---
title: "Downloadable Software for the Timex/Sinclair 2068"
id: "56196"
type: "page"
slug: "downloadable-software-for-the-ts-2068"
published_at: "2024-07-21T03:03:25+00:00"
modified_at: "2026-04-05T08:03:42+00:00"
url: "http://localhost/downloadable-software/downloadable-software-for-the-ts-2068/"
markdown_url: "http://localhost/downloadable-software/downloadable-software-for-the-ts-2068.md"
excerpt: "Timex/Sinclair 2068 users did not have the huge library of software for the ZX Spectrum directly available to them, due to changes Timex made in bringing the 2068 market. While this may have been a contributing factor to the lack..."
---

Timex/Sinclair 2068 users did not have the huge library of software for the ZX Spectrum directly available to them, due to changes Timex made in bringing the 2068 market. While this may have been a contributing factor to the lack of commercial success for the computer, it did not stop its users from developing their own software.

The TS-2068 has several unique advantages over the ZX Spectrum: it had higher resolution graphics modes, the ability to run software (machine language and BASIC programs) from a cartridge, freeing almost all of the RAM for data use. A number of programs, including OS-64, MScript, and Pro/File 2068, took advantage of these features.

Almost all of the files available here are in TAP format, for easy use with emulators and devices like the TS-Pico. Some of the archived software also includes a WAV file, which can be used with a phone or other digital audio player (such as Audacity on your PC) connected to the EAR input of your computer to load software the old fashioned way.

You can access the entire library of archived software for both the 1000/1500 and 2068 on [archive.org](https://archive.org/details/timex-sinclair-software-archive)
.

### Running Spectrum Software

You can run ZX Spectrum software on your Timex/Sinclair 2068 in a variety of ways:

- with a Spectrum ROM cartridge
- with an internal switchable Spectrum ROM, like the ROMSwitch
- with a twister board (either with or without Spectrum ROM) and a DIV MMC
- with the TS-Pico

ZX Spectrum software is available at [Spectrum Computing](https://spectrumcomputing.co.uk/)
.

[View the entire collection on Archive.org](https://archive.org/details/timex-sinclair-software-archive)

[Visit Spectrum Computing](https://spectrumcomputing.co.uk/)

[View this List as a Table](/downloadable-software/ts-2068-table/)

[View catalog PDF](https://archive.org/download/timex-sinclair-software-archive/TimexSinclair%202068%20Software%20Catalog.pdf)

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["BOLD" Character SubroutineProgramA two-author machine code hack from 1985 that rewrites the system font in RAM to produce genuinely bold characters — toggled on or off at runtime with a single POKE.Font](/computer_media/boldsub/)

[128 ColorsProgramA complete 128-color display test cycles every ink, paper, and bright combination using a clever checkerboard UDG that visually blends foreground and background hues.Demo, Graphics](/computer_media/128-colors/)

[15/20 Word Processor ProgramProgramA 15-page word processor with mailing-label printing, tape save/verify, and a self-installing machine code routine — all packed into one BASIC program from 1985.Word Processor](/computer_media/15-20-word-processor-program/)

[2 Voice Beep ExampleProgramA 49-byte relocatable machine code routine produces genuine two-voice beeper sound, with pitch and border colour controllable via direct POKEs from BASIC.Sound](/computer_media/2-voice-beep-example/)

[20 TonsProgramCollect rings across twenty puzzle screens while dodging crushing weights and hungry eaters — complete with a built-in level designer for creating your own challenges.Game](/computer_media/20-tons/)

[2068 ArtProgramTwo bouncing points trace 200 lines across the screen in an ever-changing geometric art display, then clear and restart with a new pattern.Art, Demo, Graphics](/computer_media/2068-art/)

[2068 AssemblerProgramA table-driven Z80 assembler written entirely in BASIC supports the full instruction set, symbol tables, forward references, and optional tape-based source merging.Programming, Utility](/computer_media/assembler/)

[2068 BBS ProgramProgramA fully functional modem-driven bulletin board system with message storage, multi-mode reading, sysop chat, and embedded machine code serial I/O — all in BASIC.BBS](/computer_media/2068-bbs-program/)

[2068 Buggy SoftwareProgramA two-line DATA block loads Z80 machine code that hooks the interrupt system to animate an autonomous worm crawling across the display.Demo](/computer_media/buggy/)

[2068 Disassembler and MonitorProgramA full Z80 disassembler and machine code monitor that decodes every opcode prefix, supports symbol tables loaded from tape, and outputs to screen or printer.Programming](/computer_media/disassembler-2/)

[2068 Display Block MovesProgramA menu-driven screen capture utility that uses a POKEd Z80 LDIR routine to save and restore full or partial display regions to a RAM buffer.Programming](/computer_media/2068-display-block-moves/)

[2068 EXROM RevisionROMUser revision that modifies the EXROM that changes the dispatcher and bank-switching subsystem, plus the dispatch/fix tables.ROM](/computer_media/2068-eprom-revision/)

[2068 fig-ForthProgramImplementation of fig-Forth; includes an editor and TS2068-specific words to support file and exiting to BASIC.Forth (programming language), Programming](/computer_media/2068-fig-forth/)

[2068 Graphics and TrigProgramAn interactive trigonometry explorer draws labeled quadrant diagrams, parametric curves, and Lissajous figures using user-supplied SIN and COS multipliers with custom UDG graphics.Demo, Graphics, Mathematics](/computer_media/2068-graphics-and-trig/)

[2068 Programmer's Toolkit AROSROMA powerful eight-function programmer's toolkit combining a Z80 disassembler, tri-base calculator, UDG editor, tape header reader, and memory loader in one cartridge-based package.Programming, Renumber, Utility](/computer_media/2068-progammers-toolkit-aros/)

[2068 TestProgramA compact display demo cycles through all eight paper colors, prints the full character set in normal and inverse video, then draws grids and triple circles using PLOT, DRAW, and CIRCLE.Demo](/computer_media/2068-test/)

[21ProgramA Blackjack game with PLOT/DRAW card graphics and UDG suit symbols.Card Game, Game](/computer_media/21/)

[2Col LLISTProgramA companion instruction screen for a two-column BASIC listing utility, complete with load, run, and save commands for a 484-byte machine code routine.Printer, Utility](/computer_media/2col-llist/)

[3 Axis Bar ChartProgramA 3D bar chart with solid bars, isometric projection, and a painter's-algorithm draw order renders a cosine-based mathematical surface in vivid color.Graphics](/computer_media/3axis/)

[3-DProgramDraw freehand curves in 3D space with six-direction keyboard control, then replay or randomize your sketches with a perspective projection engine built entirely in BASIC.Art, Graphics](/computer_media/3-d/)

[3-D MazeProgramExplore a randomly generated first-person 3-D maze using typed commands, with perspective-drawn corridors and a live timer tracking your escape attempt.Game](/computer_media/maze/)

[3D AnimationProgramAnimated demo.Animation, Graphics](/computer_media/3d-animation/)

[3D DrawProgramSketch two cross-section curves live with the keyboard, then watch a 3D surface graph render itself across both axes from your input.Graphics](/computer_media/3d-draw/)

[3D DriverProgramSteer a UDG-rendered car down a perspective road while random drift fights your inputs — stay on track as long as you can to maximize your score.Game](/computer_media/driver/)

[3D FractalsProgramA fractal terrain generator builds a randomized 3D landscape through iterative midpoint displacement, then renders it as a projected wireframe with sea-level clipping.Demo, Graphics](/computer_media/3d-fractals/)

[3D ShapeProgramA full homogeneous-matrix 3D wireframe cube renderer, hand-coding rotation, scaling, and translation without any built-in 3D support—pixel by pixel.Demo, Graphics](/computer_media/3d-shape/)

[3D Tic Tac ToeProgramA fully strategic 3D tic-tac-toe game on a 3×3×3 grid, with three AI difficulty levels and all 49 possible winning lines tracked simultaneously.Game](/computer_media/3dtictactoe/)

[3D WordsProgramRender bold 3D block letters on screen in three sizes, drawn pixel-by-pixel from the built-in font using PLOT and DRAW geometry tricks.Demo](/computer_media/3d-words/)

[3X3 CharacterProgramCreate 3×3 graphics for use in your programs.Utility](/computer_media/3x3-character/)

[4 PatternsProgramFour pattern generators in one program — random symmetric plots, XOR line art, spiraling geometric polygons, and a user-driven turtle graphics engine — all menu-selectable.Art, Demo](/computer_media/4-patterns/)

[5 Interesting RoutinesProgramSix utilities in one program — BASIC memory readers, custom input handlers, a machine-code error message printer, and a ROM integrity checker — all selectable from a menu.Programming, Utility](/computer_media/5-interesting-routines/)

[64 ColumnProgramA machine-code-powered 64-column text editor.64 Column, Demo, Programming](/computer_media/64col-p/)

[64 Column BASICProgramMachine code driver that patches the display routines to render BASIC PRINT output at 64 columns, with TS2040 printer support and an interactive demonstration of the mode's capabilities.64 Column, Programming, Utility](/computer_media/64-column-basic/)

[64 Column PrintProgramProgram utility to print up to 64 characters per line in normal video mode. Can be used with your own programs.64 Column, Programming](/computer_media/64-column-print/)

[64 Column UtilityProgramA machine code-powered utility squeezes 64 columns onto your printer, letting you type, display, save, and copy multi-page text documents from a single BASIC shell.64 Column, Programming](/computer_media/64-column-utility/)

[A Fast Well-Behaved Pattern Flood FillProgramA breadth-first patterned flood fill using a three-block circular queue on the hardware stack paints random circles with eight built-in 8×8 tile patterns.Graphics, Programming](/computer_media/a-fast-well-behaved-pattern-flood-fill/)

[ACZ General Ledger 2000ProgramA complete double-entry bookkeeping suite with journal entry, ledger detail, income statement, and balance sheet modules — all driven by machine code sorting and optional numeric keypad input.Finance](/computer_media/acz-general-ledger-2000/)

[Addition 1ProgramA currency-style addition program that accumulates entered numbers into a running total, using a string-formatting subroutine that the author himself flagged as broken.Mathematics](/computer_media/addition-1/)

[AERCO 2068 Printer Driver V2ProgramA complete printer driver manager patches machine code in memory to support seven dot-matrix printers, with per-model escape sequences and a printer demonstration that LLISTs your own program.Printer](/computer_media/aerco-2068-printer-driver-v2/)

[AERCO 2068 Printer Driver V2.1ProgramA complete printer driver configuration tool patches machine code at a fixed RAM address and POKEs printer-specific escape sequences for seven dot-matrix printer models.Printer](/computer_media/aerco-2068-printer-driver-v2-1/)

[AERCO PatchProgramPatch utility modifies MTERM to work with the AERCO printer interface.Printer, Terminal](/computer_media/aercopatch/)

[AidProgramA full ELIZA-style therapy chatbot that matches keywords, swaps pronouns, and personalises every response with your name across a 20-exchange session.Game](/computer_media/aid-2/)

[Air DefenseProgramStop bombs before they reach the city! 5 levels of play, each increasing in difficulty.Game](/computer_media/air-defense/)

[AirplaneProgramPilot a flight from London to one of ten world cities, juggling thrust, flaps, and rudder across multiple turns to nail a perfect landing and maximize your score.Game](/computer_media/airplane/)

[AliensProgramDefend Earth from randomly spawning aliens using a joystick-controlled rocket launcher, with UDG sprites, multi-channel sound, and escalating difficulty levels.Arcade, Game](/computer_media/aliens/)

[AliensProgramPilot a lone spaceship over a jagged alien landscape and blast ground-based enemies in this horizontally scrolling shoot-'em-up from Canadian tape magazine Byte Power.Arcade, Game](/computer_media/aliens-2/)

[Amazi-MusicProgramA music player with POKE-accessible controls for tempo, volume, and voice settings.Music](/computer_media/amazi-music/)

[AmazingProgramCan you find your way through a 9X9X9 maze? The computer will generate a maze then choose at random the exit and your position.Game](/computer_media/amazing/)

[AnatomyProgramPeek inside a BASIC program's raw byte structure — every address, decimal value, and printable character laid out line by line.Programming](/computer_media/anatomy/)

[AndroidsProgramMaze/shoot ’em up for one player. Travel through the maze to find the exit, avoiding androids that try to kill you.Arcade, Game](/computer_media/androids/)

[Androids (cart)CartridgeMaze/shoot ’em up for one player. Travel through the maze to find the exit, avoiding androids that try to kill you.Arcade, Game](/computer_media/androids-cart/)

[AnimationProgramA richly layered countryside scene built by redefining the same nine UDG slots over and over, then mirroring plotted shapes across the screen using POINT-based reflection subroutines.Animation](/computer_media/animation/)

[ArcscratchProgramJoystick-driven pixel graphics editor with line, circle, fill, and Bezier curve tools.Art, Graphics](/computer_media/arcscratch/)

[Art for All AgesProgramA pixel art studio with joystick drawing, machine code PICK/PUT routines, block fill, and a live status line — all packed into one BASIC program.Art](/computer_media/art-for-all-ages/)

[Artic ExplorerProgramGuide your explorer across treacherous arctic terrain using string-rotation scrolling, UDG sprites, and seven distinct levels of icy obstacle patterns.Game](/computer_media/artic-explorer/)

[ArtworxProgramDrawing and gallery program for the 2068. Includes variety of brushes, fonts and drawing tools.Art, Graphics](/computer_media/artworx/)

[AsteroidsProgramDodge a swarm of asteroids, deploy a limited energy screen, and battle for the top spot on this pixelated space survival game's Hall of Fame.Arcade, Game](/computer_media/asteroids/)

[AstroProgramGame](/computer_media/astro/)

[AstronomyProgramEnter a date and location to get computed rise, transit, and set times for the Sun, Moon, and every planet out to Pluto.Astronomy](/computer_media/astronomy/)

[Attr TableProgramA handy on-screen reference table renders all 64 paper and ink color combinations, showing their attribute byte values styled in the actual colors they represent.Utility](/computer_media/attr-table/)

[Audio GraphProgramA machine code-powered audio oscilloscope displays real-time EAR port waveforms in three distinct graph modes, with live line-graph switching at any moment.Sound](/computer_media/music-beep/)

[AudioscanProgramConnect any audio source to the tape input socket and watch this three-mode oscilloscope program render your signal as a live scrolling waveform.Sound](/computer_media/audioscan/)

[Auto AnalysisProgramA branching automotive diagnostic expert system walks you through battery, spark, fuel, compression, vacuum, and valve-train checks using a clever line-number stack to chain multiple test sequences automatically.Home](/computer_media/auto-analysis/)

[Auto AnalyzerProgramA full car maintenance recordkeeper with mileage-based service reminders, multi-vehicle record storage, tape save/load, and an interactive engine diagnosis decision tree.Home](/computer_media/auto-analyzer/)

[Auto AnswerProgramA hardware port-polling routine detects incoming telephone calls and waits for a persistent off-hook signal before triggering your own answer code.Modem](/computer_media/autoanswer/)

[Auto DrawProgramA user-defined 3D box wireframe program fills its own screen border with diagonal zigzags using a clever error-trapping boundary-detection technique.Demo](/computer_media/auto-draw/)

[Awful AnagramProgramRace to unscramble ten tricky words and phrases before a rising thermometer graphic reaches the top and the cauldron boils over.Game](/computer_media/awful-anagram/)

[BackgammonCartridgeFeatures a graphical board with animated dice and doubling cube, four AI difficulty levels, machine code move selection.Game](/computer_media/backgammon-2/)

[BackgroundProgramEnter any word and watch it instantly tile across the entire screen in random colors — a surprisingly effective background generator built from one clever string-doubling trick.Demo](/computer_media/background/)

[Bank ReconciliationProgramA two-mode checkbook reconciliation program prints formatted ledger columns on screen and paper simultaneously, using integer penny arithmetic to sidestep floating-point rounding errors.Finance, Home](/computer_media/bankrec/)

[BannerProgramDiscover how a BASIC banner printer reads ROM font data directly, rotates character bitmaps 90 degrees, and scales letters up to four times their normal size for hardcopy output.Banner](/computer_media/banner/)

[BannerProgramThis banner generator reads ROM font bitmaps directly, decoding each bit to scale any message into giant printer text with adjustable width and height.Banner, Utility](/computer_media/banner-4/)

[BannerProgramA clever banner printer that hijacks the screen renderer and POINT to enlarge any character string onto a 2040 printer in normal or inverse.Banner, Graphics, Utility](/computer_media/banner-5/)

[BannerProgramType any message and watch this banner printer translate each letter into tall, blocky dot-matrix characters — one column of bits at a time.Banner](/computer_media/banner-2/)

[BannerProgramType any message, pick a width and fill character, and watch this BASIC program scale up ROM font data into giant printer banner text—up to four times normal size.Banner, Utility](/computer_media/banner-3/)

[Banner DesignerProgramThis 1985 banner printing utility drives multiple dot-matrix printers with machine code, large-font text, and cassette-loaded graphics icons — all configured from a polished menu system.Banner](/computer_media/banner-designer/)

[Banner3ProgramThis banner printer scans the screen's own character pixels with POINT and redirects them as oversized block-graphic text to a printer — two size modes included.Banner, Printer](/computer_media/banner3/)

[Bar ChartProgramA dot-density bar chart routine reads paired height and density values from DATA lines to render variable-fill bars using only PLOT commands.Business, Graphics](/computer_media/bar-chart/)

[BarsProgramA mesmerizing infinite loop of scrolling colored bars fills the screen using only PAPER attributes and blank PRINT statements — no graphics required.Demo](/computer_media/bars/)

[Basic RenumberProgramA two-part BASIC renumbering tool that walks raw program memory, patches line-number headers with POKE, and reports every GO TO and GO SUB target that needs updating.Programming, Utility](/computer_media/basic-renumber/)

[BATCODEProgramA full Core War programming environment — editor, assembler, and battle engine — lets two Redcode programs fight to the death inside a shared memory arena.Game](/computer_media/batcode/)

[BattleProgramA board game where you and the computer trade diagonal captures on a block-graphic grid — enter coordinates to move, and race to six captures first.Game](/computer_media/battle/)

[BattleshipsProgramA full Battleship game where you face a CPU opponent whose intelligence you control, from total ignoramus to tactical genius targeting squares near its last hit.Game](/computer_media/battleships/)

[BBS ChessProgramA correspondence chess program that renders a full board with custom piece graphics, captures the screen to a memory buffer, and saves it ready for BBS upload.BBS, Game](/computer_media/bbs-chess/)

[BBSesProgramFour complete bulletin board systems in BASIC reveal how hobbyists built working dial-up BBSes with serial machine code routines, message arrays, and sysop editors.BBS](/computer_media/bbses/)

[BearsProgramPlays the Chicago Bears Fight Song, encoded across parallel pitch and duration arrays, with mid-loop DATA jumps and strategic pauses.Music](/computer_media/bears/)

[Bears 1ProgramPlays the Chicago Bears Fight Song with an optional scrolling staff display, using custom UDG note symbols and carefully mapped pitch-to-position calculations.Music](/computer_media/bears-1/)

[BeatlesProgramA two-voice AY chip arrangement of a Beatles classic, with selectable tempo and a live channel status display driven by carefully sequenced DATA statements.Music](/computer_media/beatles/)

[BeepProgramA self-installing machine code beeper routine that carves its own RAM space, pokes 43 bytes of Z80, and plays a tone on every keypress via USR.Sound](/computer_media/beep/)

[BEEP & SOUND TranslatorProgramTranslate BEEP data to SOUND data and also SOUND data to BEEP data.Sound](/computer_media/beep-sound-translator/)

[BeethovenProgramA full choral arrangement of "Ode to Joy" plays syllable by syllable, with melody, named chord accompaniment, and pitch-proportional lyric positioning all driven from a single DATA loop.Music](/computer_media/beethoven/)

[BELLTOWERProgramGuide a rabbit through five haunted rooms, collecting bells and dodging bats in this multi-room platform game with user-defined graphics and attribute-based collision detection.Arcade, Game](/computer_media/belltower/)

[BIG FLAPProgramA cleverly run-length encoded scrolling text display packs compressed message data into DATA statements and decodes it character by character at runtime.Demo](/computer_media/big-flap/)

[BigCharProgramA compact machine code utility that prints the text in a REM statement as large text.Demo](/computer_media/bigchar/)

[BigStuffProgramLoad any screen image and watch this clever machine-code routine slice and enlarge it into an eight-strip, 21-by-25.5-inch poster — automatically printed in one run.Graphics](/computer_media/bigstuff/)

[BinaryProgramWatch each bit light up in color as this educational tool converts any decimal number from 0 to 255 into its 8-bit binary representation, with an animated auto-demo mode.Mathematics](/computer_media/binary/)

[Bingo-2068ProgramA dual-mode BINGO program that calls random numbers with column letters and prints unique, grid-lined BINGO cards — complete with a FREE center square.Game](/computer_media/bingo/)

[Bio-GraphProgramEnter your birthday and a target month to watch three sinusoidal biorhythm curves — Physical, Sensitivity, and Intellectual — plotted live across the screen.Entertainment](/computer_media/bio-graph/)

[Biorhythm Computer (1700-2200)ProgramEnter your birthdate and a date range to generate a printed biorhythm chart that plots physical, emotional, and intellectual cycles day by day.Entertainment](/computer_media/bio/)

[BiorhythmsProgramPlot your physical, mental, and emotional biorhythm cycles as colorful sine waves — just enter your birth date and today's date to see the month ahead.Entertainment](/computer_media/biorhythms-2/)

[BiorhythmsProgramEnter your birthdate and watch three color-coded sine waves reveal your physical, mental, and emotional biorhythm cycles plotted live on screen.Entertainment](/computer_media/biorhythms/)

[BiorythmProgramA three-cycle biorhythm plotter that uses pre-computed DATA tables and a custom UDG marker to draw your physical, emotional, and intellectual curves for any target month.Entertainment](/computer_media/biorythm/)

[Black JackProgramDeal yourself in: this Blackjack game renders suit symbols as custom characters, shuffles a full 52-card deck, and pits you against a house dealer for cold hard virtual cash.Card Game](/computer_media/black-jack/)

[BlackjackProgramA fully featured Blackjack game deals graphical playing cards from a shuffled 52-card deck, with aces, blackjacks, five-card tricks, and variable betting all handled correctly.Card Game, Game](/computer_media/blackjack-2068/)

[BlamProgramA two-part typing tutor and arcade game teaches home-row fingering through animated keyboard diagrams, a timed Firecracker exercise, and a bomb-interception game with per-player score records saved to tape.Tutorial](/computer_media/blam/)

[Blind AlleyProgramA light-cycle-style grid game set a millennium in the future, with directional spacecraft controls, persistent motion trails, and an increasing number of opponents across rounds.Arcade](/computer_media/blind-alley/)

[BLOKMANProgramGuide a two-cell sprite through enemy-packed screens, defuse TNT against a shrinking timer bar, and grab bonus flags in this two-stage action game.Arcade, Game](/computer_media/blokman/)

[BoggleProgramA three-language Boggle clone that generates random letter dice, times two players simultaneously, and scores words by length—with full Spanish and German character support via custom UDGs.Game](/computer_media/boggle/)

