| 摘要 |
PURPOSE:To reduce a program loading area by saving the necessary information stored in a 1st module into a reset data saving area and transferring the program executing right to a 2nd module after unloading and loading the necessary units. CONSTITUTION:When a 2nd module B is called out of a 1st module A, a calling means 1 saves and sets the static information and the return position information on the module A to a reset data saving area 3. A loading unit including the module B is loaded after a loading unit including the module A is unloaded and the program executing right is transferred to the module B. In the same way, the program executing right is returned to the module A from the module B. Thus it is not required to equalize the loading units with each other nor to secure the limited exclusive relation between both modules. As a result the program loading area is reduced in a module calling system without having a large and complicated constitution.
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