289
Data Shift Instructions Section 3-8
Examples When CIO 0.01 is ON, word CIO 2000 and CIO 2001 will shift one bit to the
right. “0” will be placed into CIO 2001.15 and the contents of CIO 2000.00 will
be shifted to the Carry Flag (CY).
3-8-9 ROTATE LEFT: ROL(027)
Purpose Shifts all Wd bits one bit to the left including the Carry Flag (CY).
Ladder Symbol
Variations
Applicable Program Areas
Operand Specifications
0.01
2000
Wd+1: CIO 2001 Wd: CIO 2000
Wd
ROL(027)
Wd: Word
Wd
Variations Executed Each Cycle for ON Condition ROL(027)
Executed Once for Upward Differentiation @ROL(027)
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
Area Wd
CIO Area CIO 0 to CIO 6143
Work Area W0 to W511
Holding Bit Area H0 to H511
Auxiliary Bit Area A448 to A959
Timer Area T0000 to T4095
Counter Area C0000 to C4095
DM Area D0 to D32767
Indirect DM addresses
in binary
@ D0 to @ D32767
Indirect DM addresses
in BCD
*D0 to *D32767
Constants ---
Data Registers DR0 to DR15
Index Registers ---
Indirect addressing
using Index Registers
,IR0 to ,IR15
–2048 to +2047 ,IR0 to –2048 to +2047 ,IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –)IR0 to, –(– –)IR15
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