A line probe function within an iconic programming system. During execution of the iconic program, the user of the system can use mouse or keyboard input to select the line probe function. When selected, the line probe stops the processing of the iconic system and displays a message asking the user to...http://www.google.com.au/patents/US5377318?utm_source=gb-gplus-sharePatent US5377318 - Line probe diagnostic display in an iconic programming system
