PLE5P8                                     PLE DESIGN SPCEIFICATION
P5016                                          JOSE JUNTAS 10/18/83
BINARY TO DUAL-DIGIT 7 SEGMENT DISPLAY
MMI FRANCE
.ADD A B C D Ov
.DAT a b c d e f g X10


a = /A* B*/C*/D          ; For State #  2
  +  A*/B*/C*/D          ; For State #  1
  + /A*/B* C*/D          ; For State #  4
  + /A* B* C* D          ; For State # 14
  +  A*   /C* D          ; For State #  9, 11
  +              Ov      ; Overflow Flag

b = /A* B* C*/D*/Ov      ; For State #  6
  +  A*/B* C*/D*/Ov      ; For State #  5
  +  A* B* C* D*/Ov      ; For State # 15

c = /A*/B* C* D*/Ov      ; For State # 12

d = /A* B*/C*/D          ; For State #  2
  +  A*/B*/C*/D          ; For State #  1
  +  A* B* C*/D          ; For State #  7
  + /A*/B* C*/D          ; For State #  4
  + /A* B* C* D          ; For State # 14
  +  A* B*/C* D          ; For State #  9, 11
  +              Ov      ; Overflow Flag

/e = /A*   /C*   /Ov      ; For State #  0,  2, 8, 10
   + /A* B*   /D*/Ov      ; For State #  2,  6
   + /A*/B*    D*/Ov      ; For State #  8, 12
   +    /B*/C* D*/Ov      ; For State #  8,  9

f =  A*   /C*/D*/Ov      ; For State #  1,  3
  +  A* B*/C*   /Ov      ; For State #  3, 11
  +  A* B*   /D*/Ov      ; For State #  3,  7
  +    /B* C* D*/Ov      ; For State # 12, 13

g =    /B*/C*/D          ; For State #  0,  1
  + /A* B*/C             ; For State #  2, 10
  +  A* B* C*/D          ; For State #  7
  + /A*   /C* D          ; For State #  9, 11
  +              Ov      ; Overflow Flag

X10 =        C*/D*/Ov      ; For State #  4, 5, 6, 7
    +  A*      /D*/Ov      ; For State #  1, 3, 5, 7
    + /A*/B*/C*   /Ov      ; For State #  0, 8


FUNCTION TABLE

Ov D C B A X10 a b c d e f g

;            X
;O           1
;v D C B A   0 a b c d e f g      COMMENTS
----------------------------------------------
 L L L L L   H L L L L L L H      DISPLAY 0
 L L L L H   H H L L H H H H      DISPLAY 1
 L L L H L   L H L L H L L H      DISPLAY !!!
 L L L H H   H L L L L H H L      DISPLAY 3
 L L H L L   H L H L L H L L      DISPLAY 5
 L L H H L   H L H L L L L L      DISPLAY 6
 L L H H H   H L L L H H H H      DISPLAY 7
 L H L L L   H L L L L L L L      DISPLAY 8
 L H L L H   L H L L H H L L      DISPLAY !!!
 L H L H L   L L L L L L L H      DISPLAY 10
 L H L H H   L H L L H H H H      DISPLAY 11
 L H H L L   L L L H L L H L      DISPLAY 12
 L H H L H   L L L L L H H L      DISPLAY 13
 L H H H L   L H L L H H L L      DISPLAY 14
 L H H H H   L L H L L H L L      DISPLAY 15
 H X X X X   H L H H L H H L      Overflow
----------------------------------------------


DESCRIPTION