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MICROPROCESSOR INSTRUCTION REFERENCE->RRD

RRD    Rotate right decimal memory location addressed by HL and accumulator

(HL) high nibble ->  (HL) low nibble
Acc. low nibble  ->  (HL) high nibble
(HL) low nibble  ->  Acc. low nibble


Flags
    

S	Set if result -ve, else cleared
Z	Set if result zero, else cleared
H	Cleared
P/V	Set if parity even, else cleared
N	Cleared
C	Not affected

No of	M	T	usec @
bytes	cycles	states	2 MHz

2

5

18

9