਯ஢ (⮬᪨ 㦠)
     ᥣ
     ॣ
      ___^__      _______________________^_______________________
     /      \    /                                               \
                 32-⮢  32-⮢ ࠭  ਡ
     15       0          ᥣ
     ----------  -------------------------------------------------
  TR  |ᥫ|  |                  |                  |  |   |  |
     ----------  -------------------------------------------------
  IDTR|ᥫ|  |                  |                  |  |   |  |
     ----------  -------------------------------------------------

            㭮 4-2.  ࠢ 

 ⠡ ਯ 뢠 IDTR

 ॣ ᮤন 32-ࠧ來    16-ࠧ來
࠭ ᥣ  ⠡ ਯ஢ 뢠. 
ந室 뢠,  뢠 ᯮ  ⢥
  祭   ⠡ ਯ .
᫥ ᤥন 㪠⥫, ᯮ㥬  ᪠
ࠡ稪 뢠.  ஡ ଠ  堭
뢠 .   9.

  TR

 ॣ ᮤন 32-ࠧ來  , 16-ࠧ來
࠭ ᥣ, ਡ ਯ  16-ࠧ來 ᥫ
ᥣ  ⥪饩 믮塞 .  ᮤন 뫪 
ਯ ᥣ ﭨ  (TSS), 室騩 
⠡ 쭮 ਯ.  ஡ ଠ 
।⢠ ⨧筮  i486 .   7.

4.1.3   ࠢ
-----------------------------------------------------------------

 㭪 4-3  ଠ ࠢ ॣ஢ CR0, CR1,
CR2  CR3.  設⢥ ⥬ 㧪 ࠢ ॣ஢
 ਪ ணࠬ  (  饭 ⥬
⠪ 㧪 ࠧ蠥). ਪ ணࠬ 
 뢠  ॣ  । 
⥬᪮ ᮯ.  ࠧ 
MOV  㦠 ࠢ騥 ॣ  ॣ஢ 饣
祭,  . ਬ,

     MOV  EAX,  CR0
     MOV  CR3,  EBX

 CR0 ᮤন ⥬ ࠢ騥 䫠, 
ࠢ ०  㪠뢠  ﭨ  
楫,   ⭮⥫쭮 믮  . ணࠬ
    ﭨ - ⮢ 
१ࢨ஢ .  १ࢨ஢  ᥣ
 ⠭   ﭨ, ஥   ࠭
 뢠.


31          23            15             7       3       0
-----------------------------------------------------------
|    ॣ ࠭筮   |           |P|P|       |
|       ⠫ (PBDR)           |           |C|W|       | CR3
|                                 |           |D|T|       |
-----------------------------------------------------------
|              ᡮ ࠭                 | CR2
-----------------------------------------------------------
|                     १ࢨ஢                     | CR1
-----------------------------------------------------------
|P|C|N|         |A| |W|   १ࢨ஢     |N|E|T|E|M|P| CR0
|G|D|W|         |M| |P|                       |E|T|S|M|P|E|
-----------------------------------------------------------
     29         18  16

               㭮 4-3.  ࠢ騥 ॣ

 LMSW  ஢ ⮫쪮 訥 16 ⮢
ॣ CR0.

PG (窠 ࠭,  31)

  ࠧ蠥  ࠭, ᫨  ⠭, 
頥 , ᫨  饭.  ஡ ଠ 
窥 ࠭ 室   5.   10 ᠭ, 
ࠧ  ࠭.

  窥 ࠭  ᪫祭,  ॣ CR2
頥 32-ࠧ來  , 맢訩 
᪫祭. ଠ  ࠡ⪥ ᪫祭, 㥬 
窥 ࠭ (⢨ 㦭 ࠭) 室  
9.

 ᯮ짮 窨 ࠭ ॣ CR3 ᮤন 20
  ⮢  ࠭筮 ⠫ (⠡
࠭ ࢮ ஢).  CR3 ⠪ 뢠 
ॣ஬ ࠭筮 ⠫ (PDBR). ⬥⨬,  ࠭
⠫   ࠢ  ࠭ ࠭, ⮬ 12
 ⮢ ॣ .  ⫨稥   386
DX,  i486 砥 㭪樨    ⮢. :

PCD (饭  ஢    ஢ ࠭,   4 ॣ
CR3)

ﭨ ⮣  ⠭  ᨬ  ﭨ
쪠 PCD  ६ 横 設,  ࠡ  ࠭栬
(ਬ, 横 ஢ 뢠),  窠
࠭ ࠧ襭. ᫨ 窠 ࠭ 饭,  ﭨ
⮣  ⠭   横 設. ४ PCD
ᯮ  ࠢ ࠡ⮩ 譥   横.

