 !      Altair-DOS V3.00 
     ..  
        -
   .    Beta- (12.1995)

______________________________________________________________

       +-----------------------------------------------+
       |      Altair-DOS V3.0.  |
       +-----------------------------------------------+

  1.        
  -----------------------------------------------------------

              
, ..  ,   -   (
  - ).     
     ( -
  - )      .  
,      ,
          
       ,  
 .  ,      
-      
   "",  .  -
 ,    ,      
  .       -
,       
  .  ,  
         
       -
    "  ".   -
  ,      -
 ,     - 
 ,         -
     ,   ( -
  !)        -
 ,    .   -
 ( ),     
  ,       .  -
 . ( CP/M,   Apple Macintosh) -
 100%   ,  .    
         .
    1984 .  Apple MAC-128 (128
. 512*384)        
 Apple MAC  (: Clor Classic II, 1993)    -
       Apple MAC 
    Apple MAC (   -
       ) -   ,
    ""  .    "-
"    ,    - -
  IBM-  SVGA  XT  CGA. -
          (
    ) -  - ,  
     ,   . - -
 ROM-BIOS  -128,     
    (    , BIOS
     ,   -  -
  - , -7    )
  ,     -
   ""    ( -
   ,    -
   -    ).   
 ,   " " ,    -
   ,       
,        .
   Z80CARD-II,  -128,  -
   2 .  ,   -
   (  CP/M -     ),
  1995   - (   ,
   ,       - 
   ),         
 3-  4-  ,    -
 ,       .
 ,     (  -
-),   -   -
     LUCKSIAN-KEY   -
   ,     
  CP/M-80   1975 .
 ,    ,  , -
          
 (2-2.5  "-"     7-8 
  RS232,    Microsoft),  
     -
   DOS   , 
   -  DOS,    
 RTX-11  11/16 ( .,  1987-93)
  1995         -
          Beta-  (Z80CARD-II).

   2.       . DOS
   -------------------------------------------------------

     ,  "    -
  " "       
 .              
,       .  (  
 "" DOS-BIOS).  ,    -
 DOS,       
,     (  -
          
.).    DOS       -
   " " .   (-
,     CP/M, ).     
 -    .     
  16   0000 (   DOS   "-
"  Z80CARD-II),      -
 DOS   ,  DOS-BIOS ""  
" ".       
-    ,   128  (    
 ., .  -128   192-256 ).
     DOS,       
 (   10- ),     "".
  ""             DOS
   .. BDOS,     
   CC06h (,     
 CP/M-80,    : CALL 5).  -
  " "    -
 -   ,      
Z80.  ,  "       
,    ,     (  -
),       ( ).
   Z80    .
(     " "   -
      ""    ,
    ).   
,    ""       
 ,  DOS.  ,   ( -
  DOS)   -128  ,   4- 
,         -
           
     (     , 
    ). ,     " "
  ,     .
 .,   DOS     
 (    .).
      , .  
       -
        -
    (   -
   ).

           3.  " " DOS V3.00
           ------------------------------------------
      " ",     -
  CP/M- ,      
.   CP/M    
   51 ,     (-
     ),   DOS  -
  " ":
-   4000-CBFFh - TPA
-   0000-3FFFh - XTPA
-   CC00-FFFFh -      
              .
-   F000-F0FFh -    -
        (.)
-   XTPA  ""   16   1
            1   "  "
-       ,   :
  1.    80*25      (  )
  2/. 4-  80*25   ( 6*10)  -   
  2/. 4-  60*25   ( 8*10)
  2/. 4-  96*25   ( 5*10)
  3/. 16-  80*25 ( 6*10)
  3/. 16-  60*25 ( 8*10)
   8*10  (.  ),  -
     ,     ...
      " "    ,  
   ,    ""  ,  . 
      (    
     XTPA  TPA -       ).
-      4 .,  -
       , .  -
       " "  
  ,      -   -
     ,     -
  ,        ""  
    .        -
  ,      -128    -
   (.   ),     -
   "  DOS",      
            ,
    DOS V3.00 (  - !).
- " "       
   , .  EI/DI     ...
       , "" -
     DOS,        
-   ().     
  DOS V3.0    .   
  "" ,   .  -
   ,    ( 20 ,   -
     . )   -
     1.        
  (    -  0.02   22 ).
  ,    (  58053    SPCC)
            -
   (       ,
  .       -        
     ).      ..
   ,       ...
       - ""    -
     .       
  DOS V3.00  EXE   (  DOS V3.00  
    ,      
       , .  0  
    -128      
   ,  .   DOS  Z80CARD-II  
        -
   ,      (  Z80CARD-II,
    -128  Z80)        -.
-  ,    " " -
    ,  .    -
        "  "     
-        
  CP/M         (.  )
-     (.)     -
     (  ,    
       Z80,   -
               ).
-   ,    -
   :   -  , a
  READER  PUNCHER  CP/M-80), . -  (LST),
  MOUSE, COM2  WATCH.    DOS .  /.
         (-)
-    ,    .  -
      1 ,  
    " " Quasi Expanded Memory (.).
  "" ,     ,
 ""  ,    ,
     Altair-DOS.    -
      .

