ͻ
              ਭ  Z80              
ͼ

    㤮⢨ ।⠢塞  ⠫-
   ⭨/Vega (--
)  ⠪ ,   
㬥.   ᢥ饭    -
஭, . .  - 訩   ᯥ樠-
 (᫨    MOA :) )   ᥬ,
 ᠥ SMUC',     ன⢠,
饣 ࠡ  "ਡᠬ"  
 Speccy!

     ࠡ⠥  ᮬ  -
祭    CD-ROM,     祬
  !     㦥  祭!   ⮡
CD-ROM ࠡ⠫ 業, ॡ .
ଠ: ᯨ᮪  ATAPI    -
ᠭ, ࠩ CD-ROM' (   祫-
᪮  設 몥),  ⠪ -
   㬥  __  ATAPI
CD-ROM' - ਭ樯  ࠡ, .

   ଠ   ⠪ ᠬ:

   ZXNet: Vlad Sotnikov (500:812/08.9)
    Fido: Vlad Sotnikov (2:5030/885.50)

   ᫨    㯠  ⨬ , 
     ।樨,   ।
 .
__________________________________________

(C)  ⭨/Vega, 2000

        -= Spectrum   =-

   1.   ஬  Spectrum'.
   1.1. .
   1.2. 饭  .
   1.3. ன⢮ .
   1.4. ନ.
   1.5. 饭  ॣࠬ    Scorpi-
on'e.
   1.6. ᠭ ॣ஢.
   1.7. ⥭   .
   1.8. 樮஢ .
   1.9.    .
   1.10. ᠭ  .
   1.11. । 䨣樨  -
.

   2.    Scorpion.
   2.1.   .
   2.2.  ᠭ ࠧ.
   2.3. ७  ࠧ.
   2.4.   Is-Dos.
   2.5.  ࠧ TR-DOS.
   2.6.  ᥪ 権.
   2.7.  ஫쭮 㬬.


  1.   ஬  Spectrum'

   ,     ᠭ, ᭮  
 筮  ,   ⮬  ࠪ-
  ଠ    ᪫.
᫥⢨ ⮣  ᠭ    -
 筮  ࠡ⪨,   
࠭ .


              1.1. 

       饭  ணࠬ-
  ⪮  ᪠, 뢠  ⠪
"",     Scorpion.  
ᠬ , ᫨    祭
१ 㣮 ஫,   㦭  
  ⮢ 襣  ஫, 
   ⮩  ᬮ 
 ணࠬ஢.

    -  ꥬ ⠢-
  , ᮡ   -
饥 ६,  ࠧ ଠ樨   -
,      ࠧ ॢ蠥  ࠧ
⨢  ஢.   -
⥫ ଠ樨,   ᪨, -
 ᢮ 㠫쭮. , ᬮ  ,
  ६ 室    -
,     ⮫쪮  . 
ᮦ,     ⥬
TR-DOS    ᯮ짮  
   ⥩    ⮬, ࠡ-
   , १ ,   
⮫쪮  ᪮쪮 ࠧ 㢥  ᪮
ࠡ  ⪨ ᪮,     ॢ
   ⨢   -
, , ᮡ⢥,   ᤥ    ⠪
,  PC.


       1.2. 饭  

   ⠪,        
类.  ਠ -  饭  १
ࠩ.  PC  ⠪ ணࠬ, -
       ᪫
 ࠧ饭 䠩  ⥬ MS-DOS. 
㬥 ⠪  ࠩ஬    
䏇 4.01, ஥ ।⠢ -
   ࠧ TR-DOS ᪥. ࠧ
砥   A, B, C   D  १
⥭ ,   ணࠬ ࠡ-
     ⥫,   -
,    ᪠  頥
 ஬.  室   -
 ⪨.  ⭮, ন-
 ⮫쪮 饭   TR-DOS  १  -
ணࠬ  #3D13 (⢥!),   -
᪨ 饭 ⨯ #3D2F ਢ  ⮬,
 ணࠬ  TR-DOS ࠧ  
  ࠡ.     ⮬.

   ஬ ⠪ १ #3D13 ⥭  -
 । 饭  ⪮ -
 १  RST 8.     
뢠, ਭ樯  ࠡ   
  "SMUC,     祭
 ࠡ, v1.2".  ன  ਠ  ᥣ
 㢥稢 ᪮ ⥭   
,  ⮬ 業   
 .


        1.3. ன⢮ 

     -    ன⢮,  饥
७ ஫ ⥭,   -
ࠡ⪨ ଠ樨.  ࠧ, -
  室 稢  
믮  楤 -   
ᥡ ஫. ⢥ ணࠬ஢-
 ⪮ ᪠ -  ।   -
,  ⠪ ।/ਥ     -
ଠ樨.

       ᫥  
७  :     
஥ ⢮  樫஢.   
樫   ।  ⢮
.       -
⢮  ᥪ஢. ᫨  ६  
 祭,  稬 饥  ⢮
ᥪ஢ ( 512 )   ⪮  ᪥.
  ᫮    2,   㧭  
ꥬ.

