
---------------------------------------------------------------
        ⥬ ⢨  묨 ன⢠
                     (㫥 ஢ DOS)

   ⢨   묨 ன⢠ ⢫ १
⥬   ࠩ஢,        ᯮ짮    ⮫쪮
⠭ ᪨  720 .,   RAM-,   .
        ண 䨪஢  ࠢ 256 , 
  ⮬  ࠧ  ᥪ । ᠬ ࠩ஬  
 .

   饭      筮  ன  ந室 १
  室  10  , । 맮 㦭   ॣ "A"
 ᨬ 䨧᪮ ᪠,  ஬ ந室 饭,
   ॣ "B"  室 㭪樨 ࠩ. ᪨
 砥 訬 ᨬ A..Z

    ࠩ஢  ன ᯮ  ࠭
(BlkDrvP)      (BlkDrvA).       26 
  ன  (  A    Z)   ⠡ १ࢨ஢ 4
.      㪠뢠  ⠭-  ࠩ 
ன⢠  (0=    ⠭),  ⠫  3   
ࠩ.

饭  筮 ன ந室 ⠪ ࠧ:

       LD B,5         ; 㭪樨 ࠩ
       LD A,"A"       ; 筮 ன⢠
    ; ⠫ ॣ  । ࠬ 
    ;ࠩ
       CALL CallDos
       DB 10          ;맮 ᯥ  ன

   ࠩ   筮  ன⢠    믮  ᫥騥
易⥫ 㭪樨:

#01 - 樠 筮 ன⢠.

#05 - ⥭      ன⢠.
    In:C= ⢮  (1..64);
       DE= ࢮ ;
       HL= 㧪;

#06 -     .
    In:C= ⢮  (1..64);
       DE= ࢮ   ᪥;
       HL=    ;


---------------------------------------------------------------
                        ⥬
                     ( ஢ DOS)
   ⢨      ன⢮  ⢫ १
ࠩ  䠩  ⥬,     ᢮ । ᯮ
ࠩ    ன.     ᪮ ன⢮
  ⠭  ᢮  ࠩ  䠩  ⥬,    
  ࠡ      TR-DOS,  ⠪     IS-DOS,MS-DOS
᪠. ᪮ ன⢮  易   䨧᪨
 ᪨  ன⢮.
   饭   䠩 ⥬ ந室 १  室 9
  ।⥫ 饭  "B"  ॡ㥬 㭪樨, 
  "A"    ᪮  ᪠ (A..Z),  ஬ ந室
饭.      ⠫  ॣ  ࠩ  
। ࠬ.
     ࠩ஢  䠩  ⥬ ᯮ ࠧ 
⠡楩  ࠩ஢    ன, ..  ᬥ饭 26*4
.   ⮩ ⠡   ᪮ ன⢮ ⢮
  8  .   ࢮ  室  ᨬ
ன⢠,   易  ᪮ ன⢮, 祬
᫨      ࠢ  ,      ᪮  ன⢮
᢮            易    - 㣨
ன⢮,            ᨬ
ன⢠,   -  ࠩ 䠩
⥬. 祬 ᫨ ᨬ "A".."Z"  뢠 
䨧᪨ ன⢮,  ᫨ "a".."z",   ᪨
ன⢮. 騥   -    ⥪饣
   ᪮ ன⢠. ᫥  
⠡  १ࢨ஢.
    ࠧ  ⠡   26*8 .
᫨ ᪨  易  㣨 ᪨ ᪮, 
⥬ 楯 ⥪騩  ᪠  砫 ப, ।
 ⢥ ࠬ ࠩ 䠩 ⥬,  頥
 㣮 ᪮   ⥬  ࠬࠬ.
   ࠩ      ன     䠩  ⥬  
   ⥪,    㤠  
  室  稪 ᯮ짮 ⥪ ⠭
  .

饭  䠩 ன ந室 ⠪ ࠧ:

       LD B,1         ; 㭪樨 ࠩ
       LD A,"A"       ;᪮  ன⢠
    ; ⠫ ॣ  । ࠬ 
    ;ࠩ
       CALL CallDos
       DB 9           ;맮 ᯥ 䠩 ன.

ࠩ 䠩 ⥬  믮 ⠪ 㭪樨:

#00 - ᮧ   (CHL) ᯨ᮪ ⥫ 䠩,
      室  ⥪饬 ⠫. ਧ  ᯨ᪠
      㦨  #00  ࢮ   䠩.
    ⮩ 㭪樥 ᯨ᮪  ᫥騩 ଠ:
+0  [Nb] -  䠩
+N  [1b] - ᨬ "."
+N+1[3b] - ७ 䠩
+N+4[1b] - #00
+N+5[1b] - ਡ 䠩
+N+6[4b] -  䠩  

  ९  ⥫쭮 ।ᬮ
筮   ᯨ᪠ 䠩.

᫨  - 㭪樨 ॡ 㪠 /, 
 室    ࠩ 䠩 ⥬, 
 ASCIIZ-ப  ॣࠬ 㪢  ࠧ稥.
 ᨬ "\" ⨬ ᯮ짮 "/".

#01 - 㧪 䠩  64     .
    In:  .
       DE= 饭  砫 䠩  .
       HY= ⢮ 㦠 , ᫨ =0, 
           㧨  䠩 (   64 ).
       LY,IX=   孥 ,  ஬ 㦭
           㧨 䠩.
    Out:"Z"= File not found.
        "NZ"=Ok.

#02 - 뤠   䠩.
      In:  .
      Out:A= ਡ 䠩 ( 筮 䠩 =0);
          BCDE=  䠩  ;
          IXHL=  ࢮ  䠩  ᪥;
          "Z"= File not found;
          "NZ"= Ok;

#03 - 樠 ࠩ஢.

#04 -      
    In:     . 
	BC,DE=   
    Out:A=0 Ok
	A=1 FileExist
	A=2 	  
	A=3   127 

#05 -     64    
   In:    . 
      DE=     
      HY=  ,
	  =0,   
      LY,IX= 
   Out:NZ=Ok,Z=File Not Found

#06  
   In:    
     (CHL)=  

#07  䠩.
   IN:  ७ 䠩 室  
