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> RR DE
> RR HL Rotate Right Through Carry Rabbit 2000/3000/4000 Instruction

> Opcode | Instruction | Clocks | Operation
> FB | RR DE | 2 | {DE,CF} = {CF,DE}
> FC | RR HL | 2 | {HL,CF} = {CF,HL}

> Flags | ALTD | IOI/IOE
> S | Z | L/V | C | F | R | SP | S | D
> · | · | L | · | · | · |  |  |

> #### Description

> Rotates to the right with the C flag the data in DE or HL. Bit 0 moves to the C flag, bits 1 through 15 move to the next lowest-order bit position, and the C flag moves to bit 15. See Figure 11 below for an illustration.

> Figure 11: The bit logic for RR instruction.

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