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> RRC b,BCDE
> RRC b,JKHL Rotate Right Affect Carry Rabbit 4000 Instruction

> Opcode | Instruction | Clocks | Operation
> -- | RRC b,BCDE | 4 (2,2) | BCDE = {B[7],BCDE[31,1]} CF = E[0] b = b - 1 repeat while b != 0
> DD 58 | RRC 1,BCDE | 4 (2,2) | repeat the operation 1 time
> DD 59 | RRC 2,BCDE | 4 (2,2) | repeat the operation 2 times
> DD 5B | RRC 4,BCDE | 4 (2,2) | repeat the operation 4 times
> -- | RRC b,JKHL | 4 (2,2) | JKHL = {J[7],JKHL[31,1]} CF = L[0] b = b - 1 repeat while b !=0
> FD 58 | RRC 1,JKHL | 4 (2,2) | repeat the operation 1 time
> FD 59 | RRC 2,JKHL | 4 (2,2) | repeat the operation 2 times
> FD 5B | RRC 4,JKHL | 4 (2,2) | repeat the operation 4 times

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

> #### Description

> Rotates to the right the data in BCDE or JKHL. Each bit in the register moves to the next lowest-order bit position (bit 31 moves to bit 30, etc.) while bit 0 moves to both bit 31 and the C flag.

> Figure 15: The bit logic of RRC.

> This operation happens b number of times.

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