CITY DEFENCE

Defend the citizens of your planet against invading aliens in City
Defence by Robert Eva of Truro in Cornwall. Wave upon wave of enemy
craft must be destroyed before you get the chance to enter Hyperdrive
and defeat the foe in space itself.
  City Defence uses substantial machine-code routines, and you must
therefore take great care when entering the DATA statements at the
beginning. Full instructions are included within the game which runs
on any 48K Spectrum.


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3D WORDS
by John Hunton
from Sinclair User 37 (April 1985)

3D Words is a comprehensive program to design and print display lettering
on any Spectrum. Written by John Hunton of Whitley Bay in Tyne and Wear,
it converts phrases into 3D lettering in the colour and size of your
choice.

The program can be saved by entering GO TO 700 after typing it in. There
are facilities to SAVE and LOAD SCREEN$ so you can work on previous
displays or add lettering to your own pictures to make attractive title
pages or even commercial shop window displays.

The program uses our special abbreviations for the graphics characters,
so please read the instructions on the first page of Program Printout
before entering the listing.


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FIREMAN (aka. The Big Heat)

The temperature is rising down at the building site as Fred the
fireman attempts to control the blaze. The Big Heat was written by
Martin Kirkwood of Bexleyheath in Kent and runs on any Spectrum.
  Freddy must jump up the platforms, avoiding the debris that tumbles
down, to get the fire hose at the top. Then he goes along the conveyor
belt, dodging the spider, to put out the fire at the bottom.


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ROBBER'S LAIR (ZX-81)
by Jason Moody
from Sinclair User 37 (April 1985), page 107

Beat the robbers at their own game by stealing their loot in Robber's Lair by
Jason Moody of Thornton Heath in Surrey. You must find your way through the
cave system using the cursor keys to move, and collect, as many of the
dollars as you can. If you hit any part of the maze your are dead.

An attractively programmed game, Robber's Lair runs on the unexpanded ZX-81.


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C5 CHALLENGE
by Jason Moody
from Sinclair User 37 (April 1985)

Test drive the Sinclair C5 in what must be the first computer game based
on Uncle Clive's electric buggy. C5 Challenge was written by Jason Moody
of Thornton Heath in Surrey for any Spectrum. You must test a prototype
over six circuits of a track, jumping over spikes and praying your
battery does not run out.

The program uses our special abbreviations for graphics characters, so
please read the instructions on the first page of Program Printout
before entering the listing.


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BUILDER (Spectrum)
by M.J.A. Turner
from Sinclair User 37 (April 1985)

[not yet available]


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INFERNO (QL)
by P.S. Newby
from Sinclair User 37 (April 1985)

[not yet available]


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ZXTEND
by Barry Nicholson
from Sinclair User 37 (April 1985)

Add three new commands to ZX-81 Basic with ZXtend by Barry Nicholson of
Hebburn in Tyne and Wear. ZXtend allows you to use RESTORE, READ and
DATA statements more or less in the same manner as Spectrum owners. The
utility occupies about 0.5K of machine code but the loader program
requires at least 3K of memory.

The first listing should be entered and then SAVEd; then type RUN. The
program will check that the REM statement holds enough space for the
machine code and that A$ - the hex-code - is the correct length. Line 1
is changed to a line 0, and a new line 1 created. You must not attempt
to edit those lines or the program will crash. The program ends with a
message about your ROM.

You can now delete all lines after line 1 and use the routine, which is
called by RAND USR 16516. Listing two is a set of demonstration routines
and instructions. If you need to use it, you can leave out all REM
statements with asterisks - eg. lines 10 to 20. You should read through
the listing in any case to understand how to use the new commands. For
Listing two to work, you must type it in after LOADing the finished
version of Listing one.

If you need to LIST your program, use LIST 1 or nothing will appear on
the screen.


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