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RL r     Rotate Left Affect Carry     Rabbit 2000/3000/4000/5000 Instruction

Opcode	Instruction	Operation
----	RL r	{CF,r} = {r,CF}
CB 17	RL A	{CF,A} = {A,CF}
CB 10	RL B	{CF,B} = {B,CF}
CB 11	RL C	{CF,C} = {C,CF}
CB 12	RL D	{CF,D} = {D,CF}
CB 13	RL E	{CF,E} = {E,CF}
CB 14	RL H	{CF,H} = {H,CF}
CB 15	RL L	{CF,L} = {L,CF}

Clocks	8-Bit Access	16-Bit Unaligned	16-Bit Aligned
Rabbit 2000/3000/4000	4	n/a	n/a
Rabbit 5000	4	4	2

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 with the C flag. Each bit in the register moves to the next highest-order bit position (bit 0 moves to bit 1, etc.) while the C flag moves to bit 0 and bit 7 moves to the C flag. See figure below.

Figure 3: The bit logic of the RL instruction.