      4.    ,   
      ---------------------------------------------------
      " " DOS V3.00,  -
,   " "  CP/M-80 
""  DOS V3.00.       BDOS 
BIOS   ,    ,    
    CP/M,  ,     ""
CP/M-  (.     CP/M,
 " "      )     DOS
V3.00 (  ""       ,
    ""... .   -,
-  -128 ). DOS V3.00 
      ,  , 
  CP/M-80.  ,  .  DOS V3.00 -   DOS 
,  (    
 "" , .    -), DOS
        "
" -  ,    MULTI-TASKING  
 , .   ,  
        
.        
    .    DOS 
    .    -
 CMD   .   CMD--
         COM-. 
COM-       100h    
 51968  (51   100h),  CMD-  
 TPA,    4000h     ,  
     ( 2- ).  -
  CMD- .  32    
  TPA   4000h.    -
    XTPA.   -
, -   CMD-  ,  DOS  ( CCP)  
     ,     -
  XTPA.      ""  -
        1 (.  1-2
 ""  -  16   TPA).   
    (    4000h). -
 ,       ( -
 ,   ),    
 32K TPA 4000-CBFFh,      ,
        -
  Z80     ,   -
   XTPA         
 (  DOS   ).  -
      ,    -
  -  .    -
 ,       -
 .        -
        
,   - , -
,  ""  .    -
 ,    .  
,   ( )   -
         -
 (    ).    -
 ,   ,     -128
     ,    -
     -  ,    
      ,     -
   ,       
     (  ). -
       , 
  .      
   ( .,   
        -
  , "  "  ,  
20 ).  -        
.     ,   -
 .          
 (  ).      -
    ""  .    -
 , . COM- CP/M    ,
       ,   -
     .     
   ,      
    .   DOS -  
  .       
 CP/M ( ). ,    ,
 -    ,    -
   XTPA.     (.  -
   ),         
 DOS.       ( )
 ,   .    ( 
 ).       (.   
CONFIG.SYS   .      ),
      -   -
 DOS (          
 RESTART DOS  CALL/JP DA00,  "JP 0"  CP/M
)   ,       .
     (,  ), 
       
        DOS.
  ,     -
, .      -
      
(  MS7007  F5  -86),      -
.    ""   -   
      .   
 ,  "" ( "" - KILL),    
       DOS   
 (        
).    CMD  COM  
   .    ,
  :      -
,   TPA,   (2),   
       XTPA,  -
     XTPA   (    
 ,       ),  -
   ""     .   -
  ""   (  ,  
      ),  "" 
,      ,   
 (   ).      
   , -      
. ,      -
  DOS V3.00 ( COMMAND.COM),    -
      DOS   -
 .        -
     ( ),     "-
"     (.    ). -
        ,   
 ,    ()   -
      ,     DOS.
        KILL 
 .       ,
 Altair-DOS V3.00    .   -
-  , .  ,   CMD-.    
  ,    , . 
 ,      XTPA (  -
   - 32)       -
,   .    SYS, 
   , .      
 INT,    .   -
 SYS         -
 (      ,  CMD- 
 4000,    XTPA). SYS-   
 .         (.
 ). SYS-    .
 /    .    -
  DEVICE BDOS (. ),  -
  /    -
      ( ). -
     -   " Z80-"
(/  -  )
,      " ",  
  .       , 
      (   
"", -  ).    DOS -
    ,     -
  DOS-BIOS.    ,    
, ""   ,   
,        
     (     
     - 
       ).   ,
   ,    -
 .  ,     -
    ADELAIDE (480PLUS.SYS Adelaide 1994),  
    " WINDOWS-
  LUCKSIAN-KEY",       
      .  -
    " ",  -
     ACP/M   2.10 (  -
       ,         ).

