
In this chapter, you will learn
l
The internal architecture of the 8086.
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The registers of 8086 and their specific
functions.
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The operation of the flags of 8086.
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The memory segmentation technique used
by the x86 family.
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How to perform memory address
calculations.
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The different addressing modes of 8086.
the architecture
of 8086
1
Introduction
We will start our learning of the x86 family of microprocessors by understanding the
architecture of the 8086 on which is based the architecture of the whole family. The 8086
is a processor catering to 16-bit data (D0 to D15) and having a 20-bit address (A0 to A19).
1.1 | Internal Block Diagram of the 8086 ...