| 摘要 |
PROBLEM TO BE SOLVED: To provide an application program capable of developing a program without being limited by a task switching function of OS. SOLUTION: This application program is provided with a plurality of tasks 100, 102, 104 and a task switching function 106. An execution right message is transmitted and received to and from the tasks 100, 102, 104, and only the task receiving the execution right message executes the processing. The task completing the processing selects the next task to be executed in cooperation with the task switching function 106 to transmit an execution right message, and is in the standby state until it next receives the execution right message.
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