Written specifically for newcomers to CP/M.
CP/M software may not quite fit your exact needs, or may need some tweaking to do certain things. With a working knowledge of CP/M assembly language, the operating system can be tweaked and adapted.
This book deals with the CP/M structure and how simple machine code programs can be written with the assembler / editor package supplied with the CPC6128 and PCW8256 machines. Numerous useful routines and listings are provided in a book written in a straight forward, easy to follow style bu one of the industries best authors on programming subjects.
A 146 page paperback in excellent condition.