PWT (஧筮   ஢ ࠭,  3 ॣ CR3)

ﭨ ⮣  ⠭  ᨬ  ﭨ
쪠 PWT  ६ 横 設,  ࠡ  ࠭栬
(ਬ, 横 ஢ 뢠),  窠
࠭ ࠧ襭. ᫨ 窠 ࠭ 饭,  ﭨ
⮣  ⠭   横 設. ४ PWT
ᯮ  ࠢ ᪢   譨  
横.

CD (饭 ஢,  30)

  ࠧ蠥 ७ ஢, ᫨  饭, 
頥, ᫨  ⠭.    ⠭,
ᮢ   뢠  ப . ⬥⨬,
 ᮢ   ⮬  ⬥;  
饭     饭.

NW (   ந室,  29)

  ࠧ蠥 ᪢   横 㫨஢ ,
᫨  饭,  頥 横 㫨஢  ᪢
,  ᮢ , ᫨  ⠭. ଠ 
஢ 室   12. ⬥ ᪢ 
 ࠭     ﭨ.

AM (᪠ ࠢ,  18)

   믮 ஫ ࠢ, ᫨ 
⠭,  頥  ஫, ᫨  饭. ஫
ࠢ 믮 ⮫쪮   AM ⠭, 䫠 AC
⠭,  CLP  祭 3 (० 짮⥫).

WP ( ,  16)

᫨   ⠭,   頥   ࠭
஢ 짮⥫  㯥  ० 㯥ࢨ. ᫨ 
 饭,  ࠭ ஢ 짮⥫, ।祭
⮫쪮  ⥭,     ᮬ
㯥ࢨ.  ᢮⢮     ॠ樨
⮤ "  " ᮧ   (⢫
ࠫ ᮢ), ᯮ㥬 묨 樮묨
⥬ (ਬ, UNIX).

NE (᫮ 訡,  5)

  ࠧ蠥 ⠭ 堭 ᮮ饭  訡 
᫮   饩 窮, ᫨  ⠭. 
NE 饭,  室 IGNNE# ⨢, ᫮ 訡 .
  NE 饭,  室 IGNNE#  ⨢, ᫮ 訡
  ⠭    뢠. 뢠
   쪠 FERR#, ନ饣  
஫ 뢠 (४ FERR# 㫨 ४ ERROR#
ᮯ஢ 80287  387 DX).  NE, ४ IGNNE #  ४
FERR# ᯮ 譨 ᪨ 奬  ॠ樨
ᮮ饭  訡  ⨫ PC.

ET ( ७,  4)

  㦨  ⮣, ⮡ 㪠뢠  প 
⥬᪮ ᮯ 387 DX (Intel १ࢨ).

TS (४祭 ,  3)

 ⠭  TS   ४祭  
஢   樨 䬥᪨  
饩 窮.    ⪫뢠
࠭/⠭ ᫮    䠪᪮
ᯮ짮.  CLTS 頥  .

EM (,  2)

᫨ ⠭   ⮢, EM  TS,  믮 
WAIT  ᫮   ᪫祭 "ᮯ
㯥". EM   ⠭  祭 ᪫祭 7
   WAIT  ᫮ .

MP (⥬᪨ ᮯ ,  1)

 砥 ஢ 80286  386 DX  MP ࠢ ࠡ⮩
 WAIT, ᯮ㥬  ᨭ஭樨  ᮯ஬.
 믮 ணࠬ   i486   
 ⠭.

PE (襭 ,  0)

⠭  PE ࠧ蠥   ஢ ᥣ. 
஡ ଠ   .   6. ଠ 
ࠧ襭  饭 窨 ࠭ .   10  22.

4.1.4  ⫠ ॣ
-----------------------------------------------------------------

⫠ ॣ   i486 ७ 
⫠,  ஫ 窨   ।⢮
⠭ ஫ 窨   䨪樨 
ᥣ⮢ (     ⫠ -१⭮
ணࠬ ᯥ祭).   ⨬ ॣࠬ  ⮫쪮
ணࠬ  訬 ஢ ਢ஢.   11
室  ᠭ  ଠ⮢  ᯮᮡ ᯮ짮.
⫠ ॣ   㭪 4-4.

