COM activates or deactivates the communications interrupt routine.
These statements must be initialised with an ON COM statement.
10 ON COM GOSUB 1000 20 COM ON 1000 REM TRAP ROUTINE 1010 LINPUT A$ ... 1990 RETURN
These statements decide what action is taken on receiving communications. The interrupt occurs on the first character.
- COM ON
When executed, allows trapping of communications by the ON COM statement. If the previous state was COM OFF then the buffer is cleared by this statement.
- COM OFF
The trapping is deactivated and all communications interrupts are ignored.
- COM STOP
Communications interrupts are noted but not acted upon by the ON COM statement until a COM ON is executed.