
-------------------------------------------------------------------------------

ZX81 PROGRAM LIBRARY - DISK 3

INFO about the ZX81 programs (.P) suitable for XTricator & XTender
Version 0.29 as of 93.12.15

Compilation & Descriptions (c) by Carlo Delhez, December 1993.

The programs on this library disk as well as this text file are part
of a registered copy of XTricator or XTender and may NOT be further
distributed in any way!

-------------------------------------------------------------------------------

1K-BREAK        * 1k Breakout by J.K. Greye Software, undated
                * the best of all breakout games, written for the 1k machine
                * you have 9 attempts to collect all the pounds and dollars
                * before loading: type POKE 16389,68 and NEW
                * after loading: type RUN to start
                * steering: 5 and 8 for left and right
                * game automatically restarts once finished
                * exit any time by Break

3DLABYR         * 3D Labyrinth by H. Stamm, 1983
                * 3D maze game, machine coded
                * try to find the hidden gold in the 3D maze; as a clue,
                  the distance to the chest is displayed
                * fast maze generation; proper algorithm: real maze!
                * impressively fast 3D graphics; auto-solve option
                * steering: instructed
                * exit any time by Break

3DMAZE          * 3D Maze, author unknown, undated
                * 3D maze game, in Basic
                * escape from the maze before your time runs out
                * distance to the exit displayed once every while
                * slow but nice
                * steering: instructed
                * exit any time by Break

3DMONSTR        * 3D-Monster-Labyrinth by Frank Beer & Wolfgang Labus, undated
                * 3D maze games, combined Basic and machine code
                * slower and less exciting than the original JK Greye game!
                * random maze is generated on-screen; integrity is checked
                  by Hans; all this is in Basic and quite slow
                * the game itself is nice but difficult: 8 monsters block
                  your way once every while
                * steering: cursor keys 5,6,7,8 (shifted or unshifted)
                * all texts in German
                * exit any time by Break

3DRACE          * 3D Higwayrace, author unknown, undated
                * car driving game, machine coded
                * keep your car in the middle of the road, and avoid the
                  hazards and oncoming cars
                * game is very similar to Nightdriver, but easier
                * 3 levels: 1 = easy, 3 = difficult
                * all texts in Dutch
                * steering: 1..5 : left
                            6..0 : right
                * exit at the end of a game by Break

84-CAVES        * The 84 Caves, author unknown, undated
                * text adventure, in Basic
                * you are an adventurer transported to Mars and trapped
                  in a three-level network of tunnels and 84 caves
                * collect 6000 gold bars, bribe the guard, then kill the
                  smaug, steal the arkenstone and find the exit
                * but watch out for the nasties
                * instructions included
                * exit any time by Break

ARTILLER        * Artiller by Ch. Zwerschke, 1982
                * two-player shooting game, in Basic
                * two gunners, one at each side of hill, take turns in
                  shooting at each other; the first hit wins
                * named players, wind effects included
                * angle and speed (<=20) of cannon shot can be typed
                * all texts in German
                * exit any time by inputting STOP

AUTOCHEF        * Autochef by CCS, 1982
                * business game, in Basic
                * you have to manage restaurants
                * set meal costs and salaries as to make large profits
                * you are informed about cost indecies forecasts, surveys
                  of potential customers, tender costs, advertisements etc.
                * extensive financial overviews
                * exit any time by Break

AWARI2          * Awari by Andre Baune, July 1992
                * board game, in Basic
                * you (and the ZX) take points from one of your boxes and
                  distribute them one at a time in the adjacent boxes in a
                  clockwise motion. If the last point is dropped in an empty
                  box, the points in the opposed box will go to your score box
                * leftest and rightest boxes are the score boxes
                * game ends if a score of 18 is reached, or no points are
                  left to distribute
                * fast decisions by computer, ZX always begins
                * exit any time by Break

BACKGAMM        * Backgammon by Psion, undated
                * board game, combination of Basic and machine code
                * First move all your stones to your `home base' and then move
                  them off the board, but obstruct your opponent doing the same
                * one player against the ZX81
                * 4 skill levels, Fast or Slow operation
                * graphical display of board, accumulative scoring
                * player has white and moves anti-clockwise, ZX81 has black
                  and moves clockwise
                * press Y to take a stone from the bar
                * exit any time by Break

