Page 42-43 - Joust

ALL IC'S WITH
DOT INDICATES
PI N NO.1
PLAYER 2 o
~
DIGIT DRIVER
~ !"LAYER I ~8 l ICI3
~I ~~----------~
~ CREDIT-IO'S
SEGMENT DRIVER
PLAYERS 1,2 a MATCH DISPL
DIGIT DRIVER
PLAYER 3
MATCH-UNITS
DIGIT
1,2, MATCH
• pi
~
PLAYER 3 J3 AI
BI
lei IC3 Cl
Ica
~~<t N0:: •
ib I KEEP ALI~
~ +90V ~
• I
BCD TO
SEVEN
SEGMENT
DECODERS
DIGIT
DRIVER
PLAYER
MATCH-IO'
DIGIT
3,
A2
PLAYER 4 J4
<t B2
IC2 IC4 C2
4
SEGMENT INPUT
18
(/)
a::
lJJ
t-
o:: J5 DIGIT
lJJ 4
> INPUT z
lJJ
(]]
0
0::
t-
(/}
t-
o
I--J6 __j. 6 --'
I
4
POWER INPJT
5
6
7
8
9
10
11
12
13
14
15