This book describes Motorola's 16- and 32-bit microprocessors from both the software and hardware standpoints. As a practical engineering book, it looks at many of the real problems encountered in computer and computer systems design. It includes a 68000 programming model; interface to memories and external systems; the design of memory systems including error detection and memory management; the design of computer buses; and information on the new 68030, 68020 and 68040 systems.