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ComCheckActivity

MarxMenu uses commands like ComEchoRecChar, ComEchoSendChar and ComLocalInput on host programs and ComWriteRecChar and ComSendKbdChar on terminal programs to route characters comming in from various places to other places. This creates a character piping arangement within MarxMenu communication programs. Calling ComCheckActivity allows MarxMenu to move any characters pending from input devices to their output devices.

If a character is received at the serial port then ComLastChar is set. If a character wasn't received then ComLastChar is empty.

If a character is typed at the keyboard then LastKey is set. If a character wasn't typed then LastKey is empty.

See Also:	ComSendKbdChar	ComWriteRecChar	ComEchoRecChar

ComEchoSendChar

ComLocalInput

Category:	Modem

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