Zilog Z8F0130 User Manual
Page 224
eZ8
™
CPU Core
User Manual
UM012820-0810
RL Instruction
209
RL
Definition
Rotate Left.
Syntax
RL dst
Operation
Description
The destination operand contents rotate left by one bit position. The initial
value of Bit 7 is moved to the Bit 0 position and also into the Carry (C)
flag.
Flags
C
Set if the bit rotated from the most-significant bit position was 1
(that is, Bit 7 was 1)
Z
Set if the result is zero; reset otherwise
S
Set if Bit 7 of the result is set; reset otherwise
V
Set if an arithmetic overflow occurs; reset otherwise
D
Unaffected
H
Unaffected
D7 D6 D5 D4 D3 D2 D1 D0
dst
C
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