[BOLDProgramA tiny machine code patch toggles bold, heavy-weight character output on and off with a single POKE to a system address.Font](/computer_media/bold/)

[BoldProgramA compact 29-byte machine code routine patches the system to deliver bold text output, loaded and launched by a minimal BASIC bootstrap program.Font](/computer_media/bold-2/)

[BookwormProgramA full-featured book catalog database that stores up to 425 titles with 14 fields each, complete with sorting, searching, editing, and printer support.Database](/computer_media/bookworm/)

[BounceProgramEnter a bounce count and watch a pixel ricochet across the full screen, with distinct beeps at each wall — stopping exactly when you say.Demo](/computer_media/bounce/)

[Bouncing TextProgramType any short phrase and watch it bounce across the screen paired with its inverse-video twin in an endless, scrolling light show.Demo](/computer_media/input/)

[BreakoutProgramA Breakout-style demolition game that drops a ball through coloured brick rows, complete with splash damage, a high score, and direct font manipulation for the scoreboard.Arcade](/computer_media/breakout-2/)

[Brick-Yard BillProgramGuide Bill through a brick-filled yard using cursor keys — but if every neighboring cell gets blocked, the game's over and your percentage score is tallied.Arcade](/computer_media/brick-yard-bill/)

[BridgeProgramA fully playable bridge hand trainer that deals, displays with suit symbols, and tracks all 13 tricks — complete with contract entry and audio feedback at key trick counts.Game](/computer_media/bridge-2/)

[Bridge BuilderProgramDrop bridge sections with split-second timing, survive near misses with a rescue helicopter, and fight for a spot on the scrolling high-score table in this action game.Arcade](/computer_media/bridge/)

[Britain Invaded!ProgramFight the hypothetical 1940 German invasion of Britain in this detailed turn-based wargame, featuring machine-code map data, scrolling terrain, and dice-driven combat resolution.Strategy](/computer_media/britain-invaded/)

[BroadwayProgramA compact BASIC loader for the BROADWAY font.Font](/computer_media/broadway/)

[BubblesProgramAn endlessly looping art program draws random circles with boundary checking, randomized border colors, and a pitch-shifted beep tied to each circle's radius.Demo](/computer_media/bubbles/)

[BubloidProgramArcade](/computer_media/bubloid/)

[BudgeterCartridgeA full home budgeting system lets you track monthly budget versus actual spending across up to 50 accounts, complete with bar-chart graphical analysis and tape file save/load.Home](/computer_media/budgeter-2/)

[BudgeterProgramA full home budgeting system tracks monthly budget versus actual figures for up to 50 accounts, complete with bar chart analysis and tape storage.Home](/computer_media/budgeter-3/)

[BusterProgramGame](/computer_media/buster/)

[Buster-Bill's ObsessionProgramA grid-based puzzle-action game where you steer a character across scrolling block rows, defusing time bombs before they detonate — with nine escalating difficulty levels.Game](/computer_media/block-buster-2/)

[Byte Power August 1986CassetteMagazine](/computer_media/byte-power-august-1986/)

[Byte Power December 1986 - January 1987CassetteTape-based magazine.Magazine](/computer_media/byte-power-december-1986-january-1987/)

[Byte Power Fall 1987CassetteTape-based magazine.Magazine](/computer_media/byte-power-fall-1987/)

[Byte Power Fall 1988CassetteTape-based magazine.Magazine](/computer_media/byte-power-fall-1988/)

[Byte Power February 1987CassetteTape-based magazine.Magazine](/computer_media/byte-power-february-1987/)

[Byte Power February 1988CassetteTape-based magazine.Magazine](/computer_media/byte-power-february-1988/)

[Byte Power May 1988CassetteTape-based magazine.Magazine](/computer_media/byte-power-may-1988/)

[Byte Power November 1986CassetteTape-based magazine.Magazine](/computer_media/byte-power-november-1986/)

[Byte Power October 1986CassetteTape-based magazine.Magazine](/computer_media/byte-power-october-1986/)

[Byte Power September 1986CassetteTape-based magazine.Magazine](/computer_media/byte-power-september-1986/)

[Byte Power Spring 1987CassetteTape-based magazine.Magazine](/computer_media/byte-power-spring-1987/)

[Byte Power Winter 1989CassetteTape-based magazine.Magazine](/computer_media/byte-power-winter-1989/)

[CalculatorProgramA menu-driven columnar calculator lets you define named variables, write algebraic formulas, and generate multi-column result tables — all with a custom expression parser.Home](/computer_media/calculator-2/)

[CalendarProgramA two-months-at-a-time calendar generator for any year in the twentieth century, with printer support and a custom UDG border graphic.Calendar, Home](/computer_media/calendar-2/)

[CalendarProgramA calendar generator using Zeller's congruence calculates the correct starting weekday for any month from 1752 onward, with clever PEEK tricks to manage column-based layout.Calendar, Home](/computer_media/calendar-3/)

[Call the PlumberProgramGuide your bucket across the screen to catch 30 falling drips in this real-time arcade game that uses custom-defined UDG sprites for every on-screen character.Arcade](/computer_media/call-the-plumber/)

[Calligraphy FontProgramA complete calligraphic bitmap font renderer that places custom 24×24 and 24×30 pixel letters anywhere on screen using pixel-precise coordinates and machine code.Font, Graphics](/computer_media/calligraphy-font/)

[CaloriburnProgramEnter an activity number and exercise duration to instantly calculate calories burned and the equivalent weight loss in both kilograms and pounds.Home](/computer_media/caloriburn-2/)

[Capital Area Timex Sinclair Users Group Membership FilesProgramA full-featured membership database with Shell sort, payment-expiry tracking, and formatted roster printing — all built in BASIC for a real computer club.Database](/computer_media/capital-area-timex-sinclair-users-group-membership-files/)

[Capitalization MasterProgramA two-part grammar drill covering capitalization rules challenges students to spot errors in sentences, tracks their scores by rule category, and offers a timed test mode.Education](/computer_media/capitalization-master/)

[CardProgramA fully hand-crafted BASIC Christmas card draws a dove, decorative seasonal greetings, and a geometric star using nothing but arcs and lines.Holiday](/computer_media/card/)

[Cash FlowProgramA coin-pusher arcade game uses UDG sprites, a real-time frame-counter clock, and column-stacking mechanics to simulate a 10p coin machine with a four-minute session limit.Game](/computer_media/cash-flow/)

[Casino 1CartridgeHigh roller casino action games let you play 2 1 , "craps", or the slots. An initial betting stake gives you the chance to "break the bank" or "lose your shirt." If you like fast-action, this software program is a good bet.Gambling](/computer_media/casino-1/)

[Cassette DirectoryProgramA tape cataloguing utility that reads file headers directly from memory and logs type, name, size, and load address — all printable and saveable for later review.Tape Directory](/computer_media/cassdir/)

[Cassette LabelProgramEnter two tape titles and this program prints a ready-to-fold cassette case label complete with cut lines, fold guides, and fitting instructions.Tape Directory](/computer_media/cassette-label/)

[Cassette Label MakerProgramA tape label maker that centers text, supports decorative cut-out titles, drives printer escape codes directly, and manages a companion machine code block via tape.Tape](/computer_media/labelmkr/)

[Cat 'n' MouseProgramGuide a cat through a crowded playfield, eating 50 mice while dodging deadly rats that multiply with every catch — how fast can you clear the board?Arcade, Game](/computer_media/paws/)

[CatalogProgramA machine-code powered tape cataloger that reads headers from a running tape, identifies file types and names, and estimates their physical position automatically.Tape Directory](/computer_media/catalog/)

[CATS Library Tape 1CassetteFrom Blackjack to Star Trek, Moon Lander to a first-person dungeon crawler — this tape packs 21 games and puzzles into one of CATS' earliest library volumes. Card sharks, arcade fans, and puzzle solvers alike will find something here.Collection](/computer_media/cats-library-tape-1/)

[CATS Library Tape 10CassetteHear Mozart and Chopin through the AY sound chip, chat with ELIZA, simulate population genetics, or build your own quizzes — Tape 10 ranges from concert hall to classroom, with something for musicians, scientists, and educators alike.Collection](/computer_media/cats-library-tape-10/)

[CATS Library Tape 11CassetteCycle through all 128 colors, spin a 2D profile into a 3D wireframe solid, or watch mesmerizing geometric patterns bloom and refill the screen — Tape 11 is a visual feast that pushes the TS 2068's display to its limits.Collection](/computer_media/cats-library-tape-11/)

[CATS Library Tape 2CassetteSpin a 3D wireframe cube, squeeze 64 columns onto screen, or draw pixel art with a joystick — Tape 2 is a creative toolkit for artists, programmers, and Spanish learners, packed with drawing programs, banner printers, and a full character editor.Collection](/computer_media/cats-library-tape-2/)

[CATS Library Tape 3CassetteBalance your checkbook, decode cryptograms, or trace your BASIC program's execution path — Tape 3 is where serious productivity meets hands-on programming. Highlights include a word processor, a flat-file database, machine code loaders, and a complete darkroom formulary.Collection](/computer_media/cats-library-tape-3/)

[CATS Library Tape 6CassetteBattle through haunted belltowers, explore the arctic, or learn Spanish verb conjugations — Tape 6 blends arcade games with language learning and programming utilities. Includes a multi-program memory manager and a full-screen text editor.Collection](/computer_media/cats-library-tape-6/)

[CATS Library Tape 8CassetteThe power-user's tape. Assemble and disassemble Z80 code, manage databases with Quicksort, trace BASIC program flow, or decode resistor color codes — Tape 8 is an essential toolkit for the serious TS 2068 programmer.Collection](/computer_media/cats-library-tape-8/)

[CATS Library Tape 9CassetteWatch Gaussian bell curves rendered in perspective, animated saddle surfaces cycling through memory pages, and a rotating 3D pyramid with hidden-line removal — Tape 9 is a showcase of what the TS 2068 can do with math and machine code.Collection](/computer_media/cats-library-tape-9/)

[CATUG Tape 0.0 0001CassetteA compact sampler from the Chicago Area group — render a 3D isometric bar chart, hear Bach's Minuet in G in multi-voice polyphony, and explore a catalog of screen animation techniques all on one tape.Collection](/computer_media/catug-tape-0-0-0001/)

[CATUG Tape 0.0 0008CassetteA gallery of 48 screen images preserved from compressed RLE originals — a visual archive of TS 2068 artwork from the Chicago Area user group, now available as downloadable PNG files.Collection](/computer_media/catug-tape-0-0-0008/)

[CertificateProgramDesign a custom bordered certificate on screen, picking from fourteen user-defined graphic symbols to frame your own centered text lines.Home](/computer_media/certificat/)

[Char DesignProgramDraw an 8×8 character pixel-by-pixel, then watch the program calculate the exact decimal byte values and redefine a custom graphic automatically.User Defined Graphics](/computer_media/char-design/)

[CharacterProgramBrowse every character in the built-in font one by one, with each glyph's 8×8 pixel bitmap rendered live on screen using custom block graphics.Utility](/computer_media/character/)

[Character EditorProgramDesign custom UDG characters pixel by pixel on a live grid, with instant byte-value readout and automatic RAM updates as you draw.User Defined Graphics](/computer_media/character-editor/)

[Character Set DefinerProgramUser Defined Graphics](/computer_media/character-set-definer/)

[CharactersProgramStep through every character in the set, watching its 8×8 pixel grid and raw ROM byte values revealed row by row with a keypress.User Defined Graphics](/computer_media/characters-3/)

[CharactersProgramType any word up to 10 characters and watch it redrawn pixel-by-pixel as a magnified outline — a clever trick using POINT and DRAW.Font](/computer_media/characters/)

[Charecter4ProgramA four-font character set switcher that POKEs custom lettering styles into the system font pointer, ready to bolt onto any BASIC program.Font](/computer_media/charecter4/)

[CheckbookProgramA practical checkbook reconciliation tool that tallies outstanding checks and deposits, then prints a full statement of account on paper alongside the screen output.Finance, Home](/computer_media/checkbook/)

[Checkbook AccountsProgramA tape-based checkbook manager.Finance, Home](/computer_media/checkbook-accounts/)

[Checkbook BalancerProgramFinance, Home](/computer_media/checkbook-balancer/)

[Checkbook BalancerProgramA step-by-step checkbook balancer that reconciles outstanding checks and unposted deposits against your bank statement, displaying a neatly formatted summary screen.Finance, Home](/computer_media/checkbal/)

[Checkbook ManagerProgramA full-featured personal checking account manager packs binary-encoded balances, multi-field search, category tracking, and tape save/load into a single BASIC program.Finance, Home](/computer_media/checkbook-manager/)

[CheckersProgramWell, you probably know this game, so enjoy it! The computer is not very ‘bright’ but should keep you entertained for a while!Game](/computer_media/checkers-2/)

[Cherry Hills GolfProgramPlay all 18 holes of a legendary U.S. Open course, choosing clubs, managing your handicap, and battling hooks, slices, and tricky putts to finish under par.Game](/computer_media/cherry-hills-golf/)

[ChessProgramClassic Chess match between you and the computer.Chess](/computer_media/chess/)

[ChessProgramClassic Chess match between you and the computer.Chess](/computer_media/chess-3/)

[ChomperProgramA Pac-Man maze game squeezes dot-eating, two chasing ghosts, power pellets, skill levels, and high-score tracking into pure BASIC.Arcade](/computer_media/chomper/)

[ChopinProgramA BASIC arrangement of Chopin's Prelude drives the AY-3-8912 chip directly, blending three-channel register writes with BEEP calls and a user-adjustable tempo control.Music](/computer_media/chopin/)

[ChordizerProgramA chord library that wraps plain BEEP melodies in full three-voice triads using raw sound-chip register values — transcribe sheet music with harmony in minutes.Music](/computer_media/chordize/)

[CHRProgramA four-section character design toolkit lets you inspect, draw, convert, and save custom graphics — complete with binary, decimal, and hex readouts and Microdrive support.User Defined Graphics](/computer_media/chr/)

[Christmas SpecialProgramA dazzling animated scene combines a custom pixel-art backdrop, PLOT/DRAW geometry, scrolling text banners, and a BEEP fanfare into one self-contained display program.Entertainment, Holiday](/computer_media/christmas-special/)

[CIDSProgramA full-featured flat-file card index database with a command dispatcher, two-mode full-screen editor, Shell sort, numeric zone summation, and tape persistence — one of the most architecturally complex BASIC productivity applications for the Sinclair platform.Database](/computer_media/cids/)

[Circuit Board ScrambleProgramNavigate a circuit board maze to repair computer components in this two-phase action game that blends BASIC gameplay logic with heavy machine code assistance.Game](/computer_media/circuit-board-scramble/)

[Circuit SketchProgramDraw complete electronic circuit diagrams interactively, placing resistors, capacitors, transistors, diodes, and more using simple single-key commands.Electronics](/computer_media/circuit/)

[Circus Coloring BookProgramThe Zebra Circus Coloring Book is a graphics program for your Zebra Graphics Pad which allows you to color black and white pictures on your TS2068 screen just like a regular coloring book.Art, Graphics](/computer_media/circus-coloring-book/)

[City 2068ProgramA 60-room text adventure set in post-apocalyptic Manhattan, with subway transit, key-based door unlocking, and a hot air balloon escape on the rooftop.Game](/computer_media/city-2068/)

[Classic Moments Of MusicProgramMusic](/computer_media/classic-moments-of-music/)

[Classy Front End DemoProgramA machine code custom font engine with proportional spacing and kerning powers a slick GUI-style scrollable menu demo — all driven from BASIC.Demo, Programming](/computer_media/classy-front-end-demo/)

[Classy Front End Pt 1ProgramEnter any phrase and watch it rendered as large, individually hand-crafted pixel-art characters across the graphics screen, with automatic line-wrapping built in.Demo, Programming](/computer_media/classy-front-end-pt-1/)

[Clip ArtProgramA ten-image clip-art menu lets you PLOT, DRAW, and CIRCLE flowers, bees, valentines, and more — even layering multiple images on one screen.Clip Art](/computer_media/clip-art/)

[Clip Art Designer SeriesProgram91 clip art images for use with Pixel Print.Clip Art](/computer_media/clip-art-designer-series/)

[Clip Art Icon Lib V1ProgramClip art for use with Pixel Print.Clip Art](/computer_media/clip-art-icon-lib-v1/)

[ClockProgramA background interrupt clock in 536 bytes of machine code, with BASIC documentation and a smart loader that detects whether the code is already resident in RAM.Clock](/computer_media/clock-4/)

[ClockProgramA self-advancing digital clock that chimes every quarter-hour with distinct melodies and renders digits by bit-reading the ROM font with PEEK.Clock](/computer_media/clock-2/)

[ClockProgramA fully animated analog clock face with trigonometrically placed hour markers, sweeping hands, and an audible tick rendered entirely in BASIC.Clock](/computer_media/clock/)

[CloneProgramA machine code–backed tape utility offering block copying, header reading, and speed calibration — with automatic hardware detection to switch entry points on the fly.Tape](/computer_media/clone/)

[CloverProgramA mesmerizing geometric "Clover" pattern grows petal by petal with randomized colors and three distinct drawing modes, then floods the screen with fill lines before restarting.Demo](/computer_media/clover/)

[Code MoverProgramA BASIC tool that relocates Z80 machine code to a new address and automatically patches every internal absolute address so nothing breaks.Programming, Utility](/computer_media/code-mover/)

[CodeloaderProgramA full machine code entry suite that lets you load, edit, and execute Z80 routines byte-by-byte in hex or decimal, with live memory peek and relocation tools.Programming, Utility](/computer_media/codeloader/)

[Color BarsProgramA looping screen-fill demo cycles through six ink colors in horizontal and vertical passes, then transitions through progressively sparser block-graphic patterns with keypress pauses between each stage.Demo](/computer_media/color-bars/)

[Color PlotProgramA pixel-precise joystick drawing tool with circle stamping, color cycling, sound feedback, and direct tape save — all packed into a tight real-time loop.Graphics](/computer_media/color-plot/)

[Color-PadProgramGraphics, Utility](/computer_media/color-pad/)

[ColorCopyProgramA tape-loaded machine code driver lets you configure color, size, and position settings before sending screens to an Okidata dot-matrix printer.Printer](/computer_media/colorcopy/)

[ColorsortProgramWatch 768 randomly colored screen cells sort themselves into order before your eyes, driven by a visually animated bubble sort straight in attribute memory.Demo](/computer_media/colorsort/)

[Companion 1ProgramClipart images fro use with Byte Power's Print Factory.Clip Art](/computer_media/companion-1/)

[Companion 2ProgramClip art for use with Byte Power's Print Factory.Clip Art](/computer_media/companion-2/)

[Companion 3ProgramClip art for use with Byte Power's Print Factory.Clip Art](/computer_media/companion-3/)

[Compass CompilerProgramA two-in-one development toolkit packs a full two-pass Z80 assembler and an integer BASIC compiler into one BASIC listing, complete with label resolution and direct machine code output.Compiler](/computer_media/compass-compiler/)

[Complex 7ProgramA 3D surface plot combining cosine waves and Gaussian exponential bumps uses hidden-line removal arrays to render a dramatic mathematical landscape — but be prepared to wait.Graphics](/computer_media/complex-7/)

[Composition EditorProgramA three-voice composition editor lets you enter, edit, and play back music note-by-note, storing pitch data as raw sound-chip register values in string arrays.Music](/computer_media/janice/)

[ConcentrationProgramA one-player Concentration card game with all 52 cards laid out in a numbered grid, UDG suit symbols in red and black, and a turn counter tracking efficiency to the final pair.Game](/computer_media/concentration-2/)

[ConcentrationProgramA two-player memory card game hides nine letter pairs across a 6×6 grid, challenging players to find all matches before their opponent does.Game](/computer_media/concentration/)

[ConflictProgramGuide BOUNCER through the evil land of GALNA. Find MAGIC PILLS to increase your fire power.Arcade](/computer_media/conflict/)

[ConfusionProgramThis clever BASIC utility lets you replace the displayed text of numeric literals in any program while leaving their true floating-point values completely intact.Demo, Utility](/computer_media/confusion/)

[ConstellationsProgramA randomised astronomy quiz draws 28 constellations using custom UDG star glyphs, then challenges you to name each one and its brightest star.Astronomy, Education](/computer_media/skyplot/)

[ConstruxProgramGame](/computer_media/construx/)

[ConversionProgramA menu-driven unit converter handles eleven measurement types and hides a developer toolkit — renumber, rem-kill, and more — in unreachable lines at the end.Mathematics](/computer_media/conversion/)

[CopycatProgramA tape copier and Z80 assembler in one package — copy tapes with or without headers, and assemble Z80 machine code with full instruction set support, symbol table, and forward reference resolution.Machine Language, Tape, Utility](/computer_media/copycat/)

[Corrected Spectrum ROMROMFixes a documented bug in the original Spectrum ROM, making the NMI reset mechanism actually work.Emulation, ROM](/computer_media/2068-spectrum/)

[Crack SafeProgramGuess three secret numbers to crack a combination safe, guided by musical pitch hints, before your security units run out.Game](/computer_media/crack-safe/)

[CrasherProgramA fast-paced car race game uses custom UDG characters, SCREEN$ collision detection, and a looping sound-and-light title screen to challenge your reflexes.Game](/computer_media/crasher/)

[Crazy BugsCartridgeYou are in a maze in which you must get the eggs laid by the bugs, put them in a box, and exit the maze.Arcade](/computer_media/crazy-bugs/)

[Crazy BugsProgramYou are in a maze in which you must get the eggs laid by the bugs, put them in a box, and exit the maze.Arcade](/computer_media/crazy-bugs-2/)

[Creative Graphics & MusicProgramA three-program suite lets you draw pixel art with joystick control and compose music through animated glasses, a note grid, and a full multi-octave composer.Art, Music](/computer_media/creative-graphics-music/)

[CribbageProgramA fully playable Cribbage game with a computer AI opponent, complete with pegging, hand counting, a crib board display, and an optional muggins rule.Card Game](/computer_media/cribbage/)

[CricketProgramA two-team cricket simulation with custom sprite graphics, adjustable difficulty, and diagonal ball-trajectory physics lets you bat for runs or risk getting caught or bowled.Game](/computer_media/cricket/)

[CrossfireProgramHigh-scoring, fast-paced chase game demands that you whiz through the maze without getting caught.Game](/computer_media/crossfire/)

[CRYPTOProgramA screen-based substitution cipher pad that lets you decode cryptograms letter-by-letter using the display buffer itself as its working data structure.Demo](/computer_media/crypto/)

[CURSORProgramDiscover how a single POKE into one system variable transforms the appearance of the input cursor through seven distinct visual styles.Demo](/computer_media/cursor/)

[Cursor AdventureProgramNavigate inside a computer, collect colored wires, and defeat the evil Cursor before your time runs out in this inventory-based text adventure.Game, Text Adventure](/computer_media/cursor-adventure/)

[CurveProgramAn interactive Bézier curve designer lets you place up to 20 control points and watch the mathematically computed smooth curve plotted on screen.Demo, Graphics](/computer_media/curve/)

