Instruction list for S7-300 - DCE FEL ČVUT v Praze

List of Instructions List of Instructions
Shift Instructions
Shifting the contents of ACCU1 and ACCU1-L to the left or right
by the specified number of places. If no address identifier is
specified, shift the number of places into ACCU2-LL. Any positions
that become free are padded with zeros or the sign. The last
bit shifted is in condition code bit CC 1.
Instruction
Address
Identifier
Description
Length
in
Words
312*/313 314/314*
Typical Execution Time in s
315/315-2/
316-2
SLW – Shift the contents of ACCU1-L to 1 3.0 1.5 2.0 0.1
SLW 0 ... 15
the left left. Positions that become free
are provided with zeros. 1.8 0.6 0.7 0.1
SLD – Shift the contents of ACCU1 to the 1 4.5 1.7 3.1 0.1
SLD 0 ... 32
left left. Positions that become free are
provided with zeros. 4.9 2.9 3.1 0.1
SRW – Shift the contents of ACCU1-L to 1 3.0 1.5 2.0 0.1
SRW 0 ... 15
the right right.Positions Positions that become
free are provided with zeros. 1.8 0.6 0.7 0.1
SRD – Shift the contents of ACCU1 to the 1 4.5 1.7 3.1 0.1
SRD 0 ... 32
right right.Positions Positions that become free are
provided with zeros. 4.9 2.9 3.2 0.1
SSI – Shift the contents of ACCU1-L
with sign to the the right.Positions that
SSI 0 ... 15 bbecome ffree are provided id d with i h the h
sign (bit 15).
1 2.9 1.6
318-2
1.8 0.1
1.8 0.6 6
0.7 0.1
Status word for: SLW, SLD, SRW, SRD,
SSI
BR CC 1 CC 0 OV OS OR STA RLO FC
Instruction depends on: – – – – – – – – –
Instruction affects: – Yes Yes Yes – – – – –
128
S7-300 Instruction List S7-300 Instruction List
EWA 4NEB 710 6087-02 EWA 4NEB 710 6087-02
129