 ᫥ ।樨: 18.10.2019

                  Directory System for TR-DOS
                    㬥  ⥬
                    =======================

       㬥  ।祭    ணࠬ⮢,  
ঠ ⥬ ⠫  TR-DOS  ᢮ ணࠬ.

                       ⥬
                      ===================
     Directory  System  (DS) ।⠢  ᥡ ன 
୮  ⥬ TR-DOS,  ᭨ ࠭祭  ⢨
  TR-DOS  ⠫.  DS  ࠭  ⠭⭮ ᪥
⥬  TR-DOS    128 䠩  ६  128 ⠫,
  ୥  ⠫.  ⠫     ⥯
,  ⠪   ᮤন.   ४ਨ 
ᯮ    127 ⠫   128 䠩. DS 室 
᢮  ᥪ  㫥  ஦    ᯮ  ᢮
楫 㣮 ᪮ ࠭⢠.

                         ⨬
                         =============
     DS      ᮢ⨬     設⢮  ணࠬ
ᯥ祭    ᠬ  ⥬  TR-DOS.    ,  
ணࠬ,  ন DS 㢨  䠩, 室騥 
᪥,    ⮬ ᫥  室騥  ⠫, ᠬ  ⠫
  .   ᠥ ⠭  TR-DOS LIST 
CAT.   ஢,   २뢠 䠩  ᪥
  DS 묨 ࠬ,  ⠪ ⠭묨  TR-DOS
COPY,  ERASE   NEW.  ⮬ 砥  २ 䠩, 
ᯮ    ⠫    ,      ᮧ  
஢ 䠩,  䠩 㤥 饭  ୥ ⠫.

                          ࠭祭
                          ===========
     ࠭祭  ᯮ짮 㣮 ணࠬ ᯥ祭
ᮢ⭮    DS 易 ० ᥣ  ᯮ짮 ᢮
ᥪ஢  㫥  ஦.  ⮬  䫨  
    ⥬ ணࠬ,  ᯮ  ᥪ. ,
ਬ,   ⥭  ࢨ-    Scorpion  
࠭  ᢮ ன  ᪥  DS  䫨  ⥬
    ,   ⢮ ⠫  㤥 ॢ 115.
  ணࠬ     DS    MAGIC 㭨⮦
⥬,   ⥬      ,      ଠ樨     㤥
⠭.

         ࠭祭    ⥬ 뢠 ⠭⭠
  TR-DOS MOVE  㯫⭥ ᪠ 묨 ࠬ. 
⮬  砥  㤥 襭 ஢ 䠩  ⠫. 
㯫⭥    ᪠    室    짮   ணࠬ,
ন騬 DS  뢠騬  ᮡ.

               ⠭ ⥬
             =====================================
       ०  ⥬,          㭨⮦
(   ஭   10 ᥪ 㫥 ஦),
⥬  筮   ⠭.  , ࠭
஢    䠩  ⠫,  ⠪ ஢ 
117 ⠫.

                   ⠫쭮 ᠭ ⥬
                   ==========================
     ⥬  稭    砫  10-  ᥪ  ࠧ  
⥬  ᥪ஬ (ᤢ 㪠 ⭮⥫쭮 砫 10 ᥪ
㫥 ஦):

ਯ ⥬. 11 :

+ [#00], + [#01]    CRC ⥬, 뢠   +[#02]
                     + [N*#0B+#10B],  N -
                    浪  ᫥ 
                    ⠫;
+ [#02]... + [#07]  ᨣ "DirSys" - 䨪 ⥬;
+ [#08]             ᨣ "1" - 楫   ᨨ
                    ⥬;
+ [#09], + [#0]    ᨣ "00" - ஡   ᨨ
                    ⥬;
                      ⥬ 1.00
                    
 ࠧ饭 䠩  ⠫. 256 :

+ [#0B]    浪  ⠫,  ஬ ਭ
           0- 䠩;
+ [#0]    浪  ⠫,  ஬ ਭ
           1- 䠩;
...
+ [#89]    浪  ⠫,  ஬ ਭ
           126- 䠩;
+ [#8A]    浪  ⠫,  ஬ ਭ
           127- 䠩;

+ [#8B]    浪  ⠫,  ஬ ਭ
           1- ⠫;
+ [#8C]    浪  ⠫,  ஬ ਭ
           2- ⠫;
...
+ [#108]   浪  ⠫,  ஬ ਭ
           126- ⠫;
+ [#109]   浪  ⠫,  ஬ ਭ
           127- ⠫;

+ [#10]   #00 -  १ࢨ஢;

᮪  ⠫.  :

+ [#10B]... + [#115]   11 ᨬ -  1- ⠫;
+ [#116]... + [#120]   11 ᨬ -  2- ⠫;
...
+ [N*#0B+#100]... + [N*#0B+#10A]  11 ᨬ - 
                   ᫥,  ⠫  浪
                   ஬ N;

+ [N*#0B+#10B]   #00 -  ⥬.

