x86 Assembly Guide (2018)

This guide describes the basics of 32-bit x86 assembly language programming, covering a small but useful subset of the available instructions and assembler directives. For example,

These instructions are conditional jumps that are based on the status of a set of condition codes that are stored in a special register called the machine status word. For example, the instruction performs a jump to the specified operand label if the result of the last arithmetic operation was zero.

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