Sinclair ZX81
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The Sinclair ZX81
Weight: g
the sinclair zx81
The Sinclair ZX81 - Programming For Real Applications
By Randle Hurley
This book was designed to push the ZX81 in the direction of serious programming and applications.
A databse, word processor, financial, banking and educational programs listed with full instructions and tutorials.
30 Hour Basic ZX81 Edition
Weight: g
30 hour basic zx81 ed
30 Hour Basic ZX81 Edition
by Clive Prigmore
A simple self-instructional course teaching good programming structure and technique.
This was widely acclaimed NEC correspondence course specially prepared for the BBC's "The Computer Program".
Your Timex Sinclair 1000 And ZX81
Weight: g
your timex sinclair 1000 and zx81
Your Timex Sinclair 1000 And ZX81
By Douglas Hergert
Taking you from the very beginning steps of getting the machine working, the book explains how to use the Timex Sinclair 1000 and ZX81 to its fullest capabilities. 
Also containns program listings and full instructions on the BASIC language.
Machine Language Programming Made Simple
Weight: g
machine language made simple zx81
Machine Language Programming Made Simple For Your Sinclair & Timex TS1000

"It's the best explanation of Machine Language for beginners I've ever seen.  Its friendly style and simple analogies help make the language very clear - this introduction is a must...
SYNTAX - March 1982

A 158 page paper back in excellent condition.
Getting Acquainted With Your ZX 81
Weight: g
getting aquainted zx81
Getting Acquainted With Your ZX 81 More Than 80 Programs
By Tim Hartnell

Contains over 80 programs chosen to demonstrate specific functions of the ZX81 and act as a "hands on" teaching program.  Throughout, the book highlights critical areas of programs to give the reader an added insight into the workings of his system.

A 128 page paper back in good condition.
Understand Your ZX81 ROM
Weight: g
understanding your zx81 rom
Understand Your ZX81 ROM
By DR. Ian Logan
By Ian Logan - the master of Machine Code instruction (and anything technical) on a wide range of machines.
Goes into the depths of the ZX81 ROM and has a special section on how to use Machine Code in BASIC programs.