| 摘要 |
PURPOSE:To attain partial changing process without interrupting execution of a user program by inserting an instruction to jump to the head of a changed program into a specified address of an existing program by single execution of service processing. CONSTITUTION:When changing a program, an [insertion mode] key on a keyboard of a programming console 4 is depressed. Then, the part of a user program to which a new program is inserted is inputted by a program address, and a [place of insertion designation] key is depressed. The process that prepared the inserted program in a buffer D is executed according to operation of a keyboard dividing it into several times of service processing instead of making all process by service processing of one time prescribed by a timer 9. Thus, a maker of the program can prepare the insertion program confirming it throughly without haste.
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