[Curve 2ProgramEnter a set of control points and watch this program compute and plot a smooth Bézier curve, with an optional wireframe overlay showing the control polygon.Demo, Graphics](/computer_media/curve-2/)

[CyberzoneProgramWith your lasers you must chip away the spinning Cyber spacecraft and wipe out the notorious Cyberzone leader by hitting his only vulnerable spot: the left foot.Arcade](/computer_media/cyber-zone/)

[Dam AttackProgramA math quiz game where scrolling arithmetic problems must be answered before they breach the dam — or the valley floods.Education](/computer_media/dam-attack/)

[Data MakerProgramTransform codes into DATA statements in a BASIC program.Programming](/computer_media/data-maker/)

[DatabaseProgramA full seven-field contact database for a church department, driven by machine-code modules that patch RESTORE addresses on the fly to navigate records stored in DATA statements.Database](/computer_media/database/)

[DatafileProgramA fully configurable flat-file database manager lets you define fields, then add, edit, delete, search, sort, and print records — all built in interpreted BASIC.Database](/computer_media/datafile/)

[Dating GameProgramA two-player compatibility quiz covering dinner, movies, music, and more daring topics — can ten questions reveal whether you and your date are truly a match?Game](/computer_media/dating-game/)

[DaysheetProgramA bookkeeping day-sheet tool for tracking charges, payments, and adjustments lets you skip awkward shifted punctuation keys while automatically cross-checking your totals.Business](/computer_media/daysheet/)

[DeaconsProgramA full-featured contact directory manager for up to 90 entries supports name, address, phone, state, ZIP, and church committee code searches from a single numeric menu.Database](/computer_media/deacons/)

[Dead DucksProgramAim your cannon at moons and ducks across five rounds — this two-player artillery game uses custom UDG sprites and parabolic trajectory math to decide your fate.Game](/computer_media/dead-ducks/)

[Death CastleProgramA sprawling two-part text adventure with item tracking, a spike-door timing minigame, and a hand-rolled two-word command parser that challenges you to defeat an evil ruler.Text Adventure](/computer_media/death-castle/)

[Death RaceProgramA timed car-chase game with custom UDG sprites, SCREEN$-based collision detection, and a randomly wandering enemy that you must hunt down before the clock runs out.Game](/computer_media/death-race/)

[December 25ProgramA self-contained animated Christmas card that combines UDG graphics, scrolling banners, AY chip music, and three-voice melody encoding into a single looping BASIC program.Holiday](/computer_media/december-25/)

[Decision MakerProgramBusiness](/computer_media/decision-maker/)

[Decoration of IndependenceProgramCelebrate Independence Day with animated fireworks for each of the original 13 colonies, followed by a block-graphics rendering of the historic 13-colony flag.Demo, Holiday](/computer_media/decoration-of-independence/)

[DEF 2068ProgramA menu-driven inventory manager with custom field input, automatic price calculation, low-stock warnings, and file save/load — all packed into one BASIC listing.Business, Database](/computer_media/def-2068/)

[DefenseProgramA fast-paced single-alien shooter uses custom UDG graphics, hardware port reads for controls, and a PLOT/DRAW laser beam — how many aliens can you down?Arcade, Game](/computer_media/defense/)

[DemolitionProgramA spacebar-launched ball demolishes a scrolling wall in this arcade game featuring machine code collision detection, UDG graphics, and a five-level high-score table.Arcade, Game](/computer_media/demolition/)

[DemolitionProgramA configurable-speed Breakout clone uses SCREEN$ collision detection and custom UDG sprites to smash colored brick rows with a bouncing ball.Arcade, Game](/computer_media/breakout/)

[Depreciation ScheduleProgramA menu-driven depreciation calculator offering Straight-Line, Sum-of-Years, and Double-Declining Balance methods, plus a side-by-side comparison of all three.Finance](/computer_media/depreciation-schedule/)

[DerbyProgramGame](/computer_media/derby/)

[DesignerProgramA viewport-clipped vector drawing tool that stores line segments as packed binary strings and supports real-time scale and rotation transformations from a menu-driven interface.Graphics](/computer_media/designer/)

[DevPacProgramPowerful and easy-to-use Z80 assembler which is very close to the standard Zilog assembler in definition.](/computer_media/devpac/)

[Diamond MaxProgramYou are in a diamond mine and the object is to collect enough diamonds before time runs out, while avoiding falling rocks. Detailed instructions in program.Game](/computer_media/diamond-max/)

[Diamond Mike IIProgramGuide diamond-hungry Mike through treacherous caves, collecting gems while dodging falling rocks, creeping amoebas, and deadly butterflies before time runs out.Arcade, Game](/computer_media/diamond-mike-ii/)

[DigiClock 2ProgramA pure-BASIC precision clock uses nested timing loops, BEEP-based calibration, and indirect GO SUB calls via stored line numbers to display large block-graphic digits.Ham Radio](/computer_media/digit-clock-2/)

[DisassemblerProgramA fully menu-driven Z80 disassembler in pure BASIC that decodes all prefix groups, handles IX/IY indexing, and dumps memory as mnemonics, ASCII, or hex/decimal.Machine Language, Programming](/computer_media/disassembler/)

[DisassymblProgramA BASIC-coded Z80 disassembler decodes opcodes from any memory address, handles CB and ED prefixes, and sends formatted mnemonics to both screen and printer.Machine Language](/computer_media/disassymbl/)

[DISMProgramA two-part Z80 disassembler decodes memory addresses into mnemonics using a tape-loaded 1792-entry instruction table, covering all major opcode prefix groups.Machine Language, Programming](/computer_media/dism/)

[DogProgramA charming sprite animation of a walking dog and fire hydrant, built from 21 custom-designed characters loaded at runtime, complete with sound effects.Animation](/computer_media/dog/)

[DoodleProgramA colourful, noisy joystick doodle pad for small children, complete with a bouncing cross cursor, random ink colours, and directional beeps for every move.Art, Graphics](/computer_media/doodle/)

[DoodleJoyProgramA joystick-driven pixel drawing program uses clever Boolean arithmetic to decode eight-directional movement and wrap coordinates within the screen boundaries.Art, Graphics](/computer_media/doodlejoy/)

[DoorwayProgramA perspective doorway scene built entirely from PLOT and DRAW geometry — then brought to life with a hypnotic random-colour flash animation.Art, Demo](/computer_media/doorway/)

[DormiriansProgramNavigate alien rooms against a ticking countdown, collect scattered letters, and crack a secret five-letter code before your shuttle departs forever.Game, Text Adventure](/computer_media/dormirians/)

[Double Thick CharactersProgramA short machine-code routine transforms the built-in character ROM into a bold double-thickness font, then saves the 768-byte result to tape for use in your own programs.Font](/computer_media/dblthickchar/)

[DragmasterProgramRace against the clock in this drag racing simulator — nail your launch, shift through four gears, and watch the tachometer to avoid blowing your engine.Game](/computer_media/dragmaster/)

[Dragon's CompanionProgramCast virtual I Ching coins, decode hexagrams with their ruling lines, and explore trigram attributes — all driven by machine code utilities running in an 85-column display mode.Entertainment](/computer_media/dragons-companion/)

[DrawProgramA joystick-driven pixel art tool lets you plot, draw lines, circles, and arcs with on-screen menus, a cursor readout, and optional sound feedback.Art](/computer_media/draw/)

[DropProgramA ripple-surface 3D plotter uses perspective projection and trigonometric rotation to render z=cos(0.1·(x²+y²)) as a connected wireframe mesh.Graphics](/computer_media/drop/)

[DroppagesProgramA 3-D surface plotter stores multiple rotated views using hand-coded Z80 machine routines, then plays them back as a smooth animation loop.Graphics](/computer_media/droppages/)

[Dual Scr 2ProgramA clever machine code trick switches the display to 64 columns, then splits a demo string across two screen buffers to show off the wider text mode.64 Column, Demo](/computer_media/dual-scr-2/)

[Duet Example 2ProgramA two-voice Schumann piece uses SOUND with machine-code note data, using a clever volume-dip trick to articulate notes without silencing the channels.Sound](/computer_media/duet-example-2/)

[Dumb Computer PokerProgramA full five-card draw poker game complete with card graphics, AI betting logic, and a multi-voice chip-tune rendition of "The Gambler" playing between hands.Card Game, Gambling, Game](/computer_media/dumb-computer-poker/)

[Duo-Voice (Beep)ProgramA clever two-voice BEEP music engine that rapidly alternates between voices stored as raw byte data in RAM, simulating polyphony with sentinel values for rests and end-of-tune.Sound](/computer_media/duo-voice-beep/)

[EarthProgramDodge and shoot a drifting alien invader using custom sprite characters, a laser beam drawn with PLOT/DRAW, and lives tracked on screen.Game](/computer_media/earth/)

[EarthquakeProgramA Z80 machine code earthquake effect shakes the entire screen, loaded from BASIC DATA statements into a relocatable 80-byte routine you can drop anywhere in memory.Demo](/computer_media/earthquake/)

[EASYprint Word ProcessorProgramA tape-based text editor.Word Processor](/computer_media/easyprint-word-processor/)

[EASYspriteProgramPrint any sprite created with the help of EASYsprite MAKER. Up to 255 sprites of different size and shape are allowed.Programming](/computer_media/easysprite/)

[EASYsprite DEMOProgramA 1987 sprite engine demo with animated train, aquarium, and boxing scenes, showcasing a machine code utility driven entirely through a custom PRINT channel.Demo, Programming](/computer_media/easysprite-demo/)

[EASYsprite MakerProgramA sprite editor driven almost entirely by machine code, with a BASIC shell that handles file naming, dynamic address detection, and CODE save/load for sprite data.Graphics](/computer_media/easysprite-maker/)

[EASYtypeProgramModest, fast loading word processor, not as complex as other, but it does have a lot of features worth using.Word Processor](/computer_media/easytype/)

[EASYwordProgramThis game will allow you to make “funny faces”, in fact, over 3700 different faces can be created with this program.Word Processor](/computer_media/easyword/)

[Egg SaviorProgramGuide your character through laser-cannon fire to rescue eggs one by one, depositing each safely before lives run out in this joystick-driven arcade game.Game](/computer_media/egg-savior/)

[Electronics ProgramsProgramThree distinct electronics programs in one listing: a 555 timer calculator with drawn schematics, an interactive circuit-design tool with circuit tracing, and an RF coil designer.Electronics](/computer_media/electronics-programs/)

[ElizaProgramA classic ELIZA psychiatrist chatbot that drives its keyword-matching engine with a separately loaded machine code routine, blending BASIC responses with fast Z80 string searching.Entertainment, Game](/computer_media/eliza-2/)

[ElizaProgramA BASIC ELIZA psychiatrist simulation that uses an embedded machine code keyword scanner to deliver surprisingly snappy responses to whatever you type.Game](/computer_media/eliza/)

[Endless LoveProgramA three-channel chip music rendition of "Endless Love" plays syllable by syllable, each word paired with chord voicings and precise beat durations stored in DATA statements.Music](/computer_media/endless-love/)

[EntryProgramA trippy colour-cycling demo sweeps block graphics across the screen and scatters random text to mimic the strange sights of a heavy loading session.Demo](/computer_media/entry/)

[Envelope ExampleProgramA BASIC music demo that manually fades AY chip volume registers to fake an envelope, playing 18 notes with data-driven tone periods and decay rates.Sound](/computer_media/envelope-example/)

[EquationsProgramA simultaneous-equations quiz that generates guaranteed integer solutions and reveals them with flashing highlights — can you beat it before pressing any key?Education](/computer_media/equations/)

[EspanolaProgramA four-song Latin music medley — Granada, Perfidia, Brazil, and Solamente Una Vez — plays melody and live chord accompaniment simultaneously from a menu-driven BASIC program.Music](/computer_media/espanola/)

[EvergreenProgramA BASIC rendition of "Evergreen" that synchronizes scrolling lyrics with melody and live three-voice chord accompaniment using AY sound chip register programming.Music](/computer_media/evergreen/)

[Executive ClueProgramA text-based murder mystery game randomly picks the killer, weapon, and room, then challenges you to deduce all three before the killer gets you first.Game](/computer_media/executive-clue/)

[ExFont 1.1ProgramA pixel-level font editor lets you redesign any character in the main or user-defined set, then save your custom font as a loadable CODE block.User Defined Graphics](/computer_media/exfont-1-1/)

[EXPProgramA fascinating 3D surface plotter that renders Gaussian bell curves with perspective projection and saves multiple rendered frames using hand-POKEd Z80 machine code.Demo](/computer_media/exp/)

[Experiment with OVERProgramType any two characters and watch their pixel patterns merge on screen — a hands-on demonstration of how the OVER attribute combines character bitmaps.Demo, Graphics](/computer_media/experiment-with-over/)

[Explosion Sound ExampleProgramA compact looping tone built from a single SOUND statement hammering seven AY-3-8910 registers at once — hear what envelope shape 8 actually sounds like.Sound](/computer_media/explosion-sound-example/)

[EXTENDED BASICProgramAn interactive tutorial for a nine-command BASIC extension that hooks the error handler to add pixel-level sprite graphics, sound effects, and BREAK-key control via machine code.Programming](/computer_media/extended-basic/)

[Extended SCREEN$ProgramA machine code utility that extends the built-in SCREEN$ function to recognize UDGs and software-generated graphics by scanning screen memory via USR.Programming](/computer_media/extended-screen/)

[FactoriseProgramA clever wheel-factorisation algorithm tackles numbers up to 4 billion, working around floating-point limitations with a custom large-number printer.Mathematics](/computer_media/factorise/)

[FadeOutProgramA self-relocating machine code routine POKEs itself into RAM, fills the screen with text, then fades the entire display to black in a smooth animated effect.Demo](/computer_media/fadeout/)

[False Echo ExampleProgramA short melody player that drives the AY sound chip directly through DATA-encoded triplets, with silence events and smooth volume shaping built in.Sound](/computer_media/false-echo-example/)

[Fancy Clear ScreenProgram6 clear screen routines that will give your programs that special something they’re missing.Programming](/computer_media/fancy-clear-screen/)

[Feast Of ClassicsProgramPlay one of seven tunes.Music](/computer_media/feast-of-classics/)

[figForth v1.0ProgramA complete fig-FORTH built specifically for the TS2068 — bank switching, Timex printer, extended memory and all — and released into the public domain.Forth (programming language), Programming](/computer_media/figforth/)

[Fighter PilotProgramA combat flight simulation with a full F-15 cockpit, working gauges, air turbulence modeling, and a 15,000-square-mile operational map.Arcade](/computer_media/fighter-pilot/)

[FILE 1ProgramA complete menu-driven database system lets you design custom record layouts, sort, search, edit, and archive data to tape using embedded machine code routines.Business, Database](/computer_media/file-1/)

[file0ProgramA disk catalog browser with machine code internals lets you scroll through stored files and load any entry with a single keypress — dispatch included.Disk Drive Systems](/computer_media/file0/)

[FILLProgramA pixel flood-fill routine lets you navigate a pointer into any enclosed graphic region and fill it solid with a single keypress.Demo, Graphics](/computer_media/fill/)

[Financial Record KeeperProgramA full-featured personal finance manager tracks income, payments, tax deductions, and check registers across 20 categories and 12 months with a reconciliation tool.Finance](/computer_media/financial-record-keeper/)

[Flexi-BoardProgramA full-featured modem BBS program with machine code serial I/O, message base management, sysop chat, and a clever initialization trick that erases its own setup lines after booting.BBS](/computer_media/casboard-2068/)

[Flexicalc 48ProgramA full-featured spreadsheet application with formula editing, multi-file tape storage, lock mode, and custom display characters—built entirely in BASIC.Spreadsheet](/computer_media/flexicalc-48/)

[FlexiconProgramA business spreadsheet consolidation tool that loads, validates, and arithmetically merges two matrix datasets using tape storage and embedded machine code routines.Spreadsheet](/computer_media/flexicon/)

[FlexigenProgramA tape-based report generator lets you slice and reassemble data blocks into custom columnar printouts with configurable widths up to 132 characters.Spreadsheet](/computer_media/flexigen/)

[Flight PlannerProgramA complete flight-planning calculator that plots your route over a hand-drawn map of the USA, computing wind correction, ground speed, and fuel burn for each leg.Hobby](/computer_media/flight-planner/)

[Flight SimulatorProgramA flight simulator with 13 controls, a full instrument panel, a two-airport map, and an in-flight computer for navigation and landing guidance.Arcade, Simulation](/computer_media/flight-simulator/)

[Flight SimulatorCartridgeA flight simulator with 13 controls, a full instrument panel, a two-airport map, and an in-flight computer for navigation and landing guidance.Arcade, Simulation](/computer_media/flightsimulator/)

[FLIPProgramA 118-byte machine code routine installs itself in high RAM, letting you flip the entire display upside-down or mirror it horizontally with a single RANDOMIZE USR call.Demo](/computer_media/flip/)

[FlowProgramAn alternate font for the TS 2068.Font](/computer_media/flow/)

[Font IIIProgramA compact 80-byte machine code routine installs into high RAM and switches your system font between Bold, Modern, Italics, and Regular styles on demand.Font](/computer_media/fontiii/)

[Font Library 1ProgramFonts for use with Pixel Print Plus.Desktop Publishing, Font](/computer_media/font-library-1/)

[Font Library 2ProgramFonts for use with Pixel Print Plus.Desktop Publishing, Font](/computer_media/font-library-2/)

[FormularyProgramA complete darkroom reference program stores seven black-and-white film developer formulas with chemical weights and development times, all navigated from a single menu.Photography](/computer_media/formulary/)

[Fort Worth Temp for DecemberProgramA hand-crafted Fort Worth December temperature chart plots record highs, record lows, historical averages, and a chosen year's daily readings — all with PLOT and DRAW.Weather](/computer_media/fort-worth-temp-for-december/)

[Fort Worth TS2068 Club Library TapeCassetteOne of the largest single-tape collections anywhere, with over 40 programs spanning flight planning, satellite tracking, hydrology, Forth programming, a 17-game mega-pack, and a complete calligraphic font renderer. A snapshot of a thriving Texas user group at its peak.Collection](/computer_media/fort-worth-ts2068-club-library-tape/)

[FortressProgramYou are attacked by Indians and must defend the Fortress. There are 400 Indians on each of the 4 sides of the Fortress and 120 of your men to battle against them.Game](/computer_media/fortress/)

[Four ProgramsProgramFour programs in one file: a disk and printer utility suite, an animal-identifying expert system, a geography quiz with sound effects for wrong answers, and a Christmas card.64 Column, Education, Entertainment, Game](/computer_media/four-programs/)

[French VocabularyProgramA colour-rich French vocabulary quiz that randomly selects questions without repeats, rewards correct answers with escalating beeps, and tracks your score across up to 20 words.Education, French](/computer_media/french-vocabulary/)

[FroggerProgramPlays like the arcade game, but without sound. You must avoid traffic, snakes, crocodiles, and treacherous diving turtles by "hopping" the frog. The frog must reach home before the time runs out.Game](/computer_media/frogger/)

[FUDGEProgramFUDGE is a complete joystick-driven UDG editor with pull-down menus, pixel grid editing, flip, rotate, shift, animate, and tape save/load for all 21 user-defined graphics.User Defined Graphics](/computer_media/fudge/)

[Fun GolfProgramA procedurally generated golf game for one or two players uses trigonometry, attribute-based terrain detection, and five custom graphics to simulate a full 9- or 18-hole course.Game](/computer_media/fun-golf/)

[Funny FacesProgramThis game will allow you to make “funny faces”, in fact, over 3700 different faces can be created with this program.Game](/computer_media/funny-faces/)

[Game CollectionProgramA seventeen-game collection packed into one BASIC program, with a single-keypress menu that dispatches players to puzzles, strategy games, and word challenges.Education, Game](/computer_media/game-collection/)

[Game of Sticks (NIM)ProgramA two-level Nim strategy game where the Expert difficulty uses the mathematically optimal formula to make the computer nearly unbeatable — can you outsmart it?Game](/computer_media/game-of-sticks-nim/)

[GamesProgramSix games in one BASIC collection — a decision oracle, slot machine, space shooter with joystick support, lottery picker, and more — all driven by a smooth cursor menu.Game](/computer_media/games-2/)

[Gem PatternProgramGenerates progressively more complex rings of randomized diamond and square shapes in XOR draw mode, erasing each image with a four-directional animated wipe before restarting with added complexity.Graphics](/computer_media/gem-pattern/)

[GeneticsProgramA configurable mouse population genetics simulator that tracks allele frequencies across 50 generations, complete with a UDG mouse icon and live selection-pressure modelling.Education](/computer_media/genetics/)

[Geography QuizProgramA hand-drawn color map of North America sets the scene for a state-capitals quiz that reads your answer and tells you where you went wrong.Education](/computer_media/geography/)

[Geometric PatternsProgramA geometric interference pattern builder that saves its own screen to tape with a user-chosen pause value baked right into the filename.Demo](/computer_media/hex/)

[Ghost HuntersProgramGame](/computer_media/ghost-hunters/)

[GHOTIProgramGuide your fish through a bubble-filled swamp, eating plankton for survival while dodging diving turtles in this arcade game with UDG sprites and a skill-level timer.Game](/computer_media/ghoti/)

[GlasswallsProgramA physics-driven bouncing ball with distinct wall-collision sounds gradually widens its arc across a pixel-drawn enclosure until it comes to rest—then relaunches with more speed.Demo](/computer_media/glasswalls/)

[GobletProgramDraw a 2D profile, press Enter, and watch it spin into a shaded 3D wire-frame solid — powered by rotation matrices and embedded machine code.Art, Demo](/computer_media/goblet/)

[GolfProgramA nine-hole text golf game where you pick swing power and random physics determine whether you sink the putt or suffer a two-stroke penalty.Game](/computer_media/golf/)

[GradebookProgramA menu-driven gradebook program lets teachers manage a full class roster, record and edit individual grades, calculate percentages, and sort scores for distribution reports.Education, Teaching](/computer_media/gradebook/)

[GrafixProgramGraphics](/computer_media/grafix-2/)

[Grafix IIProgramThis program will simply create screens… Just sit back and enjoy!Graphics](/computer_media/grafix-ii/)

[Grand PrixProgramA complete Grand Prix racing game hides its entire engine — graphics, sound, and game logic — inside a single REM statement as raw Z80 machine code.Game](/computer_media/grand-prix/)

[Graph 2ProgramA self-contained 3D graph renderer uses hidden-line removal and perspective correction to plot a 128×44 data array as a dramatic three-dimensional surface.Demo](/computer_media/graph-2/)

[Graph TimeProgramEnter a number and watch a unique geometric line pattern emerge — each step value produces a completely different symmetric graphic from just four DRAW commands.Demo, Graphics](/computer_media/graph-time/)

[GraphicProgramA hypnotic screen-filling geometric pattern built from overlapping diagonal lines, combined with AY sound chip initialization, loops endlessly to create a shifting interference display.Demo, Graphics](/computer_media/graphic/)

[Graphic ShowProgramA self-contained BASIC program hides an entire machine code routine inside a REM statement, launching it via USR if a system flag is set.Demo, Graphics](/computer_media/graphic-show/)

