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8086

8086 has 20-bit address space with segmentation. However the meaning of segmentation in 8086 is slightly different from what we have learned in the class. There are four segmentation registers CS, DS, ES and SS each having 16-bit length. Displacement (i. e. length of) each segment is limited to 16-bit (64K) not a variable length. The effective address is given by .



Hitoshi Oi
Wed Dec 20 23:53:45 EST 1995