This is the republication of a well-known microprocessor programming guide, first published in 1986 at the launch of the Western Design Center's revolutionary new 65816 and 65802 processors.

With a keen understanding of the learning process, software designers David Eyes and Ron Lichty produced a comprehensive guide to the 65x family of microprocessors that continues to be used worldwide today.

Now, WDC is once again making available this classic reference book for programming the 65x family of microprocessors.

Designed for programmers at every experience level, the book opens with a primer on basic assembly language programming concepts for beginners. After introducing the architecture of each generation of microprocessor, a detailed tutorial offers a step-by-step survey of all 256 instructions and all twenty-five addressing modes. Then, from selected code examples to a debugging tool and checklist, the section on applications provides helpful, down-to-earth examples and how-to instructions.

The reference section delivers information and details on how the various instructions and addressing modes work, along with their syntax and opcodes. The appendix, meanwhile, holds specialized information that includes microprocessor data sheets and compatible I/O parts for easy access while programming.