 ਫ .   権
ਢ  ⠡  権 ᮤন 㥬 ஬ i486 쥪 .  宦 ப, ᮤঠ饩 㦭  室 ᯮ짮 祭   ⮢  樨,   宦 ⮫ - 祭   ⮢. ᫨  樨 ࠢ 0FH, 室   ⠡ 塠⮢  権  ᯮ짮 祭 ண   樨  宦 ᮮ⢥饩 ப  ⮫.
.1 ᯮ짮 ॢ
 ࠭   ।  , ᮤঠ饬  ᨬ: Zz.  ᨬ ( 㪢) 㪠뢠 ⮤ 樨, ன ᨬ (쪠 㪢) 㪠뢠 ⨯ ࠭.
.2 ஢ ⮤ 樨:
A ﬠ :     modR/M;  ࠭ ᮤন ।⢥  ; ॣ , ॣ , 樥 ⠡஢  ᯮ; ਬ, 쭨 JMP (EA).
C  reg  modR/M 㪠뢠 ࠢ騩 ॣ; ਬ, MOV (0F20,0F22).
D  reg  modR/M 㪠뢠 ॣ ⫠; ਬ, MOV (0F21,0F23).
E   樨 ᫥  modR/M, 뢠騩 ࠭. ࠭   ॣ 饣 祭   . ᫨   ,   室  ᥣ⭮ ॣ  ᫥ 稭: ॣ ,  ॣ, 樥 ⠡஢, ᬥ饭.
F  䫠.
G  reg  modR/M 㪠뢠 ॣ 饣 祭; ਬ, ADD (00).
I ।⢥  (⠭). 祭 ࠭  ᫥⥫쭮 ⮢ ।⢥  .
J  ᮤন ⭮⥫쭮 ᬥ饭, ਡ塞  ॣ 稪  (EIP); ਬ, ⪨ JMP, LOOP.
M  modR/M  뫠 ⮫쪮  ; ਬ, BOUND, LES, LDS, LSS, LFS, LGS.
O   ᮤন  modR/M; ⭮⥫  ࠭   ᫮   ᫮ ( ᨬ  ਡ ࠧ ) ।⢥  .  , ॣ , 樥 ⠡஢  ᯮ; ਬ, MOV (A0-A3).
R  mod  modR/M  㪠뢠 ⮫쪮  ॣ 饣 祭; ਬ, MOV (0F20,0F26).
S  reg  modR/M 㪠뢠 ᥣ ॣ; ਬ, MOV (8C,8E).
T  reg  modR/M 㪠뢠 ॣ; ਬ, MOV (0F24, 0F26).
X      ॣ஢ DS:SI; ਬ, MOVS, COMPS, OUTS, LOADS, SCAS.
Y      ॣ஢ DS:DI; ਬ, MOVS, COMPS, INS, STOS.
A.3 ஢ ⨯ ࠭
a  ࠭   ᫮     ࠭    ᫮  ,  ᨬ  ਡ ࠧ ࠭ (ᯮ ⮫쪮   BOUND).
b  (ᨬ  ਡ ࠧ ࠭).
c   ᫮,  ᨬ  ਡ ࠧ ࠭.
d  ᫮ (ᨬ  ਡ ࠧ ࠭).
p 32-  48-ࠧ來 㪠⥫,  ᨬ  ਡ ࠧ ࠭.
s 6-ࠧ來 ᥢ-ਯ.
v    ᫮,  ᨬ  ਡ ࠧ ࠭.
w C (ᨬ  ਡ ࠧ ࠭).
A.4  ॣ஢
  ⢥ ࠭ ᯮ ஢   ॣ,  ।  , ਬ AX, CL  ESI.  ॣ ।  ࠧ - 32, 16  8 .  砥, ᫨ ࠧ ॣ । ਡ⮬ ࠧ ࠭, ᯮ  ⠪ ଠ eXX. ਬ,  eAX 砥,   ਡ ࠧ ࠭ ࠢ 16, ᯮ ॣ AX,   ਡ ࠧ ࠭ ࠢ 32 - ॣ EAX.

