Siemens CPU 414-2 - Rotate Instructions

Rotate Instructions
77
S7-400 Instruction List
A5E00267845-01
Rotate Instructions
Rotate the contents of ACCU1 to the left or right by the specified number of places. If no address identifier is specified, the contents of
ACCU2-LL are used as the number of places. The last bit shifted is loaded into condition code bit CC1.
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
RLD Rotate the contents of ACCU1 to
the left
1 0.1 0.06 0.04 0.03
RLD 0 ... 32
the left
RRD Rotate the contents of ACCU1 to
the right
1 0.1 0.06 0.04 0.03
RRD 0 ... 32
the right
Status word for: RLD, RRD BR CC1 CC0 OV OS OR STA RLO /FC
Instruction evaluates: – – – – – – – – –
Instruction affects: – Yes 0 0 – – – – –