4.1.5  ⮢ ॣ
----------------------------------------------------------------

⮢ ॣ   ଠ쭮  ⥪
.  ।⠢ ᮡ 饥  ⭮
ॠ樨 ।⢮, ।祭  ஢
樠⨢  ࠭樨 (TLB)  .  ᠭ
 ଠ  ᯮ짮 .   10. ⮢ ॣ
  㭮 4-5.

31               23              15              7             0
-----------------------------------------------------------------
|LEN|R/W|LEN|R/W|LEN|R/W|LEN|R/W|0 0|0|0 0 0|G|L|G|L|G|L|G|L|G|L|DR7
| 3 | 3 | 2 | 2 | 1 | 1 | 0 | 0 |   | |     |E|E|3|3|2|2|1|1|0|0|
-----------------------------------------------------------------
|0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0|S|S|S|0 0 0 0 0 0 0 0 0|S|S|S|S|DR6
|                               |T|S|D|                 |3|2|1|0|
----------------|---------------|---------------|----------------
|                        १ࢨ஢                        |DR5
----------------|---------------|---------------|----------------
|                        १ࢨ஢                        |DR4
----------------|---------------|---------------|----------------
|                  ஫.窨 3               |DR3
----------------|---------------|---------------|----------------
|                  ஫.窨 2               |DR2
----------------|---------------|---------------|----------------
|                  ஫.窨 1               |DR1
----------------|---------------|---------------|----------------
|                  ஫.窨 0               |DR0
----------------|---------------|---------------|----------------

     㭮 4-4.  ⫠ ॣ

                                       1 1 1
31                                     2 1 0 9 8 7 6 5 4 3 2 1 0
-----------------------------------------------------------------
|                                       |P|P| LRU |0 0|P| R |0 0|
| ᪨                       |C|W|     |   |L| E |   |TR7
|                                       |D|T|     |   | | P |   |
-----------------------------------------------------------------
|                                       | | |D| |U| |W|       | |
|                          |V|D|#|U|#|W|#|0 0 0 0|C|TR6
|                                       | | | | | | | |       | |
-----------------------------------------------------------------
|                                         |             | E | C |
|  ᯮ                         |   롮     | N | T |TR5
|                                         |       | T | L |
-----------------------------------------------------------------
|                                         | |     |       |     |
|                            |V| LRU | VALID |0 0 0|TR4
|                                         | |     |       |     |
-----------------------------------------------------------------
|                                                         |TR3
-----------------------------------------------------------------


LRU - ਧ   ᯮ짮  ⮤ "㤠
      ਪ"
V     VALID    (⨬)
CTL   CONTROL  (ࠢ)
ENT   ENTRY    (室)

                㭮 4-5.  ⮢ ॣ

4.2  ⥬ 
-----------------------------------------------------------------

⥬  믮 ᫥騥 㭪樨:

1. 䨪 ࠬ஢ 㪠⥫ (.  6):

-----------------------------------------------------------------
|  |          ᠭ           |   |饭 |
|         |                             |ਪ |ਪ |
|         |                             |ணࠬ?|ணࠬ?  |
-----------------------------------------------------------------
| ARPL    | ன RPL               |        |        |
| LAR     | 㧪 ࠢ 㯠       |         |        |
| LSL     | 㧪 ࠭ ᥣ   |         |        |
| VERR    | 䨪  ⥭      |         |        |
| VERW    | 䨪        |         |        |
-----------------------------------------------------------------

2.  ⠡ ਯ (.  5):

-----------------------------------------------------------------
|  |          ᠭ           |   |饭 |
|         |                             |ਪ |ਪ |
|         |                             |ணࠬ?|ணࠬ?  |
-----------------------------------------------------------------
| LLDT    | 㧪 ॣ LDT       |         |        |
| SLDT    | ࠭ ॣ LDT     |         |        |
| LGDT    | 㧪 ॣ GDT       |        |         |
| SGDT    | ࠭ ॣ GDT     |        |        |
-----------------------------------------------------------------

3. ⨧筮 (.  7):

-----------------------------------------------------------------
|  |          ᠭ           |   |饭 |
|         |                             |ਪ |ਪ |
|         |                             |ணࠬ?|ணࠬ?  |
-----------------------------------------------------------------
| LTR     | 㧪 ॣ     |        |         |
| STR     | ࠭ ॣ    |         |        |
-----------------------------------------------------------------

