Question
(i)Calculate the memory address the following instructions will access. Also explain the addressing modes that are used by each instruction. a. MOV CX, [1234H] b.
(i)Calculate the memory address the following instructions will access. Also explain the
addressing modes that are used by each instruction.
a. MOV CX, [1234H]
b. MOV AX, [2222H]
c. MOV DX, [BP]
d. MOV DX, [BP+DI]
e. MOV DX, [BP + SI + 200H]
f. MOV DX, [BP + DI + 01H]
(ii)What is wrong with a
(1)MOV [BX], [DI] instruction
(2)MOV AX, DL instruction?
(iii) The 2's complement signed data contents of AL equal -1 and the contents of CL are-2. What
result is produced in AX by executing the following instructions:
1) MUL CL
2) IMUL CL
(iv) Consider the execution of the instruction MOV CH, [BX-100H], find the effective address if
DS=3000 H, BX=2000 H.
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