VALID DATA DISCRIMINATION SYSTEM

摘要

PURPOSE:To reduce the size of table constitution and to facilitate the code analysis by receiving a key code and retrieving the table and discriminating whether or not code information is valid. CONSTITUTION:When a digital data is sent from a sender, the data is received and an area setting an identifier is cleared. A registered table 20 is retrieved as to whether or not the received data is a data in a range represented by a head data and a tail end data in a table 20. The content of the identifier is discriminated and the identifier set in the coincident range of the data is extracted and written in the area set initially. The content of the identifier is discriminated and when the area is set, the reception data is valid and the reception data is analyzed.