BANK            * Bank Analyses by Transform Software, undated
                * financial database program, in Basic
                * keeps track of your bank account
                * main menu options include bank account (submenu), sales,
                  purchases, total subheadings, enter dates, clear totals,
                  save and load
                * exit any time by Break or Stop

BINDEX          * Bindex by ZX-Team, 1992
                * binary/decimal/hexadecimal conversion utility, in Basic
                * after title page, press newline to go to main screen
                * enter number preceeded by: B for binary, D for decimal
                  and H for hexadecimal
                * the decimal, hexadecimal and binary representations will
                  be shown on the screen
                * numbers restricted to double byte values, texts in German
                * exit by inputting STOP

BOMBEN          * Bomben by Dilwyn Jones, undated
                * small board game, in Basic
                * in this variation of Nim, you and the ZX81 take turns in
                  removing 1 up to 3 bombs from a row; whoever takes the
                  last bomb, loses - and explodes
                * ZX81 decides who begins at random
                * whoever begins ususally wins, unless...
                * press NewLine to go to the main screen, then use the
                  keys 1..3 to select the number of bombs to be removed
                * all texts in German
                * exit any time by Break

BOUNCING        * Bouncing Ball, author unknown, undated
                * simple animation of a ball bouncing on the floor, in Basic
                * program starts automatically; it lets the balls bounce from
                  left to right or from right to left and with variable speeds
                * exit any time by Break

BREAKOUT        * Breakout by Vinsoft, undated
                * ball game, machine coded
                * try to destroy the wall by bounncing the ball against it
                * at title page, press
                  1 - to set fixed game speed; 1=slow, 4=fast
                  2 - auto-speed, incrementing at each new ball
                  3 - auto-speed, incrementing after each 10th brick hit
                  B - to select single or double bat (press 1 or 2)
                * after game, press J for a new game, N to stop
                * steering: left/right side of keyboard for up/down
                            e.g. T and B for up and down
                * bat may not be moving when the ball bounces against it
                * all texts in Dutch
                * exit at title page by Break

BRICKOUT        * Little Brick Out by Ch. Zwerschke, 1982
                * ball game, machine coded
                * destroy the walls by bouncing the ball against it
                * 2 game types, 9 speed levels, 5 balls per game
                * keys 6 and 7 to move up and down
                * ball must bounce exactly on the bat, otherwise it's lost
                * exit any time by Break

BYTER           * Byter, author unknown, undated
                * PacMan game, machine code
                * you control a mouse which moves around the maze, gobbling
                  dots and dollars
                * ghosts become edible by eating dollars
                * 10 skill levels, nice effect after lost live (see right bar)
                * steering instructed
                * exit any time by Break

CALENDAR        * Calendar of the 20th century, author unknown, undated
                * enter year (1900..1999), month (1..12) and day (1..31)
                * the program will tell you the day of the week

CARRACE         * Car Race by Ch. Zwerschke, undated
                * car racing program, machine coded
                * keep your car on the road while it rapidly speeds up
                * try to get as far as possible before time's up
                * steering instructed
                * exit any time by Break

CASTLES         * The Castles of Carmain by John Wood, undated
                * intelligent shooting game, in Basic
                * using a trusty cannon, you must destroy all the castles
                  surrounding the city of Carmain
                * you must enter the cannon angle (10..80 degrees) and the
                  speed of the ball (order 100..1000)
                * many different situations, limited number of cannon balls
                * exit any time by Break

CENTIPED        * Centipedes, author unknown, undated
                * space shooting game, machine coded
                * protect your spaceship against the alien snake invaders
                  and against the stones they are dropping before they
                  reach ground level
                * 1 thru 9 players; press the proper key at the startup screen
                * 100 speed levels, 1 for fast, 100 for slow
                * at the end of a game, press "S" to restart
                * steering: V - N = left - right
                              0   = fire
                * fast action, nice effects, all texts in German
                * exit after game by Break

CLUBRECD        * Club Record, author unknown, undated
                * simple address database for small club, in Basic
                * information for up to 100 members can be stored
                * datafields include name, address, phone number and
                  five user definable items
                * instructions included
                * program keeps track of version number
                * exit any time by Break

CRASHER         * Crasher by Tim Hartnell & Anthony Willing, undated
                * game of tact, in Basic
                * crash into the letters and numbers to score points
                  but avoid the mutant inverse characters
                * game ends after 100 scrolls
                * steering: instructed
                * exit any time by Break

