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8086 architecture: memory segmentation

Microprocessors and Microcontrollers · Engineering

CPU chip explorer

Interactive 3D

Look inside a processor — data packets race between ALU, cache and control unit.

Controls

Drag the sliders or type a value — the simulation updates live.

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Study notes

Address: DS=1000, SI=0020 -> 10000+20=10020 (20-bit from 16-bit regs). Segments: code/data/stack/extra. 1MB. BIU fetches, EU executes (pipeline). x86 origin.

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