![background image](http://html1.mh-extra.com/html/omron/sysmac-cs1d-cpu/sysmac-cs1d-cpu_reference-manual_742268421.webp)
382
Data Shift Instructions
Section 3-9
Flags
Precautions
When ROR(028) is executed, the Error Flag will turn OFF.
If as a result of the shift the contents of Wd is zero, the Equals Flag will turn
ON.
If as a result of the shift the contents of the leftmost bit of Wd is 1, the Nega-
tive Flag will turn ON.
Note
It is possible to set the Carry Flag contents to 1 or 0 immediately before exe-
cuting this instruction, by using the Set Carry (STC(040)) or Clear Carry
(CLC(041)) instructions.
Examples
When CIO 000000 is ON, word CIO 0100 and the Carry Flag (CY) will shift
one bit to the right. The contents of CIO 010000 will be shifted to the Carry
Flag (CY) and the Carry Flag contents will be shifted to CIO 010015.
3-9-12 DOUBLE ROTATE RIGHT: RORL(573)
Purpose
Shifts all Wd and Wd +1 bits one bit to the right including the Carry Flag (CY).
Ladder Symbol
Variations
Wd
Name
Label
Operation
Error Flag
ER
OFF
Equals Flag
=
ON when the shift result is 0.
OFF in all other cases.
Carry Flag
CY
ON when 1 is shifted into the Carry Flag (CY).
OFF in all other cases.
Negative Flag
N
ON when the leftmost bit is 1 as a result of the shift.
OFF in all other cases.
Instruction executed once
Wd
Wd: CIO 0100
RORL(573)
Wd
: Word
Wd
Variations
Executed Each Cycle for ON Condition
RORL(573)
Executed Once for Upward Differentiation
@RORL(573)
Executed Once for Downward Differentiation
Not supported
Immediate Refreshing Specification
Not supported
Содержание SYSMAC CS1D-CPU**
Страница 3: ...iv...
Страница 29: ...xxx...
Страница 185: ...146 List of Instructions by Function Code Section 2 4...
Страница 193: ...154 3 35 4 MOVE BIT MOVBC 568 1274 3 35 5 BIT COUNTER BCNTC 621 1276 3 35 6 GET VARIABLE ID GETID 286 1278...
Страница 1389: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2...
Страница 1390: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits...
Страница 1391: ...1352 ASCII Code Table Appendix A...