6F3B0250
Basic Hardware and Function
157
7. Instructions
FUN 022
XCHG
Data exchange
Expression
Input
-
[
A
XCHG
B
]
-
Output
Function
When the input is ON, the data of
A and the data of B is exchanged.
Execution condition
Input
Operation
Output
OFF
No execution
OFF
ON
Execution
ON
Operand
Name
Device
Register
Constant Index
X
Y
R
S
T.
C. XW YW RW SW
T
C
D
I
J
K
A
Operation data
Ö
Ö
Ö
Ö
Ö
Ö
Ö
Ö
Ö
Ö
B
Operation data
Ö
Ö
Ö
Ö
Ö
Ö
Ö
Ö
Ö
Ö
Example
When R005 is ON, the data of RW23 and D0100 is exchanged. If the original data of RW23 is
23456 and that of D0100 is 291, the operation result is as follows.
RW23
23456
RW23
291
D0100
291
D0100
23456
Before operation
After operation
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