                   ⮢ 

     0       1       2       3       4       5       6       7
 Ŀ
                     ADD                         PUSH    POP  
0Ĵ  ES      ES  
  Eb.Gb  Ev.Gv  Gb.Eb  Gv.Ev  AL.lb  eAX.lv              
 Ĵ
                     ADC                         PUSH    POP  
1Ĵ  SS      SS  
  Eb,Gb  Ev,Gv  Gb,Eb  Gv,Ev  AL,lb  eAX,lv              
 Ĵ
                     AND                          SEG         
2Ĵ  =ES    DAA  
  Eb,Gb  Ev,Gv  Gb,Eb  Gv,Ev  AL,lb  eAX,lv              
 Ĵ
                     XOR                          SEG         
3Ĵ  =SS    AAA  
  Eb,Gb  Ev,Gv  Gb,Eb  Gb,Ev  AL,lb  eAX,lv              
 Ĵ
                  INC ॣ 饣 祭                 
4Ĵ
   eAX    eCX    eDX    eBX    eSP    eBP    eSI    eDI  
 Ĵ
                 PUSH ॣ 饣 祭                 
5Ĵ
   eAX    eCX    eDX    eBX    eSP    eBP    eSI    eDI  
 Ĵ
  PUSHA  POPA   BOUND  ARPL    SEG    SEG   ଥ 
6         eCX   Gv,Ma  Ew,Rw   =FS    =GS   .  
 Ĵ
                 室  ᫮ (JB)                 
7Ĵ
   JO     JNO    JB     JNB    JZ     JNZ    JBE   JNBE  
 Ĵ
  ।. Grpl MOVB   Grpl       TEST           XCHG      
8Ĵ Ev,lb Ĵ
  Eb,lb  Ev,lv AL,imm8        Eb,Gb  Ev,Gv  Eb,Gb  Ev,Gv 
 Ĵ
            XCHG  ॣ஬ ᫮   ᫮ eAX      
9  NOP  Ĵ
          eCX    eDX    eBX    eSP    eBP    eSI    eDI  
 Ĵ
              MOV                MOVSB MOVSW/D CMPSB CMPSW/D
AĴ Xb,Yb  Xv,Yv  Xb,Yb  Xv,Yv 
  AL,Ob eAX,Ov  Ob,AL Ov,eAX                             
 Ĵ
         MOV  ।⢥ ⮬  ⮢ ॣ      
BĴ
   AL      CL     DL     BL     AH     CH     DH     BH  
 Ĵ
    Grp2      RET    LES    LDS        MOV      
CĴ Gv,Mp  Gv,Mp Ĵ
  Eb,lb  Ev,lb   lw                         Eb,lb  Ev,lv 
 Ĵ
            Grp2                                       
DĴ  AAM    AAD           XLAT 
  Eb,1   Ev,1   Eb,CL  Ev,CL                             
 Ĵ
 LOOPNE  LOOPE  LOOP   JCXZ        IN             OUT      
E Jb      Jb     Jb     Jb   Ĵ
                              Al,lb eAX,lb  lb,AL lb,eAX 
 Ĵ
                        REP                  Grp3  
F LOCK          REPNE  REPE    HLT    CMC  Ĵ
                                              Eb     Ev  
 

                   ⮢ 

     8        9       A      B       C       D       E       F
 Ŀ
                     OR                          PUSH  2--
0Ĵ  CS       
  Eb.Gb  Ev.Gv  Gb.Eb  Gv.Ev  AL.lb  eAX.lv        室 
 Ĵ
                     SBB                         PUSH    POP  
1Ĵ  DS      SS  
  Eb,Gb  Ev,Gv  Gb,Eb  Gv,Ev  AL,lb  eAX,lv              
 Ĵ
                     SUB                          SEG         
2Ĵ   CS    DAS  
  Eb,Gb  Ev,Gv  Gb,Eb  Gv,Ev  AL,lb  eAX,lv              
 Ĵ
                     CMP                          SEG         
3Ĵ   DS    AAS  
  Eb,Gb  Ev,Gv  Gb,Eb  Gv,Ev  AL,lb  eAX,lv              
 Ĵ
                  DEC ॣ 饣 祭                 
4Ĵ
   eAX    eCX    eDX    eBX    eSP    eBP    eSI    eDI  
 Ĵ
                 POP  ॣ 饣 祭                
5Ĵ
   eAX    eCX    eDX    eBX    eSP    eBP    eSI    eDI  
 Ĵ
  PUSH   IMUL   PUSH   IMUL   INSB  INSW/D  OUTSB OUTSW/D
6  lv   GvEvlv   lb   GvEvlb  Yb,DX  Yv,DX  DX,Xb  DX,Xv 
 Ĵ
                 室  ᫮ (JB)                 
7Ĵ
   JS     JNS    JP     JNP    JL     JNL    JLE   JNLE  
 Ĵ
               MOV                MOV    LEA    MOV    POP  
8Ĵ                            
  Eb,Gb  Ev,Gv  Gb,Eb  Gv,Ev  Ew,Sw  Gv,M   Sw,Ew    Ev  
 Ĵ
   CBW    CWD   CALL   WAIT   PUSHHF  POPF   SAHF   LAHF 
9                Ap             Fv     Fv                
 Ĵ
       TEST      STOSB STOSW/D LODSB LODSW/D SCASB SCASW/D
AĴ Yb,AL  Yv,eAX AL,Xb  eAX,Xv AL,Xb  eAX,Xv
  AL,lb  eAX,lv                                          
 Ĵ
       MOV ।⢥ ᫮   ᫮            
             ॣ ᫮   ᫮                   
BĴ
   eAX    eCX    eDX    eBX    eSP    eBP    eSI    eDI  
 Ĵ
  ENTER         쭨  RET    INT    INT                
C lw,lb  LEAVE Ĵ   3      lb    INTO  IRET  
                  lw                                     
 Ĵ
D       ESC ( 室  ⢮  ᮯ )          
 Ĵ
  CALL            JMP                IN             OUT      
E  Jv   Ĵ
          JV     AP     Jb    AL,DX eAX,DX  DX,AL  Dx,eAX
 Ĵ
   CLC    STC    CLI    STI    CLD    STD  INC/DECINC/DEC
F                                           Grp4   Grp5  
 

