Timex Sinclair User Group Newsletter: Ottawa Chapter

Short machine language program to convert numbers.

Lists and sums daily values for a two-week period. Values are plotted comparing daily values.

Demonstration of the DRAW function. Draws a map of the US.

Subroutine to simulate full-screen input.

Several programs from club members. Secret Agent: adapted from Bill Harmer’s ZX81 version by David Solly. Screen Display: extracted from Upload 2000 by Michael Dove to show the interesting effects. New Font: a bold script font for the 2068 or Spectrum (David Solly). MEd.B1: cleans up files downloaded from bulletin boards systems so they can…

Reprint of an article from Sinclair User to demonstrate scrolling one pixel at a time in any one of four directions.

XFORTH XCHANGE and Hawg Wild Software done.

Programming techniques to implement UNLESS and UNTIL in Sinclair BASIC.

Short machine code routines to allow for saving/loading just data to tape on the ZX81/TS 1000.

Techniques for adapting ZX81/TS1000 programs to work with the Larken disk drive.

Stores data in a string instead of array; results in faster save/load time.

Space shooter game.

Database to store auto maintenance information.

Short program to display binary bit patterns.

Graphic implementation of biorhythm charts.

Short program to print a monthly calendar.

Program to calculate mortgage payments and amortize principal/interest payments.

Program to catalog tapes and programs.

Originally published in the March/April 1987 issue of Time Designs, this program produces checksums for each program line, making entering programs from magazine articles less error-prone.

List of current members.

Modification of a program by John Bennett; print graphics screens to the Copal Write Hand L1200 printer.

Based on an idea presented in Byte, February 1984, p. 383-386.

Daily register of income/expense for a business.

Program to save code that loads above RAMTOP.

Type-in video game.

Adapted from a program that appeared in Practical Computing, May 1984. Memory-resident program to alter display of program listings: adds a new line after every colon or THEN statement.

Type-in utility to save programs up to 5 times as fast, reprinted from Sinclair Programs.

File manager (database) program, reprinted from Microcomputing, March 1983.

Modified by David Solly to be used in conjunction with BASIC2 by Michael Carver to create ASCII text listings of Sinclair BASIC programs.

Short program to flash screen display and selectively reverse lines.

Video game for the 2068.

Clearer listing of program from previous issue.

Program to calculate readability of a passage of text.

Helpful hints about POKEs and a real-time clock program.

Conversion of program from The Gateway Guide to the ZX81 and ZX80.

Calculates the area, volume and other values of spheres, triangles, circles, cones and rectangles.

Type-in version for the ZX81/TS 1000.

Converts decimal numbers to hexadecimal and vice versa.

Pokes and programming hints from a T-S Horizons article by George Mockridge.

Type-in program for tracking household items.

Hunt through the caves to obtain treasures, escape the monster, go through portals and find the treasure trove.

Reprinted from Syncware News and Update magazines. Program to color-cycle 2068 screen to prevent monitor burn-in. Avoiding use of GOSUBs. Renumbering routines. Update magazine background, article index User groups in North America

Hints/tips for using ZX Assembler to program graphics.

Adapted from program in 49 Explosive Games for the ZX-81 by Tim Hartnell.

Game that challenges the player’s ability to analyze patterns.

Technique for using Michael Carver’s BASIC2 program (from November/December 1986 issue of Time Designs Magazine) with MScript to create ASCII text program listings.

Program to sort Lotto 649 numbers in frequency of occurrence.

Type-in game program for the TS 2068.

Type-in game program.

Short subroutine to handle menus and nested menus.

You and computer take turns removing sticks from the pile. The one who removes the last stick loses.

Inspired by a listing in a Commodore 64 magazine.

Mortgage calculation program.

Type-in art/drawing program for the TS 2068.

Access to the Larken disk system from within HiSoft Pascal.

Short program to calculate the cost of a long distance call before and live.

Prints large copies of title pages from programs.

Machine language program to print graphic designs.

Tutorial on PRINT command options.

Tips for ZX-81/TS 1000 users.

Machine code hint; using IN to read the keyboard; notes about the TS 2068; a screen drawing program for the TS 1000.

Moves a machine code program from above RAMTOP into a REM statement.

Extend a REM line without disturbing the existing contents.

Program to encode and decode secret messages.

You have been ambushed by gunmen in a forest. The only safe place is a low wall behind which you take cover. You must try to kill all the gunmen by aiming over the top of the wall. But the snipers are good shots! How long can you survive?

Program to track stocks, plot data about them.

Programs to allow TS users to communicate via a RTTY-like method.

Verify routine based on the LOAD routine in ROM.

Two programs for picking Lotto 649 numbers.

For people who need to practice their typing but prefer to play video games.

Type-in game program for the TS 2068.

Several programs from club members. Child1: visual aid to teaching pre-school children numbers from 1 to 10 (Bill Harmer). VROP: voltage regulator circuit design program using a 741 op-amp (Bill Harmer). Screen Fill: short machine language program to fill screen with any single character. Stop-Watch: timer based on internal FRAMES variable; max of 18.2 minutes.…

Code snippets for entering/manipulating numbers; short program for saving multiple copies of a program.