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Asked Oct 17, 2019
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6. What is the content of registers after execution of the following
ADD AX, [BP
Where the contents of AX-1234, DS=1000, SS=1001, CS 1002,ES-1003, and BP-000
Also, the content of Memory locations 10010-1, 10011-2, 10012=3, 10013-4,
10014-5, 10015=6, 10000-7, 10001-8, 10030-9 , and10031-A
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6. What is the content of registers after execution of the following ADD AX, [BP Where the contents of AX-1234, DS=1000, SS=1001, CS 1002,ES-1003, and BP-000 Also, the content of Memory locations 10010-1, 10011-2, 10012=3, 10013-4, 10014-5, 10015=6, 10000-7, 10001-8, 10030-9 , and10031-A

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Expert Answer

Step 1

The given instruction is

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ADD AX BP ВР

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Step 2

The Base address is offset. Offset is nothing but the displacement of memory location from the starting location of the segment.

The register ‘BP’ comes under the segment ‘SS’.

Step 3

The effective address will be equal to the sum of st...

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Effective Address]- SS[appended by OH]+ BP Effective Address] 1001 [10]+[000] [Effective Addre ss]=10010 +000 Effective Address]= 10010H

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