CRZYKONG        * Crazy Kong by Christoph Zwerschke, March 1983
                * action game, machine coded
                * rescue your girlfriend, Miss Piggy, who was robbed by Crazy
                  Kong; climb the 55m high building before it burns down, and
                  avoid the barrels that are rolling down
                * 3 lives, up to 6 players
                * steering: instructed
                * excellent graphics, but difficult to play
                * exit any time by Break

DISASSEM        * Disassembler by Ch. Zwerschke, 1982
                * small and fast disassembler, machine coded
                * after loading, the code is stored above RAMtop
                * code length only 1800 bytes, stored at address 30976
                * POKE start address at locations 32704/5
                * for one page of disassembly: RAND USR 32032
                * start address is automatically updated after each call
                * remove code by reset

DUCKSHOT        * Duck Shoot, author unknown, undated
                * shooting game, in Basic
                * try to hit the duck in the water by typing the right
                  angle of inclination of your gun (45 thru 85 deg)
                * don't hit the moon, or it will fall down!
                * up to two shots per screen, duck comments on your result,
                  program stops after five screens
                * exit any time by Break

ELEFANTS        * Elefants, author unknown, undated
                * jungle adventure, in Basic
                * you are in a jungle, looking for the place where elephants
                  go to die; you can buy servants, ammunition, food, tents;
                  you encounter all kinds of hazards
                * all texts in Dutch
                * exit any time by Break or Stop

EN-BOOT         * Boot program for Encounter by Pixel Productions, 1982
                * run this program, before loading Encounter (EN)
                * see EN for details

EN              * Encounter by Pixel Productions, 1982
                * adventure, in Basic
                * experience the excitement and terror of a first contact:
                  show the aliens how intelligent you are, and then...
                * requires the boot program EN-BOOT to be run first
                * nice space-graphics; there are no instructions: it depends
                  on your intuition what to do with the clues you get...
                * exit any time by Break

FALLE           * Falle, by Dilwyn Jones, undated
                * game of tactics, in Basic
                * move yourself ('+') around in a small square by using the
                  keys 5..8 and try not to bump into the obstacles which are
                  put randomly onto the screen each time you move
                * game ends when you are trapped, score gets displayed
                * all texts in German
                * exit any time by Break

FORMULA1        * Formula One by P. Dziwiar, May 1983
                * car racing game, machine coded
                * steer your 5-gear Formula One car over a 1000 units long
                  circuit in as short a time as possible
                * random circuit, quite difficult
                * automatic throttle & break, only gears and steering
                  need attention
                * time-penalty for hitting the edges of the track
                * subsequent scores are listed and rated
                * exit between races by break

HI-RES          * High Resolution Toolkit by Computer Rentals Ltd., 1983
                * the original toolkit by Richard Taylor
                * the principle of ZX81 Hi-Res applied by this program
                  served as the example for all later Hi-Res programs
                * type POKE 16389,103 / NEW before loading
                * line 0 contains the routines; most relevant are:
                  - 16790 : clear high resolution screen
                  - 16781 : display hi res screen
                  - 17023 : xor-plot (x=peek 16507, y=peek 16508)
                  - 16812 : invert hi res screen
                  - 16772 : return to low res screen

HR-SINE         * Hi-Res Sine Demo by Computer Rentals Ltd., 1983
                * demonstration of Hi-Res toolkit, in Basic and machine code
                * draws two hi-res sine waves plus axes and then inverts the
                  screen once every while
                * type POKE 16389,103 / NEW before loading
                * exit any time by CTRL-ESC (restoring lo-res)

HR-XPO3D        * Hi-Res Expo 3D Demo by Computer Rentals Ltd., 1983
                * demonstration of Hi-Res toolkit, in Basic and machine code
                * draws 3-dimensional surface (takes care of hidden lines)
                  and then inverts the screen once every while
                * type POKE 16389,103 / NEW before loading
                * exit any time by CTRL-ESC (restoring lo-res)

HOU-ZE          * Hou Ze Gevangen, author unknown, undated
                * aircraft shooting game, in Basic
                * enemy aircraft are escaping from your base; shoot them
                  before they reach the open sky
                * two lasers are operated with keys 1 and 0
                * the more planes you hit, the faster they will fly; game
                  ends when 10 aircraft have escaped
                * type 'S' after a game to restart
                * simple but entertaining game, all texts in Dutch
                * exit any time by Break

INTEREST        * Interest, author unknown, undated
                * general interest calculation, in Basic
                * enter initial amount, monthly deposit, annual interest
                  (in percents) and length of time (in years)
                * program calculates total value after the period, total
                  investment and the difference: total gain from interest
                * note: initial amount or monthly deposit may be zero
                * the annual interest is converted to a monthly interest
                  by dividing it by 12; therefore the actual annual interest
                  is higher than what you have typed...

