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395
Data Shift Instructions
Section 3-9
Flags
Precautions
When the shift data length (N) is 0, the contents of the beginning bit will be
copied to the Carry Flag (CY), and its contents will not be changed.
Only the bits shifted into rightmost word in the shift area (i.e. leftmost word
data) will be changed.
Examples
When CIO 000000 is ON, all bits from the beginning bit 3 to the shift data
length (B hex) will be shifted one bit to the left (from the rightmost bit to the
leftmost bit). “0” will be placed into bit 3 of CIO 0100. The contents of the left-
most bit in the shift area (bit 13 of CIO 0100) are copied into the Carry Flag
(CY).
3-9-20 SHIFT N-BIT DATA RIGHT: NSFR(579)
Purpose
Shifts the specified number of bits to the right.
Ladder Symbol
Variations
Applicable Program Areas
Name
Label
Operation
Error Flag
ER
ON when C data is not between 0000 and 000F hex.
OFF in all other cases.
Carry Flag
CY
ON when 1 is shifted into the Carry Flag (CY).
OFF in all other cases.
0
D: CIO 0100
D: CIO 0100
&3
&11
D
C
N
C: Starting from bit 3
N: 11 bits
NSFR(579)
D
C
N
D
: Beginning word for shift
C
: Beginning bit
N
: Shift data length
Variations
Executed Each Cycle for ON Condition
NSFR(579)
Executed Once for Upward Differentiation
@NSFR(579)
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification
Not supported
Block program areas
Step program areas
Subroutines
Interrupt tasks
OK
OK
OK
OK
Summary of Contents for SYSMAC CS Series
Page 2: ......
Page 4: ...iv ...
Page 30: ...xxx ...
Page 186: ...146 List of Instructions by Function Code Section 2 4 ...
Page 1320: ...1280 Model Conversion Instructions Unit Ver 3 0 or Later Section 3 35 ...
Page 1390: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...
Page 1391: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits ...
Page 1392: ...1352 ASCII Code Table Appendix A ...
Page 1404: ...1364 Revision History ...