    ᮡ  ࠧ㬥,   ᪠
    祣 -
   ॠ묨 䨧᪨  ࠬ-
.   16       ,
    ⢨⥫쭮 16. -
筮 䨧᪨   3-4,   ⢮
ᥪ஢     ஦  ,
   -᪥.    , -
  ⪨ ᪮  室  १
 ᪨  ࠬ,   ᪫祭
,      ०
LBA (Logical  Block  Addressing),   
  樫//ᥪ
ࠧ 㪠뢠 ⭮⥫  . 
० LBA   ᠭ   㤥, -
᪮       筮  ॣ, 㤠
 28-ࠧ來  뢠.

    ॣ     ᠬ.
᪮쪮  ,   : ॣ  -
  (), ॣ  ᥪ஢,  ॣ
⥫/  ॣ  ⥩
( ,   ॣ  訡, ⮫쪮  
).  ॣ  ஡ -
ᠭ .


            1.4. ନ

   । 砫 ᠭ   -
ਬ  ନ,     㯮ॡ-
   ⮩ .

    ᪨ : ⮨  3- -
祭:  樫,     
 ᥪ.

    ⭮⥫ : 4-  
⭮⥫쭮    . ᯮ-
  LBA ०.  ० ᪮ -
樨 ८ࠧ   ᪨  
ணࠬ SET_.   㬥    -
  1.9    ᯮ  ⮫쪮
3 .

    :      ࠢ  512
⠬. ⮬   ᥪ஬, 㯮-
   ⮩ , 室  -
 512 .


 1.5. 饭  ॣࠬ  Scorpion'e

   ࠢ ஫஬ ந室  -
।⢮  ॣ஢.   ॣ  
஫  SMUC  ᮮ⢥  . 
㤥 㪠뢠 冷   ॣ-
.  ᮦ, 饭  ⨬  ⠬
  Scorpion  ந室 
祭  TR-DOS. ⮬  -
祭   㤥 룫拉 ᫥騬 -
ࠧ:

;OUT register A.
;in: [BC] -  
;    [A]  - 祭, 뢠  .
OUT_A   LD IX,#3FF0
        PUSH IX
        JP #3D2F

     ⮬,    饭    ⮩
    ⮬᪨   砥-
    TR-DOS     믮   
OUT (C),A.

   ⢥⢥, ⥭:

;IN register A.
;in : [BC] -  .
;out: [A]  - 祭, ⠭  .
IN_A    LD IX,#3FF3
        PUSH IX
        JP #3D2F

       ᠬ, ⮫쪮  믮
 IN A,(C).

    ᫥ ਬ   㤥  -
  ⨬ ணࠬ.  , -
 ந ⥭        
(ॣ) .  ਢ -
 ᠭ  ॣ஢.   -
,  襥 祭 ॣ  ᥣ
ࠢ #BE.   ᯮ짮   -
⨬樨      㢥祭  ᪮
ணࠬ.


         1.6. ᠭ ॣ஢

            (#FFBE)

    ⮫쪮  .  ॣ
ᮤন  , 뫠 -
. 믮    稭  ࠧ
᫥  ⮣  ॣ. , -
,   #E6 ⠭  ⪨
. 襬:

        LD A,#E6
        LD BC,#FFBE
        CALL OUT_A
        RET

      ⠭.

         ﭨ (#FFBE)

    ॣ ᮤন ﭨ -
⥫. ন ⮣ ॣ -
 ᫥ 襭   . -
⢥,  ⮣ ॣ:

      7   6    5   4   3   2    1   0
    Ŀ
    BSYDRDYDWFDSCDRQCORRIDXERR
    

   - BSY ().   ⠭-
 ࠧ ᫥ ।  
 뢠 ⮫쪮 ᫥  ⮣,   
  믮.    ⠭-
  ᨣ   ⮬,   ⪨
 믮     "".

   -  DRDY  (⮢  ⥫). 
 ⠭  ⮬ 砥, ᫨  -
 ⮢ ਭ .

   - DWF (   ).  㪠-
뢠  ⥪饥  ﭨ    -
 (?).

   - DSC (⠭ ᪮  襭).
 㪠뢠,    ᪮  -
⠭  ஦.

   - DRQ (  ).   㪠뢠,
 ᪮ ⮢   ।  ᫮  
     ⥫.

   - CORR (ࠢ ).   㪠-
뢠,    ⥭    ந諠
४   뫨 ࠢ.

   - IDX ().  ⠭ 
  ᪠.

   - ERR  (訡).   㪠뢠,   
祭 믮 ।饩  -
諠  訡. ⥫쭠  ଠ
⭮⥫쭮 稭 訡  ᮤন  
 訡.

   묨 ⢥묨     
 BSY, DRQ  ERR.    
 室 ᫥  ᫥-
⥫쭮 ⢨:

   1.   (१   -
).
   2.   ᨣ BSY.
   3. ਬ   ERR. ᫨    ⠭-
 - ⠥  訡  ࠡ뢠
訡.

