
eZ8
™
CPU Core
User Manual
UM012820-0810 RR Instruction
213
RR
Definition
Rotate Right.
Syntax
RR dst
Operation
Description
The destination operand contents rotate to the right by one bit position.
The initial value of Bit 0 is moved to Bit 7 and also into the Carry (C)
flag.
Flags
C Set if the bit rotated from the least-significant bit position was 1
(that is, Bit 0 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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