

Area: HARDWARE.ZX
From: Alexander Pashenko (500:562/1.4)
To  : All ()
Subj: 奬 ࡨ஢ + 祭 sim 1.
Date: ⢥ 4  1999
Time: 10:27:09
======== [ , ,  ... ] =====================

                ஢, All

 । 27  1999  17:02:00, Valeriy Kovalev  砫,
 "Z-80XXX" ⥫  ᪠.

VK> H    뫨 奬/㪠  筨 ?
VK>  ᥡ  ⠣    :)

  奬  諮 ᠬ ࠧࠡ뢠, + ᯠᨡ 
  ᮢ  業 ᮢ  ଠ.

   ਢ 奬  ᠭ  ஡ﬨ 
 ⠣. ࡮  wait, ..  ࠧ 
7,  ᪮ = 200%   , ⠪   .

  ࠧ  ।।,    ਭ  
㤫 IROQ  ࡮ ०,    ᤥ ⤥쭮
ࠡ⪮.     ଠ樨  ६ﭪ wait Z80.
H  ଠ쭮 ࠡ⠥   ⠪ . 쪮   AY
 㦨  ⪨ IORQ ( ࡮   "B" 
  㬠  ࠢ),   
஢ boot (  Perfect Commander, Jemeni
Commander)    ᬥ ᪠. H 
 ࢠ   ࡮  ⪨ IORQ.
  H ࡮-०     /몫
쪨 㬡஬.

  ० ᥣ ਤ  誨 565 ਨ - 
  ,  ᠬ ன 㪢   7, 
⠢ 30pin 1 sim- (70).

    ᥣ Z84C0010PEC -  , ᥣ
宫,  Z8400APS ᨫ쭮 ॢ,  稭 
 ணॢ,   嫠 쪨 ⨫஬  PC
⮦ ࠡ⠥  . ஡ ⠢ 1 -   
 .

  H室 ⠪   ᪮쪮 奬 ⠪⮢
   531  1531. 1533  .  -
   ६ থ ᨣ:

  133, 155    533, 555    530, 531     1533        1531

   18,5       20     4,5...5     14    5,16...6


   ..   530 室,   ஡.

    奬  ⨯஢ (D16...D19) 
  1533 ,   .

                        ⠪:
   ० ᥣ    5655 (5657, ᫨ 
 ७ )  sim-.   ᯨ:

Ŀ
                  1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 
Ĵ
+ c                                     -           r ? ? + 
5 a d a a d a a   d a a d a a d a a   d w   d   d ? a ? ? 5 
 s 0 0 1 1 2 3  2 4 5 3 6 7 4 8 9   5 e  6   7   s ? ?  


   H祭 , 祭 "?"   ,    㦭 
襬 砥. H ⮫쪮 . 28  29 ᮥ  +5, ..
 .30,  .26 ⠢ 祭.

    ᨬ 室  室  ꥤ, ⮬ 㦭
⥫쭠 奬 ॣ 153322 (  ࠧ
ਨ 531).

           Ŀ           Ŀ
               d0Ĵdo    
               d1Ĵd1    
               d2Ĵd2    
               d3Ĵd3    
               d4Ĵd4    
               d5Ĵd5    
           --  d6Ĵd6    
"c16" we  d7Ĵd7    
                    
             sim               D37,D38,D39
                  
                         
            Ŀ           뮤 22:
       d0 Ĵd0  q0
   Z   d1 Ĵd1  q1  d0 - .3   q0 - .2
   8   d2 Ĵd2  q2  d1 - .4   q1 - .5
   0   d3 Ĵd3  q3  d2 - .7   q2 - .6
       d4 Ĵd4  q4  d3 - .8   q3 - .9
       d5 Ĵd5  q5  d4 - .13  q4 - .12
       d6 Ĵd6  q6  d5 - .14  q5 - .15
       d7 Ĵd7  q7  d6 - .17  q6 - .16
            Ĵ      d7 - .18  q7 - .19
      +5 Ĵc                 c - .11
  oe               oe - .1
             
              53122                                .1


                     :

   ண, 騥  D63.1  D63.4,  ନ஢
ᨣ "c37" (cas0)  "c38" (cas1), ᮥ塞 .9 D61.
    "cas", -  "c15",    
.3 D15.      sim.  ⠣ D61 
᢮ ,   㥬,   奬  .2.
   室 ᮡ 奬  153312 ନ஢ 
⥫ ࠧ冷 ,  ᯥ ॣ. ..
 ⠣  墠⠥ ᨣ  ॣ樨 10ࠧﭮ
(1 ),  訫   ᥡ   ॠ樨
ॣ樨  ७ sim᪨ 稪,  ᤥ
⠭  Spectrum ॣ.  ⮣  ᮡ
᫥ 奬,   ⠬  ᨣ 
 ⨯ D16...D19,   奬  .2.