[GraphicDemoProgramA mesmerising shrinking geometric pattern built from just four DRAW commands, cycling through two ink colours as it spirals inward iteration by iteration.Demo](/computer_media/graphicdemo/)

[GraphicsProgramSix mathematical graphics routines — spirographs, parametric spirals, sine waves, and circle arrays — each driven by user input or looped parameters, all in one program.Art, Demo](/computer_media/graphics/)

[Gray BlocksProgramA reusable subroutine that loads six dithered checkerboard patterns into UDG memory to simulate ZX81/TS1000 gray block graphics.Font, Graphics](/computer_media/gray-blocks/)

[GreetingProgramA user-group demo combining machine code speech synthesis, animated text routines, and a parametric spirograph plotter driven by user-supplied "magic numbers."Demo](/computer_media/greeting/)

[Greeting Card DesignerProgramA full greeting-card studio: design covers and interiors with custom graphics, borders, and text, then print folded cards on five supported printer models.Home](/computer_media/greeting-card-designer/)

[GRID 9XProgramA BASIC program that draws a precision 24×24 pixel grid with registration marks and tick decorations, then sends it to a printer for graphics design work.Graphics](/computer_media/grid-9x/)

[Grocery ListProgramA fully interactive grocery list manager prints up to six personalized copies of 100 customizable items, complete with a colorful animated introduction and on-the-fly slot substitution.Home](/computer_media/grocery-list/)

[GuardianProgramEnemy ships have been spotted off your shore. Your mission is to blow them out of the water.Arcade](/computer_media/guardian/)

[GulpmanProgramIn Gulpland, a typical Gulpman dashes through a maze of apple trees to satisfy his voracious appetite for apples, but the Wormoids are constantly after him.Arcade](/computer_media/gulpman/)

[GyrussCartridgeA port of Konami's circular-scrolling arcade shooter, with nine planets to liberate, three enemy waves each, and power-up satellites that upgrade your cannon.Arcade, Game](/computer_media/gyruss/)

[Halley's CometProgramWatch Halley's Comet trace its eccentric elliptical orbit past six planets using Kepler's equation, with live distance and year readouts updating as the animation runs.Astronomy](/computer_media/halleys-comet/)

[HalloweenProgramGuide a witch through seven Halloween castle stages, collecting letters to spell EXIT while dodging ghosts, gravestones, and your own poisonous broomstick trail.Game](/computer_media/halloween/)

[Hang ManProgramA complete Hang-Man word game with hundreds of vocabulary words, scoring messages, and a demo mode — all hidden inside a single REM statement and run as machine code.Game](/computer_media/hang-man/)

[HangcatProgramA two-player word-guessing game with a clever UDG-based animated title that copies ROM font data character by character into custom graphic slots.Game](/computer_media/hangcat/)

[HeaderProgramPeek inside a cassette tape's header block — this program decodes file type, filename, and metadata using a clever machine code ROM-switch routine.Header, Tape](/computer_media/header/)

[HeaderProgramA machine code–assisted tool that intercepts and decodes tape header blocks, revealing file type, filename, length, and start address for any loaded tape.Header, Tape](/computer_media/header-2/)

[Header5ProgramA machine-code-assisted cassette utility reads tape file headers and reports their contents — file type, name, length, and auto-start line — to screen and printer.Header, Tape](/computer_media/header5/)

[HeadlineProgramA banner printer that reads UDG pixel data directly from memory, transposes the 8×8 bitmap, and expands every pixel into a chunky 4×3 block character on the 2040 printer.Banner, Graphics](/computer_media/headline/)

[HeadscanProgramDecode what's on any cassette tape before you load it — this utility reveals file type, filename, length, and auto-start line by reading the raw header block.Header, Tape](/computer_media/headscan/)

[Helicopter 1 Sound ExampleProgramA compact three-line loop drives the TS2068's AY sound chip through multiple registers simultaneously to recreate the thrum of a helicopter rotor.Sound](/computer_media/helicopter-1-sound-example/)

[Helicopter 2 Sound ExampleProgramA compact looping sound effect that programs the AY-3-8910 chip's registers directly to produce a repeating helicopter-like audio pattern.Sound](/computer_media/helicopter-2-sound-example/)

[Helicopter 3 Sound ExampleProgramA compact three-line AY chip sound demo programs the envelope, noise, and mixer registers to recreate a helicopter sound effect.Sound](/computer_media/helicopter-3-sound-example/)

[Hell's AngelsProgramYour unenviable task to once again defend the Earth from the alien hordes - this time in the shape of angels from Hell and then by a number of demons.Game](/computer_media/hells-angels/)

[Hello!ProgramA scrollable, letter-indexed disk program launcher lets you browse and load up to 200 entries, with machine code routines handling drive selection and smooth screen scrolling.Disk Drive Systems](/computer_media/hello/)

[HEXLOADERProgramEnter hex bytes directly into memory with automatic address tracking, running checksum management, and a review mode that reads back every POKEd location.Programming](/computer_media/hexloader/)

[HEXSPECProgramA hands-on hex loader that lets you POKE machine code directly into memory, with per-line checksum verification to catch any mistyped bytes.Programming, Utility](/computer_media/hexspec/)

[HIDDENWORDProgramThis BASIC puzzle generator hides your chosen words in a grid across eight directions, fills blank cells with random letters, and sends the result to screen or printer.Game](/computer_media/hiddenword/)

[HiResHatProgramA nested-loop parametric surface renderer plots a 3D hat shape using a sum-of-sines height function and an oblique isometric projection — entirely in BASIC.Demo](/computer_media/hireshat/)

[HiSoft PascalProgramPascal compiler for the TS 2068, adapted from the version for the ZX Spectrum.Pascal (programming language), Programming](/computer_media/hisoft-pascal/)

[Home Improvement PlannerProgramA nine-option home improvement planner calculates carpet, paint, and wallpaper estimates from stored room dimensions, complete with graphical dimension diagrams.Home](/computer_media/home-improvement-planner-2/)

[Horace and the SpidersProgramA three-stage Horace platformer spanning a spider-dodging run, a thread-hopping ravine crossing, and an offensive web-stomping finale.Arcade, Game](/computer_media/horace-and-the-spiders/)

[Horace And The SpidersCartridgeA three-stage Horace platformer spanning a spider-dodging run, a thread-hopping ravine crossing, and an offensive web-stomping finale.Arcade, Game](/computer_media/horace-and-the-spiders-2/)

[Hot Z 2.51ProgramDisassembler/assembler with data displays, ROM floating-point code display, four letter names for commonly used addresses (built-in and user-defined) and more.Machine Language, Programming](/computer_media/hot-z-2-51-tap/)

[HOT Z DisassemblerProgramDisassembler/assembler with data displays, ROM floating-point code display, four letter names for commonly used addresses (built-in and user-defined) and more.Machine Language, Programming](/computer_media/hot-z-disassembler/)

[How To Enjoy an Expanded Timex 2068ArticlePaul Holmgren walks through the POKE sequence and system variable adjustments needed to run BASIC and machine code from a 64K NVM board in the TS2068 DOCK port.RAM](/computer_media/how-to-enjoy-an-expanded-timex-2068/)

[HP23ProgramAn engineering program plots horsepower curves for industrial natural gas compressors, running for days unattended while automatically printing hundreds of pressure-ratio charts.Engineering](/computer_media/hp23/)

[HS68 DriverProgramA BASIC-driven speech synthesis editor lets you record, arrange, and play back a digitized word library stored in high memory, complete with a waveform browser.Speech, Speech Synthesis](/computer_media/hs68-driver/)

[HumorisqProgramTest your knowledge of comedy legends by matching last names to first names in this 100-comedian quiz with tiered scoring and retry logic.Game](/computer_media/humorisq/)

[HUNCHYProgramGuide a hunchback hero across castle ramparts through five unique screens, dodging snipers and swinging on ropes to rescue Esmeralda in this joystick-driven action game.Game](/computer_media/hunchy/)

[Hungry HoraceCartridgeHelp Horace tease the park guards by stealing their lunch, eating flowers, and ringing the alarms — but don’t let the guards catch Horace or all is lost.Arcade, Game](/computer_media/hungry-horace/)

[HydrologyProgramA menu-driven hydrology suite that calculates watershed slopes, draws drainage maps, prepares unit hydrographs, and fits lognormal distributions — all with embedded machine code.Engineering](/computer_media/hydrology/)

[Hydrology 2ProgramA three-module hydrology toolkit that computes rainfall distribution, unit hydrograph convolution, and reservoir storage-routing functions — all driven from a single numeric menu.Engineering](/computer_media/hydrology2/)

[I.T. (The Intraterrestrial)ProgramNavigate a 36-room cave, battle monsters with a state-machine AI, and defuse a bomb whose solution hides in a single ASCII arithmetic check.Game](/computer_media/i-t-the-intraterrestrial/)

[Idaho SquaresProgramCrack a cleverly constructed 3×3 number grid where every row sums to 27 — but four cells are hidden and only your arithmetic intuition can restore them.Game](/computer_media/idaho-squares/)

[Impossible TriangleProgramThis drawing program builds a famous geometric paradox on screen step by step, complete with randomized sound effects, before revealing its impossible identity.Demo](/computer_media/impossibletriangle/)

[Income Tax 1ProgramWalk through every line of a 1986 Form 1040 with this interactive BASIC program that calculates your tax liability and prints a fully formatted return summary.64 Column, Tax](/computer_media/income-tax-1/)

[Inctax789ProgramA three-year income tax estimator covering 1987–1989 that handles all four filing statuses, Social Security taxation, IRA deductions, and itemized versus standard deductions.Tax](/computer_media/inctax789/)

[IndexProgramA card-filing database using packed string variables for storage, with category/name/modifier search, tape persistence, and print driver.Database](/computer_media/index-2/)

[INKEY$ProgramAn eight-byte machine-code routine lets you scan any keyboard half-row for simultaneous keypresses, complete with a tape-save option and interactive demo.Utility](/computer_media/inkey/)

[Inside SpectrumProgramAn interactive PCB diagram of the ZX Spectrum Issue 3 board, with block-graphic components, vector-drawn bus lines, expansion-port pinout, and detailed on-screen explanations of every chip.Education](/computer_media/inside-spectrum/)

[Insurance Property RecordProgramA full home insurance property inventory system that catalogs up to 100 items, supports multi-criteria search, and saves everything back to tape for safekeeping.Home](/computer_media/insurance-property-record/)

[Interest CalculationProgramA full loan amortization calculator that breaks down monthly principal, interest, and balance — with dual printer support and currency formatting built in.Finance](/computer_media/interest-calculation/)

[INTERPOLATEProgramA line-by-line interpolated graph builder that scales and plots any twelve data points with smooth linear interpolation between each pair.Graphics](/computer_media/interpolate/)

[InventoryProgramAn inventory manager that uses machine code at address 55213 and a clever PEEK 65535 dispatch trick to drive its entire BASIC shell.Business](/computer_media/inventory-2/)

[InvertProgramRedirect the font pointer to a RAM copy of the character set, unlocking fully editable custom character shapes across all 96 printable characters.Demo](/computer_media/invert/)

[InvestmentProgramA nine-module personal finance toolkit covering loans, annuities, bonds, life insurance estimates, a calendar, and a utility bill analyzer — all with optional printer output.Finance](/computer_media/investment/)

[Investment/LoanProgramA full-featured financial calculator solving investments, loans, and cash flows — enter "X" for any unknown and let the program find it automatically.Finance](/computer_media/invest-loan/)

[IO with LLIST #5ProgramA channel-manager utility that interactively extends the OS I/O table, assembling a full I/O driver at runtime using named opcode variables and DATA statements.Programming](/computer_media/io-with-llist-5/)

[IslandProgramGame](/computer_media/island/)

[ISTUG Public Domain Library 5CassetteExplore a first-person 3D maze, watch an audio oscilloscope in real time, draw pixel art with ten drawing modes, or generate random surreal poetry — ISTUG Library 5 is a sprawling collection that covers every corner of the TS 2068 experience.Collection](/computer_media/istug-public-domain-library-5/)

[ISTUG Public Domain Library 6CassetteRun a lemonade stand, manage a radio factory through crises, catch drips as a plumber, or compose three-voice music note by note — ISTUG Library 6 balances business simulations and financial tools with arcade action and creative software.Collection](/computer_media/istug-public-domain-library-6/)

[ISTUG Public Domain Library 7CassettePilot a flight from London, lay pipes against an AI opponent, find planets in the night sky, or teach a computer to guess animals — ISTUG Library 7 mixes strategy and science with some of the most inventive programs in the series.Collection](/computer_media/istug-public-domain-library-7/)

[ISTUG Public Domain Library 8CassetteSolve a virtual Rubik's Cube, guide Santa through five arcade stages, play Scrabble against the computer, or renumber your BASIC programs with machine code precision — ISTUG Library 8 rounds out the Indiana collection with polished games and essential dev tools.Collection](/computer_media/istug-public-domain-library-8/)

[ISTUG-BBSProgramA fully-featured BASIC bulletin board system supporting remote callers via modem, with message storage, sysop chat, quick scan, and a password-protected editor.BBS](/computer_media/istug-bbs/)

[ItalicsProgramA self-contained machine code generator shifts every ROM character right to fake italics, then saves the 768-byte result as a relocatable font you can drop into any program.Font](/computer_media/italics/)

[Jack5ProgramA two-entity grid game with UDG sprites, SCREEN$-based collision detection, and a high-score name entry system packed into tight BASIC code.Game](/computer_media/jack5/)

[JazzoFireProgramThree interconnected programs combine an interactive pixel-art UDG editor, a proportional machine-code font renderer, and a porthole/window graphics demo into one impressive package.Programming](/computer_media/jazzofire/)

[Jingle BellsProgramA BASIC rendition of "Jingle Bells" that layers AY chip chords beneath a BEEP melody using computed GO SUB dispatch and clever data encoding tricks.Music](/computer_media/jingle-bells/)

[JLO SAFE DOS v2.35ROMROM image for use with John Oliger disk drive system.DOS, ROM](/computer_media/jlo-safe-dos-v2-35/)

[JLO SAFE DOS v2.65ROMA full-featured disk operating system that intercepts BASIC errors to add disk commands, NMI STATE saves, multi-printer screen dumps, and dual-ROM compatibility.DOS, ROM](/computer_media/jlo-safe-dos-v2-65/)

[JoystickProgramA joystick-driven drawing toy that trails randomly colored symbols across the screen, with a fire button that switches the brush character on the fly.Demo](/computer_media/joystick/)

[Joystick WrapperProgramA joystick demo moves a cursor around the full screen with edge wraparound and diagonal movement, all packed into a handful of clever BASIC expressions.Demo, Programming](/computer_media/joystick-wrapper/)

[JRC CatalogCassetteA shareware cassette catalog bundles a fully playable 3D Tic-Tac-Toe AI, a graphics demo, and candid commentary on the home computer market into one remarkable program.Collection](/computer_media/jrc-catalog/)

[Julian DayProgramA two-way Julian Day Number converter that handles BC dates, century corrections, and day-of-week calculation via a clever shared subroutine.Utility](/computer_media/julian-day/)

[JumperProgramDodge two independently scrolling obstacle rows using five custom sprites and a lives system — all packed into a tight BASIC movement and collision loop.Arcade, Game](/computer_media/jumper/)

[Just Another Spreadsheet!ProgramA machine-code spreadsheet with a BASIC shell that uses PEEK 65535 as a jump table to hand control back to its own engine after every operation.Finance, Spreadsheet](/computer_media/just-another-spreadsheet/)

[KenoProgramPick 10 numbers from a field of 81 in this casino-style Keno game, where matching all 10 pays out at one-million-to-one odds.Game](/computer_media/keno/)

[Keyboard TutorProgramA typing tutor that draws a UDG keyboard on screen, scores your keystrokes in real time, and reports accuracy as a percentage.Education](/computer_media/keyboard-tutor/)

[KeyScanProgramA tiny 25-byte machine code routine slots itself just above RAMTOP and returns real-time two-key keyboard state — callable from BASIC with a single USR expression.Programming](/computer_media/keyscan/)

[Keyword v5ProgramA machine code keyboard utility that lets you type BASIC keywords as plain text gets a slick animated loader with tape and disk backup support.Programming](/computer_media/keyword/)

[King-KongProgramNavigate a multi-story building, dodge patrolling gorillas, and defeat the giant ape in this attribute-collision arcade game with a custom character set and frame-counter timer.Arcade, Game](/computer_media/king-kong/)

[KingdomProgramA five-year kingdom management game where players juggle floods, famine, and thieves — with animated raiders and a market economy — to become the wealthiest ruler.Game](/computer_media/kingdom-2/)

[Kitchen ChaosProgramGuide a frying pan across the kitchen floor to catch falling eggs in this sprite-animated arcade game with original music and hand-crafted UDG characters.Game](/computer_media/kitchen-chaos/)

[Knight FightProgramTwo knights charge across the screen in this equipment-buying jousting game, where armour, lance weight, and RND combine to decide who takes the hit.Game](/computer_media/knight-fight/)

[Knight's TourProgramA backtracking Knight's Tour solver lets you pick any board size up to 8×8, find solutions, and print the completed board via machine code.Game](/computer_media/knights-tour/)

[Knight's TourProgramMove your knight through all 64 squares of the board using regular knight’s moves.Game](/computer_media/knights-tour-2/)

[L & KProgramLoad multiple full screens into memory and play them back as a slideshow, driven by a compact Z80 machine code routine installed at runtime.Graphics](/computer_media/l-k/)

[Label MakerProgramThis label-making utility centers up to four lines of user text on a printer and runs off as many copies as you need — all with live preview and confirmation.Business, Home](/computer_media/label-maker/)

[Language UsageProgramA grammar drill suite covering verb agreement, pronoun usage, homonyms, and more, with timed tests, per-category scoring, and custom UDG logo graphics.Education](/computer_media/language-usage/)

[Large CharactersProgramWatch every printable character from the ROM font rendered as a giant 8×8 pixel grid, one at a time, with clever bit-extraction arithmetic.Demo](/computer_media/large-characters/)

[Large TextProgramType up to 16 characters and watch the program scan and redraw your text at magnified size, with a beep for every pixel found.Demo](/computer_media/printscren/)

[LaurieProgramDraw joystick-controlled pixel art frame by frame, saving each one as raw memory code — this animation tool even embeds its own machine code bootstrap.Animation, Graphics](/computer_media/laurie/)

[Lazer ZoneProgramCaught between a llama's wrath and a laser battle in 6-space, you have no choice but to champion your race with skill and glory.Game](/computer_media/lazer-zone/)

[Lemonade StandProgramManage a week-long lemonade stand, balancing weather, pricing, and random vandal attacks in this economics simulation with animated block-graphic shopfront.Game](/computer_media/lemonade/)

[LifeProgramA full Conway's Life implementation with a cursor-driven cell editor and machine-code evolution engine, loaded from tape and driven by a BASIC menu shell.Education, Game](/computer_media/life/)

[Life Insurance EstimaterProgramA step-by-step life insurance estimator walks you through income, Social Security benefits, time horizons, and assets to calculate your exact coverage gap.Finance](/computer_media/lifeinsest/)

[LightsProgramA randomized bouncing-pixel light show that changes colors on every move and resets with a new background whenever it hits the screen edge.Art, Demo](/computer_media/lights/)

[Linear Optimization By Simplex MethodProgramA full Simplex Method solver that handles mixed constraints, artificial variables, and Big-M penalties — printing the complete tableau at every iteration until the optimal solution is found.Mathematics](/computer_media/linoptsi/)

[LinesProgramA mesmerizing string-art animation traces ruled surfaces between two moving paths, erasing old lines automatically with inverse plotting for smooth, endless motion.Art, Demo](/computer_media/lines/)

[LissajousProgramWatch continuously morphing Lissajous curves drawn in real time using parametric sine and cosine equations with an ever-shifting frequency ratio.Art, Demo](/computer_media/lissajous/)

[LISTSProgramA fully configurable flat-file database lets you define custom fields, then add, edit, delete, search, sort, and save records — all from a simple numbered menu.Database](/computer_media/lists/)

[Loader VProgramA terminal-program companion that stores 20 phone numbers, auto-redials with a try counter, and loads text buffers from tape with configurable carriage-return options.Terminal](/computer_media/loader-v/)

[Loan Amortization 2068ProgramEnter a loan amount, term, and interest rate to get a fully formatted amortization schedule showing payment-by-payment interest, principal, and balance breakdowns.Finance](/computer_media/loan-amortization-2068/)

[Loan CompareProgramA handy loan payment calculator that crunches amortization math and lets you print or re-run results with a single keypress.Finance](/computer_media/loancompar/)

[Loco MotionCartridgeDrive your locomotive across the countryside, dodging obstacles and hauling cargo at full steam.Game, ROM](/computer_media/loco-motion/)

[LollipopsProgramGuide your lollipop through a candy field, collecting flavors by color while avoiding the deadly peppermint — a clever ATTR-based detection game with joystick support.Game](/computer_media/lollipops/)

[Long Island Sinclair Timex (LIST) User Group Library Tape #2CassetteTrack the OSCAR 10 satellite, design Bézier curves interactively, take a geography quiz on a hand-drawn map of North America, or hear the Olympic fanfare — LIST Library Tape 2 is a well-curated selection of practical and creative programs.Collection](/computer_media/list-lib-2/)

[Long Island Sinclair Timex (LIST) User Group Library Tape #2.2CassetteA focused supplement to the LIST library — play 3D Tic-Tac-Toe with three difficulty levels, design smooth curves with an interactive Bézier tool, and inspect or load machine code byte by byte.Collection](/computer_media/long-island-sinclair-timex-list-user-group-library-tape-2-2/)

[Long Island Sinclair Timex (LIST) User Group Library Tape #7CassetteThe biggest LIST tape yet — play poker accompanied by chip-tune renditions of classic songs, diagnose illnesses with a Bayesian expert system, master Z80 opcodes with a quiz, or unscramble anagrams before the cauldron boils over. Four custom fonts included.Collection](/computer_media/long-island-sinclair-timex-list-user-group-library-tape-7/)

[Lost In 3DProgramGame](/computer_media/lost-in-3d/)

[LotteryProgramA lottery picker that generates ten sorted six-number selections and uses a clever cascading-insertion sort entirely in plain BASIC variables.Entertainment](/computer_media/lottery/)

[LottoProgramCustom lottery number generator; you define the number and range.Game](/computer_media/lotto/)

[Lunar LandProgramGuide a crippled survival capsule to a safe lunar touchdown while your engines randomly deteriorate — every second counts in this physics-based lander game.Game](/computer_media/lunar-land/)

[M*5ProgramGuide the starship M*5 safely to Moon Base 2 by answering 36 planet-trivia questions before your calculated speed hits zero and you crash.Astronomy, Education](/computer_media/m5/)

[Machine Code MonitorProgramA full machine code monitor lets you examine, edit, enter, save, and run memory—complete with hex/decimal toggle and Z80 scroll routines POKEd in at startup.Programming, Utility](/computer_media/machinecodemonitor/)

