RLC r     Rotate Left Affect Carry     Rabbit 2000/3000/4000 Instruction

Opcode	Instruction	Clocks	Operation
----	RLC r	4 (2,2)	r = {r[6,0],r[7]}; CF = r[7]
CB 07	RLC A	4 (2,2)	A = {A[6,0],A[7]}; CF = A[7]
CB 00	RLC B	4 (2,2)	B = {B[6,0],B[7]}; CF = B[7]
CB 01	RLC C	4 (2,2)	C = {C[6,0],C[7]}; CF = C[7]
CB 02	RLC D	4 (2,2)	D = {D[6,0],D[7]}; CF = D[7]
CB 03	RLC E	4 (2,2)	E = {E[6,0],E[7]}; CF = E[7]
CB 04	RLC H	4 (2,2)	H = {H[6,0],H[7]}; CF = H[7]
CB 05	RLC L	4 (2,2)	L = {L[6,0],L[7]}; CF = L[7]

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

Description

Rotates r (any of the register A, B, C, D, E, H, or L) to the left. Each bit in the register moves to the next highest-order bit position (bit 0 moves to bit 1, etc.). Bit 7 moves to both bit 0 and the C flag.

Figure 7: The bit logic of the RLC instruction.