     ᨣ  室 襪 -  sim.
   室 -  Z80 (  ⠣᪨
祭, .. 㬥  "0"),  ⠫ ᨣ
  ⠣᪨ 祭.

         Ŀ           Ŀ          Ŀ
    gnd Ĵa1          +5 Ĵa1        "b17"Ĵa1       
"b15"Ĵa2  qaa9   gnd Ĵa2  q1a0 "b18"Ĵa2  q1a4
Ĵa3         "c35"Ĵa3         gnd Ĵa3    
    a9 Ĵa4         "b16"Ĵa4  q2a1  +5 Ĵa4  q2a5
        Ĵ           Ĵ              Ĵ    
   gnd Ĵb1          "b1"Ĵb1  q3a2  "b5"Ĵb1  q3a6
  "b14"Ĵb2  qba8   "b2"Ĵb2         "b9"Ĵb2    
 Ĵb3          "b3"Ĵb3  q4a3 "b10"Ĵb3  q4a7
   a8 Ĵb4          "b4"Ĵb4        "b11"Ĵb4    
       Ĵ                     
 "c14"Ĵs0                  D16                 D17
 "c23"Ĵs1         D61  Ŀ          Ŀ
     ea         9 Ĵa1         a11 Ĵa1    
     eb       Ĵa2  q1a0  a12 Ĵa2  q1a4
          "c34"Ĵa3         a13 Ĵa3    
        153312      a10 Ĵa4  q2a1 "c33"Ĵa4  q2a5
 Ŀ             Ĵ              Ĵ    
Ŀ          a0 Ĵb1  q3a2   a4 Ĵb1  q3a6
___   15331          a1 Ĵb2          a5 Ĵb2    
p1m    Ŀ           a2 Ĵb3  q4a3   a6 Ĵb3  q4a7
   Ĵ 1           a3 Ĵb4          a7 Ĵb4    
     Ĵ                             
_____                     D18                 D19
p512k Ŀ         Ŀ
   Ĵ 1            ~~~~~~~~~~  
     Ĵ            p256kĴa4      
                     Ĵ  q4
     ĪD61          gnd Ĵb4    
        1               ~~~~~~~~~~                  .2
                              D61


    뢮 奬:

153312: a1 - .6      153311: a1 - .2
          a2 - .5                a2 - .5
          a3 - .4                a3 - .11
          a4 - .3                a4 - .14
          b1 - .10               b1 - .3
          b2 - .11               b2 - .6
          b3 - .12               b3 - .10
          b4 - .13               b4 - .13
          qa - .7                q1 - .4
          qb - .9                q2 - .7
          s0 - .14               q3 - .9
          s1 - .2                q4 - .12
          ea - .1
          eb - .15

   "p256k", "p512k_"  "p1m_" -  ᨣ, ᭨
 ਣ஢  ७ . H  ᨣ - 
 ७  - 祭  .  
  ,  "p512k_"  "p1m_" - ,  "p256k" -
אַ, ..  室 ﭨ (  롨
. 0-7 )  "256k"   "0",    - "1".
⮬  ⢥ 奬 ਣ   ᥣ
ਬ 8 -        室.

  奬 ᠬ    ਢ, ..  
ࠧ ⠭⮢,    㦥 .  ᫥騩 ࠧ
   ᮢ, ᫨  - .  ᥡ
ᤥ ⨯, ४砥 ணࠬ.  ,᫨ 
奬  ᮡ࠭,    ᨣ "p256k"...  ᮮ.
"0", "1", "1".

    쪮  ⮣,  sim ࠡ⠥,  㯠
 奬 ࡨ஢ .

  1) ࠥ 楢 ,    
⠦  奬 .3  Dd1 531 H1  1 ( 
   뢠 "Dd", ⮡ 뫮 ⠭ 
᪨ "D"). ⥫쭮  ᯮ -  D45. H
⮫쪮 H  ᢥ 5 -   騥  
ᮢ. ᪠ D1  , ⥫쭮 ⮫쪮 
  1533   .   ⮨ 1533.

