Question:
For the given 8086 microprocessor instructions below, which of the following is an invalid instruction?
For the given 8086 microprocessor instructions below, which of the following is an invalid instruction?
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Always move segment values through general-purpose registers in 8086 microprocessors.
Updated On: Feb 27, 2025
- MOV BX, [0301 H]
- MOV CX, 037AH
- MOV AL, BL
- MOV DS, 4100H
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The Correct Option is D
Solution and Explanation
- Directly loading an immediate value into the segment register (like DS) is invalid.
- Instead, the value must first be loaded into a general-purpose register and then moved to the segment register.
Conclusion: The invalid instruction is given by option (d).
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