DragonUser22_Feb85.pdf

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The independent Dragon magazine
75p US3.25
February 1985
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IE • • NI El • • I N N 111111•11•1111
Please make cheques'? 0 payable to Salamander Software ct
Name
Address
Total encl osed
E Please send me your full colour catalogue
Salamander Software Discount Club
17 Norfolk Road, Brighton, East Sussex. BN1 SAA.
Contents
Letters
Telephone number
(All departments)
01-437 4343
Editor
BRENDON GORE
Production Editor
BARBORA HAJEK
Software Editor
GRAHAM TAYLOR
Editorial Secretary
GERALDINE SMYTH
Group Advertisement Manager
DAVID LAKE
Advertisement Manager
SIMON LANGSTON
Administration
THERESA LACY
Managing Editor
DUNCAN SCOT
Publishing Director
JENNY IRELAND
UK EIO for 12 issues
Overseas (surface) E16 for 12 issues
ISSN 0265-0177. Telex: 296275
Dragon User, 1 2 1 3 Little Newport Street.
London WC2H 7PP
US address: c o Business Press
International, 205 East 42nd St. New York,
NY 10017
SUNSHINE
Flex review
2
3
Building a simple oscilloscope, moans and
groans, tips for Madness and the Minotaur
and a question of intelligence
An in-depth look at Compusensels alterna-
tive t o 0 S 9 . to g e th e r wit h Db a sic a n d
RMS database
News
7
Dynatast compiler 2 5
Brian Cadge examines the advantages of
a compiler when se t against an interpre-
ter
The arrival of Spiderman• new games from
Channel 8 , th e Ket Trilo g y and the n e xt
6809 show
Dragonsoft
1
0
Katerpillar 2 , S n o w Queen, T ime Po lice
and Yumping Yosser
Rev iews of all t he lat es t g a me s inc luding
Open file
2
6
Sideways ROM
1
3
Readers p ro g ra ms t h is mo n th include a
stock co n tro l p ro g ra m a n d a two -p la ye r
game
Hywell Fra n cis e xa min e s a n in te llig e n t
sideways ROM board from Ra ce Electro-
nics
Adventure trail
and Ret urn of t he Ri n g
3
5
Scramble
1
4
Mike Gerrard provides hints and tips on a
range of adventures including El Diablero
Subscriptions
I I I I T E M 111Th TI TI TI t ail
1AB
Published b y Sunshine Books, Scot Press
cj
Ltd. rt
-
Typesetting by Ches ham Press, Ches ham,
')
Bucks. Printed by Eden Fis her (Southend)
Ltd, Southend-on-Sea, Essex
S u
Distributed b y S M . Dis t ribut ion, L o n d o n
n s
SW9. 01-274 8611. Telex: 261643
h i
Registered at t he Pos t Offi ce as a news -
n e
paper
B
Dragon a n d i t s l o g o a r e t rademark s o f
o
Dragon Data Ltd
o
How to s ubmit articles
k
s
The quality of the material we can publish in
Dragon User each month will, to a very great
1
extent d e p e n d o n t h e q u a l i t y o f t h e
9
discoveries t hat y ou c an mak e wit h y our
8
Dragon. The Dragon computer was launched
5
on to the market wit h a powerful version of
Basic, but with very poor documentation.
Articles whic h a r e s ubmit t ed t o Dragon
User for publication should not be more than
3000 words long. All submissions should oe
typed. Pleas e leav e wi d e margins a n d a
double space bet ween each line. Programs
should, whenev er pos s ible, b e c omput er
printed on plain white paper and be accom-
panied by a tape of the program.
We c annot guarant ee t o ret urn ev ery
submitted article or program, so please keep
a copy, I f you want t o hav e y our program
returned y o u mu s t inc lude a s t amped,
addressed envelope.
grail M a raTliaTt i l r E C
Steve Gathercole presents a graphic laser
bike game — our program of the month
grati kr
i r
e
d i
Bookbytes
3
7
Computer languages feature strongly this
month wit h b o o ks o n P a sca l a n d Forth.
plus a pocket handbook
Dragon Answers
3 9
More advice from Brian Cadge on program
entry points, the use of Pclear and various
printer problems
Epson dump
1
7
Competition corner 4 2
Win 20 copies of Wa xwo rks from Channel
8 in this mo n th s competition from Gordon
Lee (Front cover by Mike I B e re n d )
Alan Wrig le y e xp la in s h o w t o p rin t Out
hfgh-resolution g ra p h ics o n a n E p s o n
printer
Editorial
UNLIKELY THOUGH IT sounds, the future of the Dragon computer now depends,
in no small part, on a Spanish TV company.