  2) 塞 D45 (8)   531, ࠧ१   ண,
騥  .  ᮥ묨  . 2  3 (室
q0  q0_ ), ࠧ㬥 騥 ;),      奬
 .3.

  3)  D45  5319 Dd2.
  4) ᮥ塞 室 D2 (5), ⠢ ⮫쪮 . "1"
(.12),  . "8" (.11), 騩  奬 祭 AY.
  5) ᮥ塞 .8  9 D1.
  6) 㬥 ᮥ塞 뢮 "clk" .
  7) ꥤ塞 ᨣ "c14"  襪 (D16...D19, 12 
奬 ७ ),    "c14'",
ନ஢   555! ਨ -  室
প. H "ras"    ०  "c14" 
প.
  8) ࠥ 奬:

  ! 易⥫쭮    ᮡ࠭   奬, 
⮬ ᫥  ᨣ "c1" ᭨  אַ 室 Dd2.2 १
 Dd1. H ࠪ⨪ ஢७,  ᫨ ᭨ 
ᨣ  ᭮ . Dd2.2,  - 㢥祭 㧪 
奬 Dd2.2, 㢥稢 প ⮣ ᨣ, 
稭 ᡮ ࠡ .
                                                    470
                                              Dd1   ĴĴ
                                             Ŀ  
                                       Ĵ    "c1"
                                              D41,D42
                                                     .9
              14        +5  Dd2.2    +5  Dd2.1
ĴĿ        Ŀ     Ŀ
                          Ĵj       Ĵj    D35
  Ŀ     Ŀ     Ĵc  q Ĵc  q
Ĵ   Ĵ      Ĵk       Ĵk   
               Ĵ  _     Ĵ  _ D53
 Dd1    ___  Dd1        s  q s  q
Ĵ____      r       r    
        R1 1                       
                                         
                      Dd3
      Ŀ
         D45                           Ĵa1    clk Z80
      Ŀ                      Ĵb1  q1
    Ĵdo  q0"c26"   "c15"(cas)    Ĵ
       d1  q0 "c14"  D153,  Ĵs     
       Ĵ              11       oe    
 Ĵc   q1                       
  +5r   q1                     Ŀ
                    +5 Ŀ            
                              Dd4     
       Ŀ                 10       Ŀ  
     Ĵ 1  "c14'"    sa1/         r  q  
     Ĵ                    Ĵd     
                       Ŀ   Ĵc  _  
        5551             Ĵ 1   s  q
                       "c40" Ĵ            
 ĭ D2(5)    ( D15 .6)
       .1                     1                    .3

      뢮 奬:                      sa1 - ࡮ on/off

Dd2) Dd2.1  j - .3     Dd2.2  j - .11
            c - .1            c - .13
(5319)    k - .2            k - .12
           s_ - .4           s_ - .10
           r_ - .15          r_ - .14
            q - .5            q - .9
           q_ - .6           q_ - .7

Dd3)       a1 - .2
           b1 - .3
(53111)   s - .1
           oe - .15
           q1 - .4

Dd4)        r - .13 (1)
            d - .12 (2)
(5312)    c - .11 (3)
            s - .10 (4)
           q_ - .8  (6)


      ॡ 筠  殮 ⠭
,  筮 訥  ࠭ ன
R1. ஢७,    殮   0,5,
稭 ﭭ  -  ᪢
ᮢ 楢 ,   ᪢ 
஬ 祭. ⫨ १  PC 
⠭,    諮 ,    
ॣ㫨஢ +5.
    470, 蠭  ᨣ "c1" 㦥  ⠭
襣 宦  ६ ਡ⮢  ᥫ. H
᫨  Dd1 믮  555 ਨ,    
 .

       ᫥:  室 
⥫쭮 ᨣ INT,   ࡮  ⠭ ᫨誮
.
           1        Dd4 (2)
          Ŀ        Ŀ
    "b7"Ĵ 1 r  q
        Ĵ        Ĵd   
            Ĵc  _
        Ŀ  s  qint_
Z         Ŀ     
8   m1_ Ĵ 1    +5
0 iorq_ Ĵ      
              D5 .8                         .4
           1


     ⮩ 奬  ࠧ  ᥣ   ஡
⥫쭮 INT, ..  㤥 ᥣ 㡠,  ⮫쪮
Z80   ॠ.  砥  뢠, INT
४頥  室 ᨣ "b7".

    H , த  . ᫨    ⭮, 訢.


              H  宬, All !
                       

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