   襬 ணࠬ,  㤥 -
  ᨣ BSY:

NO_BSY  LD BC,#FFBE
        CALL IN_A
        RLCA
        RET NC
        JR NO_BSY

    ⨬  横      , 
ᨣ BSY  㤥  .   
  饭  ⮩  -
ணࠬ.

   ணࠬ ஢ન 訡:

ERR_    LD BC,#FFBE
        CALL IN_A
        RRCA
        RET

   ᫨  室 ⠭ 䫠  ७-
,   뫠 믮  訡.

     ।騩  ਬ, ⠭-
騩 , 㤥  룫拉  ᫥騬
ࠧ:

      LD A,#E6
      LD BC,#FFBE
      CALL OUT_A
      CALL NO_BSY
      CALL ERR_
      JP C,ERROR...
      RET

   ⠪, ⥯  ⭮,   業
᫠   .    -
 ணࠬ,   .

;HDd Send Command.
;IN : [A] -  .
;OUT: CY  -  믮  訡.
HDSC  LD BC,#FFBE
      CALL OUT_A  ;᫠ .
      CALL NO_BSY ; 믮.
      JP ERR_     ;ᬮਬ,   訡.


   騥 ॣ 㪠뢠  -
,   ᥪ,  묨 -
室 . ,  ⥭  -
஢  㧭 ,  室 -
.       ॣ  㣨
祭    ᢮  -
,   믮   ⥭/-
  樮  ᮮ⢥⢨ 
祭ﬨ, 묨   ॣ.

   ( ) (#FDBE)

    ॣ ᮤন   -
砫쭮  樫      -
  樨. ᫥  믮  -
  ॣ  ,   ᥣ
ࠦ ⥪騩    樫. 訥
ࠧ  樫   -
   ॣ.

   ( ) (#FCBE)

    ॣ ᮤন 訥 8  -
砫쭮  樫      -
 樨. ᫥  믮  
 ॣ ,  ᥣ  -
ࠦ ⥪騩  樫.

         (#FBBE)

    ॣ ᮤন  砫  
ᥪ   樨   묨. -
 ᥪ    1   ᨬ-
 ᫠ ᥪ஢  ஦.

     ⥫/ (#FEBE)

    ॣ ᮤন     
⥫. ন ⮣ ॣ  -
  ⥫     
믮   Initialize  Drive  Pa-
rameters.

       7   6   5   4   3   2   1   0
     Ŀ
      1 LBA 1 DRVHS3HS2HS1HS0
     

   - DRV  -    롮  ⥫. ᫨
DRV=0,  ࠭ ⥫ 0, ᫨ DRV=1,
 ࠭ ⥫ 1.

   - LBA -  㪠뢠, 祭  -
祭 ० LBA.

   - HS3...HS0 ᮤঠ   -
  (稭  ),  㤥
࠭. ਬ,  ᫨  HS3...HS0=%0011,
 㤥 ࠭  3. HS3 -  訩
. ᫥ 襭   ॣ
  ᥣ  ᮤন  ⥪騩
 ࠭ .

   ⢥  祭 .   -
  ன⢮  slave\master,   
  ࠡ  . , ᫨  
⨬  ᭮   ४-
  ன, ࠫ쭮 祭, 
 室  ⠭    
 ᫮  ॣ.    ᫥-
騥   ࠡ  ࠭ -
ன⢮.

     稪 ஢ (#FABE)

    ॣ ᮤন ᫮  ।-
 ᥪ஢     ⥭/
. 祭    ᮮ⢥  256
ᥪࠬ.

    믮   뢠  
 ᥪ஢   ॣ 뢠-
 ⢮ ᥪ஢,  室
ਭ  ।.     룫廊
᫥騬  ࠧ:   ।  ⭮
ᥪ,  ⠥ ॣ  稪  ᥪ-
஢. ᫮  ⮬ ॣ  㤥  -
 ⢮  ࠡ⠭  ᥪ஢.
᫮ 0 㪠뢠,   ⥭/-
  襭.

           訡 (#F9BE)

    ॣ ᮤন ﭨ -
⥫ ᫥  믮  ᫥  
 ᪨ .

   ᫥ 襭  ,   -
祭 Execute  Drive  Diagnostic, 
ॣ ᮤন  訡, ᫨   ERR
  ﭨ ⠭ (ERR=1).

    7   6   5   4    3   2    1     0
  Ŀ
  BBKUNC 0 IDNF 0 ABRTTK0NFAMNF
  

   - BBK (祭 宩 ).   㪠-
뢠,    믮  樨  
祭 ᥪ  ࠢ쭮 ⪮ -
   ᥪ.

   - UNC (ࠢ 訡    ).
 㪠뢠,    室  樨  뫠
祭 ࠢ 訡    -
.

   - IDNF (   ).   㪠-
,   㪠 ᥪ  
.

   - ABRT (ࢠ  ).   㪠-
뢠,   믮    
뫮 ࢠ - 訡 ﭨ  -
 ( ⮢,  ,  . .)
  ⨬  .

   - TK0NF  (஦  0    ). 
㪠뢠,   믮   Re-
calibrate ஦ 0  .

   - AMNF (   થ). 
㪠뢠,   થ    
᫥ 宦 ࠢ쭮  -
.