JUMP            * Jump, author unknown, undated
                * game of tactics, in Basic
                * you are jumping up and down inbetween the floor and the
                  ceiling, and can move left and right; try to hit all the
                  lamps (*) on the ceiling and always bounce on an unbroken
                  flagstone (=); 1 point per hit lamp
                * dust particles in the air (.) may be wiped on your way down,
                  but must be avoided on your way up; never hit the walls!
                * steering: 'Z' and '.' for left and right
                * note: the first few jumps don't reach the ceiling yet
                * game restarts by itself after the high score table
                * all texts in German
                * exit any time by Break

KAMEL           * Kamel by Creative Computing, New Jersey, undated
                * text adventure, in Basic
                * you and your camel are somewhere in the desert, with only a
                  limited supply of water and a bunch of pygmees chasing you
                * only 6 commands, which are given by pressing a number
                * texts have been translated to German
                * exit any time by Break

KEYBOARD        * Keyboard, author unknown, undated
                * typing practice program, in Basic
                * type RUN to start test
                * the computer will display 10 letters and/or numbers,
                  selected at random; press the appropriate key while
                  the character is still on screen to score a point
                * very difficult!

MAZEDASH        * Maze Dash by Tim Hartnell, undated
                * simple maze game, in Basic
                * the object is go from left to right but hitting as few
                  barriers as possible (but you have to keep moving)
                * game ends when you hit a grey wall
                * steering: instructed
                * exit any time by Break

MC1             * MCoder-1 (ZXGT) by PSS (Conventry), 1982
		* ZX81 Basic compiler, machine coded
                * compiles ZX81 Basic programs into fast machinecode
                * cannot be used to compile existing programs
                * bad compatibility with ZX81 Basic
                * the successor (MC2) is quite a lot better!

MERCHANT        * Merchant of Venus by Crystal Computing, 1982
                * space adventure, machine coded
                * very well-designed game with interesting graphics
                * you have won a contract from the Galactic Trading Company;
                  you may spend 500,000 solari for stock and freighter
                * choice between 10 types of freighters
                * main menu options are: trade, effect repairs, transfer
                  Illyrion and commence launch
                * quit submenus by key 'X', confirm numbers by NewLine
                * launch, fly and touchdown with keys 5 thru 8
                * exit after freighter crash (key 'N')

MISSILE         * Missile Command by Martin Zwerschke, March 1983
                * defensive game, combined Basic and machine code
                * protect the pyramids on earth against the alien rays
                * stop the rays by exploding bombs at their growing side
                * 4 or 5 rays, 10 speed levels, texts in German
                * steering: 8 - 9 = left - right
                            R - G = up   - down
                            0     = bomb
                * many other keycombinations possible
                * exit any time by Break

MRGATRYD        * Murchatroyds by Collins Computing, 1981
                * stategy game, in Basic
                * the Murchatroyds are closing you in but you can lure
                  them to their deaths in the mine field by making the
                  right moves
                * you can move in 8 directions per move, every Murchatroyd
                  makes one move as well
                * look out for the leaping Murchatroyd
                * exit any time by Break

MUNCHER         * Muncher II by Robert Turner, 1983
                * PacMan-type game, in Basic
                * slow version of the original PacMan game
                * 5 skill levels, 2 ghosts, 4 power pills, bonus
                * steering: cursor keys (shifted)
                * exit any time by Break

NAMTIR          * Namtir Raiders by J. Ritman, Artic Computing Ltd., 1982
                * space invaders game, machine coded
                * fast action, 3 speed levels (3 = slowest)
                * large invaders, type of invaders changes per level
                * if the invaders reach ground level, a new group appears
                * steering: Q .. T : left up
                            Y .. P : right up
                            A .. G : left down
                            H .. L : right down
                            top & bottom row : fire
                * no official exit

