		    K᮫ /뢮
		    

      ⮬ ࠧ  ⠥   ࠧ᭥    -
 ᮫쭮  /뢮  CP/M    ,    
ᯮ짮 २⢠ ⮣ 堭  ணࠬ	  BDS
C.
     ᭮  㤥 㤥 ᯮ짮 
㭪権 BIOS  BDOS  믮 /뢮 ।⢥
१ BIOS  BDOS. 
       稭 אַ 饭   BIOS	CP/M    -
᮫쭮 /뢮    ᯮ짮  㭪権  GetChar-
/PutChar,   ⠭⭮ ⥪  	
८  㤭 ࠡ⪨ ।  ᨬ-
 ASC II  BDOS  CP/M    㭪  GetChar/PutChar  (oo
ᯮ 맮 BDOS  ᢮ 楫).  㤮 ਬ  
⥫㭨樮 ணࠬ,    㣨  ணࠬ,
 ॡ  "஧筠" ࠡ  ᮫, 祬 , -
 ᯥ稢 㭪樨 GetChar  PutChar.  

	      ᮫ 䥩
	     

      ﭥ  ,  ந室   ⢨⥫쭮
 ६ ᮫쭮 /뢮   ,    ࠡ.
       (ᠬ ⮩) ஢ ணࠬ	ᯥ-
祭, ࠢ饣 ᮫ -  ࠧ BIOS	(᭮  -
⥬ /뢮) CP/M.  ᫥騥  ணࠬ  BIOS,
뢠騥  뢠騥 ᨬ  ᮫      ᮫:
ConSt (஢ ᮫ ), ConIn (   -
  , ⥬  ᨬ)  ConOut (뢮  ᨬ-
  ᮫). ⥪ BDS C ᮤন 㭪  BIOS,  -
 祭    ணࠬ      ணࠬ
BIOS.
      2,3  4 BIOS ᯮ, ⮡    אַ
  ᮫. ࠦ BIOS (2)  ᯥ稢  맮  -
ணࠬ BIOS ConSt,   頥  㫥  祭,
  ᨬ   ᮫,  ⨢ 砥  -
頥 祭 - 㫥. ⮡ ந 䠪᪮ -
 ᨬ ᫥ ⮣,  BIOS  (2)  ⨫    ⮢
᮫    ,  ᨬ 㤥 ⮢,   ⥬
 , ᯮ BIOS  (3),  뢠  ணࠬ
ConIn, 饭  ⮬ 祭   ᨬ,  
 ᮫. ⮡ 뤠 ᨬ c   ᮫,    BIOS
(4,c), 뢠 ConOut.   ,    ணࠬ
BIOS     ⮬,  c-ணࠬ ।⠢  
 ⪨-ॢ ப   ᨬ	"	ப"
('\n'). 맮 BIOS (4,'\n') 맮  ⮫쪮   ⮣
ᨬ (ASC II 筮 祭 10)  ᮫  
⪨.  ᯮ짮 אַ ᮫쭮 /뢮  
 ᫠   ⪨ ('\r')  ॢ ப (
ப) ('\n')  ணࠬ ConOut, ⮡  ३    砫
 ப  ᮫.   ⠪: 

