ZiLOG eZ80 User Manual page 312

RL (HL)
Rotate Left
Operation
C
Description
The (HL) operand is an 8-bit value at the memory location specified by the contents of the
multibyte register (HL). The CPU manipulates the contents of this memory location, (HL),
by rotating them left one bit position. The CPU next copies bit 7 into the Carry Flag and
copies the previous contents of the Carry Flag into bit 0 of the memory location, (HL).
Condition Bits Affected
S
Z
H
P/V
N
C
Attributes
Mnemonic Operand
RL
RL.S
RL.L
UM007714-0908
7
(HL)
Set if result is negative; reset otherwise.
Set if result is 0; reset otherwise.
Reset.
Set if parity is even; reset otherwise.
Reset.
Data from bit 7 of the source.
ADL Mode Cycle Opcode (hex)
(HL) X
(HL) 1
(HL) 0
0
5
CB, 16
6
52, CB, 16
6
49, CB, 16
®
eZ80 CPU
User Manual
303
CPU Instruction Set