X86 Memory Segmentation

x86 memory segmentation refers to the implementation of memory segmentation on the x86 architecture. Certain portions of the memory may be addressed by a single index register without changing a 16-bit segment selector. In real mode or V86 mode, a segment is always 65,536 bytes in size (using 16-bit offsets). In protected mode, a segment can have variable length. Segments can overlap.

Read more about X86 Memory SegmentationReal Mode, Later Developments, Practices

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X86 Memory Segmentation - Practices
... Logical addresses can be explicitly specified in x86 assembly language, e.g ... (AT T syntax) movl $42, %fs(%eax) Equivalent to M ...

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