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 Area : HARDWARE.ZX
 From : Felix Knajzev
 To   : All
 Subj : MPPS v2.01 + 27512 (!)
 Attr : 0
__
PID: iS-EDIT 5.05+ UNREG

 p ⥡,  ⨬ All !

      ⥫     奬 p⪨ pp-
p    ZX-Spectrum' "MPPS v2.01", p  ᢮ p
 p ⥭ p "筨" p.
     p ⬥,   奬 뫠 "p" p ⨢-
  ᫥ :

 
p 
p 

   - _PH__ !!!

    奬    ppp  MPPS- _⮫쪮_  ⨯
27512  (64K).  ᭮  ⫨稥  p  ppp 27512 
2764-27256    ⮬,    Upp    1-  ,  
22-  (/OE!),  p    27512  믮 __ 㭪樨: 室
/OE-pp襭  室     ppp. 1-
   27512 ⥯p  p訩 p 15!
    ᫨      ᤥ ⠪,   ppp 
뫮  ""  ⨯  (2716 - 27512),  p ᮮp㤨
  ⠪om() p⥫e().
        奬  p殮 ppp (Upp), p
     - ᥣ ,  ⠢ 12,5 ! ..
  ppp  ⮫쪮    p奬, Upp p =
12,5!   (p) - 饥 設⢮.
      27512  ppp  _p_   16384 
(16K).      ppp,   롨p  ⨯  , 㦭
짮:

27256.0
27256.1

p⪨ 奬:

1. H 1-  27512 㦭 "" p⥫, p 
   ⠭   ()  "0" (""),  "1" (+5B p
   pp  1K,  -   p  +5B)
   ⨬ p⥫ 27512 㤥 ""  __ 27256.

2. H 20-  27512 (/CS) 㦭  . "0" (
    "").   뫮  2764-27256!

3. H 22-  27512 (/OE) 㦭  室 奬 p⪨.
   (. )

    -  p⥫  S1  ⥫쭮  _몠_  ⮫쪮  -
p⢥ p ppp !

    - ⮤ VD1 㦨 p  Upp  .

    ⥫쭮, p p 奬, pp  ⨯ 
 ⮢, p   (奬) 㪠!

p砭: H, 饬- p筮 楯 R2/C1, 뫨 
p⥫묨  ("  ⮫"  :), ..    p
樥⮢    p ⠨ 楯  _p_ p  .
H,   p -  p⠥!

2All:    㯮묨 . ?

 "" 27512:

1. 1-  27512 -> "0"
2. ppp㥬  __ 27256 (ᯥp 27256.0, ⮬ 27256.1:
   p 32K)
3. 1-  27512 -> "1"
4. p塞 .2

      ⮤  (  奬)  㦥 뫨 ᯥ譮 "p" 
27512:    AM27C512-15 (AMD, Upp=12,5B), p㣠 - 27C512PC-15
(MX,Taiwan, Upp=12,5B, __""_!)

2All:   , __p訢_ (?) ⠪  ( ""),
        "p", ⮢  ⠪ p 
      㤥訢 ?

       奬 p⪨ ppp  "MPPS v2.01"  p  27512. (!)
       ----------------------------------------------------------------------

                                                 +15B o    815  100
                    DD2.1 307 470                           Ŀ
                    2Ŀ1   ^^  Ŀ  +5B            o\  />Ĵ//Ŀ
                  Ĵ1 oĴ<Ĵ//o                    
                    3     VD1            o+5B  /1,5K        
                  Ĵ                                    522 \/
          o+5B        0,022                oo         
          1Ŀ3 R2Ŀ C1             1K /                   
          Ĵ& oĴ//oĴ               /     Ŀ        
(10H/BB55) 2                         oĴ315 /\  814   /S1
C7 >oĴ      1,2K  DD1.2   1K            \>           
                     4Ŀ6  Ŀ    /                      
     R1 DD1.1         oĴ& Ĵ//oĴ 315             
   1,5K/                5       \>        \/ 522  
               oĴ          /                      
                              4,7K                         
                       DD2.2  1K          1K               
  DD1 K1551             5Ŀ4 Ŀ   +5B Ŀ 522           
  DD2 K1551            Ĵ1 oĴ//oĿ Ĵ//Ĵ>oĮ
                           6                            
                  Ĵ                          /       
                                4,7K/ Ĵ 315 
                                                           \>     
                                                                     
                                                                 
                                              H 22-   <
                                               27512 (/)


        㢠, Felix !

--- iS-EDIT 5.05+
 * Origin: CONNECT 2400/NONE (@addr)
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