| 摘要 |
PROBLEM TO BE SOLVED: To adequately maintain a program or perform operation confirmation and debugging in development more easily and efficiently even when a plurality of different versions are available by making it possible to confirm a model as a source of a program while correlating and recording, and reading out a model diagram and task information made to correspond thereto as an execution history of the program. SOLUTION: A device is equipped with a means of storing a model and a means of executing the program in multitask environment according to the model, and the program execution state is stored sequentially together with a task operation state, and a user interface is provided and the stored model and stored execution state are read out and outputted as information. COPYRIGHT: (C)2003,JPO
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