      ᯨ᪠  ⠫   ⢠ 
⠫.  ࠧ - 1 ,  ⢨ ⠫
 ᪥ (⢥ 㫥  㪠뢠   ⥬).
ᨬ ࠧ - 1398 ,  127  ⠫ 
 㫥  㪠⥫  ⥬.

     浪  ⠫    ,    -
  ⮬  浪:   1-  127-. ୥
⠫  浪  0.

     ⥬ 樠 ⥬     10    11 ᥪ
㫥     ஦    (ࠧ    ᫥    ⥬    ᥪ)
᫥⥫쭮 :  #19, #D0, "DirSys100", 257  㫥.

       ⠫  ᮤঠ ᨬ   ASCII 
#20    #7F  (  ᮮ⢥饬  plag-in'  by HalfElf  FAR
Manager'a    PC,     ⠫  ࠧ襭 ᯮ짮
᪨ ᨬ  DOS-஢,  뫮 ᮣᮢ  ஬
DirSys). ᫨  ᨬ  ⠫ ࠢ  #01, ⠪
⠫  ⠥  㤠. 騥 ᨬ  ⠫
  ASCII #20 (஡). ਬ,  ⠫ "My
Dir",    㤥            ᯨ᪥      ⠫   
᫥⥫쭮 : #4D #79 #20 #44 #69 #72 #20 #20 #20 #20
#20.

       㯫⭥  ᪠   ᢮ ᪠  㤠
䠩    ⠫  室  ஢ 㯫⭥ 䠩 
筮, ⥬ ந 㯫⭥ ᯨ᪠  ⠫, ⥬
஢          ᮮ⢥   ४   ⠡
ᯮ 䠩  ⠫.

       ᢮  㬥 DS   ᥪ   ⮬ 
࠭   ଠ  22 ⠫. 쭥襥 㢥祭
⢠   ⠫   맮   㢥祭   ᫠  ᥪ஢,
 ⥬.

     稥  ⥬    ᪥  ।      10
ᥪ  㫥 ஦ ᨣ "DirSys"  ᤢ  砫
ᥪ  +02.  ⭮  ⥬  ஢    ᮢ
⠭ CRC  ᠭ CRC  ᠬ 砫 10 ᥪ.

     ᫥    ,  ࠣ饣  DS (६饭
䠩    ⠫  㣮 ⠫, ᮧ  ⠫,
२      㤠  ⠫,  㯫⭥  ⥬)
室  ᪮४஢     CRC. CRC 뢠
稭    2    砫  ⥬     ᫥ ᨬ
᫥      ⠫   ⥫쭮.  㫥  
䨪  ⥬   CRC  뢠.

CRC 뢠 ᫥饩 ணࠬ:

;室 ࠬ:
;HL - 砫  
;DE -   
;室 :
;BC - ஫쭠 㬬 

CRC   PUSH HL
      INC  DE
      LD BC,#0000
CRC1  PUSH DE
      LD A,C
      XOR (HL)
      LD E,A
      PUSH BC
      PUSH HL
      LD BC,#0000
      LD D,#08
CRC2  PUSH BC
      LD A,C
      RRA
      LD A,B
      RRA
      LD B,A
      LD A,C
      RRA
      LD C,A
      POP HL
      LD A,E
      XOR L
      AND 1
      JR Z,CRC3
      LD A,B
      XOR #A0
      LD B,A
      LD A,C
      XOR #01
      LD C,A
CRC3  LD A,E
      RRCA
      AND #7F
      LD E,A
      DEC D
      JR NZ,CRC2
      POP HL
      POP DE
      LD A,D
      XOR C
      LD C,A
      LD A,E
      XOR B
      LD B,A
      INC HL
      POP DE
      LD A,H
      CP D
      JR NZ,CRC1
      LD A,L
      CP E
      JR NZ,CRC1
      DEC DE
      POP HL
      RET

祭, 頥  ॣ B, ࠢ  ⮬ 
ᬥ饭 + [#00],  頥  ॣ C - + [#01].

                       न 
                       =================
        ᥬ   ᠬ,   訬     ᠭ  ⥬,
頩  ᫥騬 न⠬:

mailto:CityAceE@zx-pk.ru
https://zx-pk.ru/threads/5998 (㦤    㬥  "Speccy 
 롮!")

----------------------------------------------------------------
() 2000 ⠭᫠  aka CityAceE
() 2000 ਩ ﭪ
() 2000 SIMM
