Virtual I/O Ports < Viivi I/O Targets < Viivi's Cell < Entrance



Virtual I/O-Ports

In the IDE-mode, I/O-port-windows are created for the corresponding I/O-ports whose targets are external files and network-ports, respectively.
Using the virtual I/O-ports, the user can create only the I/O-port windows without the external files and network-ports.
When input from a virtual input-port and output to a virtual output-port are performed, their contents will be shown only on the corresponding input-port window or on the output-port window, and nothing will be done to the external files or network-ports.
In case of no-need for using external files and network-ports, and in case that some problems will occur if you use them, it is convenient to use the virtual I/O-ports.

The name for a virtual I/O-port is specified by enclosing a unique name string VIRTUALPORTNAME with square brackets "[ ]".


Names of the I/O-ports created from virtual I/O-ports contain the given unique virtual I/O-port names:

In the IDE-mode, furthermore, I/O-Port Windows are created corresponding to the I/O-Ports.
The names of the I/O-Port Windows contain the given unique virtual-port names:


In case of using a virtual-input-port, the actual input is done from the input-line on the controller, and the input string will be displayed on the corresponding input-port-window.
You can edit the string on the input-line, as the string is not input until you put an enter (newline) character.

The standard input port #<input-port:[standard]>, which is prepared by default for the standard input, is a kind of the virtual input port.
The contents input to the standard input port are only to be displayed on the standard input port window #<input-port-window:[standard]>, and have no effects to external files or network-ports.


In case of using a virtual-output-port, the actual output onto the corresponding output-port-window.

The standard output port #<output-port:[standard]>, which is prepared by default for the standard output, is a kind of the virtual output port.
The contents output to the standard output port are only to be displayed on the standard output-port-window #<output-port-window:[standard]>, and have no effects to external files or network-ports.


Virtual I/O Ports < Viivi I/O Targets < Viivi's Cell < Entrance


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Exhibited on 2022/03/02
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