   - ᯮ㥬  .

     ( ) (#D8BE),
  ( ) (#F8BE).


     1.7. ⥭   

   १   ⢫ -
 묨  ஬   -
஬. , ᫨  ⨬   ᥪ  
⪮ ᪠,       "-
".     ⠥    512-
 ᥪ  ᢮    . ⮬
 ⠥   ᥪ,   
. ⥬ .  ⠪ 256  ࠧ. -
砥  512  . ᭮,   
⥭    ᪮ 㣮  -
 㧠 -  , ᪮쪮  
 﫨. ⥬  ⠥ 祭 -
 稪 ᥪ஢. ᫨ ᫮   0, 
塞 横 .  ࠧ  -
室 ⥭ ᥪ஢  . 
ਢ  ணࠬ.   HL  
 㪠   , 㤠  ,
 A - ⢮ 512- ᥪ஢.

;⠥ ᥪ,  <HDSC>.
;IN: HL-buffer for reading, A-SECTORS
READ    LD B,A
        PUSH BC
        LD BC,#FABE
        CALL OUT_A
        LD (BUF),HL
        LD A,#20
        CALL HDSC; ...
        POP BC
READ1   PUSH BC
        CALL READ_S;⠥ ᥪ
        POP BC
        DJNZ READ1
        RET

;READ Sector.
;⠥ ᥪ...
READ_S  LD HL,(BUF)
        LD BC,#00BE
        LD DE,#D8F8
READ_1  PUSH BC
        LD B,E
        CALL IN_A
        LD (HL),A
        INC HL
        LD B,D
        CALL IN_A
        LD (HL),A
        INC HL
        POP BC
        DJNZ READ_1
        LD (BUF),HL
        RET

BUF     DS 2; ६ ६ 
             ࠭   
              ⥭/.


      1.8. 樮஢ 

    㬠,   뫨,  ।  맮-
  READ 室  㪠  -
  , 㤠  .   
ᤥ ᫥饩 ணࠬ:

;Write Cylinder, Head, Sector.
;  ॣ  樫/
;/ᥪ.
;IN: DE-樫, H-, L-ᥪ.
W_CHS   LD BC,#FEBE
        LD A,#A0   ;#B0 - slave.
        XOR H
        CALL OUT_A
        DEC B
        LD A,D
        CALL OUT_A
        DEC B
        LD A,E
        CALL OUT_A
        DEC B
        LD A,L
        JP OUT_A

   ணࠬ, 믮 ⨢-
 ⢨,   । -
    , 㤥  룫拉
᫥騬 ࠧ:

;Read Cylinder, Head, Sector.
; ⥪騥 樫//ᥪ.
;OUT: DE-樫, H-, L-ᥪ.
R_CHS   LD BC,#FEBE
        CALL IN_A
        AND #0F
        LD H,A
        DEC B
        CALL IN_A
        LD D,A
        DEC B
        CALL IN_A
        LD E,A
        DEC B
        CALL IN_A
        LD L,A
        RET

   ᫨   㦭  㪠  ⭮⥫-
 ,  ᯮ ணࠬ
SET_.    ࠡ  室, ⮡  
祩 SECTOR 室 ⢮ ᥪ-
஢  ,     祩  SH_SUM  -
ந   ᥪ஢.

;⠭   D,H,L.
;  - CIL/HED/SEC
;IN : D,H,L - 24-ࠧ來 .
;OUT:  ⠭ .
SET_    LD (SET_3+1),HL
        LD HL,0,E,H
        LD A,D
        OR A
        JR Z,SET_1
        LD D,L
SET_2   PUSH HL
        PUSH DE
        LD HL,#FFFF
        LD DE,(SH_SUM)
        PUSH AF
        CALL DIV
        POP AF,DE
        INC HL
        ADD HL,DE
        EX DE,HL
        POP HL
        ADD HL,BC
        DEC A
        JR NZ,SET_2
SET_1   PUSH HL,DE
SET_3   LD HL,#2121
        LD DE,(SH_SUM)
        CALL DIV
        POP DE
        ADD HL,DE
        EX DE,HL
        POP HL
        ADD HL,BC
        PUSH HL
        EX DE,HL
        LD DE,(SH_SUM)
        CALL DIV
        EX DE,HL
        POP HL
        ADD HL,BC
        PUSH HL
        EX DE,HL
        LD A,(SECTOR)
        LD D,0,E,A
        CALL DIV
        LD H,C
        INC L
        POP DE
        CALL W_CHS
        RET

;. <<BC=HL/DE, HL-⮪.>>
DIV     LD A,E
        OR D
        RET Z
        XOR A
        LD C,A,B,A
        EX DE,HL
DIVW1   INC B
        BIT 7,H
        JR NZ,DIVW2
        ADD HL,HL
        JR DIVW1
DIVW2   EX DE,HL
DIVW3   OR A
        SBC HL,DE
        JR NC,DIVW4
        ADD HL,DE
DIVW4   CCF
        RL C,A
        RR D,E
        DJNZ DIVW3
        LD B,A
        RET

SH_SUM  DB  * ᥪ.
SECTOR  DB ⢮ ᥪ஢.


