------------------------------------------------------------------------------- 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 ***>