PURPOSE: To attain ease of review and debugging, by combining command types with key types and forming and storing a control table for performing retrieval with the table.
CONSTITUTION: When a data is transmitted to a central processing unit 2, all data and the types of PF key/enter key inputted entirely so far are informed. In receiving the transmission data at a control section 21 of the central proccessing unit 2, a prescribed processing is executed based thereon. The data are handled as data as they are, and the function of a program of the central processing unit depends on the key type and the command type, and the succeeding processing are different. The retrieval finding out a program module to execute the succeeding processing is performed by retrieving a control table 10 based on the key and the command types received at the control section 2 and calling out the registered processing module.
NEGISHI ETSUKO
AOKI EIICHI
| JPS5559554A | 1980-05-06 |