| 摘要 |
PURPOSE:To reset easily information to its original state by adding the identifying information related to the change of the memory information to a command which changes the memory information. CONSTITUTION:A data processor 1 fetches successively to execute the instruction set previously on a main memory 10. A history file 9 stores the identifying information related to the change of the memory information to the application of a command, the position information on the memory information to be changed and the save information including the memory information obtained before change. A memory changing part 5 writes the save information to the file 9 together with the memory information. Then the memory information is reset to its original state at a memory restoring part according to the save information. |