NIGHTGUN        * Night Gunner by Digital Integration, 1982
                * aircraft shooting game, machine coded
                * four aircraft circle around your gunsight; shoot them when
                  their are exactly in the centre
                * you can "move" the gunsight with the cursor keys - in fact
                  the sight remains at the same place but the aircraft move
                  in the opposite direction!
                * nice title page and special effects
                * steering : 5,6,7,8 : left, down, up, right
                             Q       : fire
                * no official exit

PACKMAN         * PacMan by Solidware, undated
                * version of the classical game, machine coded
                * all the features included: food, craft-food, purchasers
                * 2 levels, truely biting PacMan
                * nicely looking and fairly complicated maze
                * exit at end by Break

PADDESTL        * Determineren Paddestoelen by E. Beniest, 1984
                * toad-stool identification program, machine coded
                * 24 characteristics of toad-stools have to be quantified;
                  the program will then determine the matching toad-stool
                * characteristics include size, shape, colour, area,
                  hairyness, scent etc.
                * theoretically, over 1E11 species are covered;
                  the database probably contains a few less
                * all texts in Dutch
                * no official exit

PLAYBOY         * Playboy, author unknown, undated
                * draws the playboy bunny on the screen
                * exit by Break

POKER           * Poker, author unknown, undated
                * classical Poker game, in Basic
                * graphical representation of cards
                * you have $ 100, your minimum stake is $ 5
                * all texts in German
                * exit any time by Break

PROGAID         * Program Aid, various authors, compilation dated January 1986
                * useful programmers' tools for 8-16k area, machine coded
                * kit consist of three main tools: (1) Toolkit-1k, (2) Monitor
                  and (3) Disassembler
                * a summary of options is presented after loading
                * ad (1) : Toolkit-1k, located at addresses 8192 onwards
                  - authors: A. Olivera, A. Scott, H. van Abbe, L. van Dorp
                  - contains various small utilities such as RAMtop Down,
                    RAMTop To, Rub Lines, REM add, Renumber, Mem Left,
                    Mem Used, Line-Address etc.
                  - special feature for 32k+ RAM systems: Store, Recall and
                    Exchange allow two independent programs, complete with
                    their own separate system variables, to be present in RAM
                    and to be rapidly exchanged with a single USR call
                * ad (2) : Monitor by H. Galema
                  - calling address 10240
                  - quite extensive monitor program with fast and easy
                    movement through memory plus many option available
                  - definable fixed memory block; memory dump, text dump
                    or object code; hex/dec conversions; insert, delete,
                    move, erase, search and compare blocks; calculate jumps,
                    set breakpoint, run MC, relocate code
                  - inverse letters are Shifted!
                  - press Q to quit
                * ad (3) : Disassembler mit Pfiff by H. Tischer, 1984
                  - calling address 14626; gives regular cursor
                  - type P or T for Program or Text dump
                  - type start address in hexadecimal
                  - additional options for printout
                  - keyword STOP to quit
                * Loading this program destroys the original contents of
                  the 8-16k area

PURCHASE        * Transform Purchase Day Book, author unknown, undated
                * financial program, in Basic
                * requests company name and financial year
                * options include make entries, list entries, obtain totals,
                  search, save, enter subheadings, clear and load
                * make entries according the pre-printed format just above
                  the INPUT line
                * exit any time by Stop

REM-GEN         * REMark generator from ZX-Team Magazin #3/1992
                * utility for creating a long '0 REM' line, machine coded
                * line 0 already contains 60 bytes of machine code
                * to generate a longer line, type the total number of bytes
                  required (>60) and wait for the inverse-0 report; then
                  remove lines 2 through 12 and resave the program
                * don't remove line 1 as this may cause the disreputable
                  `infinite listing' bug of the ZX81 to occur

RITTER          * Ritter, author unknown, undated
                * graphical mini-adventure in Basic
                * it is your task to enter the castle; first, you'll have
                  to hit the castle with your arrows many times, but watch
                  out for the guards' arrows and the thunderbolts
                * all texts in German, steering instructed
                * press 'J' at the end of a game to restart
                * exit any time by Break

