RRC BC
RRC DE     Rotate Right Affect Carry     Rabbit 4000 Instruction

Opcode	Instruction	Clocks	Operation
61	RRC BC	2	BC = {B[0],BC[15,1]} CF = C[0]
51	RRC DE	2	DE = {D[0],DE[15,1]} CF = E[0]

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

Description

Rotates to the right the C flag with the data in BC or DE. Each bit in the register moves to the next lowest- order bit position (bit 15 moves to bit 14, etc.) while bit 0 moves to both bit 15 and the C flag. See the figure below.

Figure 14: The bit logic of RRC.