Siemens SIMATIC IM 151/CPU Manual page 178

Instruction List
B.32 Rotate Instructions
Rotation of the contents of ACCU1 to the left or right by the specified number of
places. If an address ID is not specified, rotate by the number specified in
ACCU2-LL.
In-
Address
struc-
ID
tion
RLD Rotate the contents of ACCU1 to the left
RLD 0 to 32
RRD Rotate the contents of ACCU1 to the right
RRD 0 to 32
Status word for: RLD, RRD
Instruction depends on:
Instruction controls:
RLDA Rotate the contents of ACCU1 one bit posi-
tion to the left through condition code bit
CC 1
RRDA Rotate the contents of ACCU1 one bit posi-
tion to the right through condition code bit
CC 1
Status word for: RLDA, RRDA
Instruction depends on:
Instruction controls:
B-44
Description
BR A1 A0
– – –
– Yes Yes
BR A1 A0
– – –
– Yes 0
Length
Typical Execution Time in
in
s
Words
1 3.3
3.4
1 3.5
3.5
OV OS OR STA
– – – –
Yes – – –
1.9
1.9
OV OS OR STA
– – – –
0 – – –
ET 200S Interface Module IM 151/CPU
A5E00058783-01
RLO /FC
– –
– –
RLO /FC
– –
– –