Eurohard, the Spanish c ompa ny which took over manufacture of the Dra gon
from the now defunct Dragon Data, hopes to emulate Acorn by having the Dragon
adopted by Spanish TV as their equivalent of the BBC micro.
Eurohard has not been s low to recognise the benefits which have accrued to
Acorn from its lucrative association with the BBC. Quite apart from the publicity
value, there are considerable advantages in having 'official' backing. In addition, a
TV tie-in c ould he lp s e w up the educational market — one regional education
authority in Spain has already plumped for the Dragon.
This is not to say that Eurohard's success in Spain is solely dependent on a TV
contract. But, with companies s uc h as Sinclair and Commodore making deter-
mined e fforts to increase the ir penetration i n European markets. a TV link-up
would certainly help.
As far as the UK is concerned, it is obviously important that Eurohard secures
its home market, since this will allow the company to devote more of its attention
to the existing Dra gon Us e r base in this country. A fl ow o f ne w software a nd
machines will, in turn, help persuade UK retailers that the Dragon is not 'dead' just
sleeping.
February 1985 Dragon User 3
4 Dra g o n User February 1985
IN RE P L Y t o Da rre n Co c k -
ing's enquiry about attaching
microphones t o t h e jo yst ick
socket (Dra g o n Use r Novem-
ber) — I ma n a g e d t h is b y
using a ca rb o n micro p h o n e
(from a t e le p h o n e mo u t h -
piece) a n d s o constructed a
very simple oscilloscope (non
real-time) T h e circuit is iden-
tical to that found in the 'build-
ing a lightpen• article in April's
issue, with the cell replaced by
the carbon microphone.
To i m p r o v e m y o s c i l l o -
scope, I found it necessary to
disassemble a n d re write t h e
machine code joystick routine
(locations $13D41 to SI3D88) in
Ram w i t h s o m e a lte ra tio n s
(only reading o n e o f the lo u r
potentiometers f o r in sta n ce )
that made it much faster. This
enabled my program to read a
value f ro m 0 -6 3 o v e r 3 ,9 0 0
times a second.
Stephen Jewson
69 Furners Mead
Hen field
W Sussex
L
Carbon
e
microphone
e
r
s
Moans and
groans
THANK Y O U f o r a u s e f u l
magazine with lots of tips and
handy programs. I a m n o t a
games fanatic — I'm a bit too
old and I really use my Dragon
for m o r e u s e f u l p u rp o se s,
such as helping me check the
eight T i m e s P o rtfo lio c a rd s
I've now acquired from various
friends I think the program is
rather too restricted to offer to
your readers.
I also prefer to write my own
programs ra t h e r t h a n b u y
commercial so ftwa re . B u t , I
was so me wh a t disappointed
when I tried to purchase some
games f ro m m y lo ca l mu lt i-
outlet national retailer fo r the
family's amusement at Christ-
mas. Having perused the col-
umns of yo u r magazine fo r a
couple o f mo n t h s, I f o u n d
several programs that took my
fancy. The advertisements led
me to believe they wo u ld b e
available f r o m B o o t s. J o h n
Menzies, e tc. A s I liv e n e a r
Bath a n d Bristol, I h a ve th e
choice of several large stores.
Par f o r t h e co u rse a t Bo o ts
was about eight different pro-
This is the c h
p
a
grams, w i t h Me n z ie s f a i rl y
a
similar.
n
Now I kn o w Dra g o n Da t a
Y MAY be interested to know
OU
was bought b y Eurohard. but
g
at le a st 35,379 p e o p le re a d
that w e recently received t h e
c
your ma g a zin e a n d sa le s o f
following complaint a n d h a ve
e
Dragons mu s t h a ve we ll e x-
advised the complainant that we
will not be pursuing the matter,
e
ceeded that. So, wh e re can I
t
as i n o u r vie w, o n t h e facts
D
see wh a t I wa n t t o b u y? I
suppose I mu s t o rd e r d ire ct
available to us and in the particu-
o
lar circumstances pertaining t o
and risk the quality. I think the
r a
multiple retailers h a ve le t u s
this complaint, there appears not
a
down badly. o r a re sa le s o f
g
to be a prima facie case for
i
software really so bad?
r
investigation under the terms of
the British Code of Advertising
o
This b rin g s m e o n t o m y
Practice.
y
next mo a n . Someone, s o me
years back tried to market his
n
ware, hence t h e return t o
software p ro g ra m a n d t h e
o
market w a s s e t u p f o r t h e
u
prominence o f t h e m a i l
u
1 6 9 5 to £7.95 average price
o rd e r b u sin e ss.
r
of p ro g ra ms. V a rio u s e ffo rts
s
have
:
b e
i
e n m a d e o v e r t h e
r
years to reduce this price, but I
e
suspect they have been large-
w
ly th wa rte d b y t h e re ta ile rs
u
who insist on their E2-E3 profit.
