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RL (IX+d)
RL (IY+d)     Rotate Left Affect Carry     Rabbit 2000/3000/4000/5000 Instruction

Opcode	Instruction	Operation
DD CB d 16	RL (IX+d)	{CF,(IX + d)} = {(IX + d),CF}
FD CB d 16	RL (IY+d)	{CF,(IY + d)} = {(IY + d),CF}

Clocks	8-Bit Access	16-Bit Unaligned	16-Bit Aligned
Rabbit 2000/3000/4000	13	n/a	n/a
Rabbit 5000	14	12	10

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

Description

Rotates to the left with the C flag the data whose address is:

• the sum of IX and the 8-bit signed displacement d, or

• the sum of IY and d

Bits 0 through 6 move 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 3 for an illustration.

Example

If the sum of IX and d is 0x4545, the byte in the memory location 0x4545 is 0110 1010, and the C flag is set, then after the execution of the operation:

RL (IX+d)

the byte in memory location 0x4545 will contain 1101 0101 and the C flag will be reset.