| 摘要 |
PURPOSE:To reduce overhead by storing an instruction code common with each routine, common data, etc. into the areas secured collectively in the first started routine and using the stored instruction codes, etc. together with the secured data area used in terms of stack in other general routine. CONSTITUTION:An area which stores a PWA1 is secured on a main memory in the first routine together with the common instruction coed of the entrance processing, etc. and the common data stored in a prescribed common routine part 1-1 and a common data part 1-2 respectively. Thus the entrance processing, etc. can be processed in the subsequent general routines (excepting the first routine) by means of the stored instruction code, the common data and the data area designated by a stack pointer. This can reduce the overhead owing to a conventional case where the data area used for each routine is secured for each routine. At the same time, a series of instruction codes for the entrance processing, etc. can be facilitated with common routines.
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