COMBINING MAINTENANCE PROGRAM METHOD FOR MICROCOMPUTER

摘要

PURPOSE:To combine a maintenance program to the optional position without providing a specific hard structure by saving an instruction of a program to be maintained burying the interruption instruction at combining, and carrying out the saved instruction when returning control. CONSTITUTION:When a command (c) is inputted, a maintenance combination preparating routine 8 saves a demanded address instruction of a maintained program 2 to a command saving area on the basis of data in a maintained program definition table 11, after which interruption instruction and an address ID are buried in a program 2 according to the content of the table 11. The saving and burying are repeat to complete the combination preparing of the maintenance program. On the other hand, a release command (d) is inputted, after which the instruction of the program 2 saved in the table 11 is returned to the original address position by a maintenance program combination routine 10. The processing is carried out to all demands for combining the maintenance program.