The Sinclair ZX81 Programming for Real Applications
Assembly Language Assembled for the Sinclair ZX81
Advanced Graphics with the Sinclair ZX Spectrum
Programming in Z80 Assembly Language
Z80 Assembly Language Programming for Students
Program Your Microcomputer in BASIC
Good BASIC Programming with the BBC Microcomputer
CP/M 80 Programmer's Guide
Advanced Graphics with the BBC Model B Microcomputer
Advanced Graphics with the Commodore 128
