Star Tech Journal

Issue: 1983-January - Vol 4 Issue 11

20
STAR*TECH JOURNAL/JANUARY 1983
CENTURI
h~J;
rus
The names of various video game controls
comprise this issue's word puzzle. Find and
encircle these words that appear below.
They run vertically, horizontally, diagonally
and sometimes backwards.
"SWIMMER" SWITCH SETTINGS
Subject: Switch setting adjustments on the upright and cocktail
"Swimmer".
Problem: Please be advised thatthe current switch setting adjustments on
the game "Swimmer" were set in error at the factory during production.
Solution: There are two dip switches on the logic board: an 8-position dip
and a 4-position dip.
1. On the 8-position dip, place SW 1 in the "ON" position, and SW 2-8 in
the "OFF" position.
VIDEO GAME CONTROLS
I
A C O H M
D H I
z
Y S D
0
p
u
w
; ~~
M F
Q T
s z
E
E
,, .""I
I\
s
M
I C
1:)
.
z
C' _
(P
~~
s
y '(
Find these hidden words in the above puzzle:
-&.A'S-
BRAKE
HIEID
ftJMP
HIR-BS'l' F-bAP'"'
-Re:f-'ATE- HRE
-SHIFT
-BIVE-
CbIMB
HYPERSPACE •
Here is the answer key
to December's puzzle:
ELECTRONIC COMPONENT~
• . R R •
•. E .
• N S •
R ••
T O •.
. E .
z .
A A •••
• NL • •
s u .
E
D
0
I
D
V
•• I
• D •
•. E
..•
C ••
A R I
• • C y
• • A •
R P . •
A C •
I .
s .
T .
R T •
G ••
S E .
• T R .
L O O .
T •• R
S T O R
••••
S •..
T ••

C •• S .
0 .
R •
A •
.
.• L
2. On the 4-position dip, place SW 3 in the "OFF" position, and SW 4 in
the "ON" position. This will give you four swimmers with an extra
swimmer at 10,000 points, and the degree of play is set at difficult.
NOTE: All future games shipped from the factory will have the new SW
settings. If you have any further questions, please refer to page 7 in your
"Swimmer" service manual.
Summary
a-position dip
1
2
4
3
5
6
7
8
on off off off off off off off
4-position dip.
Cocktail: SW 1
4
2
3
off on off on
Upright: SW 1
on
2
on
3
off
4
on
CRIM electronics
Complete with operating instructions, interfacing cables,
and schematics. Also: complete pin-out information for
VG· 1 Color and Black & constructing your own interface cable for virtually any
raster-scan monitor.
White Raster-Scan
Star*Tech Journal has a few units left of this versatile
Monitor Tester
video generator. Please make checks payable to:
Star* Tech Journal, PO Box 1065, Merchantville, NJ
08109.
------■
$69.95
s.o.s.
I am trying to locate the board schematics to an electronic pinball
called "Spirit of '76". This game, believed to be the first electronic
microprocessor-based pinball machine, was manufactured by Mirco,
Inc. It is a one-board system designed around the 6800 Micro.
I would be greatly appreciative if anyone could refer me to a
prospective source for this information since Mirco is no longer in
operation .
Please write or call:
Ken Lewis
Kentucky Coin
6005 Fern Valley Road
Louisville, KY 40228
502/966-5266
SELL IT.
Interested in advertising? S*TJ reaches over 4,000 service shops.
Your message gets read more than once and by more than one
person ... again and again. For more information call Paul at
609/662-3432.
21
STAR*TECH JOURNAL/JANUARY 1983
_ _ _ _ _ _ I_N_QizITIVE
This month's InQuizltive was sent to us by Ed Zylka/Stem Electronics
33. Find the "Q" output for the following "D" type 74LS74 fliirflop using the given timing
diagram and truth table.
Truth Table
D
D
0*
0*
1
0
Q--
--"CLK
Q
Q
Q
Q
1
0
CLK
1
0
n..
_fl__
Q
Q
a
0
1
*Indicates a don't care condition.
CLK
INPUT
0
I
I
I
D
INPUT
I
0
I
I
I
I
a
INPUT
I
I
I
I
1--
I
I
o _ _J _____ J
Complete the "Q" output timing diagram.
lnQulzltlve Answer (December)
32. Truth Table for "Set-Reset" Flip-Flop
Function
Invalid*
Set
Reset
Latch
s
0
0
1
1
R
0
1
0
1
a
a
*
1
0
*
0
1
a
a
•When in this state, the circuit is not in
a valid flip-flop condition, so this is
disregarded.
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