
eZ8
™
CPU Core
User Manual
UM012820-0810 RLC Instruction
211
RLC
Definition
Rotate Left through Carry.
Syntax
RLC dst
Operation
Description
The destination operand contents along with the Carry (C) flag rotate left
by one bit position. The initial value of Bit 7 replaces the Carry flag, and
the initial value of the Carry flag replaces Bit 0.
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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