| 摘要 |
PURPOSE:To attain efficient program loading by allowing a writing means to write a pair of two names of a preceding execution program and the succeeding execution program in a non-volatile memory based upon the two executed programs. CONSTITUTION:The writing means 7 writes program names indicated from an input device 5 in the non-volatile memory 1 in the order of execution by increasing a pointer 23 one by one. When no name is written in the memory 1, only the former half part 21 of the names forming a pair is written, and in the other case, the latter half part 22 pointed out by the pointer 23 and the former half part 21 pointed out by the pointer 23 whose contents are updated only by one point are written. Since the relation between the two programs once executed is stored in the non-volatile memory 1, complex work allowing each user to input the name of the program in each time at the 2nd time or after can be removed.
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