This book provides a systems-level understanding of the 80X86 microcomputer and its hardware and software. Equal emphasis is given to both assembly language software and microcomputer circuit design. The Third Edition features updated/expanded discussions on such topics as assembly language programming and memory devices; circuits; subsystem design; program and data-storage memory circuitry; FLASH memory; wait-state circuitry for the memory/IO interface; core and special-purpose I/O interfaces; the 80486 and Pentium® processor families; the newest Pentium® processor family members; enhancements to the real-mode instruction set of the Pentium® processor; the Pentium® processor's interface signals and bus cycles; dynamic bus sizing for the memory interface; additional 80486 family members; version 6.11 of the Microsoft Macro Assembler; newer high density and CMOS devices; and more. For engineering/engineering technology programmers and system designers. Read Less