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The statement that is true for the instruction POP*A is

(a) flags are unaffected

(b) no operands are required

(c) exceptions generated are same as that of PUSH*A

(d) all of the mentioned

The question was posed to me during an online interview.

Enquiry is from Instruction Set Features -1 in chapter 80286-80287-A Microprocessor with Memory Management and Protection of Microprocessor

1 Answer

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The correct choice is (d) all of the mentioned

To explain I would say: The POP*A instruction, pops all the contents of the registers DI, SI, BP, SP, BX, DX, CX and AX from the stack in this sequence, that is exactly opposite to that of pushing.

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