ZiLOG Z8 PLUS User Manual page 109

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RR
Rotate Right
Example: The contents of working register R6 are 31H (00110001B). The following statement leaves the
value 98H (10011000B) in working register R6. The C, V, and S flags are set to 1, and the Z flag is set to 0.
RR R6
Op Code: E0 E6
Example: The contents of register C6 are 31H. The contents of register 31H are 7EH (01111110B). The
following statement leaves the value 4FH (00111111B) in register 31H. The C, Z, V, and S flags are set to 0.
RR @C6
Op Code: E1 C6