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Architectural features. Operating modes. See also. References. IA-32 (short for " Intel Architecture, 32-bit ", commonly called i386 [1] [2]) [3] is the 32-bit version of the x86 instruction set architecture, designed by Intel and first implemented in the 80386 microprocessor in 1985.
Intel® 64 and IA-32 Architectures Software Developer’s Manual Volume 1: Basic Architecture NOTE: The Intel® 64 and IA-32 Architectures Software Developer's Manual consists of nine volumes: Basic Architecture, Order Number 253665; Instruction Set Reference A-L, Order Number 253666;
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Updated 4/24/2024. Version Latest. Public. Overview. These manuals describe the architecture and programming environment of the Intel® 64 and IA-32 architectures. Electronic versions of these documents allow you to quickly get the information you need and print only the pages you want.
This document contains the following: Volume 1: Describes the architecture and programming environment of processors supporting IA-32 and Intel® 64 architectures. Volume 2: Includes the full instruction set reference, A-Z. Describes the format of the instruction and provides reference pages for instructions. Volume 3: Includes the full system programming guide, parts 1, 2, 3, and 4. Describes ...
Oct 8, 2019 · IA-32 is a 32-bit architecture. However, in addition to the 32-bit data type, it supports two auxiliary data types: 8-bit and 16-bit. Analysis results show that most of the instructions found in program code are 32-bit instructions (71.8%), while 16-bit and 8-bit instructions are rare (0.73% and 2.84% respectively).
- Yauhen Klimiankou
- klimenkov@bsuir.by
- 2019
unit receives a 32-bit address and either loads or stores an 8-bit quantity in that address. The lowest address possible is all zero bits. The highest address is all one bits. This number is 2**32-1 which is about four billion, which is appropriate for addressing up to four gigabytes of memory.
IA-32 Intel® Architecture Software Developer’s Manual Volume 2: Instruction Set Reference NOTE: The IA-32 Intel Architecture Software Developer’s Manual consists of three volumes: Basic Architecture, Order Number 245470-012; Instruction Set Reference, Order Number 245471-012; and the System Programming Guide, Order Number 245472-012.