ROMANEMP        * Roman Empire by M.C. Lothlorien, 1982
                * army game, in Basic
                * you are a general in ancient Rome and have to bring peace
                  to the Roman empire
                * 3 levels of play
                * the main menu lets you build and change armies by adding
                  legions and selecting a general
                * other options are: check countries (10), legions (18),
                  generals (9) and campaigns; make attack or withdrawal;
                  fight a further period.
                * exit at main menu by Break

ROULETTE        * Roulette, author unknown, undated
                * classic gambling game, in Basic
                * you start with 1000 pounds and can bet on number combinations
                * all the possibilities are available: single number, range
                  of numbers, even, odd, black, white, even-black, etc.
                * program keeps track of highest winning
                * exit any time by Break

SALESDAY        * Transform Sales Day Book 1, author unknown, undated
                * financial program, in Basic
                * keeps track of invoices in a single financial year
                * per invoice the following information can be entered:
                  day, month, pounds & pence ex. VAT, VAT rate (in %, at
                  least two digits), client's name and outstanding (Y/N)
                * main menu includes: make entries, list entries, search,
                  enter paid invoices, correct errors, save and clear
                * exit any time by Stop

SD2-DEMO        * Simdos/2 demonstration, by Carlo Delhez, December 1993
                * fast animation by using RAMdisk, in basic
                * load SIMDOS2 (disk #2) prior to loading this program!
                * first, the program draws 12 different screens and stores
                  them in the ZX81 RAMdisk by using Simdos/2
                * eventually, the screens will be shown as a fast sequence
                  by reloading them in quick succession from RAMdisk
                * the animation shows the damped oscillation of balls
                  bouncing up and down in the earth's gravitational field
                * exit any time by Break

SPIDER          * Spider Mutants by Peter Weiland, 1985
                * beautifully designed space shooting game, machine coded
                * aliens are trying to conquer the earth with their spider
                  space ships; you have 5 defense bases to frustrate the
                  attack
                * 5 levels of play (0=easiest); level rises during play
                * steering: 5 and 8 : left and right; 0 : fire
                * all texts in German
                * unfortunately the machinecode contains a bug that makes
                  impossible to move left (you leave a trail); if anyone
                  has can cure this bug: please contact me!
                * exit during game by Break

SPIDER2         * Spider, author unknown, undated
                * spider adventure, in Basic
                * you are a spider and have to make your way through three
                  levels: the plughole (beware of drops), the bath (avoid the
                  obstacles) and the bathroom (don't get lumbered)
                * extensive instructions included
                * exit any time by break

STARTREK        * Startrek, author unknown, undated
                * space adventure, in Basic
                * you are in command of starship Enterprise; your mission is
                  to destroy Klingon battle cruisers in this quadrant of the
                  galaxy
                * extensive instructions included
                * exit any time by Break

SSS-BOOT        * Boot program for SubSpace Striker by Pixel Productions, 1982
                * run this program, before loading SubSpace Striker (SSS)
                * see SSS for details

SSS             * SubSpace Striker by Pixel Productions, 1982
                * space game, in Basic
                * you are the captain of SubSpace Striker Swordfish. Your
                  mission is to disrupt the federation spacelanes to cut
                  off their vital supplies
                * requires the boot program SSS-BOOT to be run first
                * nice space-graphics, game itself is a little dubious
                * instructions included
                * exit any time by Break

ST-BOOT         * Boot program for Starquest by Pixel Productions, 1982
                * run this program, before loading Starquest (ST)
                * see ST for details

ST              * Starquest by Pixel Productions, 1982
                * space adventure, in Basic
                * object of the game is not explained
                * requires the boot program ST-BOOT to be run first
                * game seems to end once you get absorbed by a black hole
                * instructions included
                * exit any time by Break

SUPERMTH        * Super/Math, author unknown, undated
                * mathematics practice program, in Basic
                * practice includes addition, subtraction, multiplication
                  and division
                * 5 difficulty factors, 10 problems per test
                * at the end you are graded (grades F through A+)
                * there's a very easy way to get an A+ all the time!
                * exit any time by Break or Stop

SUPERWUM        * Super Wumpus by Silversoft, undated
                * text adventure, in Basic
                * first find the Wumpus and then return to the exit
                * 3 levels, 3 cave patterns, 255 fixed game plots
                * initial amount of arrows and food can be chosen
                * during game, only type first letter of commands
                * exit by entering "Q"

