CHANGE METHOD FOR CONTROL PROGRAM

摘要

PROBLEM TO BE SOLVED: To change a control program without stopping a computer system. SOLUTION: A changed execution code 133 and an increased data code 134 are fetched from the object codes of a changed control program and stored in an external storage device 102. Then, the changed execution code 133 is loaded in an execution code area and an auxiliary execution code area and after the increased data code 134 is loaded in an auxiliary data code area, the processing of the control program is started again.