4. ᫮ 樨  饩 窮 (.  III):

-----------------------------------------------------------------
|  |          ᠭ           |   |饭 |
|         |                             |ਪ |ਪ |
|         |                             |ணࠬ?|ணࠬ?  |
-----------------------------------------------------------------
| CLTS    | ⪠  TS  CR0       |        |         |
| ESC     | ࠢ騥          |         |        |
| WAIT    |  ᢮          |         |        |
|         | ᮯ (Not Busy)     |           |           |
-----------------------------------------------------------------

5.    뢮 (.  8):

-----------------------------------------------------------------
|  |          ᠭ           |   |饭 |
|         |                             |ਪ |ਪ |
|         |                             |ணࠬ?|ணࠬ?  |
-----------------------------------------------------------------
| IN      |                         |         |  |
| OUT     | 뢮                       |         |  |
| INS     |  ப                 |         |  |
| OUTS    | 뢮 ப                |         |  |
-----------------------------------------------------------------

6.  ࠢ 뢠ﬨ (.  9):

-----------------------------------------------------------------
|  |          ᠭ           |   |饭 |
|         |                             |ਪ |ਪ |
|         |                             |ணࠬ?|ணࠬ?  |
-----------------------------------------------------------------
| CLI     |  䫠 IF            |  |  |
| STI     | ࠭ 䫠 IF           |  |  |
| LIDT    | 㧨 ॣ IDT       |        |         |
| SIDT    | ࠭ ॣ IDT       |        |        |
-----------------------------------------------------------------

7.  ⫠ (.  11):

-----------------------------------------------------------------
|  |          ᠭ           |   |饭 |
|         |                             |ਪ |ਪ |
|         |                             |ணࠬ?|ணࠬ?  |
-----------------------------------------------------------------
| MOV     | 㧪  ࠭       |        |         |
|         | ⫠ ॣ஢        |           |           |
-----------------------------------------------------------------

8.  ࣠ :

-----------------------------------------------------------------
|  |          ᠭ           |   |饭 |
|         |                             |ਪ |ਪ |
|         |                             |ணࠬ?|ணࠬ?  |
-----------------------------------------------------------------
| INVD    | 㫨஢           |        |         |
|         |  ⭮           |           |           |
| WBINVD  | 㫨஢           |        |         |
|         |  ⭮          |           |           |
| INVLPG  | 㫨஢  TLB     |        |         |
-----------------------------------------------------------------

9.  ࠢ ⥬:

-----------------------------------------------------------------
|  |          ᠭ           |   |饭 |
|         |                             |ਪ |ਪ |
|         |                             |ணࠬ?|ணࠬ?  |
-----------------------------------------------------------------
| SMSW    | ࠭ MSW              |        |        |
| LMSW    | 㧪 MSW                |        |         |
| MOV     | 㧪  ࠭       |        |         |
|         | ࠢ饣 ॣ       |           |           |
| HLT     | ⠭           |        |         |
| LOCK    | 墠 設                 |        |  |
-----------------------------------------------------------------

 SMSW  LMSW ᯥ稢 ᮢ⨬  ஬
80286. ணࠬ   i486   ᯮ짮 
.   ࠢ騬 ॣࠬ 믮  
ࠧ⥩  MOV.  LMSW     PG,
CD, NW, AM, WP, NE  ET     ᯮ짮 
⪨  PE.

 HLT ⠭   ਥ ࠧ襭
뢠  ᨣ RESET. (⬥⨬,  ᪨㥬
뢠 ࠧ襭 ᥣ).   ᯥ樠
横 設,  砥 室  ० ⠭. ⭮
ᯥ祭  ॠ஢   ᨣ ᪮쪨
ᯮᮡ.   ᢥ⮤   ।
.   ஢ ᪨㥬 뢠 
 ᪮ ଠ樨.  ந ⨢
樠  ⥬. ࠡ稪 ணࠬ
ᯥ祭    ॠ  ० ⠭
.

 䨪 LOCK ᯮ  ᪠ 쭮
(୮) 樨 ⥭-䨪樨- 
䨪樨 ࠭ . 뤠 ᨣ LOCK#,  
 ॠ    ࠢ 設  砭
쭮 樨.  堭 㦨  ᯥ祭
 裡  ࠬ   ⥬.

      㯮    ,  ஡  ଠ   
  ਢ  ࠢ筨    ,  
室   26.