SWORD           * The Sword of Peace, author unknown, undated
                * text adventure, in Basic
                * you are Crown Prince of Oz and you are sent on a quest to
                  prove that you are worthy of becoming Monarch of Oz
                * find the four objects of state to prove this
                * you encounter good, neutral and evil monsters
                * the evil monsters cast a spell that you can choose yourself
                * the good monsters give you very useful tools
                * vectored moves, maximum distance is 20
                * extensive instructions included
                * exit any time by Break

TANK-ATT        * Tank Attack, author unknown, undated
                * shooting game, in Basic
                * you are a tank; it is your mission to destroy as many
                  enemy tanks as possible; but they also shoot at you!
                * gun can be moved up/down (range) and left/right
                * hit the backside of the tank to destoy it
                * steering: instructed
                * exit any time by Break

TEMPCONV        * Temperature Conversion, author unknown, undated
                * converts between Kelvin, Celcius and Fahrenheit
                * enter tempurature in one of these measuring systems and
                  specify the unit separately
                * K is converted to F, F to C and C to F
                * exit any time by inputting Stop

TIMEXTRP        * Timex Trap, author unknown, undated
                * game of skill, machine coded
                * try to trap the ball(s) inside a square box by moving the
                  walls of the box, trapping the ball and locking it in
                * 36 speed levels (indicated in top-left corner of screen)
                * steering: T, B, D, J : select one of the four walls
                            5, 6, 7, 8 : move selected wall
                            P, Z       : increment/decrement speed
                            1          : launch 2nd ball
                            0          : restart game
                * no official exit

TRAP            * Trap, author unknown, undated
                * evasive game, in Basic
                * try to eat as many blocks of cheese as possible before the
                  computer mouse catches you - but take care of the traps
                * press 'J' to start a new game, any other key to stop
                * computer mouse is very fast; all texts in German
                * steering: instructed
                * exit any time by Break

VIDEO-GR        * Video Graph by Video Software Ltd., May 1981
                * graphics editor & viewer, in Basic
                * a simple tool to create graphical pictures and view them
                * storage space for 10 main pages, 8 small pages and picture
                * options include clear, create, amend, store, move, add
                  and display
                * 10 example pages included (kitchen layout planning)
                * exit via main menu

VIDEO-VW        * Video View by Video Software Ltd., May 1981
                * graphics editor & viewer, in Basic
                * a simple tool to create graphical pictures and view them
                * very similar to VIDEO-GR, but can hold 12 main pages,
                  no small pages, no add option
                * 10 example pages included (tourist info about Kinver)
                * exit via main menu

VIER1           * Vier Gewinnt, author unknown, undated
                * brain game, combined Basic and machine code
                * a one-player game in which the player must try to get four
		  blocks of his colour in a straight line (horizontally,
                  vertically or diagonally) while competing with the ZX81
                  who tries to do the same
                * players take turns, blocks are dropped as in the real game
                * program tests for a winner, texts in German
		* exit any time by Break

ZOMBIES         * Zombies by Artic Computing, 1981
                * stategy game, in Basic
                * you have crashed on an island inhabited by man-eating zombies
                * they are moving towards you - make the right moves to lure
                  them into potholes
                * you can move in 8 directions per move, every zombie makes
                  one move as well
                * exit any time by Break

ZOR-BOOT        * Boot program for Zor by Pixel Productions, 1982
                * run this program, before loading Zor
                * see ZOR for details

ZOR             * Zor, Battle of the Robots, by Pixel Productions, 1982
                * space game, in Basic
                * you are on a remote and barren planet to do battle with a
                  champion from Zor, to try to demonstrate Earth's supremacy
                  in robotic wargaming
                * requires the boot program ZOR-BOOT to be run first
                * you have a limited amount of energy and various weapons
                  such as proton missiles, neutron shells and shields
                * nice space-graphics; instructions included
                * exit any time by Break

ZX-SHOOT        * ZX Shoot by D. Thorpe, 1984
                * hi-res shooting game, machine coded
                * shoot the aliens & destroy their cars, before they hit you
                * steering: 5 & 8 : rotate clockwise & anti-clockwise
                            6 & 7 : move backward & forward
                            0     : fire
                * you cannot fire in the upward direction
                * program seems buggy: the score never advances
                * no official exit

<*** End of File ***>
