Ex parte IIDA et al. - Page 2




              Appeal No. 95-4466                                                                                         
              Application 08/135,188                                                                                     


                                                   BACKGROUND                                                            

                     The present invention is directed to a process for creating a control program for a                 
              programmable controller.  The control program includes both basic program instructions                     
              which can be directly accessed by the processor and subroutines of program instructions                    
              which are not included in the basic elements.  These subroutines of program instructions                   
              are stored in an auxiliary memory.  The auxiliary memory is accessed and the subroutines                   
              of program instructions are retrieved and stored in consecutive addresses in the main                      
              memory in the sequence in which they were retrieved.                                                       
                     Claim 18 is the sole remaining claim and is reproduced below:                                       
                     18.   A method of creating a control program for a programmable controller for                      
                     controlling a controlled device, comprising the steps of:                                           
                            (a)   entering into a main memory, by use of an input device, a                              
                            sequence program making up a sequence of operations to be                                    
                            incorporated into said control program, items which are entered to                           
                            make up said sequence program including:                                                     
                                   (1)   basic program instructions which are directly executable                        
                                   by a processing unit;                                                                 
                                   (2)   common operation designation names of application                               
                                   instructions, said application instructions each being the title of                   
                                   a respective subroutine composed of certain ones of said                              
                                   basic program instructions, said subroutines being previously                         
                                   stored in an auxiliary memory; and                                                    





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