Department of Computer Scien

ce and Information Engineering

National Cheng Kung University, TAIWAN

HANEL

ROTATE INSTRUCTIONAND DATA

SERIALIZATIONRotating Right

and Left

RR A ;rotate right A‰In rotate right

¾The 8 bits of the accumulator are rotated right one bit, and ¾Bit D0 exits from the LSB and enters into MSB, D7

MSB LSB

MOV A,#36H ;A = 0011 0110RR A

;A = 0001 1011

RR A

;A = 1000 1101

RR A

;A = 1100 0110

RR A

;A = 0110 0011