PutRope:
PROC[convID: Thrush.ConversationID←Thrush.nullConvID, rope: Rope.
ROPE]
RETURNS [nb: Thrush.NB, newConvID: Thrush.ConversationID ];
Send the rope to the TTY-A port on the associated Lark, if any. Creates a conversation, if necessary. Use that convID in subsequent calls. For the duration of the conversation (kill it when done), input characters on the TTY-A port will be reported, one at a time, as ActionReports, class $larktty, type $getchar.