           5.    Altair-DOS V3.00
           --------------------------------------
       Altair-DOS V3.00    
  CP/M-80 V2.2 (Digital Research 1979). 
BDOS       -
  (  , .  -  .-
),   (8 )    . -
     " " OS-DOS V2.60 
ACP/M V2.XX.       . 
      .
       ""   CP/M-
          
 ,   .   ,  
     .     -
      (:   
 Black Cat)       
.    () ,  
       
 (16    ,    
   256    ).    -
        ""
 (   32 ).  ,  -
 BDOS ,    (  -
 -        
     ).    
,   DOS V3.00 (     V2.XX) -
     (.  
)  .    ,  
          (
     ,  DOS V3.00   ).
,      ACP/M V2.XX,       
    (. CCP  ""  ),
     CP/M (  .  OS-DOS).
 ,     DOS   , 
        ( ), 
         "",  -
      (      -
 HD/DD-    -   .
 MS-DOS ""  ). ,   
 OS-DOS .:        - ;
   OS-DOS  ( OS-DOS 48K), 
-  ;   ACP/M -   ""; 
 CP/M -,      -
 ...

                6.    DOS V3.00
                ---------------------------------
        ( ) 
 1 , DOS     
" ", .     (
) .     .   
1  (  , -  .  DOS V3.00 -
     ,      - " 
 "),      ( -
 ,    -     -
 "  "  ,    -,   
         ).  
   DOS  ,   -
,    - QEMM.SYS ( -
  IBM PC - Expanded Memomy Manager).   -
,       10 .  
      (  DOS-BIOS, .
  DOS   ).      
      "" .
          40h -
 (.        -
).  A  0  ,   FFh  
,     -   16    
.   0-3FFFh      .  -
   16     0  . 
    ,     FFh
,        -
     .    .,
        . (.
  "D:")      
  "" .  ,   
     16 (.  DOS   ,
 Z80    Z-CARD -,   Z80CARD-II)
   (     XMSET
 XTPA), ""  . , 
      -128
.    ,  /-   16  
   (   :  -
  F9, ,  , ,  ),
   ( 10 ),   -
   16  . SP-Computer Cluba-a    (
 ),       - 
  Z80: OTIR  INIR).      ,
  ,  -128   .
,   DOS  Z80CARD-II,  -
 XMSET   50.000  .       DOS
       QEMM.SYS    
 ,    XMSET     
 40h        -
    0-3FFF        0FFh. 
    " "  
 XTPA (  ,   
  DOS,     ,    .  
WATCH.SYS    ).    -
   ,   Expanded  XTPA  
 ,      . 
 " " QEMM    -
      , -  -
 BDOS    (.    DOS-BIOS  -
    ,    
 ""  .     DOS  
   -128  (  )  
   ,   , .
,          
             .

         8.    WINDOWS 
         -------------------------------------------

    ,         -
  ,    3 ,  -
  ( -  )    
         
   (     
),     ,  INT,   NMI -
,   DOS,    ,  -
    WINDOWS  IBM PC  Microsoft.
         -
- (.),  LUCKSIAN-KEY ()    .
(),       WINDOWS, 
 DOS    ,   -
  WINDOWS   IBM PC, Apple System V7.1  Apple MAC
 Apple POWER PC  NEXT,   .

