
          ͻ
               The ZX-SPECTRUM 48 & 128    computers        
                                 ---                        
              *  Extended devices and user's manual *       
            (C) UA3PRQ / Borisov Serge        June 1993     
                                                            
          ͼ
            


            ଠ   ।砥    짮⥫
         ஢ ᮢ⨬  ﬨ  " SINCLAIR ",
           ᯮ짮     襩
         ࠭ 設  ⮫쪮     ࠧ祭,    
          쥧 ਬ  ࠧ묨 䥩ᠬ  :
         몠      ᮯ஬,       ᫥⥫
         䥩ᮬ RS-232 , ணࠬ஬  2716/ 27512 ,
         ணࠬ㥬   ⮬   58055        ன
         ࠡ   १   ,    ,    ,ਭ஬  
         .㣨.

     ᭮  ஡    ।  짮⥫ﬨ   ZX-SPECTRUM
⮨ 筮   ᢮ ਠ   '  樨'
७ ࠧ 䨪権  奬  ᯮ짮   㣨
ன⢠. 設⢮  奬    த  ,  㡫  
 ࠤ⥫᪨ , ।砫    ᮡ
ࠡ        ⨢           ਭ樯
祭 .  ⠢ 짮⥫  ६    
⨦ ᮢ⨬ ன  ᮡ ,    ᮦ  ⠪
ᯥਬ      ᮯ஢   ਮ᪨    '룮࠭'
ࠧ ⥩ ୮ 奬  ਨ,    
⪠  ਬ 奬 䥩ᮢ.
       ப ࠫ     祭  
  ᯥਬ⮢  ᥩ ଠ樨     
 ⭠.  㤥 ਢ ଠ  奬    ࠢ쭮
ᯮ짮  䥩  ன⢠    SPECTRUM      ਠ
஢७  ਬ塞  ६  ᪮쪨  ⨯
"-128".    ਠ  ஥      ணࠬ
ᮢ⨬  ஢ ZX 設  ਪ  ஢  ணࠬ
த⠬  㡥, ⠪  ⢥   48/128.

     ⠭⭮   ।   ⮢        ZX-SPECTRUM   
䨣樨    ᫥騩     (᫨   ᬮ   ⮢
।):

A15  A14  A13 A12 A11 A10 A9 A8 : A7  A6  A5  A4  A3  A2  A1  A0
__________________________________________________________________
                                :
 X    X    X   X   X   X   X  X : X   X   X   X   X   X   X   X
                                                      
     <--- #XXFE                           
                                                       #XXFE
                               0   0*  0*                0  
 1    0                           #1F               
#FFFD  #BFFD                  KEMPSTON JOYSTIK           
AY-3-8910(12)                                           0
몠 ᮯ            X #7B,#FB 0    #XXFD
                                 ਭ       AY-3-8910(12)
 0   0 *  0 *                (. ZX-LPRINT II-III)     
 #7FFD ४⥫                                 #7FFD
࠭ RAM-DISK (128K)                              RAM-DISK (128K)


                                 -2-

           奬  饭    ⥬  ⮢
  ᨫ쭮  ᫮  祭  筮   ⢠
譨   ன.      ࠭祭   㤭   ᫥.  
ਢ    奬   㪠   ,      ஫
ࠬ 饣  設⢠  奬  ("ࠤ","᪢",
"⠣-48,128"    .  㣨).    'ࠥ'    ᥡ
設⢮ ᮢ (஢  - 32768) , ..   
 A0=0,   ६ 砥   .    
ࠧ,   0 A7 롨ࠥ KEMPSTON ( "ࠤ" ਬ  
ᤥ ࠧ        ⠫  32768  ᮢ
 樨 Z80 ,.      ).      
ᠭ  த.
     ⥫쭮  祭    譨   ன   ᫥
ந ⥫쭮   ணࠬ஢ 㪠뢠  
 (  "1"-  ᯮ㥬 ࠧ鸞).      ਠ
஢  ।  ⮬ ⢥  .
        ਠ⮢ 襭    ஡  
ਬ  ⥫쭮   .         㪠  
᭮ ᯮᮡ ࠧ ᭮ ࠭⢠  奬.

