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