     1.9.    

   ⮡  ଠ  ,
室 ⠭      
ணࠬ W_CHS   SET_    믮
᫥ ணࠬ:

;襬 ᥪ,  <HDSC>.
;IN: HL-buffer for writing, A-SECTORS
WRITE   LD B,A
        PUSH BC
        LD BC,#FABE
        CALL OUT_A
        LD (BUF),HL
        LD A,#30
        CALL HDSC;  ...
        POP BC
WRITE1  PUSH BC
        CALL WRITE_S
        POP BC
        DJNZ WRITE1
        RET

;WRITE Sector.
;襬 ᥪ...
WRITE_S LD HL,(BUF)
        LD BC,#00BE
        LD DE,#D8F8
WRITE_1 PUSH BC
        LD B,D
        INC HL
        LD A,(HL)
        CALL OUT_A
        LD B,E
        DEC HL
        LD A,(HL)
        CALL OUT_A
        INC HL
        INC HL
        POP BC
        DJNZ WRITE_1
        LD (BUF),HL
        RET


     1.10. ᠭ  

     ਢ ᯨ᮪  , 㠫-
  ࠡ  ஬  㬥.

            Identify Drive (#EC)
       (஢ ⥫)

   ᫥  室   -
⠭ ᨣ DRQ   믮  ண-
ࠬ  READ_S,  ।⥫쭮  ᠢ  
祩 (BUF)    , 㤠  -
 ଠ  .  
 祭:

   +2  - ⢮ 樫஢ (2 );
   +6  - ⢮  (2 );
   +12 - ⢮ ᥪ஢ (2 );
   +20 - ਩  (20 ᨬ);
   +40 - ⨯   (2 );
   +42 - ࠧ   ᥪ (2  -
         );
   +46 -  訢 (8 ᨬ);
   +54 -   (40 ᨬ).

     ⢠ , -
஢  樫஢   設⢥  砥
뢠 묨. ஬ ⮣,  ⥪-
⮢ ଠ  ⠭  -
. 砫  訩 , ⥬ -
訩.  ਢ      㤮⠥
 㦭      ,
⨩  ⢥  ..

    ⥪ ஢       
 ஡.  砥, ᫨  
 ⥪ - 0,     ।-
.

     :

    0 -  ।.

    1 - 筠  ਧ,  
  ந ६  -
樨 ⥭  .

    2 -  ਧ.  -
 ६  뢠    뢠
ଠ.

    3 -   ਧ,  ஬  ⮣
⥭ ⢫  ஢.

   祩 ࠧ  뢠, 
ꥬ  ७    .
  ꥬ , ⥬  ᪮
 묨  ஬  -
஬.

        Idle (#97, #E3, #95, #E1)
       (室  ᨢ ०)

   ந室 ⠭    -
 ᫥饩 .

            Recalibrate  (#1x)
             (४஢)

     ६頥   ⥭/
    ᪠  樫  0.
᫨ ᪮   ⠭  
  㫥  樫,   訡
"஦  " (Track Not Found).

           Read Sector(s) (#20)
           (⥭ ᥪ())

          Write  Sector(s) (#30)
           ( ᥪ())

     ᠭ .

             Sleep (#99, #E6)
               (⠭)

        ⠭.
⢥ ᯮᮡ 뢥 ⪨ 
 ० ⠭  몫祭 ⠭
 ⭮    ணࠬ
.

        Standby (#96, #E2, #94, #E0)
             ( ०)

     ॢ   -
 ०. ᫨   㦥  ⠭, 
᫥⥫쭮 ⠭ ᪠   -
.


 1.11. । 䨣樨 

      ᪠  ⮬,   
㤠   ணࠬ, ।-
 ⨭    -
.

   饨⭮,     ⮬  ᠫ,
     ⪮  ᪠
      ᥪ, 뢠
 Identify Drive,   ⠪ -
㯠   樥 Auto  Detect
Hard Disk.   25% 砥  ଠ
뢠 ୮.

     㧭 ॠ 祭  樫-
஢//ᥪ஢  ᢮  ?
   ᫮ த,  -
ண  ᥩ  㯠, 祭 -
.

      祭  : ⨬, 
 ⪮       256
ᥪ஢. 뢠  ᥪ (ண-
ࠬ READ_S).   ॣ 樫-
//ᥪ஢ ᠭ 祭 ᫥-
饣  浪 ⭮⥫쭮 ᥪ.
    ᥪ  㢥稫    1.
뢠 ᫥騩 ᥪ.     ⮫쪮
ᥪ ਭ 祭 1  㢥稫  -
  , , ।饥  祭
ᥪ   ⢮ ᥪ஢  -
.   ᠬ     (,
   ਬ  祭  0    
㢥    ᥪ).   樫ࠬ
᫮, ,  㣮 ஭, ᫨  -
  ।    ࠧ-
,  ᨬ쭮 ⢮ 樫-
஢   易⥫쭮 -  । -
   멤.   , -
 ⢮ 樫஢  - -
,  0    1  ᥪ  
樫,     ந  訡, 
  ᥪ 㤥  .