[Machine Code Shell-Faulk SortProgramA machine code Shell-Faulk sort tackles 100 random ten-character strings, with BASIC handling parameter passing via strategic POKEs before handing off to a 249-byte routine.Demo, Programming](/computer_media/machine-code-shell-faulk-sort/)

[Machine Code TutorCassette33 lessons on two cassettes. Instructions include examples and exercises to learn machine code. Includes a simulated assembler.Programming](/computer_media/machine-code-tutor/)

[Magazine FileProgramA menu-driven magazine article database packs up to 500 records into a string array, with subject search, bubble sort printing, and a character-by-character record editor.Database](/computer_media/magfile/)

[Magic SquareProgramEnter a starting number and a step value to instantly generate and print an arithmetic magic square where every row, column, and diagonal shares the same sum.Game](/computer_media/magic-square/)

[MagnabannerProgramPrint giant magnified banner text in four typographic styles using pixel-level font reading, machine code type rendering, and user-selectable fill characters.Banner](/computer_media/magnabanner/)

[MagnifyProgramType two lines of text and watch each character balloon into a bold block-graphic display — with printer output — using a clever pixel-reading trick.Banner, Demo](/computer_media/magnify/)

[Magnify12ProgramBlow up any text to giant banner size by pixel-sampling each character and reprinting it with your choice of block-graphic fill characters — on screen and printer simultaneously.Banner, Demo](/computer_media/magnify12/)

[Mail ListProgramA complete tape-based mailing-list manager for a T/S user group, with member records, label printing, and a machine-code printer patch all bundled together.Database](/computer_media/mail-list/)

[Mailing ListProgramA tape-based mailing label manager using machine code dispatch, dynamic CODE block sizing, and a block-character deletion flag to suppress records from printing.Business, Database](/computer_media/mailing-list/)

[Majesti-CalcProgramA personal finance tracker that manages bills and income across parallel arrays, with printer support and machine code enhancement.Finance, Home](/computer_media/majesti-calc/)

[Make UDGsProgramDesign custom graphic characters pixel by pixel on an 8×8 grid, then compile, save, load, and edit them with this interactive UDG generator tool.User Defined Graphics](/computer_media/make-udgs/)

[ManagerProgramRun a radio factory through weekly crises — union strikes, flood damage, and supplier hikes — balancing wages, workforce, and pricing to avoid bankruptcy.Game](/computer_media/manager/)

[Mandelbrot GeneratorProgramExplore the Mandelbrot set with interruptible 160×160 iteration, tape-based session save/resume, hard-copy output, and UDG-mapped character rendering.Demo, Mathematics](/computer_media/mandelbrot-article/)

[ManimationProgramA walking stick-figure animation that pushes the UDG system to 80 characters by swapping multiple graphics tables on the fly using direct memory POKEs.Animation, Demo](/computer_media/manimation/)

[Master ChessProgramComplete chess engine for the Timex Sinclair 2068. It's entirely self-contained with no ROM calls - all I/O is custom.Game](/computer_media/master-chess/)

[MathProgramA four-operation math drill lets students practice addition, subtraction, multiplication, and division with score tracking and a custom division symbol built from a UDG.Education, Mathematics](/computer_media/math/)

[Math Wizardry IProgramA two-part place-value tutor that drills addition and subtraction digit by digit, animating carry and borrow steps with custom sprites and an interactive score display.Education, Mathematics](/computer_media/math-wizardry-i/)

[Math Wizardry IIProgramA two-part math trainer guides children step-by-step through multiplication tables and long division, with a growing train graphic that rewards correct answers.Education, Mathematics](/computer_media/math-wizardry-ii/)

[MC RenumberProgramMachine code routine to renumber programs. Uses lines 0 and 9999.Renumber](/computer_media/mc-renumber/)

[MC-MOVEProgramA BASIC-driven Z80 machine code relocator that rewrites embedded 16-bit addresses opcode-by-opcode, letting you move assembled routines to a new memory location safely.Programming](/computer_media/mc-move/)

[mcdisProgramA merge-friendly Z80 disassembler with hex input, a labeled-address dictionary, and a companion machine code block — all packed into a tidy menu-driven toolkit.Machine Language, Programming](/computer_media/mcdis/)

[MCEDITProgramA compact memory editor lets you walk through RAM byte by byte, inspecting and patching machine code values interactively from the keyboard.Programming](/computer_media/mcedit/)

[MCLOADERProgramA machine code loader that POKEs decimal bytes into memory near RAMTOP, computes a checksum, and then tells you exactly how to SAVE the result to tape.Programming](/computer_media/mcloader/)

[Med-ExpertProgramA rule-based medical expert system uses Bayes' Theorem to diagnose over 90 illnesses by asking symptom questions scored on a -5 to +5 scale and iteratively updating disease probabilities.Education](/computer_media/med-expert/)

[MemoryProgramMatch all 8 pictures, the lower your score the better.Game](/computer_media/memory/)

[Memory MatProgramFlip numbered tiles to uncover playing cards and match all 26 pairs in this concentration game that tracks your choices and rewards memory.Game](/computer_media/memory-mat/)

[MemscanProgramA compact 34-byte machine code routine scans your system's memory map and reports what's installed — all launched from a tiny BASIC loader.Demo](/computer_media/memscan-2/)

[Mental ManiaProgramA five-disc Tower of Hanoi challenge with joystick support, colorful block-graphic discs, a 100-move limit, and a printer-ready move history.Game](/computer_media/men-man/)

[Menu-Driven Grade AveragingProgramA four-mode teacher's grade book that calculates weighted averages across a six-week period and prints formatted report cards directly to a 2040 printer.Teaching](/computer_media/menu-driven-grade-averaging/)

[MenuEProgramA single-keypress disk-directory manager stores up to 24 labeled boxes of 20 entries each, with add, delete, and move operations in a packed string array.Database](/computer_media/menue/)

[Merge 1ProgramA tape-based mail-merge utility uses an embedded machine code block-copy routine to assemble personalized letters from a template and data file.Business](/computer_media/merge-1/)

[MessiahProgramA hand-crafted banner routine combines cycling border colors, multi-register AY sound chip music, and block graphic characters to create a striking animated title display.Demo, Music](/computer_media/messiah/)

[Metric ConversionProgramA 17-category imperial-to-metric converter that uses a compact comma-delimited factor string and a computed GO TO dispatch table to handle everything from teaspoons to tons.Mathematics](/computer_media/metric-conversion/)

[Micro-Wafer Test ProgramProgramA diagnostic utility that stress-tests removable wafer media by saving and verifying dozens of test files, then reports free capacity and lists any bad sectors found.Disk Drive Systems, Utility](/computer_media/micro-wafer-test-program/)

[MinesweeperProgramA pixel-perfect Minesweeper clone with three difficulty levels, mouse support, and a faithful Windows-style interface packed into a single game.Game](/computer_media/minesweeper/)

[MINOTAURProgramNavigate a first-person 3D maze, collect three hidden weapons, and survive a wandering enemy in this text-and-graphics dungeon crawler.Game](/computer_media/minotaur/)

[MinotaurProgramYou are lost in a maze and you must find the exit while avoiding the minotaur.Game](/computer_media/minotaur-2/)

[Minuet in GProgramA faithful BASIC arrangement of Bach's "Minuet in G" drives hardware sound registers for two- and three-voice polyphony with a flashing title screen.Music](/computer_media/minuet-in-g/)

[MinuetzProgramRoll dice or let the computer decide as this algorithmic composition program builds musical scores, renders notation on-screen, and plays them back through machine code routines.Music](/computer_media/minuetz/)

[MinutemanProgramA countdown from 10 to liftoff drives this missile launch simulation, complete with rising beep tones and an ASCII rocket that scrolls upward across the screen.Demo](/computer_media/minuteman/)

[Miscellaneous ProgramsCassetteA grab-bag of hidden gems — chat with an ELIZA therapist, play Boggle in three languages, navigate a 36-room cave to defuse a bomb, joust as a medieval knight, or generate random surreal poetry. Includes three holiday card programs.Collection](/computer_media/miscellaneous-programs/)

[Mission ImpossibleProgramGuide a nuclear operative through a robot-patrolled power station, collecting fourteen fuel rods before radioactive runaway — with custom sprites and laser hazards.Game](/computer_media/mission/)

[Mister ButterflyProgramGame](/computer_media/mister-butterfly/)

[ModemProgramA pulse-dialer and auto-launcher that drives a phone line through the expansion port, detects a carrier, then hands off to a machine-code terminal — all in BASIC.Terminal](/computer_media/modem/)

[MoireProgramFive hypnotic geometric light-show routines chain together, using XOR drawing, system variable PEEKs, and bouncing coordinates to fill the screen with evolving abstract patterns.Art, Demo](/computer_media/moire/)

[Mona LissaProgramA rendition of a woman in black and white (no color attributes used). Not a typo: contains a SCREEN$ file that is definitely not the Mona Lisa.Art](/computer_media/mona-lissa/)

[Money ManagerProgramA full-featured personal finance manager tracks monthly income, expenses, assets, liabilities, and budgets, complete with text-based bar graphs and loan repayment tracking.Finance](/computer_media/money-manager/)

[Money PailProgramDollar bills rain from the sky — move your pail with two keys, catch up to five bills, then rush to the bank before more money falls past you.Game](/computer_media/money-pail/)

[Monitor and DisassemblerProgramDisassembler and machine code monitor: display and edit registers, edit code, and move blocks of memory.Machine Language, Programming](/computer_media/monitor-and-disassembler/)

[Montezumas RevengeCartridgeAmerican version of Panama Joe.Game](/computer_media/montezumas-revenge/)

[Moon LanderProgramGuide your lunar lander across five hand-crafted moonscapes, juggling thrust, rotation, and fuel while dodging meteors and sticking every landing pad.Arcade, Game](/computer_media/lander/)

[Moon LanderProgramGuide a lunar lander to a safe touchdown using thrust and rotation controls, with machine code sprites and collision detection driving the action.Arcade, Game](/computer_media/moonlander/)

[Moon Phase CalculatorProgramA year-by-year lunar phase calculator using real astronomical algorithms, complete with trigonometric corrections and selectable screen or printer output.Astronomy](/computer_media/moon-phase-calculator/)

[Moonphase AstrologyProgramEnter any calendar date and this program calculates the Moon's ecliptic longitude in degrees using a multi-term astronomical polynomial expansion.Astronomy, Entertainment](/computer_media/moonphase-astrology/)

[MorseProgramA three-mode Morse code trainer that plays dots and dashes as tones, teaches the full alphabet, encodes typed messages, and quizzes you with a scored test.Ham Radio](/computer_media/morse/)

[Morse rev2ProgramType any letter or digit and hear its Morse code beep out in dots and dashes, with a user-chosen pitch — all in under 50 lines of BASIC.Ham Radio](/computer_media/morse-rev2/)

[MortgageProgramA three-mode mortgage calculator that computes monthly payments, maximum home prices, and affordability checks from income — all built around shared BASIC subroutines.Finance, Home](/computer_media/mortgage/)

[MountieProgramA Mountie on horseback springs to life from a cleverly encoded string of digit pairs, then scrolls a red "R.C.M.P." caption across the screen.Demo](/computer_media/mountie/)

[Moving AveragesProgramA time-series moving-averages program that handles even and odd periods, computes centred averages, and lets you chain multiple smoothing passes interactively.Mathematics](/computer_media/movingaverages/)

[Moving WavesProgramA hypnotic animated wave plot uses sine-driven coordinates and an error-trap handler to keep running until something inevitably goes wrong.Demo](/computer_media/moving-waves/)

[MozartProgramA complete rendition of Mozart's K. 545 sonata encoded purely in BEEP commands, with clever transposition tricks and reusable pattern subroutines packed into under 200 lines.Music](/computer_media/mozart/)

[Mr Me!ProgramPacman like video game.Game](/computer_media/mr-me/)

[MScriptProgramMachine language word processor developed exclusively for the Timex 2068 by Micro Systems Software, Inc.Word Processor](/computer_media/mscript-tap/)

[MScript (AROS, Tasman)ProgramMachine language word processor developed exclusively for the Timex 2068 by Micro Systems Software, Inc.Word Processor](/computer_media/mscript-tasman-aros/)

[MScript (FD68)ProgramMachine language word processor developed exclusively for the Timex 2068 by Micro Systems Software, Inc.Word Processor](/computer_media/mscript-fd68/)

[MScript (Original)ProgramWord processor developed for Timex by Micro Systems Software, Inc.Word Processor](/computer_media/mscript/)

[MTERMProgramTerminal program supplied with TS 2050 modem.Terminal](/computer_media/mterm/)

[MTerm IICartridgeTerminal program supplied with TS 2050 modem.Terminal](/computer_media/mterm-ii/)

[MTerm IIProgramTerminal program supplied with TS 2050 modem.](/computer_media/mterm-ii-2/)

[MTOSProgramA multi-program memory manager lets you keep a whole suite of utilities resident at once, switching between them by poking the BASIC program pointer directly.Programming](/computer_media/mtos/)

[MuffinProgramA hypnotic animation loop draws a random character across a random screen row, then wipes it away — endlessly repeating with fresh values each cycle.Animation, Demo](/computer_media/muffin/)

[Multi TapeProgramA tape cataloging utility that POKEs machine code to read raw cassette headers and stores up to 400 program entries across searchable arrays.Tape, Tape Directory, Utility](/computer_media/multitape/)

[Multi-Draw 2068ProgramDraw with joystick control of dual-multi-function screen cursors which draw, print, define characters, change colors, flash, save/load or print our your creations.](/computer_media/multi-draw-2068/)

[MULTIFILE+ProgramA full-featured string database manager with Quicksort, multi-field search, record deletion, and tape save — all packed into a single BASIC program.Database](/computer_media/multifile/)

[MultiplyProgramA multiplication quiz that rewards correct answers with an arcade money-catching game, complete with UDG sprites, chip sound, and a running bank balance.Education](/computer_media/multiply/)

[Multiply 1ProgramA pure-BASIC long multiplication routine handles numbers of any digit length, using string input and a carry-propagation array to deliver exact results.Mathematics](/computer_media/55129/)

[Multiply 2ProgramA two-part educational game combines timed multiplication drills with a falling-money arcade challenge where correct math earns your chance to catch dollar bills with a pail.Education, Mathematics](/computer_media/multiply-2/)

[MultisortProgramMerge this bubble sort routine into your tape catalog program and it will alphabetically sort program names, titles, and numeric data — even if it takes hours.Tape, Tape Directory](/computer_media/multisort/)

[Munchie ManProgramA joystick-driven Pac-Man clone uses nine custom sprite characters, an ASCII-art maze, and a randomly wandering ghost to challenge your dot-eating reflexes.Arcade, Game](/computer_media/pacman/)

[MusicProgramA compact music player that drives a three-voice sound chip with just one loop and 54 DATA values to perform an original 18-note melody.Music](/computer_media/music-2/)

[MusicProgramA hypnotic random music generator.Music](/computer_media/music/)

[Music Beep 1ProgramA BASIC music player that draws synchronized scrolling note rectangles on screen while playing multiple tunes through BEEP, with notes packed cleverly into DATA statements.Music](/computer_media/music-beep-1/)

[Music Beep 2ProgramA multi-song BASIC music player that precomputes an equal-temperament frequency table and uses polyphonic sound hardware to play melodies with synchronized on-screen graphics.Music](/computer_media/music-beep-2/)

[MUSIC DemoProgramThis program will play 5 tunes. Just press A-E to select the music. Demo for MUSIprint.Music](/computer_media/music-demo/)

[Music PlayProgramThis music player reads three-byte note records from a binary block at address 60000, programming the AY sound chip directly for metallic envelope tones.Music, Sound](/computer_media/music-play/)

[Music PlayerProgramA three-mode music program lets you compose tunes by typing letters, play a graphical keyboard in real time, or unleash a randomised bird-call synthesiser.Music](/computer_media/music-player/)

[Musical Christmas with TS 2068ProgramA BASIC Christmas jukebox plays Silent Night, Jingle Bells, and Joy to the World using clever DATA-driven note sequencing and ON ERR end-of-song detection.Holiday, Music](/computer_media/musical-christmas-with-ts-2068/)

[Musical rangeProgramWatch block graphics trace a path across the screen while BEEP sweeps through a wide musical range, then descends with a swooping sound effect.Music](/computer_media/musical-range/)

[Musician RoyalProgramA full-featured music composition editor that lets you enter notes by name, handles key signatures, supports tempo changes, and saves your melody for later playback.Music](/computer_media/musician-royal/)

[Musician Royal DemoProgramA six-piece demo album player that lets you queue, sequence, and loop compositions, with tempo scaling encoded right into each song's data stream.Music](/computer_media/musician-royal-demo/)

[MusicolaProgramA full-featured music composition tool that displays notes on a grand staff, supports harmony and chord generation, and can store thousands of notes for playback or printout.Music](/computer_media/musicola/)

[Musicomp 1ProgramA machine-code music composer whose BASIC shell juggles two separate tape CODE blocks and reads runtime addresses via PEEK to manage save and load operations.Music](/computer_media/musicomp-1/)

[MUSIprintProgramThis music utility will allow you to play music using the LPRINT (PRINT #3) command.Music](/computer_media/musiprint/)

[Muzik MasterProgramA playable two-octave piano keyboard with flashing key animations, sharp/flat labels, and a built-in melody demo hidden behind a single keypress.Music](/computer_media/muzik-master/)

[My GirlProgramA three-voice music player that sequences a recognizable melody by cycling through carefully arranged SOUND register data with mid-song section jumps.Music](/computer_media/my-girl/)

[NavyProgramGame](/computer_media/navy/)

[Net Present ValueProgramA financial analysis tool that computes Net Present Value and Internal Rate of Return for multi-period investments, complete with iterative IRR search and sensitivity analysis.Business, Finance](/computer_media/netpresval/)

[NetworkProgramA mesmerising line-burst pattern redraws itself endlessly in randomly chosen colour combinations — watch a geometric network bloom from a single screen point.Art, Demo](/computer_media/network/)

[New CharsProgramA compact loader patches two system variables to install a custom character set from a saved code block — here's how it redirects the UDG pointer at runtime.Font](/computer_media/new-chars/)

[New CHR$ProgramFlip your entire character set upside-down, load hand-crafted letter shapes, or restore the ROM font — all by jumping to a single line number.Demo](/computer_media/new-chr/)

[New York by NightProgramGuide your antimatter flying disc against waves of descending aliens threatening a procedurally generated nighttime cityscape, with difficulty levels and UDG sprite graphics.Game](/computer_media/new-york-by-night/)

[NewscriptProgramA self-destructing font generator that rewrites the ROM character set byte-by-byte into RAM, then hands you a bolder typeface and vanishes.Font](/computer_media/newscript/)

[Night GunnerProgramYou are gunner and bomber whose task is to defend your plane against enemy attack and destroy ground targets in 30 different missions.](/computer_media/night-gunner/)

[Night RaceProgramGuide a UDG-sprite car down a shifting night road, dodge oncoming traffic, and chase a persistent high score in this pure-BASIC racer.Game](/computer_media/night-race/)

[NightfallProgramGuide your craft through a torrential rainfall, dropping bombs and dodging collisions in this arcade game that uses custom graphics and display-file collision detection.Arcade, Game](/computer_media/nightfall/)

[NotesProgramA user-group tape header program displays club guidelines on copyright, compatibility, and error-fixing — a candid snapshot of early hobbyist software sharing practices.](/computer_media/notes/)

[NPolygonsProgramEnter any number from 3 to 30 and watch every vertex pair of a regular polygon get connected, revealing intricate geometric star patterns built from pure BASIC trigonometry.Mathematics](/computer_media/npolygons/)

[NumbersProgramEnter any number and watch a 4×4 magic square appear — every row, column, diagonal, and corner group sums to your chosen value.Mathematics](/computer_media/numbers/)

[Ohio LotteryProgramPick your lucky numbers with this two-mode lottery generator that ensures unique draws and supports both screen copy and line printer output.Entertainment](/computer_media/ohio-lottery/)

[Ohm's LawProgramEnter any two electrical values and this Ohm's Law calculator instantly derives voltage, current, resistance, and power using all six possible formula pairs.Education, Electronics](/computer_media/ohms-law-2/)

[OKI DLPGProgramConvert a screen image into downloadable character data for an Okimate 20 printer, with machine code processing and detailed printer control codes provided on-screen.Printer](/computer_media/oki-dlpg/)

[Okimate 20 Downline Loadable Character GeneratorProgramDesign custom printer characters pixel-by-pixel with a joystick-driven crosshair editor, then transfer them directly to an Okimate 20 printer via machine code routines.Printer](/computer_media/okimate-20-downline-loadable-character-generator/)

[Old English FontsProgramAn interactive decorative font compositor renders large, multi-row Old English glyphs on screen, driven by swappable machine code character tables and a full editing keyboard.Font](/computer_media/old-english-fonts/)

[Olivetti Desktop PublisherProgramA two-column desktop publishing system that reads text from REM statements, supports custom fonts, and drives an inkjet printer through embedded machine code routines.Desktop Publishing](/computer_media/desktop-publisher/)

[OlympiadProgramA faithful recreation of the Olympic fanfare complete with five-ring graphics and a custom animated character that tracks each note as the melody plays.Demo](/computer_media/olympiad/)

[Omnicalc 2ProgramSpreadsheet designed to make full use of the TS2068. Up to 99 columns or 250 rows.](/computer_media/omnicalc-2/)

[On Your MarkProgramPick your favorite runner and watch eight UDG-animated racers sprint across the screen in this BASIC horse-race game with sound and flashing results.Game](/computer_media/on-your-mark/)

[Opcode Vocabulary BuilderProgramA randomized quiz on Z-80 CPU opcodes and architecture challenges you to name registers, flags, addressing modes, and instructions from detailed text clues.Education](/computer_media/opcode-vocabulary-builder/)

[OpusProgramTwenty custom bitmap tiles assemble into a single composite of Opus the Penguin, the character from Bloom County.Demo](/computer_media/opus/)

[OrbiterProgramPredict when polar-orbiting weather satellites will pass overhead, complete with azimuth and elevation data for aiming your antenna at each incoming pass.Astronomy, Science](/computer_media/orbiter/)

[OS-64 Utilities #1ProgramCollection of utilities for use with OS-64 cartridge.Utility](/computer_media/os-64-utilities-1/)

[OSC-10CProgramTrack the OSCAR 10 amateur satellite in real time with this BASIC orbital propagator that plots world maps, computes azimuth and elevation, and displays phase and range data.](/computer_media/osc-10c/)

[OSCAR-TENProgramA complete OSCAR-10 satellite tracker that plots world maps, calculates Doppler shifts, and displays live azimuth/elevation for 18 cities worldwide.Ham Radio](/computer_media/oscar-ten/)

[OUAH! Sound ExampleProgramA Byte Power demo fires up the AY sound chip with a single SOUND statement, then silences it on a keypress — minimal code, maximum bark.Sound](/computer_media/ouah-sound-example/)

[Out MusicProgramA 18-note melody blasted directly through PSG chip registers using OUT commands — pitch, duration, and two-channel harmony packed into a compact DATA table.Sound](/computer_media/out-music/)

[OverDemoProgramEnter a line count and toggle OVER mode to draw radial spoke patterns that can either build up or cancel themselves out on screen.Art, Demo](/computer_media/overdemo/)

