| 摘要 |
PURPOSE:To reduce number of position of address revisions by using a relay program so as to call a program to be called according to contents of the 2nd and 1st call tables when a call request of the called program comes from the call program thereby eliminating the need for the address change in the call program. CONSTITUTION:A table is used to call a program indirectly. Thus, locations to store a head address of each program are only tables T1, T2 provided for each segment. Thus, the program linkage is revised in an optional segment and if the head address of the program changes, since only the content of table of the corresponding segment has only to be revised, the revision is remarkably simplified more than a conventional call system where the corresponding address in the call program is to be evised one by one while it is being found out and the mistake in case of revision is considerably decreased.
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