   ਢ   ணࠬ  ⮬-
᪨ । ⢮    ᥪ-
஢    . ⪠  TABL  
㪠뢠  512- .

;⮪䨣 .
;OUT: [H] - HEADS.
;     [L] - SECTORS.
A_CONF  LD DE,0
        LD H,D
        LD L,E
        CALL W_CHS
        LD A,#EC
        CALL HDSC
        LD BC,#FFBE
        CALL IN_A
        OR A
        RET Z       ;ன⢠ 
        CALL R_CHS
        OR A
        LD HL,#EB14
        SBC HL,DE
        RET Z       ; CD-ROM
        CALL NO_BSY
        LD DE,0
        LD HL,#0002
        CALL W_CHS
        LD A,65
        LD BC,#FABE
        CALL OUT_A
        LD A,#20
        CALL HDSC
        CALL NO_BSY
        LD BC,#FBBE
A_CONF2 PUSH BC
        CALL IN_A
        LD D,A
        PUSH DE
        LD BC,#FFBE
A_CONF3 CALL IN_A
        BIT 3,A
        JR Z,A_CONF3
        LD HL,TABL
        LD (BUF),HL
        CALL READ_S
        CALL NO_BSY
        POP DE
        POP BC
        CALL IN_A
        SUB D
        JR NC,A_CONF2
        LD A,D
        PUSH AF
        LD (A_CONFS-1),A
        LD A,1
        LD (A_CONFS),A
A_CONFS EQU $+2
        LD HL,#0100
        LD DE,0
        CALL W_CHS
        LD A,2
        LD BC,#FABE
        CALL OUT_A
        LD A,#40
        CALL HDSC
        CALL NO_BSY
        LD BC,#FEBE
        CALL IN_A
        LD HL,A_CONFS
        AND 15
        OR A
        JR Z,A_CONFH
        INC (HL)
        JR A_CONFS-2
A_CONFH LD A,(HL)
        INC A
        LD H,A
        POP AF
        LD L,A
        RET


     2.  ࠧ⪨ 
            Scorpion

    ⥬ MS-DOS ணࠬ  -
, ࠧ㬥, ࠡ   ।
 祭  㤮  樨    .
ॡ ᮧ  ⪮ ᪥  -
⥬ TR-DOS.     -
諨   襭  ⮩  ஡  쭮
ਣ쭮:    ᮧ  -
᫥⥫쭮 TR-DOS ࠧ  ᪮, 
    ࠧ    "ᮥ-
"  ⥫ A, B, C  D   -
 ⥬ TR-DOS 㤥 ࠡ  ⨬
ࠧ,  ॢ,     ॠ-
 .     ନ: 
䨧᪨ ( 䫮-)   -
㫨஢ (HDD-ࠧ).


    2.1.   

   ୠ ࣠  ࠧ饭  
 ଠ樨  룫廊  ᫥騬
ࠧ.

   1.    ࠧ, -
騩 ᥣ  MFS (MOA  File  Sys-
tem?).      㤥   ࠡ
⮫쪮  . ஬  ⮣  ࠧ  
⪮ ᪥  室  ࠧ
㣨 樮 ⥬.  ࠧ,
   ᯮ짮    
㬥, ⠪   㣨 .

   2.  쭮 ࠧ ᮧ-
 ⠪ 뢠   ࠧ.
   ᫥ :

   - TR-DOS.  ࠧ ᮤন  -
 ᫥⥫쭮 TR-DOS ࠧ  -
 ( 1  51).

   - MicroDos.   ᠫ    
,    ࠧ  १ࢨ஢
 ᮢ⨬  , ᯮ騬  
,  ணࠬ প ⮣  ࠧ-
 ஢     쭥-
襬.   饣 ६  ⠪  祣
ᠭ   뫮.

   - IS-DOS. ࠧ     -
 .

   - BAD.    ⮣  ࠧ  
  뢠  ,  
ᡮ ᥪ.

   ᮡ ࠡ  ⮩  ன  -
 १        
ணࠬ RST 8 쭮  ࠧࠧ.
   ਢ ᠭ ⮣,   
 룫廊 "".


    2.2.  ᠭ ࠧ

   ᮪  ࠧ  室-
  0 ⭮⥫쭮  ᥪ (0  樫,
0 , 1  ᥪ)     #01BE, 
 16 , :

   +0  -  MOA 0.

   +1  -      |
   +2  - ᥪ      | 砫
   +3  - 樫 (?) | ࠧ.

   +4  -  MOA #53 - MFS.

   +5  - ?
   +6  - ?
   +7  - ?

   +8  |
   +9  | ⭮⥫ 
   +10 | ࠧ.
   +11 |

   +12 |
   +13 |  ࠧ
   +14 | ( ᥪ).
   +15 |

   ᥣ ⠪ ⥫      4.
⢥  #53  -  ਧ  ࠧ
MFS.  5, 6  7    ⠪  ࠧ-
   㤠.    ᮢᥬ  㢥-
७  祭 3- .     ,
2-  3-   㪠뢠  ⮯
ᯨ᪠  ࠧ.

