| 摘要 |
PURPOSE:To easily modify a storage to store the data stored as a secret data as a normal data and, on the contrary, to store the data stored as a normal data as a secret data by transferring a stored data between two data storage areas. CONSTITUTION:In the data storing device capable of storing a normal data and a secret data, on optional data already stored in either of the normal data storing area to store a normal data and the secret data storing area to store a secret data is specified, and is transferred to the other area. A arithmetic part 19 executes switch-processing and display-processing, and the resulting data of arithmetic operation is inputted to an address part 20 and a RAM15. The part 19 executes a judge operation to let the part 20 exchange the address in a ROM21. |
