SINCUS Exchange Tape 104

128 Colors

A complete 128-color display test cycles every ink, paper, and bright combination using a clever checkerboard UDG that visually blends foreground and background hues.

1987 Federal Income Tax Calculator

Works out 1987 US federal income tax from filing status, exemptions, income, capital gains and deductions, imitating the IRS tables below $50,000.

3D Box Message Demo

A wire-frame cube grows from a point, gets shaded faces, then lets the letters of a message out one by one before packing them back and shrinking away.

Alternate Character Set

Generate a modified character set stored in RAM, then switch between normal and alternate fonts on the fly with a single POKE command.

Billboard

Scrolls a message of up to 32 characters endlessly across a framed white billboard on a blue screen.

Bingham's Best

Bingo (The Hacker)

A bingo caller that draws and announces B-I-N-G-O numbers without repeats, with options to print bingo cards and a master call sheet.

Blackjack (Twist or Stick)

A one-player twist-or-stick card game against the computer, with UDG card frames and suit symbols, a $10 charge per deal and $50 for each win.

Builder

Lay coloured bricks, windows and doorways on screen to build walls and houses, then copy the result to the printer with a title.

Calendar and Clock

Prints a calendar for any month from 1700 to 1999 and runs an on-screen clock set from the hour and minute you enter.

Calendar with Custom Font

Draws a ruled month grid and fills it with dates in a double-width custom font, for any month of any year from 1901 to 2043.

Certificate

Design a custom bordered certificate on screen, picking from fourteen user-defined graphic symbols to frame your own centered text lines.

Charts

Draws a line graph, bar graph or pie chart from a series of numbers you enter, with editing, a screen copy option and saving of the data to tape.

Checkbook Balancer

A step-by-step checkbook balancer that reconciles outstanding checks and unposted deposits against your bank statement, displaying a neatly formatted summary screen.

Chopin

A 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.

Chordizer

A 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.

Circuit Sketch

Draw complete electronic circuit diagrams interactively, placing resistors, capacitors, transistors, diodes, and more using simple single-key commands.

Clover

A 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.

Endless Love

A 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.

ENORO

A travel-ready currency converter for Mexican peso shopping trips also packs metric unit conversions and plays a classic melody from a DATA-driven music engine.

Epson 4X Sideways Copy

Send your screen to an Epson dot-matrix printer at 4× size, sideways — in both BASIC and machine code, with raw bit-image printer commands and hardware handshaking.

Espanola

A 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.

Evergreen

A BASIC rendition of "Evergreen" that synchronizes scrolling lyrics with melody and live three-voice chord accompaniment using AY sound chip register programming.

Four Stroke

An animated four-stroke engine diagram cycles through induction, compression, ignition, and exhaust using custom-designed graphics and a piston that really moves.

Garland

Draws a Christmas garland of two rings of petalled flowers from polar equations, using curved DRAW arcs in green on red.

HANG-MAN

A fully animated Hangman game with custom graphics, a 400-word vocabulary spanning science to geography, and a clever SCREEN$-based letter-reveal mechanic.

Jumper

Dodge two independently scrolling obstacle rows using five custom sprites and a lives system — all packed into a tight BASIC movement and collision loop.

Letters

Turns the keyboard into a big-letter typewriter, printing each letter, digit and punctuation mark two character rows high from pairs of user-defined graphic half-letters.

Lotto

Pick your lottery numbers by moving an arrow cursor around a grid of 1 to 44 and pressing ENTER, with repeated picks flagged and rejected.

Model Plane Designer

Design and visualize a radio-control model airplane in top, side, and front views, with automatic CG calculation, wing loading, and area ratios — all interactively adjustable.

Musical Christmas with TS 2068

A 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.

Mystery Manor

Follow a ghostly Victorian heroine's diary clues through 29 haunted rooms in exactly ten moves — but the correct path is mathematically hidden in the data.

Old English Fonts

An 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.

On the Beautiful Blue Danube

Plays an arrangement of Strauss's Blue Danube waltz with BEEP from DATA, after a shooting-letters title and a picture of a sailboat on the river.

Popup Menu

A joystick-controlled popup menu framework with UDG-drawn border boxes and a five-item menu bar, ready to drop into a graphics application.

Quick Chord

A plug-in chord library for three-channel sound hardware, providing GOSUB targets for major, minor, diminished, and augmented chords ready to drop into any program.

T V

A hand-crafted television set screen display combining UDG characters, arc-based DRAW commands, and CIRCLE calls to render a detailed TV graphic with text labels.

TED

A looping screen-transition demo drives seven machine code effects — panning, zooming, fading, and flipping — through tidy DEF FN wrappers calling into a 900-byte routine.

The Rose

A 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.

Timex Sinclair Logo

A data-driven logo renderer that fires 260 PLOT/DRAW commands from compact DATA statements, then optionally sends the result to a printer with a linefeed POKE.

TRAINS

An animated train rolls left or right across your screen using 18 custom characters, with user-selectable speed and direction — built entirely in BASIC.

TS-2068 Piano

Turns the keyboard into a two-octave, three-voice AY piano with a drawn keyboard, and can record up to 1,000 events, play them back at four speeds and save them.

TS2068 Joystick Quad Drawing

Draws four-way mirrored patterns with a joystick, plotting each point and its reflections in all four quadrants; holding the fire button erases instead of drawing.

VHS Titles

Builds a title page for a home video tape in double-height lettering, eleven lines of up to 32 characters, ready to save as a screen.

WORDSQUARE

Build and solve your own word search puzzles with this BASIC program that places words in eight directions across a 20×20 letter grid.