John Richard Coffey – Timex/Sinclair Computers

Title	Author(s)	Publication	Date
Dear Editor Complaints over proposed magazine price increase; altering Westridge modem software; retain memory contents after crash; bugs in JRC assembler/compiler. InfoWorld’s...		Syntax	August 1984
Extensions to Basic USR routines to invert every character on the screen, print bytes of free memory, create an inverse program listing, and...		SYNC	September/October 1983
Gosubs Short programs contributed by readers.		T-S Horizons	March 1984
How a Compiler Works A compiler is a program that takes a high level language like BASIC and converts it to machine code. The...	John Richard Coffey	T-S Horizons	July/August 1984
Letters ROMs and RAMS, Memory Saving Tips, The SAVE Signal.		SYNC	September/October 1982
Program Name Reader Prints name and loading time of ZX81 files.		ZX-Appeal	May 1989
Sphere Short program to plot a sphere.		Triangle Sinclair Users Group	September & October 1984

Title	Company
2K Games Pack Key game, Quick lander, I got a bad feeling bout this, Etchsketch, Sines.	JRC Software
Beep Routine Produces tones over wide range of frequencies. Attach earphone through tape recorder to hear sound. USR function and 2 to...	JRC Software
cen-TIC-pede Machine code action. Multiple levels, extra large characters.	JRC Software
Computer Poster Abstract design, 22 feet x 4 inches. Includes poster program. 2K.	JRC Software
Diamond Mike Collect enough diamonds before time runs out, while avoiding falling rocks, ferocious amoebas and killer butterflies. 22 different screens and...	JRC Software
JRC Software Catalog Tape-based product catalog with program demos.	JRC Software
Multiple Programs in Memory Store from 2 to 47 programs, depending RAM. Allows programs to be swapped in a split second. Memory is divided...	JRC Software
Program Name Reader Reads all names of programs on tape: prints to screen or to printer. Sees names one at a time as...	JRC Software
Super Fn Plot Plots any function in the form y=f(x); draws it to the correct vertical scale on screen. Plots are white on...	JRC Software
Super Save/Load	JRC Software
Tape Unlocker Machine code program to break into programs for listing or making backup copies. 1K.	JRC Software
Touch Type Game Learn to touch type all the ZX/TS symbols in a fun, challenging manner. Recommended only for users with special keyboards...	JRC Software

Title	Author(s)	Date
The Sinclair Survivalist Handbook The Sinclair Survivalist Handbook is filled with previously un-published program listings and articles, written by regular contributors to TIME DESIGNS,...		1988

Title	Type	Company	Download
Compass Compiler	Program	JRC Software	Download
Diamond Mike II	Program	JRC Software	Download
JRC Catalog	Cassette	JRC Software	Download