	  "-128/Z"
	-------------------------------------

     Z80-CARD  "",   
    "",  ""
 .        ,
     ( 5$ USA),   -
   "MSX-SOUND CHIP":  AY-3-8912 (  AX). 
  8910,    (   2  
  ,   ).  ,  "CHIP" 
.   .  ,   ""  
6581 (  3      COMODORE-64/128). 
      ! 8912  
          -
    "-128".


      -     , 
      " ", 
 " ":
8912: 1 -  , 2 - , 3 -  "+5", 4 -  B,
5 -  C, 6 - , 7 - PA7 ( , B-  8910)
8 - PA6, 9 - PA5, 10 - PA4, 11 - PA3, 12 - PA2, 13 PA1, 14 - PA0,
15 - , 16 - /RESET (), 17 - ADDR 8 (CS), 18 - BDIR,
19 - BC2, 20 - BC1, 21 - D7 ( ), 22 - D6, 23 - D5, 24 - D4,
25 - D3, 26 - D2, 27 - D1, 28 - D0. (  ""... 
 ,      28  14 ,  ).

 : BC2 - "1",   - 2 ,    ,
ADDR 8 - CS F760 (), BC1 - A0 (  ), BDIR - /RD,
:   (  93).   A,B,C  -
 3      (   OUT FF).

8910: 1 - , 2,5,26,39 - , 3 -  B, 4 -  ,
6 - PB7, 7 - PB6, 8 - PB5, 9 - PB4, 10 - PB3, 11 - PB2, 12 - PB1,
13 - PB0, 14 - PA7, 15 - PA6, 16 - PA5, 17 - PA4, 18 - PA3, 19 - PA2,
20 - PA1, 21 - PA0, 22 - , 23 - /RESET, 24 - /ADDR 9 ( /CS),
25 - ADDR 8 (. CS), 27 - BDIR, 28 - BC2, 29 - BC1, 30 - D7, 31 - D6,
32 - D5, 33 - D4, 34 - D3, 35 - D2, 36 - D1, 37 - D0, 38 -  C,
40 -  "+5"
 8910 /CS F760 ()    /DDR 9,  ADDR 8 
   (    1)    1.
     ADDR 8,      8910
(    1  ).

     :
F760 -   ,
F761 -    

  ,  40- 8910   ,  28- 8912
     /   ( 8912),  
   28- 8912,   40- 8910.   ,
 ,       ""   
 "SOUND CHIP",     8912 (.   
.).     .  ,  
8912,   40- 8910.  "ATM-TURBO", "SINCLAIR-PROFI", "SCORPION",
"-8", 7150.   (.   ) 8912
  ,  40- 8910 (    ).
,    ,      8910 
     .

      ,  AY8912, -
         
  "" - ",   ".  -
    ,      -
,     ( , 
 ,   ""  ).

R0 -  , LOW (8 )
R1 -  , HI (4  ,  4   )
R2 -  B, LOW
R3 -  B, HI
R4 -  C, LOW
R5 -  C, HI
R6 - 	 ,  0-4,  = /(16*5 .R6)
R7 - 	 (, ), 	6  7 	8910 -
        "A" 	"B" (0- )
          :
       0   1   2		
	0      0      0		 A  B  C
	1      0      0		 -  B  C
   (0 -  ,	.  , 1	- )
     ,  -
 3,4,5 (3    ,	4  B,	5-C).
R8 - 	  A
R9 -  --"-- B
R10 - --"-- C
   3	  :
   4=1,       
   .
   4=0,    -  0-3 (.),
       	 (0-F)
R11 -  , LOW
R12 - --"--, HI
    .=/(256*16  R12,R11)
R13 -    ( 0-3)
      16  (  )
  0 - HOLD, =1  2-16    
  1 - ALTERNATIVE, =1,  .  -  (/\/\/)
  2 - ATTACK, =1,     -  ( .: /)
  3 - =1,   0 (HOLD), =0    1- 
R14 -    A
R15 -    B (  40- "" 8910)

