

     23.  
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

      뢠 ᮤন ⨢     ࠧ-
 ⠤  ࠡ  ࡮-⥬.    ᫥  㭪
ᯫ묨 ﬨ 祭 䨪஢ ࠭ (.. ࠭-
, ।塞 ꥬ ⨢ ,  ࠧ஬ -
 ⥬ CP/M, ᨥ ࡮-⥬  ..),  客묨
ﬨ 祭    ࠭,   ।  ६
믮 ணࠬ (ਬ,  ࠭,  騥  ࠧ
室 ⥪,        樨 짮⥫
ࠧ묨 㪠⥫ﬨ  ..).   ᥣ⮢   㭪
易⥫쭮 ࠦ ॠ쭮 ᯮ㥬 ꥬ .



      
    ===================

     ६ 樨   (  M     権)
।  ᮮ⢥ . 23-1:


  0000 ("")
                       CP/M  ࠡ.  ਮ 믮
  0100
                       ⥪ ᪠
  20E2
                 
                       ࡮-䥩, ।  

                 
                       饭  訡 (易⥫)
           
                 
                       室 ⥪ ணࠬ
                 
           
                       ꥪ , "騩" 
                 
                 
                 
   , "" 
                 
  ⥪ , "騩" 
                 
                       CP/M
                 
  HiMem ("")


    . 23-1. ।   樨  


    ᫨   ᪥ ࡮-⥬  㦠 䠩 ᮮ-
  訡,  室 ⥪ ᯮ    -
⢥饥 ᫮  ⮢  (..    砫 ).
᫥ ᪠  ᫥ 稭 ନ஢ ꥪ-
 , 稭   ,  室 ⥪⮬.
⥪   "", 稭  ᪮ 孥 ࠭-
 ,  ⠡    ⠪ "",
 稭  ,  1  ($400 ) 襣 ᪮
孥 ࠭ .



      
    ==================

     १⮬  樨   .COM-  .CHN-䠩
(  C  H   権),  । 
 ᭮ 宦  ।  樨  ,  
᪫祭 ⮣,   ஦ ꥪ      
,    -  䠩.  ஬ ⮣,  稭  
᮪  (ࠧ ᫥ ⥪ ᪠,   ᫥ -
室 ⥪). ⥫쭮,  ⮬ ०  -
 ⥫쭮   ࠧ ணࠬ.   ।-
   ⮣    . 23-2.


  0000 ("")
                       CP/M  ࠡ.  ਮ 믮
  0100
                       ⥪ ᪠
  20E2
                 
                       ࡮-䥩, ।  

                 
                       饭  訡 (易⥫)
           
                 
                       室 ⥪ ணࠬ
                 
                 
                 
                 
   , "" 
                 
  ⥪ , "騩" 
                 
                       CP/M
                 
  HiMem ("")


    . 23-2. ।   樨  䠩




    믮 ணࠬ, ࠭  
    =======================================

     ணࠬ 믮  ।⢥ ०, ..
  (᫥ 樨  樥 M      権),  
।  룫廊 ⠪,    . 23-3.

  0000 ("")
                       CP/M  ࠡ.  ਮ 믮
  0100
                       ⥪ ᪠
  20E2
                 
                       ࡮-䥩, ।  
                 

                       饭  訡 (易⥫)
           
                 
                        ணࠬ
                 
           
                 
                       ꥪ 
                 
                 
             . 祭 HeapPtr  㬮砭
                       , "騩" 
                 
                       ⥪ ४ᨨ, "騩" 
             . 祭 RecurPtr  㬮砭
                       ⥪ , "騩" 
             . 祭 StackPtr  㬮砭
                 
  ६ ணࠬ, "騥" 
                       CP/M
                 
  HiMem ("")


    . 23-3. ।   믮 
               ।⢥ ०

     ணࠬ ᪮஢,  ⠭  
ꥪ⭮ .  㬮砭 㪠⥫ 娯 HeapPtr ⠭-
   祭,  娯 ""  , 稭  ⮩
窨  ࠢ  ⥪ ४ᨨ.  ᨬ ࠧ -
 ।    BDOS    (   権
). ணࠬ ६ ࠭  , 稭
 ⮣   "".   , ⢥ ६,
ᮢ  窮 "孥 ࠭ ᢮ ",  
।⠢ ᮡ 砫쭮 祭 㪠⥫ ⥪  Stack-
Ptr. ⥪  ""   ⮩ 窨  ࠢ  -
樨  㪠⥫  ⥪  ४ᨨ RecurPtr -  $400 ⮢ ,
祬 StackPtr. ⥪ ४ᨨ ""  ⮩ 窨   -
ࠢ  娯.


    믮 ணࠬ, ࠭  ᪥
    =======================================

     믮  ணࠬ,  饩     ᪮
䠩 (   Run  ० Memory,  ࠭   
権,     eXecute,   ।⢥  CP/M)
 । ⠪,    . 23-4.


  0000 ("")
                       CP/M  ࠡ.  ਮ 믮
  0100
                       ⥪ ᪠
  砫  ணࠬ  㬮砭
                 
                 
                 
                       ꥪ 
                 
                 
             . 祭 HeapPtr  㬮砭
                       , "騩" 
                 
                       ⥪ ४ᨨ, "騩" 
             . 祭 RecurPtr  㬮砭
                       ⥪ , "騩" 
             . 祭 StackPtr  㬮砭
                 
                 
                       ६ ணࠬ, "騥" 
                㬮砭
   稪     
  ᨬ ࠧ 
                       CP/M
                 
  HiMem ("")

    . 23-4. ।   믮 䠩


      ।     ।,  
᪫祭 ⮣,      䥩 ࡮--
, ।   ( ᮮ饭  訡),  ⠪ -
室 ⥪ ணࠬ.     
  (   権 )  -
 ᢮  ᫥ ⥪ ਮ 믮 ᪠.
⨬ 祭  㫨஢ ।⢮    S  
 権 .  , ਬ, १ࢨ஢ 
 ᮫ ६  (  ਡ⮬  ABSOLUTE)  /  
譨 楤  ⥪  .  
 ࠢ BDOS  ,  ࠧ㬥  㬮砭
祭 ।  祩 BDOS  ᯮ㥬 -
.

     ணࠬ, ।祭  ॢ  㣨 -
, 㦭  ᮡ ஦,  ⮡  -
  BDOS. ᨬ ࠧ஬   㫨஢ 
   E (End address -  )   権
. ⨬,   㬮砭 ࠧ㬥 
,   700-1000  ⮢ 訩,  祬 ᨬ쭮 㯭
ꥬ .   易  室 ⠢   
稪,   ᯮ    ࠧ    BDOS,  
.COM-䠩 ⨢   R  X  ࡮-⥬.
 砭  ࠡ ணࠬ  稪 ⠭ 
 ࡮-।,    ᮮ饭  訡 (᫨
 㦠)  ⥬ ᠬ 頥 ࠢ ࡮--
.
