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418
Increment/Decrement Instructions
Section 3-10
The Equals Flag will be turned ON if the result is 0000 and the Carry Flag will
be turned ON when a digit changes from 9 to 0.
Both the Equals Flag and the Carry Flag will be turned ON when the content
of Wd changes from 9999 to 0000.
Flags
Precautions
The content of Wd must be BCD. If it is not BCD, an error will occur and the
Error Flag will be turned ON.
Examples
Operation of ++B(594)
In the following example, the BCD content of D00100 will be incremented by 1
every cycle as long as CIO 000000 is ON.
Operation of @++B(594)
The up-differentiated variation is used in the following example, so the content
of D00100 will be incremented by 1 only when CIO 000000 has gone from
OFF to ON.
Wd
Wd
Name
Label
Operation
Error Flag
ER
ON if the content of Wd is not BCD.
OFF in all other cases.
Equals Flag
=
ON if the content of Wd is 0000 after execution.
OFF in all other cases.
Carry Flag
CY
ON if a digit in Wd went from 9 to 0 during execution.
OFF in all other cases.
D00100
D00100
Increment Increment Increment Increment
Wd:
Wd:
: Execution of ++B(594)
Incremented every cycle
while CIO 000000 is ON.
@++B
D00100
D00100
Increment
Increment
Wd:
Wd:
: Execution of @++B(594)
Incremented only for
up-differentiation.
Содержание SYSMAC CS Series
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Страница 4: ...iv ...
Страница 30: ...xxx ...
Страница 186: ...146 List of Instructions by Function Code Section 2 4 ...
Страница 194: ...154 3 35 4 MOVE BIT MOVBC 568 1273 3 35 5 BIT COUNTER BCNTC 621 1275 3 35 6 GET VARIABLE ID GETID 286 1277 ...
Страница 1320: ...1280 Model Conversion Instructions Unit Ver 3 0 or Later Section 3 35 ...
Страница 1390: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...
Страница 1391: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits ...
Страница 1392: ...1352 ASCII Code Table Appendix A ...
Страница 1404: ...1364 Revision History ...