      樨 ⥫쭮 ᯮ짮    ᮢ
(A7-A0), ..  ணࠬ஢ 設    Z80  饭  
⠪ ⠬ ந   ॥,  ⮬  祣  蠥
ணࠬ ᯮ짮   (.'OUT A,(C)')    ⠪
ࠧ  ᭮ ࠭⢮    ᮢ.  
    ᬮ७    奬    ஫    뤥
᫥騥 : 7,4,3.  ᯮ짮 / 5557  
 ⤥஢   ,  ⮬    ᯮ짮
  0  ࠧ襭 樨  ⠪ ࠧ   ᯮ짮
  .   室 뢠   楫  ᯥ祭
ணࠬ ᮢ⨬  ।묨 ⨯ ஢.
   ࠧ 8-   権 ᮢ  :

A7  A6  A5  A4  A3  A2  A1  A0   祭 

                                     
0   X   X   0   0   X   X   1   0      १
1   X   X   0   0   X   X   1   1       58055 (II)
0   X   X   1   0   X   X   1   2      १
1   X   X   1   0   X   X   1   3      ⠩ 58053
0   X   X   0   1   X   X   1   4      १
1   X   X   0   1   X   X   1   5       58051
0   X   X   1   1   X   X   1   6 *     58055 (I),⠭
1   X   X   1   1   X   X   1   7 *     AY-3-89XX   쭥-
                                            襣 ७

 * -⬥祭 ன⢠  ⪫砥  ⥬ 設  ZX.


                                 -3-

   奬  :

                      5557
                  Ŀ
                1     DC     15
      A7' ĴA0       0 > CHANNEL 0 - १
                2            14
      A4' ĴA1       1 > CHANNEL 1 - 58055(II)
                3            13
      A3' ĴA2       2 > CHANNEL 2 - १
                             12
                           3 > CHANNEL 3 - 58053
                             11
                  Ĵ      4 > CHANNEL 4 - १
            4           10
   * OIRQ'ĴE1       5 > CHANNEL 5 - 58051
                5           9
+5V ĲĴE2       6 > CHANNEL 6* >Ŀ
     10K       6            7                        Ŀ
          A0'ĴE3       7 Ŀ CHANNEL 7*       Ĵ1   55
                                                        >
   ON      OFF       Ŀ         A2'Ĵ   
Interface/ S1                      Ĵ1                  
                                        > #XXFD    5551
              A1'Ĵ     (AY-3-89XX)
                                   
     ४⥫ S1  ।祭    ⪫祭    (
ன 祭  )  楫 ⫠  ᫨ 室 
६ ⠭ 䨣 襣 ZX  " 砫쭮  ".
      OIRQ -  筮 砥  ஫ TR-DOS ᨣ
OUT_IORQ  -⨢      ⠬  /뢮,    DOS  
!  ᨣ    ⢨        祭
᫮   ᨣ IORQ (Z80)    DOSEN  (  ਣ  5552
஫饣  TR-DOS/SOS).

       ᮬ    짮⥫     ਬ
ਧ樨 ⥬ 設 .          ,
 ॥ "楯"   Z80  ࠭祭  ᫮  ਨ  
,   ⮣   .   48 設    
 㧪   (  ਬ  CPU  襭  .
ᯮᮡ    SHARP,GOLD  STAR,NEC    .)  ਠ  
室,  ।  楢  ᠬ  室騩  
᫨묨 ᡮﬨ  'ᠭ',   㢥祭  ਨ
 室  128 ZX, ଠ쭠  ࠡ    蠥.
⮬ ᥬ  ⮢ 쥧 ᯮ짮 ᢮  SPECCY,    㬠
ﭭ  ⮬,  १    -  㣮      ய
१    ࠡ,  ।  ⮢  ⥬  .
믮  ४   ⤥쭮  (    ⭮)  
  塞묨 ன⢠,          
⥪,    ᭮     ᨣ,   㦭
      ᫥⢨.        뢥  
 業 ਧ஢ ⥬ 設   ।࠭
ᠬ   ࠧ  '  砥'  ⨯  "ࠣ᪮
 12  設  譥 ன⢠", ஥  猪
뢥   ,,   - 奬.



                                 -4-

   設    CPU Z80:


                  5556
              Ŀ
            2     BD     18
Z   D0  ĴA0      B0 > D0'
X           3            17
    D1  ĴA1      B1 > D1'
S           4            16
P   D2  ĴA2      B2 > D2'
E           5            15
C   D3  ĴA3      B3 > D3'   室 
T           6            14
R   D4  ĴA4      B4 > D4'   設  
U           7            13
M   D5  ĴA5      B5 > D5'
            8            12
    D6  ĴA6      B6 > D6'
            9            11
    D7  ĴA7      B7 > D7'
                         
