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Instruction Format
(3) Source (S)
The source contains the data to be used for operation.
The data changes depending on the specified device.
(4) Destination (D)
The destination stores the data resulting from operation. Note that if the format
consists of + + ,
the data to be used for operation must have been stored into the destination
before operation.
At the destination, always specify the device for storing data.
• Constant .................................. Specify the numerical value to be used for
operation. Since this value is set at the time of
program creation, it is fixed and cannot be
changed during program execution.
• Bit device .................................
Word device
Specify the device that stores the data to be
used for operation. Therefore, the data must
have been stored into the specified device until
operation is executed. By changing the data
stored into the specified device during program
execution, the data used for that instruction can
be changed.
REMARKS
•In this manual, the source and destination are abbreviated as follows.
Source................................
Source 1.............................
Source 2.............................
Destination .........................
Destination 1 ......................
Instruction part Source device Destination device
S
S1
S2
D
D1