[OverDemo2ProgramA mesmerizing random-line drawing program that pairs every stroke with a pitch-varying beep, using XOR pixel mode for an ever-shifting interference pattern.Art, Demo](/computer_media/overdemo2/)

[OVERS 1ProgramSee what happens when two characters share the same screen cell — this interactive tool visually demonstrates XOR overlay printing with instant labeled results.Demo](/computer_media/overs-1/)

[Pablo PixeloProgramDesign custom 8×8 pixel characters, pack them into pictures, and watch a self-verifying machine code routine power a "Big-Bits" display feature in this complete UDG toolkit.Art, User Defined Graphics](/computer_media/pablo-pixelo/)

[Pac ManProgramA Pac-Man clone with custom UDG sprites, a procedurally drawn nested maze, pursuing enemy AI, and a persistent high-score name entry — all in BASIC.Arcade, Game](/computer_media/pac-man/)

[PachizeeProgramClassic race-and-chase board game for 2 to 4 players, with the objective of moving all four of your pawns from the "nest" to the central home space before opponents doGame](/computer_media/pachizee/)

[PAINTsincProgramA complete pixel-art drawing program with ten drawing modes, joystick support, flood fill, scalable copy, and attribute-level color control packed into one BASIC listing.Art, Graphics](/computer_media/paintsinc/)

[PairsProgramCan you match all ten hidden picture pairs in as few guesses as possible — this BASIC memory game uses dynamically swapped UDGs to render high-resolution images.Game](/computer_media/pairs/)

[PangolinsProgramA self-learning animal guessing game that grows its own binary decision tree at runtime — teach it new creatures one wrong guess at a time.Game](/computer_media/pangolins/)

[ParakeetProgramA self-looping generative sound program that drives the AY-3-8912 chip through random frequency sweeps, noise bursts, and probabilistic pauses to create endless ambient tones.Music](/computer_media/parakeet/)

[ParanoidProgramThis game is quite simple all you have to do is to repeat what the computer does. The key are in this game [1],[2],[3] and[4] accordingly with the square you are pressing.Game](/computer_media/paranoid/)

[ParchisiProgramA fully playable four-player Parcheesi board game with computer opponents, custom pawn graphics, and hex-encoded board paths packed into BASIC strings.Game](/computer_media/parchisi/)

[PatternsProgramDraw a 16×16 pixel pattern, watch it spin through four rotations encoded as UDGs, then scroll it freely around the screen.Graphics](/computer_media/patterns-3/)

[Patterns 2ProgramTwo mesmerizing pattern modes — randomized diagonal line fills and symmetrically mirrored pixel scatter — cycle through colors in this hypnotic display generator.Art, Demo](/computer_media/patterns-2/)

[PC-Draw v3.0ProgramA multi-component PCB artwork design system that drives parallel printer interfaces to produce photo-ready circuit board negatives, with configurable driver POKEs for five interface types.Electronics](/computer_media/pc-draw-v3-0/)

[PCB AidProgramDesign printed circuit boards to any length: this BASIC program generates a scaled dot-grid template complete with custom UDG characters and a printer-ready layout.Electronics](/computer_media/pcb-aid/)

[PeaceProgramA multi-mode sticker generator that combines custom UDG artwork with printer output to produce peace-dove graphics or personalized address labels.Demo](/computer_media/peace/)

[PenetratorProgramHigh-speed arcade-type game in which you fly your ship over hills and through tunnels to bomb the enemy base without getting shot down.](/computer_media/pentrator/)

[PenetratorCartridgeHigh-speed arcade-type game in which you fly your ship over hills and through tunnels to bomb the enemy base without getting shot down.](/computer_media/penetrator/)

[PerimipicsProgramDraw a picture tile-by-tile using cursor keys or joystick, then watch it compress into nine reusable user-defined graphic characters automatically.Art, Graphics](/computer_media/perimipics/)

[Perpetual Calendar 2068ProgramEnter any month and year from 1583 onward and watch a graphically drawn monthly calendar grid appear, fully calculated using Zeller's Congruence arithmetic.Calendar](/computer_media/perpetual-calendar-2068/)

[Personal Home FinanceProgramA comprehensive financial toolkit covering simple interest, loan payoff, compound growth under five compounding frequencies, present value, and net present value — all with built-in input validation and an illustrated instruction module.Finance, Home](/computer_media/personal-home-finance/)

[Personal Net WorthProgramTrack your complete financial picture by entering assets and liabilities across 27 categories, then watch a formatted net worth statement print out automatically.Finance](/computer_media/personal-net-worth/)

[Personal Portfolio ManagerProgramA full-featured stock portfolio tracker that handles purchases, sales, price updates, and gain/loss reports across up to 50 holdings with cassette tape file storage.Stocks](/computer_media/personal-portfolio-manager/)

[Personal SecretaryProgramA split-screen personal organiser from that combines a computed monthly calendar, an appointment diary, a searchable phone book, and mailing-label printing in one BASIC program.Business, Home](/computer_media/personal-secretary/)

[Phone BookProgramA tape-based phone book that packs 250 contacts into a fixed-width string array and saves entry counts to a clever two-byte machine address on tape.Home](/computer_media/phone-book/)

[Phoneme EditorProgramA full-screen phoneme sequence editor drives a speech synthesis peripheral, letting you compose, insert, delete, replace, and speak phoneme strings stored directly in RAM.Speech Synthesis](/computer_media/phoneme-editor/)

[PianoProgramA playable piano simulator with custom UDG key graphics, three octave modes, and nine adjustable note durations—all driven by a single BEEP command per keypress.Education, Music](/computer_media/piano/)

[Pie ChartProgramA fully interactive pie chart generator that pulls individual slices, labels them with trigonometry, and relies on TASWIDE for wide text output.Business, Graphics](/computer_media/pie-chart-2/)

[Pie ChartProgramAn interactive pie chart generator that draws trigonometric slices from user-supplied percentages, then lets you add labels and a centered title.Graphics](/computer_media/pie-chart/)

[PieChartProgramA polar-coordinate pie chart renderer that uses dot density and angle ranges stored in DATA lines to fill wedges with evenly spaced points.Business, Graphics](/computer_media/piechart/)

[PinballProgramHigh-scoring, fast-paced pinball game includes shooting the ball, bumper action, nudge for those good bounces and flip-action flippers.Game](/computer_media/pinball-2/)

[PipelineProgramA two-player pipe-laying strategy game with a built-in AI opponent, three pipe shapes drawn with PLOT/DRAW, and a machine code BASIC flow-tracer hidden in its own listing.Game, Strategy](/computer_media/pipeline/)

[Pix FixProgramA two-mode pixel art editor with machine code routines handles drawing, erasing, screen panning, tape save/load, and even partial-screen saves in three sizes.Art, Graphics](/computer_media/pix-fix/)

[Pix-FXProgramA multi-effect screen image editor that wraps pictures around a globe, shifts perspective, and merges screens using powerful machine code routines called from a tidy BASIC menu.Graphics](/computer_media/pix-fx/)

[Pixel Print Desktop Publisher v1ProgramA desktop publishing suite for newsletter creation supporting columnar text import from Tasword, type scaling up to 32 times standard width, and four built-in fonts with optional expansion via the Font Package accessory tape.Desktop Publishing](/computer_media/pixel-print-v1/)

[Pixel Print Font Utility Package 1ProgramA three-part font design suite lets you build, edit, and download custom pixel-print character sets directly to a dot-matrix printer using an interactive grid editor.Desktop Publishing, Font, Utility](/computer_media/pixel-print-font-utility-package-1/)

[Pixel Print GraphicsProgramGraphics for use with Pixel Print.Desktop Publishing](/computer_media/pixel-print-graphics/)

[Pixel Print PLUS!ProgramDesktop publishing program, WYSIWYG (what you see is what you get).Desktop Publishing](/computer_media/pixel-print-plus/)

[Pixel Sketch and Graphic EditorProgramA comprehensive pixel art and graphic editor with machine code acceleration, three video modes, joystick navigation, and over a dozen drawing and manipulation tools packed into one program.Graphics](/computer_media/pixel-sketch-and-graphic-editor/)

[PixelPrintProgramA machine code routine lets you place text strings at any pixel position on screen, with independent x and y displacement between characters for diagonal or scrolling effects.Demo, Programming](/computer_media/pixelprint/)

[Planet Ephemeris 2068ProgramA full solar system ephemeris program computes planetary positions, sidereal time, and zodiac coordinates for any date across five centuries of history and future.Astronomy](/computer_media/planet-ephemeris-2068/)

[Planet FinderProgramCalculate where any planet, the Sun, or the Moon sits among the zodiac constellations for any date, then see it plotted on a schematic star chart.Astronomy](/computer_media/planet-finder-2/)

[Planet FinderProgramCollection of astronomical images and information.Astronomy](/computer_media/planet-finder/)

[PlotProgramEnter axis ranges and data, then watch this BASIC plotter render a scaled XY chart complete with tick marks, connected line segments, and a rotated vertical Y-axis label.Demo, Graphics](/computer_media/plot/)

[Plot demoProgramA hidden-line 3D surface plotter with optional crosshatching, ported from a BBS download, uses a horizon-array technique to suppress depth-obscured lines.Demo](/computer_media/plot-demo/)

[PlotterProgramA cursor-driven freehand plotter lets you draw, erase, and annotate the high-resolution screen with keyboard controls, then save or print your artwork.Art, Graphics](/computer_media/plotter/)

[Plukkers HuntProgramGame](/computer_media/plukkers-hunt/)

[PoetryProgramA random poetry generator that picks words from fifteen thematic lists and assembles them into moody, surreal four-line verses — generating a fresh poem every few seconds.Entertainment](/computer_media/poetry/)

[Poetry 2ProgramA random-poetry generator assembles surreal free verse from themed word lists, producing a new poem each time with subjects ranging from prophets to robots and mutants.Entertainment](/computer_media/poetry2/)

[Point Of Sale Cash RegisterProgramA full-featured point-of-sale cash register program with binary search, Shell sort, receipt printing, tax calculation, and tape-based inventory storage.Business](/computer_media/point-of-sale-cash-register/)

[PokerProgramA fully playable five-card draw poker game pits you against a bluffing computer dealer, complete with betting, drawing, hand evaluation, and a watch-pawning emergency fund.Card Game, Game](/computer_media/poker/)

[PokerProgramA fully featured draw poker game with custom card graphics, a computerised opponent that reasons about its hand, and a complete betting system — all in BASIC.Card Game, Game](/computer_media/poker-3/)

[Poker 2ProgramA complete draw poker game where you bet against the computer, with shuffling, hand evaluation, card drawing logic, and a full betting system packed into BASIC.Card Game, Game](/computer_media/poker-2/)

[PolygonsProgramWatch every polygon from 4 to 20 sides fill with all possible diagonals, each one computed and drawn with a neat combinatorial formula on screen.Demo](/computer_media/polygons/)

[PontoonProgramPontoon game with UDG-drawn playing cards — rounded box-frame cards displaying suit symbols and face values — and a running cash balance against a randomly resolved dealer hand.Game](/computer_media/pontoon/)

[PopeyeCartridgeImplementation of the arcade game.Game](/computer_media/popeye/)

[Prelude by ChopinProgramA BASIC program plays Chopin's Prelude through a three-channel sound chip, with adjustable tempo and continuous-loop options driven by hundreds of register values.Music](/computer_media/prelude-by-chopin/)

[Print and Copy IBMProgramA program to support printing on the Okimate 20 printer.](/computer_media/print-and-copy-ibm/)

[Printer DriverProgramA parallel printer port installer that patches system channel tables, loads multiple machine code screen-dump routines, and walks you through every configuration option step by step.Printer](/computer_media/printer-driver/)

[ProFile +5ProgramA full-featured BASIC database manager with Boolean search, a built-in screen editor, machine code sorting, and tape-based CODE block file storage for multi-field records.Database](/computer_media/profile-5-2/)

[ProFile 2068ProgramDatabase](/computer_media/profile-2068/)

[Profile 2068 AROSProgramProgram to copy Profile 2068 to non-volatile RAM in the cartridge slot. Type LOAD “” and follow prompts. Contents:Database](/computer_media/profile-2068-aros/)

[ProFile 2068 AROSCartridgeMachine language information storage and retrieval database for the 2068, configured specifically to run as a cartridge.Database](/computer_media/profile-2068-aros-2/)

[ProFile with Machine CodeProgramA full-featured flat-file database with a custom screen editor, machine code search routines, formatted printing, and tape load/save — all in BASIC.Database](/computer_media/profile-5/)

[Program ChecksumProgramThis BASIC line-checker walks every program line in RAM, computing and printing a per-line checksum that could reveal tampering or corruption.Utility](/computer_media/linecheck/)

[Programming Techniques for the Timex Sinclair TS 2068ProgramA showcase of screen animation techniques — teletype reveals, sprite movement, curtain effects, scrolling messages, and a dramatic blackout transition — all demonstrated in BASIC.Demo, Programming](/computer_media/programming-techniques-for-the-timex-sinclair-ts-2068/)

[Programming ToolsProgramFour machine code utilities — auto line numbering, a step tracer, a custom function key, and user-defined keys — packed into a single BASIC loader using IM2 interrupts.Programming](/computer_media/im2/)

[ProPinballCartridge](/computer_media/propinball/)

[Proportional PrintingProgramA self-building proportional text engine that compresses ROM fonts on the fly and patches the LPRINT channel to render neatly spaced characters on screen.Demo, Printer](/computer_media/wesppp/)

[PSG RegisterProgramAn interactive PSG register editor that reads, displays, and writes all 15 sound chip registers live — showing binary and decimal values simultaneously.Sound](/computer_media/psg-register/)

[PsychicProgramA self-working letter-finding trick that uses matrix transposition to "psychically" home in on any letter the user secretly selects from a shuffled grid.Game](/computer_media/psychic/)

[Q and AProgramA customizable quiz game that randomizes question order, scores two attempts per question, and gives letter-hint clues before revealing the answer.Game](/computer_media/q-and-a/)

[Q.E.D. (Quick Editing Device)ProgramSimple text editor with the ability to print mailing labels.Word Processor](/computer_media/q-e-d-quick-editing-device/)

[QberProgramGame](/computer_media/qber/)

[QBertCartridgeGuide your hero diagonally across a hazardous board, collecting eggs and dodging two enemies, in this faithful arcade conversion with joystick support and a high-score table.Arcade, Game](/computer_media/qbert-2/)

[QBertCartridgeA port of the 1982 Gottlieb arcade game, with a color-cycling isometric pyramid, UDG characters for Q*Bert and enemies, and all the classic hazards intact.Arcade, Game](/computer_media/qbert/)

[QRLProgramA compact RLE graphics manager with machine code encode, decode, invert, and wipe routines lets you store, load, and manipulate compressed screen images from cassette.Graphics](/computer_media/qrlfor2068/)

[Quadra ChartProgramA four-window business charting suite that renders bar, pie, line-pie, and line charts side by side, with machine-code screen-buffer swapping for instant window switching.Business, Graphics](/computer_media/quadra-chart/)

[QuestProgramA full 42-location pirate treasure hunt where the map is encoded in a compact DATA table and a roaming antagonist can snatch your hard-won loot.Game](/computer_media/quest/)

[Question & Answer Test GeneratorProgramA self-contained quiz authoring tool that lets you type questions and answers, saves them to tape, then tests you with hints and a two-attempt scoring system.Education](/computer_media/question-answer-test-generator/)

[QuizmasterProgramBuild your own quiz, get hints when you're stuck, and earn bonus points for first-try answers — then save the whole thing as a standalone program.Education](/computer_media/quizmaster-2/)

[QuizmasterProgramA 25-question randomized quiz engine covering literature, Z80 mnemonics, and movies challenges your exact-spelling recall across multiple subject areas.Education](/computer_media/quizmaster/)

[QuizomaniaProgramQuiz on the Presidents of the United States, countries of the world and their capitals, or states of America (also provinces of Canada) and their capitals.Game](/computer_media/quizomania/)

[R-Header 2068ProgramThis cassette header reader decodes all four tape file types—program, numeric array, string array, and bytes block—straight from raw header data with a 31-byte machine code loader.Utility](/computer_media/r-header-2068/)

[RacerProgramPick your racer, place your bet, and watch nine competitors sprint across the screen in this BASIC racing game with UDG sprites, sound effects, and a world-record timer.Game](/computer_media/racer/)

[RamdizkProgramA compact machine code RAM disk utility loads at a fixed address and activates with a single RANDOMIZE USR command.Utility](/computer_media/ramdizk/)

[Random ColorsProgram](/computer_media/random-colors/)

[Random FanProgramA mesmerising animated fan pattern traces lines between opposite perimeter points with randomised colours, using a hand-rolled vector line-drawing routine instead of DRAW.Demo, Graphics](/computer_media/random-fan/)

[Read & SpellProgramA memory-training spelling game that flashes a phrase, hides it, then checks your typed answer — with a subtle string-comparison trick buried in the logic.Education](/computer_media/read-spell/)

[Read and SpellProgramA deceptively simple reading-and-spelling quiz picks a random phrase, times how long you see it, then checks your typed answer with a subtle first-character loophole.Education](/computer_media/read-and-spell/)

[Real Echo ExampleProgramA two-voice echo music player for that staggers the same melody across two SOUND channels to simulate a real acoustic echo effect.Sound](/computer_media/real-echo-example/)

[Records 1ProgramA five-field song search engine that scans hundreds of LP catalog entries, prints matching album details, and even survives tape MERGE operations with clever memory tricks.Database](/computer_media/records-1/)

[Records 2ProgramA multi-keyword record collection search tool that prints full album details, survives tape-based data swaps, and covers dozens of labeled LP catalogs.Database](/computer_media/records-2/)

[Relocatable AERCO Driver V4ProgramA full-featured configuration utility that customizes an 800-byte relocatable machine code print driver for eight different dot-matrix printers without touching a single assembler.Printer](/computer_media/relocatable-aerco-driver-v4/)

[RelocateProgramA BASIC-driven Z80 machine code relocator that copies a routine to a new RAM address and automatically patches embedded absolute jump and call targets.Programming](/computer_media/relocate/)

[RelocateProgramA hands-on BASIC loader that builds a 12-byte Z80 block-copy routine in memory, letting you permanently relocate machine code above RAMTOP with a single USR call.Programming](/computer_media/relocate-2/)

[RenumProgramA two-pass BASIC renumbering utility that patches both line headers and embedded floating-point GO TO targets directly in memory — no ROM calls needed.Renumber, Utility](/computer_media/renum/)

[RENUM63000ProgramProgram will RENUMBER almost any BASIC program. It will renumber GOTO, GOSUB, RESTORE, RUN, LIST, etc.Utility](/computer_media/renum63000/)

[RenumberProgramA memory-poking BASIC renumberer lets you reassign a chosen range of program lines to a new start number and step, all without any machine code.Renumber, Utility](/computer_media/renumber/)

[RenumberProgramA machine code renumbering utility packed into hex DATA strings rewrites every GOTO, GOSUB, and RESTORE target across your entire BASIC program automatically.Programming](/computer_media/renumber-2/)

[RenumberProgramA Z80 machine code renumbering utility packed into 48 hex DATA strings rewrites every GO TO, GO SUB, and RESTORE reference throughout your BASIC program automatically.Programming, Utility](/computer_media/renumber-3/)

[Renumber 1ProgramA machine-code-powered BASIC renumbering tool lets you reassign line numbers across a range, prompting for start, step, and stop values with surgical precision.Renumber, Utility](/computer_media/renumber1/)

[Renumber 2ProgramA direct-memory BASIC renumbering tool that rewrites line numbers in place using PEEK and POKE on the program's own stored structure.Renumber, Utility](/computer_media/renumber2/)

[RESISTORProgramDial in any four-band resistor's color code with this interactive decoder that calculates resistance, preferred E12 values, and tolerance in real time.Electronics](/computer_media/resistor/)

[Return Of The Jedi - Death Star BattleCartridge](/computer_media/return-of-the-jedi-death-star-battle/)

[RifleProgramA scrolling shooting gallery game with machine code effects, six escalating target rounds, UDG sprites, and a bubble-sort high-score table tracking the top five players.Game](/computer_media/rifle/)

[Rifle RangeProgramShoot scrolling UDG targets with a moving gun in this arcade-style gallery game featuring machine code routines, six target types, and a persistent high-score table.Game](/computer_media/rifle-range/)

[RiskProgramA compact flood-risk calculator uses a classic probability formula to determine how likely a once-in-a-century event is to strike within any chosen time window.Engineering](/computer_media/risk/)

[RNDProgramA generative noise machine that fires random values into 14 sound parameters across 1,000 loops, creating an ever-changing wall of electronic sound.Music](/computer_media/rnd/)

[Roberts Labs BBSProgramA fully functional modem-driven bulletin board system with machine code I/O routines, multi-message storage, sysop chat, and tape-based message persistence.BBS](/computer_media/roberts-labs-bbs/)

[RobotProgramSave the Earth from the invading Robots. There are many generations of robot, each one is faster, more powerful and in greater number than the last.Game](/computer_media/robot/)

[Robot InvasionProgramA Space Invaders-style shooter with machine code routines, custom UDG sprites, and escalating difficulty — all packed into a tight BASIC game loop.Arcade, Game](/computer_media/robot-invasion/)

[RocketsProgramA countdown of flashing borders and beeps precedes an ASCII rocket launch, then random stars scatter across the screen in celebration.Demo](/computer_media/rockets/)

[ROM CheckProgramA ROM diagnostic tool verifies memory integrity and floating-point accuracy using byte-sum checksums and deliberate arithmetic rounding-error accumulation tests.Utility](/computer_media/romcheck/)

[RomeoTProgramA carnival weight-guessing game hides a remarkable self-listing routine that decodes its own tokenized BASIC and renders each keyword as hand-drawn letterforms on screen.Game](/computer_media/romeot/)

[Rotating PyramidProgramA 36-frame rotating 3D pyramid with hidden-line removal, perspective projection, and pre-computed animation frames played back from a single large array.Demo, Mathematics](/computer_media/rotating-pyramid/)

[RSLOADProgramA joystick-driven text-stamping tool that lets you position, color, and print any string anywhere on screen — then save or load the result.Art, Graphics](/computer_media/rsload/)

[RubicCubeProgramA fully interactive Rubik's Cube simulator with face rotation, scrambling, move recording, and tape save/load — complete with custom block graphics for the cubies.Game](/computer_media/rubiccube/)

[rWP32ROMROM, Word Processor](/computer_media/rwp32/)

[Saddle CosineProgramWatch a 3D saddle-shaped surface animate across four stored screen pages, driven by Z80 machine code block-copy routines and perspective projection math.Graphics](/computer_media/saddle-cosine/)

[Saddle Cosine 1ProgramA morphing 3D saddle-cosine surface rendered with perspective projection, using Z80 LDIR machine code to page display-file snapshots in and out of RAM.Demo, Graphics](/computer_media/saddle-cosine-1/)

[SantaProgramGuide Santa through five increasingly difficult stages — blizzard, rooftop drop, chimney lift, snowball dodge, and sleigh launch — in this fully configurable multi-stage arcade game.Game, Holiday](/computer_media/santa/)