              Ĵ     Ĵ
          1            20
    RD  ĴA/B     Ucc> +5V         祭 /
            9           10           ਬ  㣨
         ĴEO      GNDĿ       ⨯  ஢ ।祭-
                                     ࠡ  設 -
                     ஢⥫ : 555(1533)4,
                                        5,6,7,58086.
         Ŀ      - 58086 (-
             4 Ŀ                     㭠ࠢ) , 6.
    A0'Ĵ &  6    4 Ŀ    
             5    oĴ1  6   
    A2'Ĵ         5    
             Ĵ   
* OIRQ'      

                 5553      5551

             5556                            5556
         Ŀ                    Ŀ
       2     BD     18                2     BD     18
A0  ĴA0      B0 > A0'  A8  ĴA0      B0 > A8'
                                                   
..  .... ..      ..  ...  ..   ..  .... ..      ..  ...  ..
       9            11                9            11
A7  ĴA7      B2 > A7'  A15 ĴA7      B2 > A15'
                                                   
         Ĵ     Ĵ                    Ĵ     Ĵ
       1            20                1            20
+5V ĴA/B     Ucc> +5V  +5V  ĴA/B     Ucc> +5V
       9           10                9           10
     ĴEO      GNDĿ            ĴEO      GNDĿ
                                                   
                      

                                 -5-

      (') ⬥祭 室 ᨣ   쭥襬 
ᯮ짮  祭 ਨ.

        ࠧ   ⥫쭮   ஡ਧ஢   ᨣ
ࠢ Z80:

                      5556
                  Ŀ
              2     BD     18       
Z     RD  ĴA0      B0 > RD'
X             3            17       
      WR  ĴA1      B1 > WR'
S            4            16        
P   OIRQ* ĴA2      B2 > OIRQ*'
E               5            15
C  CLK 3.5 ĴA3      B3 > 3.5' Mhz
T               6            14
R  CLK 2.0 ĴA4      B4 > 2.0' Mhz
U               7            13
M  CLK 1.75 ĴA5      B5 > 1.75' Mhz
           8            12       
    RESET  ĴA6      B6 > RESET'
                9            11
    १ ĴA7      B7 >
                             
                  Ĵ     Ĵ
                1            20
     +5V  ĴA/B     Ucc> +5V
                9           10
             ĴEO      GNDĿ
                                
                  

     ⥫쭮  設  ⠭   ,  ..  
ᯥਬ  '⢮  '    ⠭    .    
⮬᪨  ⪫砥     設      饭   ஬
(⥭/)  ⠬ #7B,#FB  #FE.  128   #XXFD
    ஫    奬,      饭  
ॣࠬ 㪠쭮 ᮯ  (⥭/)    ந室
४⭮, .. AY 砥  १  ;    饭    
RAM-DISK (#7FFD) ந  ⮫쪮            ,  
ਭ樯,  ,   ய᪠  १ ᥡ.   ०
᪨㥬 뢠  ( IM0,IM2  )      ᮢ
ᮢ A0=1,A2=1 ᨣ IORQ ⨢ ,  뢮   
Z-ﭨ,    ⨢  ᨣ  RD    横  ⢥ত
뢠 Z80 ४砥 ࠢ  ⠪  ࠧ,    
設 CPU   祭  室.    ࠧ      
ﭨ 設   ⢨   ⨢ ன⢠    横
⢥ত   뢠   ,   뢠   ஬,  
   ZX-SPECTRUM  祭 INTERFACE-1  ࠢ  #FF.
..  ன⢮   祬 ।  襩 ࠭,
  ४  ⭮        뢠   (஬
ᯥ樠쭮 ࠧࠡ⠭  ⠪ ० ன) ⮬,  
ᤥ ࠡᯮᮡ ணࠬ, ᯮ騥 ० IM0,IM2.


                                 -6-

     ਬ   ணࠬ㥬 ࠫ쭮  
 58055() ⥫쭮  쭥 ᯫ 設
  짮⥫  쭥襬   祭  '
祭   '   ன    ࠡ        ࠫ쭮  
(ਭ஢,,,ன  ⨪  奬,ணࠬ  
..). ணࠬ প १  頥 䥩    
  . ᫨    室   ᯮ짮
᪮쪨    ⮢  ६  (.    ७
ணࠬ ) ⥫쭮 ᮥ  १  ⥬  設,
.. 㬥蠥 ⢮ ᮥ⥫ ஢,    ᯮ짮
७ ᨣ CHANNEL-0,..,5  CS  ன.
     ᭮   58055  砥    CHANNEL-6  ᫥騭
ࠧ:

                  Ŀ
                      PPI    
              D0      A0 
 <  >..      .. <  >  A
D0'-D7'           D7      A7 
                             
                             
                6 Ĵ        
CHANN.-6 ĴCS      B0 
               36       .. <  >  B
     WR' ĴWR      B7 
               5           
     RD' ĴRD         
                  Ĵ        
                9         C0 
     A5  ĴA0      .. <  >  C
                8         C7 
     A6  ĴA1         
                             
    Ŀ   35Ĵ        
RESET' Ĵ1 oĴR          
                        
      5551  
               > RESET'


     ᭮  祭    ⠭    ⮣  ன⢠
ᠬ:

        #1F -  A
        #3F -  B
        #5F -  C
        #7F - ॣ ࠢ饣 ᫮


                                 -7-

     ஬ ⮣, .. ᫥ 砫쭮  55 ⠭  
० "0"   A ணࠬ  (᫥  祭  ᨣ
RESET),     ᯮ짮        KEMPSTON
JOYSTIK (⠭  饭 - #1F). ன⢮  砥
 5- 訬 ⠬  A, 訥        ,
.. 設⢮ ணࠬ   ⮬  ਧ  ।,  
KEMPSTON 䥩 祭. ࠢ    饭    ⠭⭮
䥩 ਭ ZX-LPRINT  II-III  (⥭/    #7B)  
६ 롨ࠥ   ᡨ ᢮ ० ࠡ.    ⠪
ࠡ ன   稨        ਢ    
䫨  設 ⥫쭮 ⪫      ६  
(OFF  Interface)    ।ᬮ    CS     ⥫
஫  A2 (஫஢       ,  .).
     ᬠਢ  ᫨  ZX-LPRINT  ⨢
(  室 ENPR)   ணࠬ ᫥ 襭   
55 ७ࠨ ,  -ࠩ      
⠪ ࠧ (筮 蠥   AY-3-89XX),   ஡
⠭ ⢮.


                                 -8-

      稨 몠쭮 ᮯ  AY-3-8910(12)  
室 ⠪   奬  ஫  ᮢ:


                  AY-3-8912
               Ŀ17
       16   SSG  A& Ŀ
RESET' ĴRES          19 > +5V
                        BC2 
               Ĵ     Ĵ
            28              14
   D0' ĴD0       IO0 >
            27              13
   D1' ĴD1       IO1 >      
            26              12
   D2' ĴD2       IO2 >
            25              11                     
   D3' ĴD3       IO3 >                   
            24              10         10k             10k
   D4' ĴD4       IO4 >                   
            23              9                   5.0 + 
   D5' ĴD5       IO5 >   Ĵ> L
            22              8                  Ĵ> R
   D6' ĴD6       IO6 >                  5.0 +
            21              7                       
   D7' ĴD7       IO7 >   10k  20k  20k  10k   S
               Ĵ     Ĵ5                              O
            15           A                       U
CLK 1.75' ĴCLK          4                              N
                         B              D
               Ĵ         1         Ŀ          
            18           C  
         ĴBDIR     Ĵ3                        
           20          Ucc > +5V                 
          ĴBC1          6                        
                      GND Ŀ            10k  10k  10k
                                          M
          Ŀ  Ĵ> O
         Ŀ                   +  N
       3                  1  Ŀ                   5.0  O
WR'  Ĵ1               10k 
         Ŀ          Ŀ                        
A13' Ĵ&      Ĵ1     Ĵ                    
                          
A15' Ĵ       Ĵ        Ŀ    
                   Ĵ1      
#FD     5551         o
                        Ŀ   Ĵ   
A14' Ĵ1       
       Ŀ             o  5551
RD'  Ĵ&      Ĵ   
            o     
+5V  Ĵ            5551
         
        5553


                                 -9-

     䥩 ଠ쭮  ࠡ⠥    饭  ⥭/  
  ⠬    뢮,  ᯥ   ४   ࠢ  
Z-ﭨ ( 易  稥 ⥫쭮 横   
Z80    ࠡ    譨   ன⢠),        ᫥
஢ 奬  楫 祭 १     ''
ன⢠ ⨯ /   㣨 ன   묨  
ࠡ⠥ १    饭    .      ⠪⮢
 Z80     ᯥ  室    Z-ﭨ    筮
 設   蠥  ଠ ࠡ.
     䥩 ᪠ 祭 ன     1
 襭 ࠪ⨪.

                                             (C) UA3PRQ for HAMs
                                             Uzlovaya, 28 June 1993.