     BIOS (4,'\r'); /*  ⪨  ConOut */
     BIOS (4,'\n'); /* ॢ ப  ConOut */ 

     쪮 ᯮ짮 㭪樨 BIOS  /뢮  -
᮫  㢥७,  ணࠬ  , ᯮ騥 
ࠢ ᮫,   

		      BDOS  ᫮
		      

     騩 ( ᮪) ஢ 䥩  (  BIOS),
믮騩 /뢮  ᮫ -  BDOS (᭮ ᪮
樮 ⥬). ᪮   ᭮  ண-
ࠬ BIOS  䥩  ᮫,    ,
 " ᮪ ஢" 㭪樨 BDOS  믮 
.  㭪樨 BDOS,         ᢮  ᮡ-
⢥  ,  ⫨稥    BIOS,  ᫥騥:  "-
᮫ " - 祭 ᨬ  ᮫ (㭪  1  dos),
"᮫ 뢮" - 뢮 ᨬ  ᮫ (㭪 2 BDOS),
" ᮫ " - ।,   ᨬ 
 ᮫ (㭪 11 BDOS). 
     ⠭  㭪樨 GetChar  PutChar  믮-
 ᢮    BDOS. oo   ᢮  ।  -
 ᢮ 樨   맮 BIOS,   ਢ  
  . 樨 BDOS      
,  ,  祬    . ਬ, ᫨  BDOS  -
㦨,  ᨬ control-s   ᮫쭮 
 ६ ᮫쭮 뢮,  ⢮  ⠭	  
,   ᮫  㤥   㣮  ᨬ,    ⮫쪮
᫥ ⮣ ࠢ 㤥 饭   㭪樨  BDOS.  
㤥 , ᫨        ⠭  
த 뢮  室 ஢  ᮡ 
襩 ணࠬ ,   뢠 訥  ⭮,  ᫨
 室  	ᨬ,      ᮫,
 control-s.   BDOS     -
㦨 control-s  ᮫쭮 ,      -
᮫   ,   ,   		ᨬ.
᫨  ᨬ,  ॡ騩 ⠪	ᯥ樠쭮  ࠡ⪨,
  control-s, ⮣    ࠭ -  
BDOS, ⠪ ࠧ ᫥騩 맮  "᮫  "  ୥
 ᨬ,   祣  稫.  ஬  ⮣,  BDOS
   ᫥騥 맮 㭪樨 " ᮫
" (Get control status) ⢥,   	 	
ᨬ.  ਢ  樨,  ன BDOS    ᪠-
,  ᨬ , ⮣  ᮮ⢥騩 맮  BIOS
 뤠   ⢥. 
      ᫨     , ,  -
 ॡ ஢    CP/M    묨  ﬨ
 ᪮쪮  楢, ०, 祬   ᬮ  -
,  ந室.  ᨨ GetChar  PutChar -
 ᮧ   ᫮,   짮⥫  㦤
 ᮫⭮ ࠢ ᮫.   BDOS 㦥  祭
 樨 (ਬ, ࠡ control-s),   -
  ᪮쪮 権: ⮬᪮ ८ࠧ  ᨬ-
 '\n'   cr-lf  室, ⮬᪨	⠭
믮塞 ணࠬ,  㦨 control-c  
 뢮 (⮬ ணࠬ  ᪮ 뢮   
ࢠ  १᪠ 設, ,   믮 -
 樨 ᮫쭮 ), ⮬᪮  ८ࠧ-
 ᨬ  ⪨  '\n'  ..   -
⥫ ⨫,   ⥫ , ⮡ PutChar 뫠  ᢮-
  ॠ樨  control-c;     	  -
 㭪 PctCh,   ⠪ ,    PutChar,
 ᪫祭 ⮣,  control-c   ⠭  ணࠬ
 뢮  ᮫.   ⠭ 祢,	  
PutChar,  PctCh  室  ,   ॡ  -
࠭ ணࠬ  뢠 뢮.    
㭪 BIOS, ⠪  짮⥫   /뢮 -
 १ BIOS   ⪠  BDOS. 
      頫 ᪮쪮 ਬ஢,  	ᬮਬ  .
० ᥣ, ࠧ६ ᠬ   㭪権  -
- ᯥ樠 ८ࠧ  墠⮢ ..,	
ॢ ⨯ '\n'  cr-lf. 

     /* ࠭ࠡ⠭ ᮫ 㭪樨 /뢮
     */ 

     GetChar() /*    ᮫ */
     {
	return BIOS (3);
     } 

     KbHit() /* ୨ 祭 True, ᫨   -
		⮢ ᨬ */
     {
	return BIOS (2);
     } 

     PutChar(c) /*     ᮫ */
     char c;
     {
       BIOS (4,);
     } 

      ࠭ࠡ⠭ 㭪樨 祣   ,  ஬
ᯥ祭 㯠  	᮫  ணࠬ  BIOS.  ⮡
ᯮ짮   ⠭ ᨩ,     deff2.crl
( 砩 ᠭ   몥  ᥬ      
室 ଥ  deff2a.csm),   	    室
䠩, ⪮  ⪮     쭥襬  -
  ணࠬ  祭 crl-䠩. 
     ᬮਬ  ᪮쪮 ਬ஢.  砫  ᮧ-
  㭪権,  믮﫨   ८ࠧ  ᨬ-
 " ப",   ᨨ, ᠭ  ࠭,
⢫﫨  室   control-c,   ஢  
⮪ control-s/control-q  뢠    ᨬ,  -
 짮⥫  ६ 뢮,  ᪫祭 control-c,
  ਢ     ஢.  
ࠧ, 㦭  ।騥 㭪樨 	᫥  -
⥩: 
     ) ८ࠧ ᨬ '\n'   ᨬ cr  lf  
뢮;
     b) ८ࠧ <>  " ப" ('\n')  control-z
 -1  ;
     ) -뢮  ;
     d) 室  ⥬   control-c 	६    
뢮.
       ᨨ: 

