z80:Opcodes:RR
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9-bit rotation to the right. The carry is copied into bit 7, and the bit leaving on the right is copied into the carry.
Syntax
RR op8
Allowed Instructions
RR A RR B RR C RR D RR E RR H RR L RR (HL) RR (IX+n) RR (IY+n)
Effects
Carry becomes the bit leaving on the right, H and N flags are reset, P/V is parity, S and Z are modified by definition.
Uses
T-States
r denotes 8-bit register.
| r | 8 |
| (hl) | 15 |
| (ix+X) | 23 |
| (iy+X) | 23 |
See Also
RL,RLA,RLC,RLCA,RLD,RRA,RRC,RRCA,RRD,SLA,SLL/SL1,SRA,SRL