[Santa-CProgramA self-contained animated Christmas card plays holiday music, scrolls a UDG-drawn sleigh across the sky, and flashes a greeting — all in one compact BASIC program.Animation, Holiday](/computer_media/santa-2/)

[Santa's DilemmaProgramGuide Santa with cursor keys to herd eight escaped reindeer into their pen before time runs out — with attribute-based collision detection and a BEEP carol.Game, Holiday](/computer_media/santas-dilemma/)

[Satellite OrbitsProgramA real-time satellite tracker that plots orbital ground tracks, computes azimuth and elevation for your location, and calculates Doppler-shifted beacon frequencies for over a dozen named satellites.Science](/computer_media/satellite-orbits/)

[Saturn LanderProgramGuide a spacecraft down through Saturn's rings and land safely on the rocky surface — this BASIC lander game packs machine code routines, UDG graphics, and pixel-perfect collision detection.Arcade, Game](/computer_media/saturn/)

[SaucersProgramGuide a crosshair, fire at descending alien saucers, and prevent ten landings before the invaders build their city and doom mankind to become toothpicks.Arcade](/computer_media/saucers-2/)

[SaucersProgramPilot a crosshair cursor across a defended landscape and blast alien saucers before they land ten times and build a city on Earth.Arcade, Game](/computer_media/saucers/)

[SaverProgramLoad any tape header and instantly get a ready-to-use SAVE command back — this utility decodes file type, name, length, and start address automatically.Utility](/computer_media/saver/)

[ScrabbleProgramA fully playable Scrabble implementation pits up to three human players against a computer opponent, with a color-coded bonus-square board and cumulative score tracking across multiple games.Game](/computer_media/scrabble/)

[ScrambleProgramType in any 3–7 letter word and this BASIC program systematically generates every possible permutation, with factorial counts and real-time progress on screen.Entertainment](/computer_media/scramble/)

[Screen CompactorProgramCompress screens and store more screens in memory.Utility](/computer_media/screen-compactor/)

[Screen Layout ExaminationProgramEnter any byte value and watch it fill every pixel and every colour cell on screen — a hands-on tool for understanding display memory layout.Demo](/computer_media/screen-layout-examination/)

[Screen-CalcProgramA fully featured BASIC spreadsheet with formula functions, conditional logic, column insert/delete, tape save/load, and hardcopy printing — all in one self-contained program.Spreadsheet](/computer_media/screen-calc/)

[ScrollProgramTwo Z80 machine code routines deliver a smooth left-and-right pixel scroll across a full screen of text — no flicker, pure bit-shifting magic.Demo](/computer_media/scroll/)

[ScrollProgramA 98-byte Z80 machine code routine POKEd into high memory delivers smooth upward screen scrolling — and the REM block hints at adapting it for all four directions.Programming](/computer_media/scroll-2/)

[ScrollsProgramTwo machine code routines scroll the entire screen left and right at the byte level, plus a bonus demo cycling through all 255 hardware pixel-scroll positions.Programming](/computer_media/scrolls-2/)

[ScrollsProgramEight BASIC scroll routines — up, down, left, right, each with and without wrap — all driven by clever single-string manipulation of a 704-character display buffer.Demo](/computer_media/scrolls/)

[Scuba DiverProgramCollect as many pieces of the treasure as you can in a sunken ship… But be careful not to run out of air!Game](/computer_media/scuba-diver/)

[Sea RaiderProgramDefend against an enemy ship crossing the screen — fire missiles before time runs out and rack up points in this BASIC shooting gallery game.Game](/computer_media/sea-raider/)

[SEND VARSProgramA modem utility that hides and restores BASIC variables and machine code by embedding callable routines directly inside a REM statement for over-the-wire transfer.Utility](/computer_media/send-vars/)

[SetypeProgramThis clever font utility installs 80 bytes of machine code to let any BASIC program switch between Regular, Bold, Modern, and Italic type styles with a single GOSUB call.Font](/computer_media/setype/)

[Shaded GlobeProgramThree lines of BASIC conjure a realistically shaded 3D globe using trigonometry, a hidden-surface test, and probabilistic lighting math.Demo](/computer_media/shaded-globe/)

[Shadow Of The UnicornProgram](/computer_media/shadow-of-the-unicorn/)

[Sheep Dog TrialsProgramGuide your sheepdog through four increasingly complex stages, herding sheep past ponds, fences, and obstacles — all driven by SCREEN$-based collision detection.Game](/computer_media/sheep-dog/)

[Ships AttackProgramFour color-coded bombs rain down at ever-increasing speed — dodge them all with just two keys and watch the difficulty suddenly double at 25 points.Game](/computer_media/ships-attack/)

[ShooterProgramIn 2986, you are launched into deep space on a equipped with the most powerful computer known on Earth, a TS2068.Game](/computer_media/shooter/)

[Shooting TilesProgramA clever pixel-scanning routine reads a text banner and "shoots" each lit pixel down the screen with sound effects, creating a unique animated title display.Demo](/computer_media/shootingtiles/)

[ShowdownProgramA two-player gunfighter duel loads a hex-encoded machine code routine, verifies it with a checksum, and then lets both players battle it out with custom sprites.Game](/computer_media/showdown/)

[SidescrollProgramA pure-BASIC scrolling ticker that slides any long string across a single screen row, showcasing just how fast substring printing can be.Demo](/computer_media/sidescroll/)

[Sign DesignerProgramA full sign-making studio with text layout, border styles, graphic tile editing, and multi-printer support — all driven by a substantial machine code engine loaded from tape.Graphics](/computer_media/sign-designer/)

[Simple RouletteProgram](/computer_media/simple-roulette/)

[Simply MusicProgramA three-voice polyphonic player performs Pachelbel's Canon in D, letting you adjust soprano, alto, and bass volumes live with an on-screen bar-graph display.Music](/computer_media/simply-music/)

[Simulated Underline CursorProgramA reusable TS2068 screen-printing routine that animates each character with a flashing underscore cursor, with a two-screen demo and a pager subroutine for longer text strings.Utility](/computer_media/simulated-underline-cursor/)

[SINCUS Exchange Tape 101 - EntertainmentCassettePure fun — land on the moon, herd sheep, hunt submarines, race cricketers, eat dots as Pac-Man, and dodge alien swarms across a nighttime skyline. SINCUS Tape 101 is a deep bench of TS 2068 arcade action, card games, and sports simulations.Collection](/computer_media/sincus-exchange-tape-101-entertainment/)

[SINCUS Exchange Tape 102 - Utilities & BusinessCassetteThe workhorse tape — assemble Z80 code, manage databases, analyze statistics, cast I Ching hexagrams, balance your checkbook, and switch between four font styles. SINCUS Tape 102 turns the TS 2068 into a serious productivity machine.Collection](/computer_media/sincus-exchange-tape-102-utilities-business/)

[SINCUS Exchange Tape 103 - PotpourriCassetteA little of everything — play Battleship with adjustable AI, solve Klondike Solitaire with custom card graphics, guide Santa's reindeer into their pen, or track your stock portfolio on tape. The potpourri tape lives up to its name.Collection](/computer_media/sincus-exchange-tape-103-potpourri/)

[SINCUS fileProgramA full club membership and finance manager prints dues receipts, tracks incomes and expenses, and calculates prorated dues based on the month a member joins.Database](/computer_media/sincus-file/)

[Sine WaveProgramWatch a sine wave build point by point across the screen, with live readouts of the x and y values updating at each step.Demo](/computer_media/sine-wave-2/)

[SinewaveProgramA compact math demo plots a full sine wave with centered axes, using floating-point parametric scaling to fill the screen with a smooth trigonometric curve.Demo](/computer_media/sinewave/)

[Sky DiverProgramHow long will you wait to open your parachute? Can you land on a moving target?Game](/computer_media/sky-diver/)

[SkyplotProgramA randomised constellation quiz draws 28 star fields using UDG characters, then challenges you to name each pattern and its brightest star.Astronomy](/computer_media/skyplot-2/)

[SlantProgramFont for the TS 2068.Font](/computer_media/slant/)

[SlotProgramA full-featured one-armed bandit with animated reels, jokers, holds, a gamble round, and a double-up bonus — all driven by computed GO TO dispatch.Game](/computer_media/slot/)

[Slow MessageProgramA pixel-by-pixel double-size text scroller renders any message you type using machine code for smooth scrolling — enter your message and watch it loop forever.Banner](/computer_media/slow-message/)

[Small Screen PainterProgramUtility](/computer_media/small-screen-painter/)

[SmokeyProgramA DATA-driven melody player for "On Top of Old Smokey" with adjustable tempo, lyric display, and clever ON ERR end-of-data detection.Music](/computer_media/smokey/)

[SnakeProgramA Snake game that encodes the entire body as a string of position characters and uses a REM-embedded machine code routine to read screen cells for collision detection.Game](/computer_media/snake/)

[Snow 2ProgramEntry for the Vintage Computing Christmas Challenge 2025.Entertainment, Holiday](/computer_media/snow-2/)

[Solar/Lunar EclipsesProgramPredict every solar and lunar eclipse across four millennia using rigorous astronomical math, complete with eclipse type, magnitude, and GMT contact times.Astronomy](/computer_media/solar-lunar-eclipses/)

[SolitaireProgramA fully playable Klondike Solitaire implementation with custom card graphics, a shuffled 52-card deck, three-card waste pile dealing, and win/loss tracking across sessions.Card Game, Game](/computer_media/solitaire/)

[SolitaireProgramPeg Solitaire puzzle on a 7×9 coordinate grid — jump pieces to clear the board, leaving one piece in the center.Game](/computer_media/solitaire-2/)

[Sort DemoProgramFour classic sorting algorithms — Bubble, Selection, Shell, and Quicksort — head-to-head in one program, letting you compare their performance on randomly generated arrays.Demo, Programming](/computer_media/sort-demo/)

[SoundProgramA single SOUND command fires up all three tone channels of the AY chip at once, producing a chord that plays until you press a key.Sound](/computer_media/sound/)

[Sound EffectsProgramA six-option sound demo lets you trigger bomb, gunshot, and explosion effects, play "America the Beautiful," or perform on a fully interactive on-screen piano keyboard.Sound](/computer_media/sound-effects/)

[Sound ExperimentorProgramInteractively explore all 14 registers of a programmable sound chip with a full-screen editor, live waveform display, and real-time audio output.Sound](/computer_media/sound-experimentor/)

[Sound ProProgramAn interactive AY sound chip programmer lets you set every register, build multi-step sequences, and play back timed soundscapes — all from a menu-driven interface.Sound](/computer_media/sound-pro/)

[Sound ScannerProgramPlug in audio, pick a graph style, and watch live waveforms appear on screen — this BASIC program samples your tape input using a custom machine code routine.Sound](/computer_media/scanner/)

[Soundesign 2068ProgramExplore all 14 registers of a programmable sound chip interactively, audition nine pre-recorded effects, and watch animated BASIC code generate sci-fi sounds in real time.Sound](/computer_media/soundesign/)

[Space Adventures Coloring BookProgramColoring book software with pictures of space ships, astronauts, and alien creatures.Art, Graphics](/computer_media/space-adventures-coloring-book/)

[Space RaidersCartridge](/computer_media/space-raiders/)

[Space WarProgramA two-player space duel with proximity-fused missiles, joystick control, and clever state-packing inside a string array — all in BASIC.Game](/computer_media/space-war/)

[SpacmanProgramA Pac-Man clone stores its entire maze in a string array and uses custom UDG sprites to animate a chomping character hunted by two independently moving ghosts.Arcade, Game](/computer_media/spacman/)

[Spanish Builder IProgramA two-way vocabulary quiz lets you drill word pairs in either direction, tracking which words you've already answered to avoid repeats within a round.Education, Spanish](/computer_media/spanish-builder-i/)

[Spanish Builder IIProgramA two-way vocabulary quiz lets you drill either direction through a word list, tracking each answer to avoid repeating questions within a round.Education, Spanish](/computer_media/spanish-builder-ii/)

[Spanish TutorProgramAn interactive Spanish tutor automatically conjugates any regular verb you enter and teaches suffixes, opposites, and question words with scrolling example sentences.Education, Spanish](/computer_media/spanish-tutor/)

[Special SoundProgramA tight three-voice AY chip sweep that drives harmonically spaced pitches across all tone channels before silencing itself and looping forever.Sound](/computer_media/special-sound/)

[Specterm-64 v4.0Program64 Column, Terminal](/computer_media/specterm-64-v4-0/)

[Spectral PianoProgramA fully interactive piano simulator that draws a graphical keyboard, plays chromatic notes across three octaves, and walks beginners through a multi-screen tutorial.Music](/computer_media/spectral-piano/)

[SpectraTERM 1.0Program](/computer_media/spectraterm1-0/)

[SpectraTerm 1.30ProgramSpecific for the Byte Back MD -68 modem, this terminal program features 300 baud rate, a 32K+ buffer (allows storage of data in REM statements only), auto answer.Terminal](/computer_media/spectraterm-1-30/)

[Spectrum DrawProgramA machine code art package from Your Computer gets a TS2068 conversion—with BASIC-driven parametric circles, screen save/load, and text overlay routines.Graphics](/computer_media/spectrum-draw/)

[Spectrum Emulator CodeProgramSpectrum ROM loaded at 30000 (7530h), for use with Timex/Sinclair 2068-based EPROM programmer.](/computer_media/spectrum-emulator-code/)

[Spectrum GolfProgramPlay a full 18-hole round with club selection, handicap-adjusted distances, wind effects, and terrain hazards — all rendered in character graphics with custom UDGs.Game](/computer_media/spectrum-golf/)

[Speech SynthesizerProgramA complete speech synthesizer toolkit featuring a dramatic counting demo, free-text sentence input, and a multi-library word compiler that merges speech data blocks in high memory.Speech Synthesis](/computer_media/speech-synthesizer/)

[Spell That WordProgramA 30-question spelling quiz that shuffles correct and misspelled options randomly — but two of its three difficulty levels were never finished.Education](/computer_media/spell-that-word/)

[SpellbugProgramA pixel-magnifying spelling game that renders scrambled letters as giant mosaics and lets you hunt them down with a joystick or type your answer at the keyboard.Education](/computer_media/spellbug/)

[Spelling IProgramA two-level spelling quiz that tracks your wrong answers across sessions and lets you drill exactly the words you've been missing — with easy and difficult modes.Education](/computer_media/spelling-i/)

[Spelling IIProgramA two-level spelling bee quiz that tracks your test history, lets you practice missed words, and challenges you to both spot and correct misspellings.Education](/computer_media/spelling-ii/)

[Sphere 3DProgramA parametric curve plotter stores every screen coordinate as packed characters, then redraws the Lissajous-style figure instantly from its own memory buffer.Demo](/computer_media/sphere-3d/)

[SpiderProgramGuide a spider through three increasingly tricky stages — plughole, bath, and bathroom — using pixel-perfect collision detection and procedurally generated obstacles.Game](/computer_media/spider/)

[Spin The BottleProgramA party game simulation for up to 20 players that spins a virtual bottle, pairs opposite-sex players for forfeits, and removes eliminated players by compacting its own arrays.Game](/computer_media/spin-the-bottle/)

[SpiralProgramA pure-BASIC geometric spiral built from trigonometric rotation and scaling draws an intricate hexagonal pattern — ported from Apple II code published in Creative Computing, February 1984.Demo](/computer_media/spiral/)

[SpookyProgramFont for the TS 2068.Font](/computer_media/spooky/)

[Spreadsheet IIProgramFaster, improved version of ‘JUST ANOTHER SPREADSHEET!’ with more file space.Spreadsheet](/computer_media/spreadsheet-ii/)

[SpriteProgramA self-installing Z80 sprite engine with checksum protection loads into high RAM, controllable with a single USR call or a POKE to disable it.Demo](/computer_media/sprite/)

[Sprite 2ProgramA BASIC loader installs a self-verifying machine code sprite engine that hooks the interrupt vector, animating graphics automatically while humorous fake copyright strings scroll by.Demo](/computer_media/sprite-2/)

[Sprites 2068ProgramA complete sprite animation toolkit with a built-in UDG editor, machine code movement engine, and self-shortening save routine — all packed into one BASIC program.Graphics, Programming, User Defined Graphics](/computer_media/sprites-2068/)

[Square Wave GraphProgramA sine wave clipped into a square wave is graphed live on-screen, complete with labelled voltage axis and real-time readouts updating with every plotted point.Demo](/computer_media/squarewavegraph/)

[SquawtimeProgramA five-item recipe menu packed with Texas humor, complete with UDG graphics, trig-drawn arcs, and a "Pecan Diet Loaf" that requires tweezers to eat.Home](/computer_media/squawtime/)

[SquirmProgramA two-player worm-racing game where joystick-guided snakes compete to eat numbered food tokens and outlast each other on a bordered arena.Game](/computer_media/squirm/)

[SRS2000 Speech Recognition SystemProgramA speech recognition system that captures voiceprints, matches spoken words against stored samples, and displays a real-time frequency spectrum—all driven by machine code called from BASIC.Speech Recognition](/computer_media/srs2000-speech-recognition-system/)

[Star BlastProgramBlast scrolling star fields with a custom-drawn cannon in this joystick-controlled space shooter that gets faster and more crowded with every wave.Arcade, Game](/computer_media/star-blast/)

[Star Spangled BannerProgramA patriotic flag display paired with a fully playable national anthem uses clever UDG stars, block-graphic stripes, and an error-trap trick to signal end-of-song.Music](/computer_media/star-spangled-banner/)

[Star TrekProgramA fully playable Star Trek game with custom sprite graphics, synthesized sound effects, procedural galaxy generation, and a mid-game save feature awaits your command.Game](/computer_media/star-trek/)

[Star Wars - The Arcade GameCartridgeGame](/computer_media/star-wars-the-arcade-game/)

[StarfireProgramCommand the destroyer Starfire across a 10×10 galaxy, hunting Xtardan enemies through combat, docking, time portals, and asteroid fields in this full-featured space strategy game.Game](/computer_media/starfire/)

[Starfleet 2068ProgramCommand a starship against waves of enemy vessels in this space combat game featuring dual navigation and tactical screens, machine code fast-copy routines, and rank-based difficulty scaling.Game](/computer_media/starfleet-2068/)

[States & CapitalsCartridgeA 50-question geography quiz on U.S. states and capitals that draws map location markers and tracks first-try, second-try, and incorrect answers separately.Education](/computer_media/states-capitals/)

[States & CapitalsProgramA 50-question geography quiz on U.S. states and capitals that draws map location markers and tracks first-try, second-try, and incorrect answers separately.Education](/computer_media/states-capitals-2/)

[States And CapitalsProgramA two-mode U.S. states-and-capitals quiz that tracks which questions have been asked, gives letter hints on wrong answers, and plays a reward melody for correct ones.Education](/computer_media/states-and-capitals/)

[Statistical AnalysisProgramA comprehensive two-variable statistics package — means, SD, t-test, regression, correlation, and bar charts — packed into a single BASIC program with a built-in instruction manual.Mathematics](/computer_media/statistical-analysis/)

[Stock ExchangeProgramStart with $10,000 and trade five stocks over weekly rounds, watching for dividends and splits in this BASIC market simulation.Game](/computer_media/stock-exchange/)

[Streams and ChannelsProgramPeek inside the streams and channels tables live in RAM — this diagnostic tool decodes every address, routine pointer, and device specifier byte on screen.Programming, Utility](/computer_media/lprint/)

[SubmarineProgramHunt an invisible enemy submarine with depth charges, sonar pings, and evasive maneuvers — all while the sub fires back at you.Game](/computer_media/submarine/)

[Super MarblesProgramA BASIC loader for a machine code marble game, with built-in screen save/load utilities and a clever self-locating bootstrap sequence.Game](/computer_media/super-marbles/)

[Super TrekProgramA port of the 1970s mainframe Super Star Trek, adding Romulan warships, UDG sprites for all objects, and AY chip sound effects to the classic eight-command gameplay.Game](/computer_media/super-trek/)

[Super-Cipher 2068 V2.2ProgramA password-driven cipher program encodes and decodes secret messages using modular arithmetic, with tape storage, printer support, and a self-destruct termination sequence.Entertainment](/computer_media/super-cipher-2068-v2-2/)

[Super-Cipher 2068 V3.1ProgramA password-driven cipher tool encodes and decodes secret messages using modular arithmetic, with tape save/load, printer output, and a multi-level sub-menu system.Entertainment](/computer_media/super-cipher-2068-v3-1/)

[Surface PlotProgramA wireframe 3D surface plotter renders a ripple function using perspective projection math, with hidden-line suppression and precomputed trig for smooth results.Demo, Graphics, Mathematics](/computer_media/surface-plot/)

[SwarmProgramGuide a rocket launcher crosshair across a nighttime skyline and shoot down an advancing swarm of bees before they wipe out the city's population.Arcade, Game](/computer_media/swarm/)

[SwordfightCartridge](/computer_media/swordfight/)

[TagProgramCan you catch a randomly wandering target using just four keys before it slips away again in this quick block-graphics chase game?Game](/computer_media/tag/)

[Taking StockProgramA BASIC stock portfolio tracker that saves company names and share counts to tape, then calculates current holdings value from newspaper price quotes with printer support.Finance, Stocks](/computer_media/taking-stock/)

[TankProgramEnter an elevation angle and watch your shell arc across the battlefield — but can you calculate the range before your target escapes?Game](/computer_media/tank/)

[Tape AnalyserProgramA tape analyzer utility reads cassette headers one by one and displays each file's name, type, length, and load address using a tiny embedded machine code loader.Tape, Utility](/computer_media/analyser/)

[Tape CorrectorProgramA two-recorder tape utility that loads relocatable machine code, patches internal addresses at runtime, and reconditions deteriorating cassette signals on the fly.Tape](/computer_media/tape-corrector/)

[Tape LabelProgramDesign and print a two-sided cassette tape index card, complete with bordered columns, program titles, and index numbers for up to 15 entries per side.Tape, Tape Directory](/computer_media/tape-label/)

[Tape Lister - CentronicsProgramThis tape cataloging utility reads header blocks directly from cassette, decodes all four file types, and stores up to 128 entries for printing or saving.Tape Directory](/computer_media/tape-lister-centronics/)

[Tape to Tape BackupProgramA clever 20-byte machine code routine turns the computer into a live tape signal relay, letting you duplicate cassettes with just two recorders.Tape](/computer_media/tape-to-tape-backup/)

[Tasman Interface SoftwareProgramBASIC program to configure your TASMAN printer interface.Printer, Utility](/computer_media/tasman-interface-software/)

[TaswideProgramUtility that gives output to the screen at 64 characters per line as well as the normal 32 characters per line.64 Column, Utility](/computer_media/taswide/)

[Tasword IIProgram](/computer_media/tasword-ii/)

[Tasword to Pixel PrintProgramUtility to convert Tasword files for use with Pixel Print.Desktop Publishing, Utility](/computer_media/tasword-to-pixel-print/)

[Tax 2068ProgramA complete two-part 1983 U.S. federal income tax calculator covering income, deductions, bracket lookup, credits, and final refund computation.Finance, Tax](/computer_media/tax-2068/)

