Question

Explain the string instructions of 8086 microprocessors. [2]

Answer 1

Answer:

String manipulation instructions in 8086 microprocessor

OPCODE OPERAND EXPLANATION

REPNE instruction repeat the given instruction while CX != 0

REPNZ instruction repeat the given instruction while ZF = 0

MOVSB none moves contents of byte given by DS:SI into ES:DI

MOVSW none moves contents of word given by DS:SI

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