    9.    DOS  
    ----------------------------------------------------
         "" -
 .      DOS V3.0, .
  .     DOS V3.00 
  12    2 .   
  12  (    ).  -
       ( 
    COMMAND.COM        , 
DOS   ),        "
"  CCP CP/M ( ""  -
      CCP CP/M
      C400-CBFFh).   -
   BDOS  (  -  
 " "      6 -  . -
 ,      BDOS).   -
       XTPA  -
 0,   CP/M- (  -
   ).      -
   6   (2   -  CCP).   4 
   SUBMIT (      -
 SUBMIT.COM  CP/M V2.2   ).     
  ""  SUBMIT  SUB-.
 KILL      (-
       ,    ). 
SHOW            .
DISK         .  DATE
       ,   
CLOCK.SYS   .  VER  LABEL  ,
     ACP/M V2.XX.    NAME 
  (  0)    (    0-
).  4       -
 BDOS ( , ,     
COMMAND.COM,       ,  
).    COMMAND.COM  1
.  (  ). COMMAND.COM   -
,       COMMAND.COM  - 
, (       4000)
           . 
 DOS          CONFIG.SYS.
    0           SYSTEM.
           .
CONFIG.SYS      ACP/M -
       (    -
).     . - USER.  -
   - USER N,  N .   0  9. -
    ,      SYS-
a    (   CONFIG.SYS  -
 (0) ).      
  CONFIG.SYS.       CONFIG.SYS
       (  )  
 ( DOS V3.00)  .     (
,   )      :
(ROM) STARTUP.SYS, CONSOL.SYS, COMMAND.COM, : TAS.SYS
   CLOCK.SYS.    - 
  Altair-Soft.    " -
",       . 
     CONSOL.SYS   -
        (,  -
        -
 )     ,   -
 CONSOL.SYS   COMMAND.COM   -
  .  COMMAND.COM      ()
    (     COM-
MAND.COM).  ,    ,  
        64: 16 - BDOS
32  - COMMAND.COM  16  - CONSOL.SYS.  QEMM.SYS  
      ( . SP-Computer
Club-a  1995 -  1 ) -    
.     Altair-DOS    -
  , - ,      -
  ""       .,
. (  ),   - CONSOL.SYS -
   C000-EFFF      -
. COMMAND.COM   (   )  
 C000-FFFF -       CONSOL.SYS,  
    (.    "" 
 16,  CONSOL.SYS    F9).  
.         -  ,
    ""   - EFFFh.    
 ""       
  50 (     ). 
,    " "     
      F9,   -
   1558   F7F0,      
 ...    ,       
 XTPA, DOS    "" -
   .   256    ""
      DOS. -
   -   3.00   -
 TASK.SYS (   , - .  -
      CONFIG.SYS)    
"" .       
  C000-FFFF,   -   0.    
     ,     -
     0.    -
     (1992-1994), -
,     ,   
     ( ). , 
 ( ): CONSOL.SYS, COMMAND.COM, TASK.SYS -
      CLOCK.SYS.  
   ,       CONFIG.SYS
 ,        -
 (     , -     
     ),  CONSOL 
   DATE.    CLOCK
 CONFIG.SYS  AUTOEXEC.BAT  (   ACP/M,
 ,    SUBMIT-,    BAT-, 
   "",    ). 
MOUSE.SYS      (WATCH.SYS) -
   CONFIG.SYS (      
 SYSTEM).        USER.
 - ,         DOS,  
 a   0.     AUTOEXEC
.BAT    "" (   AUTOEXEC
    USER, -     CCP).
      :  -
   BDOS (    -
  BIOS,       BDOS)    
   (SYS-, CONFIG.SYS   AUTOEXEC)
    STATUP.   -
     ,        .
           STARTUP.SYS.  
 SYS-, .       4000h
    SYS-.     -  
  DOS,       ""
.    CONSOL, COMMAND, TASK    -
    50 ( 8,       -
 CP/M "-90",   " ",
     ),    DOS ,  
 IBM PC (    MS-DOS    80 
)  ,     (  High-
Density ,   ).  ,  DOS
   ( -)     
 DOS  .    ,    -
  DOS  ,   (0-)   -
 BOOT -  DOS.       
   STARTUP.SYS (    ).
    STARTUP    -
 Altair-DOS   (  ROM-DISK-,    "-
 " 27512  ROM-BIOS).   ,  STARTUP.SYS .
   ,     
   DOS  -  
""     (   "" 5657 
 ,  DOS      "-
  ).      -
    .   DOS,    CONSOL.
.SYS  BDOS - -  , .   
    XTPA-.  CONSOL.SYS -   
,       C000-FFFF,
    (   BDOS/TPA , . 
 ""  DOS  ,    ,   ,
    ).       -
        DOS V3.00.