      /* ⥯쪨 ᮫ 㭪樨 /뢮  ᯮ-
 BDOS: ᫥ ,  KbHit 㤥 ⮩    ᠬ,
   ।饩 ࠭ࠡ⠭ ᨨ) */ 

       # define CtrlC 0x03 /* control-c */
       # define CPMEOF 0x1a /* ᨣ  䠩 */ 

       GetChar () /*  ,   */
       {
       char c;
       if ((c=BIOS(3)) == CtrlC) BIOS(1); 
       if (c==CPMEOF) return -1; /* ॢ⨬ ctl-z  -1 */
       if (c=='\r')
       {
       /* ᫨ cr , to */
       PutChar ('\r'); /* -뢮 cr  ⥬ */
       c='\n'; /* ᤥ ⠪, ⮡  */
       } /* 饬 -뢮  뢥 lf */
		      /*  ந襫  '/n' */ 
       PutChar (c); /* 騩 -뢮 */
       return c; /*  饭 ᨬ */
       } 

       PutChar (c) /* 뢮 ᨬ ,   */
       char c;
       {
       BIOS (4,c) /* ० 뢥 ᨬ */
       if (c == '\n') /* ᫨   窠 */
       BIOS (4,'\r'); /*  뢥 ⠪ cr */
       if (KbHit()&&BIOS(3) == CtrlC) /* e᫨  ctrl-c  */

       BIOS (1) /* 室 */
       } 

     , ᫨      ࠡ  ᨬ  con-
trol-s  ᢮⢮ ࠡ⪨ ஢  (⥭  
 ।) ( 쭮 易, ⠪   -
   ࠭    ,	  ᪫祭
control-s,    㦥  ६ 뢮),	  -
   譨 ६,  ⮡ࠦ騥  "-
ﭨ"   㭪権,     ᫥ ᮫
.  ⮫쪮  㤥 ᤥ,  㤥     -
樨,   ⠭  ᨨ GetChar  	PutChar
( ᯮ BDOS). 
      讬 ᮦ ,  ᮫쭠  ,
  㦭  ணࠬ஢ ࠪ⨢ 権
ॠ쭮 ६,  ন BIOS  ⠪ ࠧ,  
쭮 ᯮᮡ ॠ   CP/M.  㭪,	
  , ⮢  ᮫ ନ  ਭ ᨬ
 뢮. ணࠬ    ᯮᮡ  뢠	  
        ᥡ ⠨
  ⮢ 뢮, ᫨  뢮   -
 ਮ⠭ ணࠬ   ,   ᨬ    ᬮ
 ᫠. ⢥ ᯮᮡ ᫠ ᨬ    ᮫  -
  맮 ConOut BIOS  ⠪ 맮    ६
ਮ⠭ ணࠬ   ⥫ ப, 祬  -
. 室   - ⪠  ConOut    ᮧ  ᢮
ணࠬ 뢮,  㤥  ᫮.		짮-
⥫  㠫쭮 ᮧ  ᢮  䠩  ,
⮡ । 㭨  ⮢, 樨 ⮢   -
୮ /뢮 孨᪨ ।, ࠢ騥  -
᮫. 뫮  ࠧ , ᫨  BIOS ᮤঠ    
ணࠬ  ஢   뢮    ᮫,  
c'est la vie (⠪ ).
      ,   ਫ   ᭨  -
 ࠭  	᮫쭮  䥩  -
/뢮 CP/M. ᠭ  ᨩ GetChar,  PutChar  
..     室 ⨭ (   㣨
 ⠢  짮⥫ Orionsoft  ⤥쭮  -
)  deff2a.csm. , ᫨   -		  -
᮫  祣     ⮬ 㬥. 

		 ⥪ 㭪権 cio.crl
		
       cio ( 室 ଥ cio.csm)   祭  
BDS C  1.50  ᯮ짮   ,    ॡ-
  אַ ࠢ ᮫ /뢮. 室-
 ⥪ 㤥 ⠢ ⤥ ⮬. 
  ॡ-
