Electron User 7.05 (Acorn Electron) - Everygamegoing.com

Electron User 7.05 (1990) (Acorn Electron, Magazine) United Kingdom
 
 
Publisher: Database Publications
Database Educational | Database Publications | Database Software

Cover Art Language(s): English

Machine Compatibility: Acorn Electron

Release: Magazine available via High Street/Mail Order (Magazine Articles | Magazine Scans)

Compatible Emulators: Elkulator 1.0 (PC (Windows))

Magazine Contents

Section Title Pages
Ads (2 Pages) Pres Range Of Software Products 2, 3
Ads (1 Page) French On The Run Competition 4
Articles Eu 7.05 Contents 5
News Disc Labels 6
News Highway Patrol - Beverly Hills Cop 6
News It's A Promising Year For Electron Owners 6
News Let Your Micro Get A Head 6
News More Disc Games Are On The Way 6
News Gallup Software Chart 7
Solutions Acheton #4 (topologika) 8
Articles Adventures #38 8, 9, 10
Cheats Sphinx Adventure (acornsoft) 8
Solutions Ring Of Time (kansas) Map 9
Solutions The Axe Of Kolt (elk Adventure Club) 9
Articles A Guide To Electron Text Adventures #03 10
Cheats Impact (audiogenic) 11
Cheats Predator (Superior/Acornsoft) 11
Solutions Ricochet (Superior/Acornsoft) 11
Ads (1 Page) Electron User Back Issues 12
Reviews The Last Ninja 2 (Superior/Acornsoft) 13
Reviews Fab Four Volume 1 (Audiogenic) 14, 15
Utilities Life 16, 17, 18
Utilities Remsave 19
Utilities Logo 20, 21
Articles Time Warp #02: 1984 22
Articles Anatomy Of A Disc Drive 23, 24, 25
Ads (1 Page) Software Bargains Catalogue 26
Articles Double Trouble - Double-sided Discs 27
Ads (other) Keyword 28
Ads (other) Tank Attack 28
Demos Fireworks 29
Utilities System Variables Lister 30, 31
Demos Ten Liner: Short, Sharp Graphics 32
Demos Ten Liner: Water Sports 32
Ads (1 Page) Casio Colour Pocket Tv 33
Ads (2 Pages) Towerhill Catalogue 34, 35
Ads (other) Subscribe To Electron User 36
Ads (other) Upgrading To 16 Bit? Atari St, Amiga Or Pc Subscription 36
Games Deflector 37
Utilities Graph Plotter 38, 39
Ads (1 Page) Mail Order Offers 40, 44, 45, 46
Messages Close Encounter Of The Thargoid Kind 41
Messages Electron User For BBC Micro Users 41
Messages Keeping Tabs On Soccer Results 41
Messages When Your Electron Throws A Wobbly 41
Messages Zysyshelp Has Its Uses 41
Ads (other) E2p, M7 Mk2, Rs423 Cartridge, Romplus-144 42
Ads (other) Electron Spares 42
Ads (other) Electron User Subscription Coupon 42
Ads (other) Ex-demo/refurbished Electrons And Plus 1s 42
Messages Basic Way To Use A Driver 43
Messages Cheats Are Sadly Lacking 43
Messages Home Finance Improvements 43
Messages Printing View On A Schneider 41, 43
Messages Put A Pen To Disc Petition 43
Messages Top Conversions Wanted 43
Ads (1 Page) Impact Software Catalogue 47
Ads (1 Page) Three Great New Titles From Superior 48

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Magazine Information

Original Release Date: 1st Feb 1990
Original Release Price: £1.25
Market Valuation: £1.00 (How Is This Calculated?)
Box Type: A magazine so not supplied boxed
Author(s): -
 

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Download What It Contains
A digital version of Electron User 7.05 suitable for Elkulator 1.0 (PC (Windows))
A digital version of Electron User 7.05 suitable for Elkulator 1.0 (PC (Windows))

Instructions


Deflector | Life | Turtle Graphics

DEFLECTOR

Andrew Sage presents an unusual and addictive ball game

DEFLECTOR DEFLECTOR is a fascinating game that is sure to have you hooked right from the start. A target looking like a small polo mint moves slowly around the screen and a rubber ball also bounces around. What you have to do is to make the ball hit the target by bouncing it off strategically placed deflector shields.

The idea is simple, but the gameplay is maddeningly frustrating - you'll soon be tearing your hair out as the ball bounces uncontrollably around the screen.

You have two controls - the keys *lt; and > - which can be used to place an angled deflector just behind the ball. One deflector points one way and the other in the opposite direction. When the ball bumps into a deflector it bounces off in the appropriate direction. By careful placement of the deflectors you can make the ball bounce in any direction you wish, and so hit the slowly moving target. Well, that's the theory, but in practice it is quite difficult and requires a lot experimentation. Be prepared to spend the first few games just familiarising yourself with the controls.

At the start you have the option to change the difficulty level from zero (hardest) to nine (easiest). Start on level nine and master that before attempting to increase the difficulty.

