                                                       
                                     - 39 -

               
               
               
               
               
                      7. 樨 ࠢ ஬.
               
               
               樨 ⮣ ⨯   ணࠬ  ࠢ
         ࠧ묨  㭪ﬨ  CPU    ᫮  ࠧ   3
         㯯, ᮮ⢥騥 3- ⨯  権:  樨  
         䫠,  ᨭ஭   . 쪮 1- 㯯
         権   ﭨ 䫠 .
               
               
               
               
               
               
                         7.1. 樨  䫠.
               
               
         CLC                             0  
         ---
                 ७  CF  ⠭    0;   ﭨ
         ⠫  䫠    .  ᯮ짮 権
         CLC, STC  CMC 쬠     ⠭    ﬨ
         饭 RCL  RCR.
               
               
         STC                             1  
         ---
                 ७  CF  ⠭    1;   ﭨ
         ⠫  䫠    .  ᯮ짮 権
         CLC, STC  CMC 쬠     ⠭    ﬨ
         饭 RCL  RCR.
               
               
               
         CMC                             
         ---
               ﭨ    䫠    ७    CF      
         ⨢; ﭨ  ⠫  䫠    .
         ᯮ짮  権  CLC,  STC   CMC 쬠  
         ⠭  ﬨ 饭 RCL  RCR.
               
               
               
         CLD                            0  
         ---
                 ࠢ  DF,  ᯮ㥬      
         ࠡ⪨  ப,  ⠭    0,    ᯥ稢

                                     - 40 -
         
         
         ⮬᪮ 㢥祭 ᮤন ॣ஢ SI / DI.
         ﭨ ⠫ 䫠  .
               
               
               
         STD                            1  
         ---
                 ࠢ  DF,  ᯮ㥬      
         ࠡ⪨  ப,  ⠭    1,    ᯥ稢
         ⮬᪮ 㬥襭 ᮤন ॣ஢ SI / DI.
         ﭨ ⠫ 䫠  .
               
               
               
         CLI                  0   
         ---
                 ࠧ襭  뢠 IF ⠭  0, 
         १ 祣      㤥  ᯮ  譨
             뢠,  騥     INTR, ..
             ᪨㥬     뢠.     ᪨㥬
         뢠,  騥     NMI, ਭ 
         ணࠬ 뢠.  CLI   ﭨ  㣨
         䫠  .
               
               
               
         STI                  1   
         ---
                 ࠧ襭  뢠  IF  ⠭  1;
         ⠫ 䫠 ᢮ 祭  .  IF=1 
         ᯮᮡ  ᯮ  ᪨㥬 뢠, 騥
           INTR. ⨬,  ,    뢠    㤥
         ᯮ     ,   믮 ᫥  STI
         .
               
               
               
               
               
                            7.2.  ᨭ஭.
               
               
               
         HLT                            
         ---
                 HLT  ॢ         ﭨ
         ⠭,  ஥  㤥  ࠭     ,  
         ந   ᫥ ᮡ⨩:
               1.  ᨣ   RESET.
               2.         ᪨㥬  뢠
                  (  NMI).
               3.           ᪨㥬  뢠
                  (  INTR).
               믮  樨  HLT    ﭨ  䫠  
         .    HLT      ᯮ짮      ୠ⨢

                                     - 41 -
         
         
         ᪮筮 ணࠬ  横,    ணࠬ  
         뢠.
               
               
               
         WAIT                          
         ----
                  WAIT   ॢ      ﭨ
         , ஥ 㤥 ࠭   ,    
         TEST ⨢.  ﭨ 䫠 WAIT  .
               
               
               
         ESC -譥-樨,筨       
         ---------------------------------
                 ⮩  樨 譥  ⭮襭  8086/8088
          ।  㪠    樨    ࠭.
         -譥-樨     ।⠢     ᮡ    6-⮢
         ।⢥   ।⠢   ⠭,      ன
         ᥬ  ନ  設 . 譨 
             ⥬  ࠭ᯮ      믮
         ஬  8086/8088  樨  ESC 墠뢠  
         樨. ᫨  ⢥ 筨  ॣ, 
         8086/8088 祣   .  ᫨  㪠  ࠭  ,
           砥  ᮤন    "뢠" .
         譨   墠 ࠭    ⥭
          ஬  .
               
               
               
         LOCK                           
         ----
               LOCK  ।⠢  ᮡ  1-  䨪, 
         ⠢   8086/8088  (쭮  䨣樨)
         ஢  ᨣ  ࠭ᯮ  LOCK   ६ 믮
         ᫥饩 樨. ﭨ 䫠  .
               
               
               
               
               
                           7.3.  .
               
               
               
         NOP                            
         ---
                 믮  ⢨.