          㡠⮢  (   0FH )

     0       1       2       3       4       5       6       7
 Ŀ
0 Grp6   Grp7    LAR    LSL                 CLTS         
                Gv,Ew  Gv,Ew                             
 Ĵ
1                                                        
                                                         
 Ĵ
2  MOV    MOV    MOV    MOV    MOV           MOV         
  Cd,Rd  Dd,Rd  Rd,Cd  Rd,Dd  Td,Rd         Rd,Td        
 Ĵ
3                                                        
                                                         
 Ĵ
4                                                        
                                                         
 Ĵ
5                                                        
                                                         
 Ĵ
6                                                        
                                                         
 Ĵ
7                                                        
                                                         
 Ĵ
                쭨 室  ᫮ (Jv)                 
8Ĵ
   JO     JNO    JB     JNB    JZ     JNZ    JBE   JNBE  
 Ĵ
                ⠭   ᫮ (Eb)                 
9Ĵ
  SETO   SETNO  SETB   SETNB  SETZ   SETNZ  SETBE  SETNBE
 Ĵ
A PUSH    POP           BT    SHLD   SHLD  CMPXCHGCMPXCHG
   FS     FS           Ev,Gv EvGvlb EvGvCL  Eb,Gb  Ev,Gv 
 Ĵ
                 LSS    BTR    LFS    LGS       MOVZX     
B                Mp    Ev,Gv   Mp     Mp   Ĵ
                                            Gv,Eb  Gv,Ew 
 Ĵ
C XADD   XADD                                            
  Eb,Gb  Ev,Gv                                           
 Ĵ
D                                                        
                                                         
 Ĵ
E                                                        
                                                         
 Ĵ
F                                                        
                                                         
 

          㡠⮢  (   0FH )

     8       9       A       B       C       D       E       F
 Ŀ
0 INVD  WBINVD                                           
                                                         
 Ĵ
1                                                        
                                                         
 Ĵ
2                                                        
                                                         
 Ĵ
3                                                        
                                                         
 Ĵ
4                                                        
                                                         
 Ĵ
5                                                        
                                                         
 Ĵ
6                                                        
                                                         
 Ĵ
7                                                        
                                                         
 Ĵ
                쭨 室  ᫮ (Jv)                 
8Ĵ
   JS     JNS    JP     JNP    JL     JNL    JLE   JNLE  
 Ĵ
9 SETS   SETNS  SETP   SETNP  SETL   SETNL  SETLE  SETNLE
 Ĵ
A PUSH    POP           BTS   SHRD   SHRD          IMUL  
   GS     GS           Ev,Gv EvGvlb EvGvCL         Gv,Ev 
 Ĵ
                Grp-8   BTC    BSF    BSR       MOVSX     
B               Ev,lb  Ev,Gv  Gv,Ev  Gv,Ev Ĵ
                                            Gv,Eb  Gv,Ew 
 Ĵ
CBSADD   XADD                                            
  Eb,Gb  Ev,Gv                                           
 Ĵ
D                                                        
                                                         
 Ĵ
E                                                        
                                                         
 Ĵ
F                                                        
                                                         
 

     権, । ⠬ 5,4  3  modR/M

                Ŀ
                   mod      nnn      R/M   
                

    000     001     010     011     100     101     110     111
 Ŀ
1  ADD    OR     ADC    SBB    AND    SUB    XOR    CMP  
                                                         
 Ĵ
2  ROL    ROR    RCL    RCR    SHL    SHR    SHL    SAR  
                                                         
 Ĵ
3 TEST   TEST    NOT    NEG    MUL   IMUL    DIV   IDIV  
  lb/lv  lb/lv        AL/eAX AL/eAX AL/eAX AL/eAX AL/eAX 
 Ĵ
4  INC    DEC                                            
   Eb     Eb                                             
 Ĵ
5  INC   IDEC   CALL   CALL    JMP    JMP    PUSH        
   Ev     Ev     Ev     eP     Ev     Ep     Ev          
 

     権, । ⠬ 5,4  3  modR/M

                Ŀ
                   mod      nnn      R/M   
                

    000     001     010     011     100     101     110     111
 Ŀ
6 SLDT    STR   LLDT    LTR   VERR   VERW                
   Ew     Ew     Ew     Ew     Ew     Ew                 
 Ĵ
7 SGDT   SIDT   LGDT   LIDT   SMSW          LMSW         
   Ms     Ms     Ms     Ms     Ew            Ew          
 Ĵ
8                              BT     BTS    BTR    BTC  
                                                         
 

