                                                      ZX  3.   ...


                                                    512      
                                                           

      ⠭  ७   512  -  蠣   쭥襣 ᮢ襭⢮   "ZX Spectrum".
२⢠ । 奬 -  ⭮⥫쭮 ⮩ ⭮   ⢥  ࠡ,   ⭮ ⫨-
砥   奬, । ATM-࡮  PROFI  (, ᮢ⨬  ᮡ   㣨 奬).    ⠭,
 ⭮, ন ⥬ IS-DOS  ⭮ ணࠬ "CONVER COMMANDER V3.2R".   ⥫ ⢥ত-
    ᫠ ணࠬ ।  ᮧ ᯥ樠쭮  512 ,  ਬ, ஢騪, -
   , ⨯樨, ஢ ࠦ  㪠  ..
     ७   512  ⨣      5  ,  ࠡ⠭   128 ,   5657
  奬 ࠢ 묨 ࠭栬 .   ஡  ⮬ - ॣ஢  4 ࠧ 襣 ꥬ
.   । 奬 㪢 DD 祭 奬,  騥   , -  ᫨⥫ 㪠 
  奬 "쪮",  ⥫ -  奬 "᭮".

                             Ŀ                 10Ŀ   A/B-11 -  1 뢮 11
                             11Ŀ13      8Ŀ10     ĴB0MUX                ࠡ⪨  128K.
A/B-11 Ĵ 1  Ŀ      Ĵ 1  Ŀ     11          F14 -  4 DD30/ 7 DD33.
                   1k         12            9      F14 ĴB1     
                  +5V ĴD3.4       ĴD3.3         12       
       ON / OFF                        ĴB2   YB  1- 뢮  6.
       / Ŀ    Ŀ         13       
        522  1Ŀ      13Ŀ          A8 ĴB3     
/RES Ĵ<R T        R T                   15Ĵ        /RES,D6,A8 -   Z80.
                   2     5      12     9             ĴSB        C-9 -  9 뢮 9
D6 ĴD   Q      ĴD   Q              14Ĵ                ࠡ⪨  128K.
                   3     6     11     8         DR Ĵ0         DR -  14 뢮 DD34/DD37.
C-9 ĴC   Q   ĴC   Q                2          DS2 -  2 뢮 DD34/DD37.
                  4           10                DS2 Ĵ1 D2   
             +5V S     +5V                          
                   D1.1    D1.2       12 뢮 DD34/DD37.
        ٳ                            6Ŀ
D7                              A0MUX  
                12Ŀ        Ŀ                  5     YA  9- 뢮  5.
A0 Ĵ &           1Ŀ  ĴA1     
                 1     +5V ĴR T  5                   4       
A1 Ĵ            2    Q            A14' ĴA2        A14',A15' -  
                 2           ĴD                        3                      ࠡ⪨  128K
A2 Ĵ             3                 A15' ĴA3     
                 3    ĴC    6                   1Ĵ        ( "쪮"  ⠬
A3 Ĵ             4    QĶ              ĴSA        ᨣ  11  13 뢮 DD50!)
                 4          ĴS                    10Ĵ     
A4 Ĵ          D5.1                     B0        D7,A0...A6 -   Z80.
                 5                        11     Ĵ
A5 Ĵ           13Ŀ  ĴB1     
                 6         ĴR    9                  12     YB  1- 뢮  5.
A6 Ĵ           12    Q          ĴB2     
        3Ŀ 11       ĴD                        13       
       Ĵ 1  1Ĵ D4       11                 ĴB3        /RFSH - c 28 뢮  Z80.
       2        ĴC    8                    15Ĵ        S0 - c 1 뢮 DD50/DD22.
/RFSH ĴD3.1                10    QĶ                    ĴSB     
                      ĴS                         14Ĵ        D1,D5 - 2
                             D5.2              S0 Ĵ0         D2,D6 - 12
                                               2          D3 - 1
       Ĵ1 D6      D4 - 2
                                                                  

     12    2.  奬 - ਨ 1533  555.   5655 ਤ   5657.
      . ॡ ᨣ  6 뢮 DD35/DD38  11 뢮 DD37/DD40,    4 뢮  DD35/DD38  
13 뢮 DD37/DD40.   뢮 DD35/DD38: 6 - CHSCR, 4 - A15',  10 뢮 DD34/DD37 - "".   뢮 DD37DD40:
10 - +5V, 12 - 14',  뢠 १  ᨣ    뢮 奬 .
     . 믮 ⥫ , 㪠  ।饬  - ࠡᯮᮡ      ०
128   ࠭. ⠭ 奬 7    6  (  ᭠砫  ),  ᮥ塞 
  1- 뢮,    ""  +5V. ᫨  砫 ᡮ,  ࠥ  C1,C2/C4,C6.  ࠩ-
 砥 ᯮ㥬 奬  㪢 ""   㦥,  譥   ᫥ - 7 ४᭮ ४-
 ᥡ  ਠ "ZX Spectrum 512 ",  ॣ ந 筮  ⠪  奬.  砥 ࠡ
 㡥,  320    (ਬ,  BASIC').  ᠬ  ⠭   7 , -
, ࠥ  C13,C14/C2,C5.   ࠡᯮᮡ ⮩  ஢  㧥 ନ஢ -
 ॣ樨 (D4, D5, D6)  ࠡ饬 .
      ࠭  ᯮ  ⥬  ᠬ ,   ,   ४祭 ⢫   -
 ⠬ ⥬  #7FFD ( ࠡ⪨    ᯮ짮).    - 䫨⮢ -
⪨  묨 ணࠬ,    ४⥫ ON/OFF.
     ணࠬ  "ZX Spectrum 512 " 訢  쪮᪮ ࠤ뭪  COBRASOFT  ...















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