	       
 (        )
   - 2 .
  -   12       3
 (    53,   -  16 .
    	).   ""  (!)
  - 16  (,   ,  
  ""  ).
    : 	   
  ,     ,   
 (  	R14/15)	  .	  
.	    ""  2 .
(,       ""   -
 4  ,    ,     
  "" 	  "MSX"	  
  ).     
,    -3   8912,
   : 192238 -  / 175
        , SP-COMPUTER CLUB,  1992

	        ( ):
	    ----------------------------------------
   F760  8912    2  ,  
   "  ZX".   ,   
8912    , .   ,  ""
      .       
,     8912, ,      
.  8912     "",  
    8912   .   , 
     ,   ,  -
  ,     , ,
          8912   .
      ,   .   
       -    
 (   ), .   ( 
   .  ). ,  ,   
     .     -
        F760.     
     1992 .     
   "".       8912
    1991 .      
     1554 (   -
"-90").         
- 1991     ,   
  (      -
   ). ,     1991  
 CP/M,    0-     FDC 93  
F700-F703,       F704 ( 
     ).  CP/M  ""  
  CP/M "" 1990 ,   
 .  CP/M   TPA  48,     
  CP/M .   ,  , -
      8   
    ,    
     .      -
 .    ,     -
 58053    ,    4. -
        
""   20H, . F700, F720, F740... .    
1991      CP/M,   
     F700/F720.  53   F740, a
 . AY8912   F760.    -
  Z80    "".  , 
-      " ".   1991
   3    ..  ,  
     "",    F700
       (  
 F8,F9,FA,   ).     
F710-F714.         1991 ,  
    CP/M   .     CP/M  -
 F700/F720        (   
    )     
     ,     ,   CP/M
        93 (  
  BIOS)        
         ,   
  "".    ,    "" -
   ,     , .  -
       .   -
   ,        -
 , .    (.),     "",  -
,       .  
         ,    
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""     "". , 
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   ,      ,   
    ,   "" F710.  ,  
,  .         
,    ,        
   CP/M-   -   . -
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      .    1991    
       ...       ,  
    " "  1991 .   , -
   "",  - ""  ...
.      "  " 
     ,   
  , .     .  ,  ,   "-
"     , .   ,
  .    .     
 "",   F700    ,
   - "  "  
 "-"  .     ,  
     500,     
"-"   - ...   ,  
 "".    CP/M     -
,   "-"   ,    -
  "-"   o F700/20   .
   ""  F700/20,  ""   -
.     ,    ,  
"-"     .   
1992 . .  BIOS,    2.61,   
,  . 2.0      
( "-" ,      CP/M, 
      CP/M,    , 90/92).
CP/M "-"   "",   F700/20 -
   .   1991 . .    
     ,   "", 
       "". ,  .
     , ,  .-
,           -
  "-",        -
   F700/20,    F700/04.  
.   ,      "
" (   ). , ,    
     " ".  , - 91/92
    "   ",     , 
    .  ,  .  
 F710      1991,   ""  -
  CP/M,  5   "-",   
   ,  "-".    .
   .  ,   , 
CP/M     (. 48),     , 
ORDOS -    ,  CP/M -  "". .
 CP/M   ORDOS    1991 .   
  "BRU".     ,  ORDOS -    
   CP/M,  ORDOS.     
"-",      CP/M-60K.   -
    .  ,    "--"
  2  CP/M:  (48)   (60). 
CP/M-48K   ORDOS,  ,   
    CP/M        
   CP/M . 60/120     -
. CP/M-60    ,      -
 ,    CP/M-48K,    --
. "", .  ,    
   "  ", CP/M-60K    
   .     "  "
    "" .  CP/M,  
. ,      CP/M (BIOS 90), -
   ,      1991.   
     (. )   
     .    
   CP/M-48K.     READER.COM,
        
(          -
       4- ).     CP/M-48K
    BASIC,  ,      CP/M,
     MICROSOFT BASIC,    ""
(    BASIC -    BASIC  
IBM PC).           .   
  MICROSOFT BASIC (16K),  " "
   .       " "
      -,   
 BASIC.

	 , 25  1993


 
15 - , 16 - /RESET (), 17 - ADDR 8 (CS), 18 - BDIR,
19 - BC2, 20 - BC1, 21 - D7 (