Sinclair ZX81

20 Simples Electonic Projects for the ZX81 & Spectrum
30 Hour Basic - ZX81 Edition
37 Timex 1000 Sinclair ZX-81 Programs for Home, School, Office
Advanced Programming for the 16K ZX81
Assembly language assembled for the Sinclair ZX81
Better Programming for your Spectrum and ZX81
Byteing Deeper into Your ZX81
Explorer's Guide to the ZX81
Games for your ZX81
Getting Acquainted with your ZX81
Hints & Tips for the ZX81
Machine Code and Better Basic
Machine Language Programming Made Simple For Your Sinclair ZX81
Mastering Machine Code on Your ZX81
More Games for your ZX81
Not Only 30 Programs for the Sinclair ZX81 ...
REMLOAD  Machine Code Entry & De-Bug/Monitor for ZX81, 16k
sinclair ZX81 ROM disassembly Part A
Sinclair ZX81 ROM Disassembly Part B
The Art of Programming the 16K ZX81
The Sinclair ZX81 Programming For Real Applications
The Sinclair ZX81 Programming for Real Applications
The ZX81 Add-on Book
The ZX81 Companion
The ZX81 How to use and Program
The ZX81 Pocket Book
Understanding your ZX81 ROM
ZX81 BASIC Programming
ZX81 Basic Programming
ZX81 User's Handbook

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