        11.   BDOS  
        -------------------------------------------
 40  BDOS  - CP/M V2.2,   -
,       . 
   DPB       2
 (      ). 
DOS-BIOS          
       ,  
BDOS  -        .)
   CP/M    -  CP/M-BIOS,  
    BDOS/BIOS CP/M   BIOS (:1)
  Altair-DOS V3.00   .   , 
CP/M-BIOS  Altair-DOS    -, -
    .- DOS-BIOS  -
 .   ,     -
       DOS,     
DOS      .  -
   -  BDOS (    
- DOS).    DOS V3.0  .
 Altair-DOS V3.00      -
   ACP/M V2.10 (    ).
    . CALL CC06  -
    .C   -,      .  "".
XTMEM -   XTPA, N   . ( e)
0 - INF,  N    (A),     (HL),
  (DE),   (BC)   (CY).
1 - XTPA,     , .   
 XTPA   (.  )   
2 -    . .E -  ""
  0,   .    -
 (  . ),  DOS ""  -
        .A.   
     FF  ..    -
  1 .    -
, , 10 ,   10 
3 -  .  .E   
    
DEVICE -    -. . - -
 , .DE -     12 : ,
 11  (,    FCB). .HL -   
"   "  .  HL=FFFF,   
  - .   ,    HL   
   ,   :    
     (2 ),   (2 -
),    " "  FFFFh,    
 (2 ),   (2 ).  -
   0- ,      -
  ,       -
      . . - 
0 -  , .     
     HL,DE   .  
     . .  -
        .
1 -     .  -
 : - (1), - (2),   
(3),  (4), . (5), . (6), EMM/QEMM  (7/8),
. (9),  (10),  (11)  AUX (0).
 .     B,   
,     ,  CY-1
REGPR -  .  DE -   PCB (Process
Control Block).       -
    ,     
S1-S4  .    PCB    Altair-DOS  V3.00/Beta:
FLAG - 1  ( ), PP (-) - 1 ,
NAME - 11    (    20h do 7Fh ( ),
SA - 2  (..  0 -   ), HSZ - 1
 (. ), VSZ - 1  (. ), NPL
- 1  (  1  4 -   .), VMD -
1  (-,  F8), S1,S2,S3,S4 - 4  (),
TPA1,TPA2,TPA3 - 3  ( FF  00 -  -
     TPA 4000-CBFF, 00 ,
 TPA  ).     
 .        32
.   - FLAG=FF.   ,  -
          
   -.      -
  (DOS ""    , .
          -
        -
     -     -
   - ,     ).
    PCB,   HL - -
   ,     -
.      -
(. ,     ).   
  ,     
  ,   FLAG = 00,     
  4000  100 (CP/M),     
- COM.  COM "",   CP/M-.   
        
BDOS/BIOS  .0-100 (5Ch/5Dh .),  TPA 4000-CC00h -
 "" .        
 TPA. CP/M-     TPA  35
,        COM,  
     ,    -
      100h  : JP 100h.
  TPA1,TPA2,TPA3    -
  TPA 4000-CC00h.      
    ""  16  32  35. -
,            
 TPA (  16,    
 TPA).  FLAG = 0       (
    , : COMMAND.COM 
  ).       -  
-     ()  .  
,     - -
  2- . ,     -
,    ,     -
  EXIT.      - .
      
CP/M (COMMAND.COM  ).      -
 CP/M,    , 
      () .
          -
   .  ,  -  -
    ,     -
,   ACCES DENIYED.     COM
  CP/M ().    
  PP  00,  -  -
   COMMAND.COM.       
        .
EXEC -  .  . -    ().
  .   .   
CP/M       .   
CP/M-        CP/M-
,  CP/M-     -
      .   
,    "" (. -
   )  ""    
   (   NMI)
 PP      .
EXIT -          
          DOS.
        ""
    - -  COMMAND.COM.
KILL -        ( )
  ,        .
 .A -    (),  DE -  ,
 ""  -.    -
,   ,   - -
,       DOS (CCP).
REGFT -    .   DE -   
: , , .       0,   -
    " "    
, BC -   ,    
, A -   , HL -     -
    HL=FFFF,   . 
-    DOS,     -
     4000h   (.    
  F9    ).   DOS
 -       (!!!!).
     (    )
TIMER -  .   HL - " ".
0 -  " ".     -  
  .      
,    20  ( , -
   ).      
1 -  TIMER, DE -    (  DOS).
 TIMER -  , .    -
  (        , 
    NMI,    ). 
 DOS    (EI)  , ,
     "  " - -
   ,   ,   -
  -.       -
    ""  
 ""  .     
 .   DOS   
  CP/M-.      -
   I    Z80,     .
 DOS V3.00   - INT.      NMI,
     DI,   -.
CLOCK - / .  HL   
   1 - ,  0 -     (DE - )
DATE  - / .  HL  
   1 - ,  0 -   (   MS-DOS)
MOUSE/ -      ( 
 ). . -     (D0,D1,D2) 
0. .DE       8080  .
USER NAME -      ( .  -
).    8 ,      
HL -          ( 8 )
  -   ( D7-D5  )
1 -   , 0 -   .    .
.    .     : USER NN
OWNER - ""    (     ).
.DE  .B -       (  0  16.800.000)
.HL -    ""   16 
1 -      COMMAND.COM   A:  "-
"  ( 16 ).    DOS  
0 -       " "    
 ""     ,  
  DOS.      - 100 ().
       , -
    .    ...
   ,      
  (.   ).

