Contents of the I/O register can be displayed and its values can be changed in the IOR panel below.
Select the [View] menu >> [IOR].
For details on the contents and function in each area, see the section for the IOR panel.
This section describes the following.
2.13.3.1 Search for an I/O register
2.13.3.2 Organize I/O registers
2.13.3.3 Change display format of values
2.13.3.4 Modify the I/O register contents
2.13.3.5 Display/modify the I/O register contents during program execution