
CITY DEFENCE

Defend your city and its nine laser bases at the bottom of the screen
from the falling meteors. If you touch a meteor with your sights your
lasers will fire and destroy it. Move up with Q, down with Z, right
with P, and left with I. Move diagonally with the appropriate
combinations of keys.
  You can also move through the three zones of the airspace very
quickly by pressing 1, 2 or 3 as appropriate. The game becomes
progressively more difficult and one meteor can destroy your entire
city.
  Tim Wolverson of Rotherham, South Yorkshire, who wrote City Defence
for the 16K Spectrum, says his highest score so far is 3,360.


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U.F.O. (Spectrum)
by Kristofer Gamstedt
from Sinclair User 20 (November 1983)

THE UFOs are flying overhead and you must shoot down as many of them as
possible by pressing "m". They fly at varying speeds and heights and the
further away and the faster they are, the higher your score. If you miss a
shot you will move down the screen, thus making the game more difficult. Once
you reach the bottom of the screen the game ends. Whenever a UFO escapes you
lose a point.
Written for the 16K Spectrum by Kristofer Gamstedt of Erebro, Sweden.


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DAM BUSTER (Spectrum)
by Tim & Ringo
from Sinclair User 20 (November 1983)

[not yet available]


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DELETION ROUTINE

Frequently, when devising a program, complete sections of it have to
be deleted at a time as the program progresses. David Maxwell of
south-west London has written a Deletion Routine which will remove
whole sections of a program at once. To use it GOTO 9900 and enter the
first and last line numbers of the section you want deleted.


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SOLITAIRE (ZX-81)
by K Sen Gupta
from Sinclair User 20 (November 1983)

After seeing the Solitaire program in the August edition, K Sen Gupta of
Bury, Lancashire submitted this version for the ZX-81. The aim is to end with
only one peg remaining in the middle of the board.

Jump one peg over another into a space and the peg you have jumped will be
removed. Enter AAAA for a demonstration game and QQQQ to begin again.


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REFUELLING (Spectrum)
by Miguel Pontes Garcia
from Sinclair User 20 (November 1983)

[not yet available]


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BULLFIGHT (ZX-81)
by Philip Andersen
from Sinclair User 20 (November 1983)

You stand alone on the screen, facing an angry bull which is moving towards
you. Your only hope is to trick it into falling into the pit on the screen.
Move using the cursor keys and see how long you can survive.

Bullfight was written for the 16K ZX-81 by Philip Andersen of New Malden,
Surrey.


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FIREMAN
by C.R. Draper
from Sinclair User 20 (November 1983)

You are a Fireman, trapped in a burning building. The only way out is to
make your way to the roof to escape to a neighbouring building. As you
move up the building, using cursor keys 5, 6, 7 and 8, the fire will
spread more and more rapidly. As you are wearing a flameproof suit you
can withstand small amounts of heat but running into a wall you will
burn to death.

Written for the 16K ZX-81 by C.R. Draper of Beverley Hills, Leamington Spa.


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POLYGON (ZX-81)
by G Hitchmough
from Sinclair User 20 (November 1983), page 89

Polygon, written for the 1K ZX-81 by G Hitchmough of Liverpool, will draw
regular polygons of up to eight sides, in random order, and you are asked to
name them. If you answer correctly your score will increase. If incorrect,
the correct answer will be printed and the program will end.


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RUNNER (Spectrum)
by A Wilkinson
from Sinclair User 20 (November 1983)

STEER your Runner round the board with the usual cursor keys, avoiding the
ghosts which are determined to steal your power. They will always move
towards you but cannot move through the purple blocking squares. Run through
the energy squares to gain power but do not lead the ghosts through them or
they will eat them.
You gain 100 points for running through an energy square, lose one point for
each move, lose 50 points for running through a purple square, and gain bonus
points for progressing to a new board. A new board can be reached by moving
into the top left-hand corner.
The program was written for the 16K Spectrum by A Wilkinson of Chingford,
London. All underlined letters should be entered in graphics mode.


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