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The instruction, RLA performs

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in Microprocessor by (39.4k points)
The instruction, RLA performs

(a) rotation of address register to left

(b) rotation of accumulator to left

(c) rotation of address register to right

(d) rotation of accumulator to right

This question was posed to me in an interview.

My question comes from Addressing Modes of 8051 topic in division Microcontroller 8051 of Microprocessor

1 Answer

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by (49.2k points)
Right answer is (b) rotation of accumulator to left

To explain: The instruction, RLA rotates accumulator left.

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