Rr m, Operation op code, Operand – Zilog Z08470 User Manual
Page 237
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UM008007-0715
Z80 Instruction Description
Z80 CPU
User Manual
225
RR m
Operation
Op Code
RR
Operand
m
The m operand is any of r, (HL), (IX+d), or (lY+d), as defined for the analogous RLC
instructions. In the assembled object code, the possible op code/operand combinations are
specified as follows:
CY
0
7
m
0
0
0
0
1
r*
1
1
0
1
1
0
0
1
CB
1
1
0
1
1
0
0
1
CB
1
1
1
0
1
1
0
1
DD
1
1
0
1
1
0
0
1
CB
1
1
1
0
1
1
1
1
FD
1
1
0
1
1
0
0
1
CB
RR r*
RR (HL)
RR (IX+d)
RR (IY+d)
d
d
0
0
1
1
0
1
0
1
1E
0
0
1
1
0
1
0
1
1E
0
0
0
1
0
1
0
1
1E
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