Rotate Instructions
78
S7-400 Instruction List
A5E00267845-01
Rotate Instructions, continued
Instruc-
Address
Description
Length
in
Execution Time in
s
Instruc-
tion
Address
ID
Description
Length
in
Words
CPU 412
CPU 414
CPU 416
CPU 417
RLDA
Rotate the contents of ACCU1 one
bit position to the left through
condition code bit CC 1
0.1
0.06
0.04
0.03
RRDA
Rotate the contents of ACCU1 one
bit position to the right through
condition code bit CC 1
0.1
0.06
0.04
0.03
Status word for:
RLDA, RRDA
BR
CC1
CC0
OV
OS
OR
STA
RLO
/FC
Instruction evaluates:
–
–
–
–
–
–
–
–
–
Instruction affects:
–
Yes
0
0
–
–
–
–
–