)
Values for PC/TCP event type:
 00h	alarm
 01h	open (successfully opened stream connection)
 02h	receive (data available)
 03h	transmit (ACK received on stream connection)
 04h	transmit flush???
 05h	foreign close (remote host closed data connection)
 06h	close (local host closed connection and protocol is complete)
 07h	error (error code passed to handler as arg)