          12.     DOS V3.00
          -----------------------------------------
 "" DOS,   ,  -
     DOS.    
DOS     :
BOOT -    DOS  . -
  2  -    (256 )   .
STARTUP -    , -
           .
BDOS 1 -   36  CP/M V2.2
BDOS 2 -   . BDOS
BIOS      CP/M-80,   .  
    CP/M-BIOS.
             
    .:
MULTIPLEXOR -    XTPA  .  
    ,     -
  (       -
   ). ,        
    ""    .
 -128      
F800   /-     16  ( 
      XTPA -  XTMEM).   
  -,     ,
   (EMM.SYS  XRAM.SYS).  ACP/M V2.10 -
        RSX.SYS.  
 ACP/M V3.00      EMM/QEMM -.
INT CONTROLLER -    , -
      , /-
   50 .  - .
  -     :
     "  ".   
      20 ,    -
     ( -
   ).     -
    .   . -
   ""    -
    .
  -  DOS     -
.     . (1552   )
     
     ,  - -
 ""    .    -
 ,      - .
    ""    ,
     DOS V3.00.
  -   2 .  , -
  DOS (EXEC, REGPR, KILL)     DOS
   -  -      
.       -
      ,  -
  CP/M       -
           
(- CP/M -   DOS).     ,
       .
  -       -
   DOS.      -
 .         
  (, ),     -
.    Z80,    
.       
  ,       
   ,   .  -
   DOS   ,    DOS
  ,     -
       .  
    SYS- (   
  ,     COMMAND.COM -
 CMD-,  CCP-CP/M - COM-)
CCP -    CP/M-80.    
  "    ". ,   
  CP/M-,        .
 ,    ,   -
.   COMMAND.COM    -
    COM,  COMMAND.COM "   
",        CCP, 
 "",  "   CP/M"  -
  0000-0100h      CP/M    BDOS/BIOS.
COMMAND.COM -     (CCP  -
 CP/M - Console Command Interpreter).    
   "".       
 ,    .   -
     .    
  32  (16   16 ).     
COMMAND.COM       -
 ,     . COMMAND.COM -
        -
   CMD- (    )
CONSOL.SYS -    .   12  
        -
  (       
4 ).
       ,  DOS V3.00 -
      DOS     
  .    CP/M  -
  .    DOS   
,  (  )    0. 
,   DOS V3.00      CP/M -
 -, -   -128 (  
 - -         -128,  
  -DOS   -    !!!)

   Altair-DOS V3.00   -
   .     25-30 .
(  -128      -  ).

    Altair-DOS V3.00   -128
(    )      :

DOS.SYS     -  DOS   . C000-EFFF (10 )
COMMAND.COM -    (16 )
CONSOL.SYS  -    (16 )
COPSYS.CMD  -   BOOT  (4 )
FORMAT.CMD  -  ( )  (4 )
ROM2732.DAT -      
              (    Z80CARD-II,  -
                   )
DOS-V300.TXT -    (200 )

        
          :

OVERLORD.SYS -    (- ..)
MOUSE.SYS -   Microsoft    4.95
MAUS.SYS -     Apple MAC (  )
EMM.SYS -  ,    DOS   
           (  )
CLOCK.SYS -    58053 (   - ACP/M)
WATCH.SYS -    5121
TASK.CMD -   
QEMM.SYS - " " DOS      . 512
LPT.SYS -         SPCC 1991
CLOCK.CAD -      5121 (ORION-CAD)
NC.CMD -   MS-DOS,  Black Cat (V2.0/X)

    DOS   -86 (64K,Z80,512).

     ,  -,    
     ,     .

         , -, 01.1996

       580.   -86 !

    PS:   -86  - .   ...

                 ====  T H E   E N D  ===


 )    0. 
,   DOS 