      2  ᥪ  (1024  ).
ᠭ   ࠧ    16
  룫廊 ᫥騬 ࠧ.

   +0 - ⨯ ࠧ:
        1 - TR-DOS.
        2 - MicroDos.
        3 - Is-DOS.
        4 - BAD.

   +1 |
   +2 | ⭮⥫ 
   +3 | ࠧ.
   +4 |

   +6 |
   +7 |  ࠧ
   +8 | ( ᥪ).
   +9 |

   +10 -  ࠧ (6 ᨬ).

     4-⭮ ⭮⥫쭮 -
      砫  
쭮 ࠧ.


  2.3. ७  ࠧ

   ࠧ MicroDos    BAD  ७
  . ࠧ IS-DOS ⠪
 ,  ।  楫-
   ⮫쪮  ⮩  樮
⥬.     ᪠,   -
 IS-DOS, 室騩  .


        2.4.   IS-DOS

    㤥 ந室   -
ணࠬ RST 8.  ⮣ 室  -
 ᫥ ணࠬ:

      LD      DE, ࠧ *
      LD      A,15; 砥   "D"
      LD      H,A;  MOA: SET 4,(HL)
      LD      C,35
      RST     8
      DB      #81
      LD      HL,  1 ᥪ.
      PUSH    HL
      LD      BC,#0124;  1 ᥪ.
      LD      DE,1
      RST     8
      DB      #81
      POP     HL
      LD      A,(HL)
      CP      #18; jr $+... ?
      RET     NZ; ᪠ IS-DOS
      JP      (HL); ⨫

    ,      -
 IS-DOS ᪠ 業.   祬
 :    ⥪,     -
 ⠭  ⠪ ࠭ - ।-
⮨ ।  ᠬ.


     2.5.  ࠧ TR-DOS

    ᬮਬ ࠧ  TR-DOS. 
   業ࠫ  ࠧ
 , ᪮ 設⢮ ண-
ࠬ ࠡ    ⮩  樮
⥬. ⮬   ᬮਬ -
 ஡.  ࠧ ⠪:
    ᥪ  室  -
 TR-DOS ࠧ ᪮. ᠭ  -
⭮ 筮  ᢮    -
ᠭ  ᪮.   ᠭ
16 ⠬,  +0 -  ᥣ  1  (TR-DOS),
+1 -  ࠧ ᪠  1, +6 -  -
 ᪠ (ᥣ  1, 5, 0, 0  -  ᪮
 TR-DOS  ࠧ  ண  䨪஢:
1280+1 512-  ᥪ஢), +10  -  
᪠. ⠭⭮  -  Disk??,  ?? -
浪  ᪠,     -
    .

    ,      ᪠
  室 ਡ 1 ᥪ-
.   ⮬,  ।    ᪮
⭮ 祬  512-⭠ -
,  ﬨ.

    ⠪     -
쭮 ⨬ ⢮ ࠧ  -
   TR-DOS  ࠧ.   
 ,      -
, 祬 51. ,  祬   -
:   ⮬,    
饭  ᪠   ࠧ  -
 16-ࠧ來 ॣ. ⭮⥫-
 砫 ࠧ  51- ᪠ -
 #FF33,     52-  ᪠    
#010434.  ⮬ ᨬ쭮 -
⢮ ᪮  ࠧ - 51.


     2.6.  ᥪ 権

    ࠧ  ࠧ ᪠  
  ࠩ A, B, C    D. -
ଠ  樨 室  2  ⭮-
⥫쭮  ᥪ, ᫨    
ࠡ⠥   LBA ०,     3  ⭮-
⥫쭮 ᥪ, ᫨ 䫠 LBA 祭. 
 - 1 ᥪ.   ᠭ 22-
⠬:

   +0 - ⨯ ࠧ (0 - 樨 ).

   +1 |
   +2 |  ᪠/ࠧ.
   +3 |
   +4 |

   +5 - ⨯ ࠧ.

   +6 |
   +7 |  ᪠/ࠧ.
   +8 |
   +9 |

   +10 -  ࠧ (6 ).

   +16 -  ᪠/ࠧ (6 ).

    砥, ᫨  砥 ࠧ -
,   +10  㤥    ࠧ,   
+16 -  ࠧ ᪠ (Disk01  ).
᫨  祭  TR-DOS  ࠧ, 
 +16 㤥  ࠧ (   ,
   +10).

   ⮡ 業      
ࠧ, 室 믮  ᫥騥
⢨:

   1.   १ RST 8. -
 ய  8 ࠭.

   2.  ᥪ 権   -
.

   3.   ᪠.

   4.  CRC  ᥪ 権.

   5.   ᥪ  .

   祭    樨 -
 ஫ 㬬. ᫨  -
 ⮣ ᥪ  ஬ -
஫쭠 㬬  ᮢ,     ᭨
樨    ᪮.