LIFE

John Geraghty presents an updated version of a favourite simulation

LIFE LIFE is an implementation of that old simulation originally devised by John Conway. The program uses three simple rules to simulate the growth of a colony of cells as it grows and becomes a stable body or completely dies out.

For those unfamiliar with the concert, LIFE is basically a pattern generation algorithm of extraordinary simplicity and power. The action takes place on a plane divided up into a grid of squares or cells - this Electron version is 40 by 62 cells.

Each cell may be alive or dead initially - you set this up at the start - and each one has eight immediate neighbours. The computer works out the next generation of cells in accordance with the following three simple rules

  • If a given cell has two live neighbours its status will be maintained until the next generation. If alive, it remains alive, and if dead, it remains dead.
  • If it has three live neighbours it will be alive in the next generation.
  • If it has any other number of live neighbours it will be dead in the next generation.

The variety of patterns that these three rules can create is astonishing. Cells swarm about to form colonies which may become stable or collapse into debris. There are even formations which creep about like amoebas, sending out limbs as they pull themselves along.

To explore the LIFE universe, type in the program and save it before running it to prevent the possibility of losing your work if you have made a typing error in the assembler section.

When you run it you will automatically enter the editor. Although only 2,480 cells are shown onscreen, the display is torrodial, or wraps around to simulate an infinite plane. Patterns going off one edge of the screen re-appear on the opposite edge.

To set a cell, move the cursor with the Z, X, * and ? keys, plus the SHIFT key if you want double speed, then press RETURN. Press RETURN again to delete the cell. You can set several cells at once by holding down RETURN plus a direction key.

Pressing C toggles the colour option on and off. If you choose to have colour, the new born cells will be shown in green, the mature cells in white and the dying cells in grey. With no colour both the newborn and mature cells will be shown in white and the dying ones will be omitted.

Pressing S toggles the single stepping on and off. This option pauses the display in between each generation so you can study it. Press the SPACE bar for the next generation. Press E to enter and exit the editor, starting and stopping the game of life.

There are many fascinating patterns to be discovered, and to get you going, here are a few groups of cells that do interesting things. If you discover any yourself, why not send them in to Micro Messages and share them with other readers?

TURTLE GRAPHICS

Try Timothy Grantham's fast logo and turtle graphics interpreter

TURTLE GRAPHICS Logo is a fairly new language, less than fifteen years old. It was developed by Seymour Papert, a mathematics professor at the Massachusetts Institute of Technology. He investigated how cihldren learn and how computers could help them. Logo was intended to provide the ideal learning environment.

It has been, and still is, widely used in schools, particularly in primary education where children are taught simple geometry through using a turtle or buggy combined with Logo's simple graphics commands.

Unfortunatey, the educational history of Logo's development has had the effect of labelling the language as a child's toy. Most people are aware only of the turtle graphics side of the language, and this tends to strengthen the misapprehension.

It is far from being a toy and is in fact a powerful programming language which has many applications. With the exception of turtle graphics, Logo is far from easy to learn and is probably more difficult to get to grips with than Basic.

To provide a gentle introduction to this fascinating language here is a simple turtle graphics interpreter written in just a few K of Basic. The table below lists the commands the interpreter understands.

To get you started writing Logo programs there is a demonstration built in to the program. Run the program and press function key 1 - CAPS LK/FUNC+1 - to draw a picture. Here is a short procedure to draw a square:

   CLEARSCREEN
   FORWARD 100
   LEFT 90
   FORWARD 100
   LEFT 90
   FORWARD 100
   LEFT 90
   FORWARD 100
   LEFT 90

It can be written in a more compact form using the REPEAT command like this:

   CLEARSCREEN
   REPEAT 4 [FD 100 LT 90]

Simple, isn't it? Can you draw a triangle instead? Or a star shape? Experiment and have fun.

Abbreviation Command Effect
CS CLEARSCREEN Clear the screen
CAT CAT Catalogue disc or tape
FD FORWARD num Move forward
BK BACK num Move back
RT RIGHT num Turn right
LT LEFT num Turn left
OSCLI OSCLI command Operating System command
KEY KEY num, command Define a function key
HT HIDETURTLE Hide the turtle
ST SHOWTURTLE Show the turtle
PU PENUP Lift the pen up
PD PENDOWN Put the pen down
CIRCLE CIRCLE num Draw a circle
OVEL OVEL num,num Draw an ellipse
SETPC SETPENCOLOUR num Set pen colour
NEW NEW Insert a new ADFS disc
SAVE SAVE "string Save the screen
LOAD LOAD "string Load the screen
PRINT PRINT "string Print a string
CL CLEAN Clear the screen
HOME HOME Send the turtle to home position
CT CLEARTEXT Clear the text window
REPEAT REPEAT num Repeat instructions in [...]
FILL FILL Fill the shape with colour
TEXT TEXT "string Print text at turtle position

Electron User 7.05 is Item ID 51732 in our database. Last modified on Thursday 18th July 2019 at 04:57:16 PM.

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