1 The constitutes and using methods of subroutine and macroinstruction during NC milling are stated.

2 The control system of DP801 chip microprocessor adopts macroinstruction which is characterized by its audio-visual function, so the beginners can easily master the operation.

3 The meaning of collecting NC machine status information and the workflow to realize it were described. The method of inlaying user macroinstruction, the collection and process of NC machi...

4 One of the significant technical achievements in system design lays on the implementation of efficient macroinstruction processing scheme.

5 In macroprocess system, that part of macrodefinition which forms instruction format generated by the macroinstruction.