I H A V E re c e n t ly u p g ra d e d
s
If t h e a ve ra g e p rice o f so ft-
from a 32 to a 64 and have two
questions wh ich I wo n d e r i f
T
ware w a s E3-E5, I f e e l su re
1
sales would boom.
anybody can answer. (1) Can
3
the serial port on the 64 hand-
s
Finding t h e p ro g ra ms f o r
le the 1200 receive 75 trans-
your co mp u t e r o n t h e sh o p
L
mit b a u d ra t e n e ce ssa ry f o r
shelf is another problem. Little
e
attention seems to have been
Prestel? (2) As I seem to have
one of the few 64s with the old
i
given t o ma k i n g p a rt icu la r
32 keyboard, is it possible to
t
machine p r o g r a m s re a d i l y
identifiable. I f a standard col-
buy the significantly improved
n
keyboard o n t h e 6 4 a n y -
t
our code top o r bottom band
where?
were u se d f o r e a ch syste m.
d
Douglas Sargeant
then finding what you are look-
i
ing for would be much simpler.
74 Voysey Gardens
Basildon
e
Finally, i n t h e mo a n s a n d
Essex
y
groans section, I wo u ld plea
PS Keep up the good work.
N
for th e industry (software) t o
come clean and indicate more
o
clearly what you can expect to
e
get f ro m t h e ta p e in sid e th e
u
wrapper.
w
P Crooke
Hone ybank
r
FIRST, THANKS for a great
Brittens Hilt
magazine. Secondly. just had
p
Petition
to write and say that our family
t
Bristol
of Dragon u se rs h a ve found
i
Retailers ce rt a in ly s e e m t o
the n e w P o cke t Mo n e y soft-
o
be e x t re me ly re lu c t a n t t o
ware se rie s, b e in g ma rke te d
p
sto ck a n y n e w Dra g o n so ft-
by Microdeal t o b e fantastic.
r
t
s
,
1 (1)
Hunchback
Ocean
s
2 (5) Chuckle Egg
A&F
c
3 (3) Dragon Chess
Oasis
t
4 (7) Cuthbert in Space
Microdeal
o
5 (–) Manic Miner
Software Projects
r
6
(6)
Mr Dig
Microdeal
m
7 (10) Sprite Magic
Knight Software
8 (2)
Hungry Horace
e
Melbourne House
9
(8)
Kriegspiel
e
Beyond
10 (9)
Bug Diver
p
Mastertronic
t
Chart c ompiled by Websters Software
I
i
L
m
A question of intelligence
Subject of complaint: Your mail
order advertisement cla im f o r
"Artificial Intelligence on the Dra-
gon computer" book (Dragon
User).
Basis o f complaint: Com-
plainant doubts that artificial in-
telligence has been invented.
The Advertising
Standards Authority
Brook House
2-16 Torrington Place
LondonWC1E7HN
What's my
line?
Great va lu e f o r £1.99. wit h
great so u n d e ffe cts a n d s u -
perb graphics. I have paid far
more for software which hasn't
been anywhere near as good.
Great s t u f f , e sp e cia lly T e a
Time.
Joan MacTevish
46 Florence Street
Llanelli
Dyfed
Madness and
the Minotaur
I NOTICED in the November
issue of Dragon Use r that you
ask if anyone h a s completed
Madness and the Minotaur. I
have never actually completed
it, but have scored 220 points
which is close to finishing it. I
had two treasures still to col-
lect and I kn e w where one of
them wa s located (I had one
more mo n ste r to kill), but not
the other.
This i s m y favourite g a me
and I spend hours engrossed
in it (much to the annoyance of
my husband). Twice I wrote to
Dragon Data when I was stuck
over something and got some
useful hints from them.
However, o n e thing has me
baffled - - I h a ve ye t t o fi n d
any use for the jewelbox. It is
not a treasure. I have a feeling
it ca n b e opened, b u t it h a s
never opened fo r me. Also. I
still haven't wo rke d o u t wh a t
makes the pack rat give up its
treasure — sometimes it has
done so , b u t I haven't se e n
any p a rticu la r re a so n f o r i t
doing s o a t t h a t p a rticu la r
time. I f y o u c a n h e l p wit h
these queries, I would be very
grateful.
Sue Langmead
287 Gammons Lane
Watford
Herts
February 1985 Dragon User 5
Value for
money,
Software Top 10

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