[Tax PlannerProgramA dual-year tax planning tool compares your 1982 and 1983 US federal income tax side by side, walking through income, deductions, exemptions, and bracket lookups.Finance, Tax](/computer_media/tax-planner/)

[Tech-Draw 2.0ProgramHigh resolution black and white drawing utility inspired by MacPaint for the Apple Macintosh computer. For use with the Zebra Graphics Interface and Graphics Tablet.Art, Graphics](/computer_media/tech-draw-2-0/)

[Tech-Draw 2.1ProgramHigh resolution black and white drawing utility inspired by MacPaint for the Apple Macintosh computer. For use with the Zebra Graphics Interface and Graphics Tablet.Graphics](/computer_media/tech-draw-2-1/)

[Tech-Draw Junior v1.0ProgramTech-Draw was inspired by Apple’s MacPaint for the Macintosh computer. Like MacPaint, Tech-Draw works in black and white, so that what you see on your screen is what you get on your printer.Art, Graphics](/computer_media/tech-draw-junior/)

[Telephone DirectoryProgramA full-featured telephone directory application with interactive entry, alphabetical bubble sort, substring search, and hardcopy printing — all in BASIC.Database, Home](/computer_media/phone-directory/)

[TennisProgramA two-player tennis game with perspective title art, direct port keyboard reading, and UDG paddle graphics that change shape based on forehand or backhand stance.Game](/computer_media/tennis/)

[Text Editor 2000 2.2ProgramA surprisingly capable full-screen text editor that handles insert, delete, search-and-replace, justification, centering, and tape-based save/load all within a single BASIC program.Word Processor](/computer_media/text-editor-2000-2-2/)

[Text PrinterProgramA dual-mode text printing utility that rotates output sideways for the TS2040 thermal printer and pages through magazine text stored in raw memory.Utility](/computer_media/text-printer/)

[TEXTYPEProgramA full-screen text editor with search-and-replace, justified output, printer support, custom typefaces, and 21 user-defined graphics — all in pure BASIC.Word Processor](/computer_media/textype/)

[The Chess PlayerProgramChess](/computer_media/the-chessplayer/)

[The CrownProgramDelve into a multi-level dungeon to recover The Crown, fighting monsters and gathering treasure across rooms drawn dynamically from coordinate data.Arcade, Game](/computer_media/the-crown/)

[The Day You Were BornProgramA BASIC program uses Zeller's congruence and a computed GO TO trick across 1,300+ line numbers to find your birthday and star sign instantly.Entertainment](/computer_media/the-day-you-were-born/)

[The DeskProgramBusiness](/computer_media/the-desk/)

[The EndProgramShort animation of Eric and Kristian Boisvert waving.Animation](/computer_media/the-end/)

[The Old Shell GameProgramA fast-talking dealer named Tim Sinclair challenges you to track a pea under shuffling shells — can you beat the house with $10 on the line?Game](/computer_media/the-old-shell-game/)

[The Personal AccountantProgramA three-mode personal finance tool calculates loan amortizations, future values, and incremental growth—printing detailed monthly schedules to screen or printer.Finance](/computer_media/amortize/)

[The QualifierProgramEnter your down payment, monthly budget, interest rate, and loan term to instantly calculate the maximum home price you can afford.Home](/computer_media/the-qualifier/)

[The RoseProgramA fully data-driven BASIC program plays "The Rose" note by note, synchronizing split syllable lyrics with three-voice harmony chords from the AY sound chip.Music](/computer_media/the-rose/)

[Tic Tac ToeProgramA two-player Tic-Tac-Toe game with a pixel-drawn board, graphical X and O markers, running score tracking, and a final session winner summary.Game](/computer_media/tic-tac-toe/)

[Tick Tack ToeProgramA two-player number-key tic-tac-toe game with named players, score tracking across sessions, and an animated splash screen intro.Game](/computer_media/tick-tack-toe/)

[TIMACHINEProgramFloating-point BASIC compiler with the speed of an integer compiler.Compiler, Programming](/computer_media/timachine/)

[Time Series Analysis: Exponential SmoothingProgramA time-series forecasting tool that automatically finds the best exponential smoothing constant by comparing eleven alpha values against your observed data.Mathematics](/computer_media/expsmooth/)

[Time Teacher IProgramAn animated clock-face tutor teaches children to read the hour, half hour, quarter, and minutes — complete with UDG graphics, trig-positioned hands, and cheerful fanfares.Education](/computer_media/time-teacher-i/)

[Time-GateProgramArcade-style shoot-em-up.Game](/computer_media/time-gate/)

[Timex Sinclair 2068 Demo TapeCassetteA four-part keyboard tutorial, a text-command turtle-graphics interpreter, and a full 40-account monthly budget manager — all in one BASIC collection.Collection](/computer_media/timex-sinclair-2068-demo-tape/)

[Timex Sinclair Public Domain Library Tape 2001CassetteThe foundation of Tony Willing's numbered library series — play Breakout, write documents in a 64-column word processor, morph a triangle into a square with flicker-free animation, or run a complete fig-FORTH system. Fifty programs covering every category.Collection](/computer_media/timex-sinclair-public-domain-library-tape-2001/)

[Timex Sinclair Public Domain Library Tape 2003CassetteWhere music meets machine code — hear pop ballads and Latin medleys rendered in three-voice AY chip harmony, manage records with Quicksort-powered databases, copy tapes, or blast through scrolling star fields.Collection](/computer_media/timex-sinclair-public-domain-library-tape-2003/)

[Timex Sinclair Public Domain Library Tape 2004CassetteArcade-heavy and visually striking — dodge gorillas in King-Kong, herd sheep past obstacles, catch falling eggs in Kitchen Chaos, and watch a rotating 3D pyramid with hidden-line removal. Tony Willing's fourth volume brings the action.Collection](/computer_media/timex-sinclair-public-domain-library-tape-2004/)

[Tiny TurtleProgramDraw spirals, polygons, and abstract patterns with this turtle-graphics engine driven entirely by angle, step length, and an optional growth increment.Entertainment](/computer_media/tinyturtle/)

[Tips A-MProgramA sprawling alphabetical tip database covering everything from BEEP tricks to disk drives, with live demos and computed GOTO navigation built right in.Demo, Programming](/computer_media/tips-a-m/)

[Tips N-ZProgramA two-volume interactive tip database covering computing topics N through Z, packed with POKE addresses, joystick code, machine code hints, and community contacts.Demo, Programming](/computer_media/tips-n-z/)

[Title ShootProgramA clever pixel-scaling routine reads a signature from the screen's bottom edge and redraws it enlarged with a two-tone colour effect and audio feedback.Animation, Demo](/computer_media/title-shoot/)

[TomahawkProgramPilot a AH-64 Apache gunship.Arcade, Game](/computer_media/tomahawk/)

[Tomorrow Lies in Ambush!ProgramA 600-line word processor with bold printer output, tape save/load, and on-screen editing — all packed into one self-contained BASIC program with a machine code font driver.Word Processor](/computer_media/bold-tomorrow/)

[Tomorrow Lies In Ambush!ProgramA menu-driven word processor stores up to 600 lines of text with tape save/load, printer output, and a line-by-line editor — all in BASIC.Word Processor](/computer_media/tomorrow/)

[ToolkitProgramA ten-option programmer's toolkit dispatches machine code utilities for renumbering, search-and-replace, and variable analysis straight from a BASIC menu.Programming](/computer_media/toolkit-2/)

[TOOLKITProgramA four-function BASIC toolkit offers machine code-powered renumbering, REM stripping, variable listing, and number compaction — all squeezed into a single two-part tape package.Programming, Renumber, Utility](/computer_media/toolkit-3/)

[ToolkitProgramA multi-page documentation and menu system drives a four-function BASIC toolkit, with machine code routines for renumbering, REM removal, variable listing, and numeric compaction.Programming](/computer_media/toolkit/)

[Towering InfernoProgramGuide a rescue boat across the screen to catch people leaping from a burning building in this action game with UDG sprites and a detailed block-graphic backdrop.Game](/computer_media/towering-inferno/)

[Towers Of HanoiProgramGame](/computer_media/towers-of-hanoi-2/)

[TraceProgramA 700-byte machine-code trace utility that hooks into BASIC execution and displays each line number as it runs, with separate USR entry points to toggle it on and off.Utility](/computer_media/trace/)

[TracerProgramA self-contained instruction manual and tape-saver for a machine code utility that overlays live line and statement numbers onto your running BASIC programs.Utility](/computer_media/tracer-2/)

[TRACERProgramA BASIC flow tracer that injects Z80 machine code to walk your program's GOTO, GOSUB, and IF…THEN branches, displaying the full execution path line by line.Programming](/computer_media/tracer/)

[TracerProgramA merge-in BASIC flow tracer uses embedded Z80 machine code to walk your program's control flow, printing every GOTO, GOSUB, and RETURN it encounters.Programming](/computer_media/vars-tracer/)

[Trader TrilogyProgramA three-part space trading saga loads machine code, preserves cargo and credits across tape segments, and challenges you with alien quizzes, gravity maneuvers, and a deadly surface maze.Game](/computer_media/trader-trilogy/)

[TrainProgramGuide trains across a scrolling track, using collision detection and sound effects, before the next locomotive arrives — can you beat your score?Game](/computer_media/train/)

[Travels with TrashmanProgramTrashman wants to travel the globe, but doesn't quite have all of the cash he needs. His plan is to earn enough money, by cleaning up trash at each city he visits, to eventually complete the round-trip.Game](/computer_media/travel-with-trashman/)

[TraxxProgramA grid-filling action game where you trace square edges in sequence across a 24-square field while avoiding up to 9 pursuing aliens, with 9 speed settings and a 2-player mode.Game](/computer_media/traxx/)

[Treasure HuntProgramExplore a procedurally generated cave network, collect treasures, and battle demons in this six-difficulty-level adventure with joystick and keyboard support.Game](/computer_media/treasure-hunt/)

[TreeProgramA Christmas card program with a UDG-built decorated tree, Jingle Bells melody with three-voice AY chord accompaniment, and a scrolling seasonal greeting.Holiday](/computer_media/tree/)

[Tri-Voice (Beep)ProgramA clever BASIC scheduler interleaves three BEEP voices at high speed to fake polyphony, reading note-and-duration byte pairs straight from a memory-resident music block.Sound](/computer_media/tri-voice-beep/)

[Triangle To SquareProgramWatch a triangle smoothly morph into a square across 20 interpolated frames, driven by a machine code dual-screen buffer that eliminates flicker entirely.Demo](/computer_media/triangle2square/)

[TS StockProgramEnter your stock option position details and this BASIC program instantly calculates exercised and unexercised ROI, annualized returns, break-even price, and last trading day.Finance, Stocks](/computer_media/ts-stock/)

[TS-2068 Computer ProgramsCassettePredict eclipses across four millennia, track planetary positions through five centuries, calculate loan amortization schedules, or encode secret messages with modular arithmetic — Imre Auersbacher's collection brings scientific precision and practical utility to the TS 2068.Collection](/computer_media/ts-2068-computer-programs/)

[Tune BoxProgramMusic](/computer_media/tune-box/)

[TUNE BOX volume 2ProgramPlays 5 different tunes.Music](/computer_media/tune-box-volume-2/)

[TychkProgramA memory-walking diagnostic tool that reports every BASIC line's number, byte length, and alternating-weight checksum — all printed to screen and printer simultaneously.Utility](/computer_media/tychk/)

[TycoonProgramA ten-level oil-drilling game that switches UDG sets via direct POKEs, detects its host machine at runtime, and lets mines blow up your pipes underground.Game](/computer_media/tycoon/)

[Type 2068ProgramWord processor with machine-code page storage, three selectable character sets (two custom fonts embedded in the code block), word wrap, graphics mode, and tape-based document save/load.Word Processor](/computer_media/type-2068/)

[TypewriterProgramA complete BASIC word processor with word-wrap, tab stops, insert/delete, and cassette save/load — all packed into a single string-array document buffer.Word Processor](/computer_media/typewriter-2/)

[Typewriter 64ProgramA public-domain, tape-saveable word processor with word-wrap, tab stops, 64-column display support, and a two-level command system crammed into pure BASIC.Word Processor](/computer_media/typewriter64/)

[TypistProgramA typing tutor program that draws a full keyboard graphic using custom characters, then scores your accuracy keystroke-by-keystroke across a sequence of practice phrases.Tutorial](/computer_media/typist/)

[UDGProgramDesign your own custom graphic characters pixel by pixel, then save the raw binary data straight to tape with this interactive UDG editor.User Defined Graphics](/computer_media/udg/)

[UDG Custom GraphicsProgramA three-mode pixel editor lets you draw single UDG characters, 16×16 sprites, and massive 23×24 sprites, then POKEs them directly into UDG RAM.User Defined Graphics](/computer_media/udg-custom-graphics/)

[UDG DemoProgramA machine-code-powered demo explores all three UDG character rendering modes, passing parameters via POKEs before each call to embedded code hiding in a REM statement.Demo, User Defined Graphics](/computer_media/udg-demo/)

[Unifile IIIProgramA surprisingly capable flat-file database packed into BASIC, using a 28,000-character buffer, binary search insertion, and live record compaction on delete.Database](/computer_media/unifile/)

[Upload 2000ProgramConvert your existing Timex/Sinclair 1000 or ZX81 programs to the Timex/Sinclair 2068.Utility](/computer_media/upload-2000-2/)

[Utility Bill AuditProgramA complete household utility auditor that handles three-tier electric, gas, water, and shared phone bills — all driven by editable DATA statements.Finance, Home](/computer_media/utility-bill-audit/)

[Variable AProgramPeek inside BASIC's memory and watch every variable—numbers, strings, arrays, and FOR loops—decoded live from the raw five-byte floating-point format.Programming, Utility](/computer_media/variable-a/)

[VarslistProgramA 173-byte machine code utility reveals every BASIC variable currently in memory — just call it with RANDOMIZE USR to inspect your program's state.Programming, Utility](/computer_media/varslist/)

[VHSBoldProgramManage and print a bold-formatted, alphabetically sorted home video collection with cassette-based data storage and smart incremental insertion — no full re-sort needed for new purchases.Database](/computer_media/vhsbold/)

[Video GraphProgramA pixel-art UDG editor lets you draw on a 16×16 grid, assign regions to user-defined characters, and instantly POKE the results into memory.User Defined Graphics](/computer_media/video-graph/)

[Video Tape FileProgramA video tape catalog manager stores up to 100 titles with searchable subject and tape-number fields, complete with a Shell sort and tape-based data persistence.Database](/computer_media/videofile/)

[VocabularyProgramA four-category vocabulary quiz with etymology-rich answer explanations challenges players to identify word meanings across family, emotion, business, and film topics.Education](/computer_media/vocabulary/)

[VoiceChessProgramGame](/computer_media/voicechess/)

[VU-3DProgramA sophisticated design and modeling program. VU-3D lets you create any object on the screen which you can then modify, expand, reduce, shade, color , zoom in or out, or rotate to view the object from other 3D-like perspectives.Graphics](/computer_media/vu-3d/)

[VU-CalcCartridgeSpread-sheet approach to fiscal analysis, engineering calculations, statistical analysis and more. Formula approach locates and calculates complex tables of numbers and letters.Spreadsheet](/computer_media/vu-calc-2/)

[VU-CalcProgramSpread-sheet approach to fiscal analysis, engineering calculations, statistical analysis and more. Formula approach locates and calculates complex tables of numbers and letters.Spreadsheet](/computer_media/vu-calc-3/)

[VU-Calc with 80 column printer supportArticleArticle and patches to add 80 column printing ability to VU-Calc.Spreadsheet](/computer_media/vu-calc-with-80-column-printer-support/)

[VU-FileCartridgeUse electronic filing to store your lists. You create your own file and record layout, store data and retrieve information when needed. Computer search facility makes it easy to find a single record from a universeof many records.Database](/computer_media/vu-file-2/)

[VU-FileProgramUse electronic filing to store your lists. You create your own file and record layout, store data and retrieve information when needed. Computer search facility makes it easy to find a single record from a universeof many records.Database](/computer_media/vu-file-3/)

[W5GAA ClockProgramA precision UTC digital clock that encodes the current time directly in BASIC loop counters, using block-graphic digits and carefully tuned BEEP durations to keep accurate time.Ham Radio](/computer_media/w5gaa-clock/)

[Wagoner's WalkProgramA four-wagon race betting game where random movement, time bonuses, and five taunting replay messages keep the excitement going until your money runs out.Game](/computer_media/wagoners/)

[War in the EastProgramCommand German or Soviet forces across a 30-turn Eastern Front campaign where terrain, winter rules, and a Moscow control counter determine your fate.Game, Strategy](/computer_media/war-in-the-east/)

[Water Balloon MastersProgramYou have heard of shoot’em up games? Well, how about a splash ’em down game? Yes, a major breakthrough in computer technology has brought us this weird game!Game](/computer_media/water-balloon-masters/)

[Weather AnalystProgramA rule-based weather station logger and barometric forecaster stores up to 190 daily records and issues dramatic storm warnings with flashing alerts.Weather](/computer_media/weather-analyst/)

[Weekly Taping ScheduleProgramEnter your weekly recording schedule day by day and print a neatly formatted timetable complete with channel numbers and program names.Entertainment](/computer_media/tapesched/)

[Weird Balls (Astro II)ProgramShoot everything that moves! Don’t let them pass you by or you’ll lose points.Game](/computer_media/weird-balls-astro-ii/)

[Willie's BBSProgramA full dial-up bulletin board system with user registration, private messaging, sysop chat, and machine code serial I/O loaded from a companion tape.BBS](/computer_media/willies-bbs/)

[WindowProgramA machine code screen utility that lets you highlight any rectangular display region with new attributes while saving the originals for instant restoration via two USR calls.Utility](/computer_media/window/)

[Window PrintProgramA dual-mode windowing library demo lets BASIC programs scroll, color-change, and simultaneously manage up to eight independent screen windows with no machine code calls from the user.Programming](/computer_media/window-print/)

[Word CrossProgramA word-placement puzzle game that challenges you to cross themed words on an 18×18 grid, with six built-in lists and support for your own custom vocabulary.Game](/computer_media/word-cross/)

[Word ImagesProgramThis random sentence generator lets you define custom word-order templates or choose from seven presets, then displays the results in a striking vertical typographic layout.Entertainment](/computer_media/word-images/)

[Word Play IProgramTwo word games in one package—Hangman with a fully drawn gallows and Anagrams with live letter shuffling—plus support for ten built-in word categories and custom user word lists.Game](/computer_media/word-play-i/)

[Word Play IIProgramThree word games in one package—Anagrams, Hangman, and Jumble—challenge two to six players with letter-shuffling, gallows graphics, and time-scored vocabulary rounds.Game](/computer_media/word-play-ii/)

[Word ProProgramA full-featured BASIC word processor supporting 300-line documents, text justification, tape save/load, and character-by-character keyboard editing with cursor control.Word Processor](/computer_media/word-pro/)

[Word SorterProgramA Shell-Metzner sort engine for up to n user-supplied words, backed by an external machine code bold-print routine loaded from tape.Demo](/computer_media/sortword/)

[WORDSQUAREProgramBuild and solve your own word search puzzles with this BASIC program that places words in eight directions across a 20×20 letter grid.Game](/computer_media/wordsquare/)

[Work SimulationProgramRun a factory, manage workers, survive union strikes and flash floods, and try to turn a profit in this randomized business management simulation.Game, Resource Management, Simulation](/computer_media/work-simulation/)

[XadomProgramA fast-moving bird's-eye maze game with fixed single-screen rooms, collectible weapons, avoidable traps and aliens, and an elaborate sci-fi story setup.Game](/computer_media/xadom/)

[Xmas CardProgramA flashing Christmas card draws a PLOT/DRAW tree, scatters UDG baubles, then loops through three carol melodies with randomised ornament colours each time.Holiday](/computer_media/xmascard/)

[Z-Row GravityProgramGame](/computer_media/z-row-gravity/)

[Z-Term 64 v1.1ProgramTerminal program for use with OS-64.Terminal](/computer_media/z-term-64-v1-1/)

[Zeal DisassemblerProgramA full-featured Z80 disassembler with a menu-driven interface, cross-reference listing, printer support, and configurable relocation displacement — all backed by machine code routines.Machine Language, Programming](/computer_media/zeal-disassembler/)

[Zebra GraphicsProgramGraphics for use with Zebra's Greeting Card Designer, Banner Designer and Sign Designer programs.Clip Art](/computer_media/zebra-graphics/)

[Zebra OS-64ROMROM image; supports the Timex/Sinclair’s 64-column mode. Fully compatible with 32 column commands and functions.64 Column, ROM](/computer_media/zebra-os-64/)

[ZebraPainter 1.4ProgramPaint program that fully utilizes TS2068 Extended Color Mode. Works with Zebra graphic tablet.Art, Graphics](/computer_media/zx-painter-1-4/)

[Zeus DisassemblerProgram](/computer_media/zeus-disassembler/)

[ZPrint-80 1.2ProgramA fully interactive configuration utility patches a Centronics printer driver in machine code, letting you choose your printer model, interface, column width, and linefeed behavior before saving a custom binary to tape.Printer](/computer_media/zprint-80-1-2/)

[ZPRINT-80 Printer Support v1.3ProgramA printer driver configurator patches machine code in memory to tailor dot-matrix printer support for seven printer models and four interface types.Printer, Utility](/computer_media/zprint-80-printer-support-v1-3/)

[ZTalker 1.2 Text-to-Speech SoftwareProgramA full phoneme-sequence editor drives dedicated speech synthesizer hardware, letting you compose, navigate, edit, and speak aloud any sequence of up to 100 phoneme codes.Speech Synthesis](/computer_media/ztalker/)

[ZX Spectrum Editor/AssemblerProgramA two-pass Z80 assembler with a built-in line editor, label resolution, and a DATA-driven instruction encoder — all in pure BASIC with a machine-code insert helper.Machine Language, Programming](/computer_media/dev-assem/)

[ZXzine Issue 10 ZIP fileProgramPrograms and code samples from ZXzine issue 10.Magazine](/computer_media/zxzine-issue-10-zip-file/)

[ZXzine Issue 11 ZIP fileProgramPrograms and code samples from ZXzine issue 11.Magazine](/computer_media/zxzine-issue-11-zip-file/)

[ZXzine Issue 12 ZIP fileProgramPrograms and code samples from ZXzine issue 12.Magazine](/computer_media/zxzine-issue-12-zip-file/)

[ZXzine Issue 6 ZIP fileProgramPrograms and code samples from ZXzine issue 6.Magazine](/computer_media/zxzine-issue-6-zip-file/)

[ZXzine Issue 7 ZIP fileProgramPrograms and code samples from ZXzine issue 7.Magazine](/computer_media/zxzine-issue-7-zip-file/)

[ZXzine Issue 8 ZIP fileProgramPrograms and code samples from ZXzine issue 8.Magazine](/computer_media/zxzine-issue-8-zip-file/)

[ZXzine Issue 9 ZIP fileProgramPrograms and code samples from ZXzine issue 9.Magazine](/computer_media/zxzine-issue-9-zip-file/)

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