   ⮡ ᫨  ஫ -
,   ᫥饥:

        LD  DE,ᥪ  .
        LD  BC,508
        CALL CRC
        LD  HL,ᥪ + 508.
        LD  (HL),E
        INC HL
        LD  (HL),D
        RET


       2.7.  ஫쭮 㬬

   ਢ    CRC -
 ।⠢  MOA  ।⠢  
ᥡ,    ᭨, "ਤ" CRC-16
 CRC-32.

;Cyclic Redundancy Check.
; ஫쭮 㬬.
;IN : [DE] - START, [BC] - LENGHT
;OUT: [DE] - CRC-SUMM.
CRC     LD HL,#FFFF
        PUSH IX
        PUSH DE
        POP IX
        EX DE,HL
CRC_1   LD HL,CRC_TAB
        LD A,(IX)
        INC IX
        XOR E
        ADD A,L
        LD L,A
        JR NC,CRC_2
        INC H
CRC_2   LD A,D
        XOR (HL)
        LD E,A
        INC HL
        XOR A
        XOR (HL)
        LD D,A
        DEC BC
        LD A,C
        OR B
        JR NZ,CRC_1
        POP IX
        RET

CRC_TAB DW #0000,#1021,#2042,#3063
        DW #4084,#50A5,#60C6,#70E7
        DW #8108,#9129,#A14A,#B16B
        DW #C18C,#D1AD,#E1CE,#F1EF
        DW #1231,#0210,#3273,#2252
        DW #52B5,#4294,#72F7,#62D6
        DW #9339,#8318,#B37B,#A35A
        DW #D3BD,#C39C,#F3FF,#E3DE
        DW #2462,#3443,#0420,#1401
        DW #64E6,#74C7,#44A4,#5485
        DW #A56A,#B54B,#8528,#9509
        DW #E5EE,#F5CF,#C5AC,#D58D
        DW #3653,#2672,#1611,#0630
        DW #76D7,#66F6,#5695,#46B4
        DW #B75B,#A77A,#9719,#8738
        DW #F7DF,#E7FE,#D79D,#C7BC
        DW #48C4,#58E5,#6886,#78A7
        DW #0840,#1861,#2802,#3823
        DW #C9CC,#D9ED,#E98E,#F9AF
        DW #8948,#9969,#A90A,#B92B
        DW #5AF5,#4AD4,#7AB7,#6A96
        DW #1A71,#0A50,#3A33,#2A12
        DW #DBFD,#CBDC,#FBBF,#EB9E
        DW #9B79,#8B58,#BB3B,#AB1A
        DW #6CA6,#7C87,#4CE4,#5CC5
        DW #2C22,#3C03,#0C60,#1C41
        DW #EDAE,#FD8F,#CDEC,#DDCD
        DW #AD2A,#BD0B,#8D68,#9D49
        DW #7E97,#6EB6,#5ED5,#4EF4
        DW #3E13,#2E32,#1E51,#0E70
        DW #FF9F,#EFBE,#DFDD,#CFFC
        DW #BF1B,#AF3A,#9F59,#8F78
        DW #9188,#81A9,#B1CA,#A1EB
        DW #D10C,#C12D,#F14E,#E16F
        DW #1080,#00A1,#30C2,#20E3
        DW #5004,#4025,#7046,#6067
        DW #83B9,#9398,#A3FB,#B3DA
        DW #C33D,#D31C,#E37F,#F35E
        DW #02B1,#1290,#22F3,#32D2
        DW #4235,#5214,#6277,#7256
        DW #B5EA,#A5CB,#95A8,#8589
        DW #F56E,#E54F,#D52C,#C50D
        DW #34E2,#24C3,#14A0,#0481
        DW #7466,#6447,#5424,#4405
        DW #A7DB,#B7FA,#8799,#97B8
        DW #E75F,#F77E,#C71D,#D73C
        DW #26D3,#36F2,#0691,#16B0
        DW #6657,#7676,#4615,#5634
        DW #D94C,#C96D,#F90E,#E92F
        DW #99C8,#89E9,#B98A,#A9AB
        DW #5844,#4865,#7806,#6827
        DW #18C0,#08E1,#3882,#28A3
        DW #CB7D,#DB5C,#EB3F,#FB1E
        DW #8BF9,#9BD8,#ABBB,#BB9A
        DW #4A75,#5A54,#6A37,#7A16
        DW #0AF1,#1AD0,#2AB3,#3A92
        DW #FD2E,#ED0F,#DD6C,#CD4D
        DW #BDAA,#AD8B,#9DE8,#8DC9
        DW #7C26,#6C07,#5C64,#4C45
        DW #3CA2,#2C83,#1CE0,#0CC1
        DW #EF1F,#FF3E,#CF5D,#DF7C
        DW #AF9B,#BFBA,#8FD9,#9FF8
        DW #6E17,#7E36,#4E55,#5E74
        DW #2E93,#3EB2,#0ED1,#1EF0

    __________________________________
         


4C45
        DW #3CA2,#2C83,#1CE0,#0CC1
        DW #EF1F,#FF3E,#CF5D,#DF7C
        DW #AF9B,#BFBA,#8FD9,#9FF8
        DW #6E17,#7E36,#4E55,#5E74
        DW #2E93,#3EB2,#0ED1,#1EF0

    _____________________