Understanding your ZX81 ROM

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The first part, chapters 1-4, discusses the Z80 microprocessor and its machine code instructions. The second part, chapters 5-7, deals with actual machine code programs. Chapter 5 containing programs that illustrate the different types of machine code instructions in the Z80 instruction set. Chapter 6 discusses the 8K monitor program and chapter 7 gives some suggestions on how to go about writing a machine code program.

ISBN : 0-86161-103-9

Publisher : Melbourne House

Author : Dr. Ian Logan

Format : Paperback: 162 Pages

This exhibit has a reference ID of CH12961. Please quote this reference ID in any communication with the Centre for Computing History.
 
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