Ex parte ABE et al. - Page 2




          Appeal No. 1997-2212                                       Page 2           
          Application No. 08/233,387                                                  


                                     BACKGROUND                                       
               During production of a microprocessing architecture,                   
          a new microprocessor and software for the microprocessor are                
          sometimes developed concurrently.  In developing the software,              
          an executable program for the microprocessor must be debugged.              
          When the time comes to debug the program, if the                            
          microprocessor is not yet complete, the program cannot be                   
          debugged on the microprocessor.  Instead, a simulator is used               
          to debug the program.                                                       


               A simulator for an existing architecture cannot be used,               
          as is, to debug the program.  A conventional simulator must be              
          modified or a new simulator must be developed.  Neither task                
          is simple.  When several new architectures are developed, and               
          selecting one architecture to be used is necessary, moreover,               
          simulators corresponding to each of the new architectures must              
          be prepared.  Furthermore, execution of simulation is time-                 
          consuming.                                                                  


               The invention at issue in this appeal enables a                        
          executable machine code developed for a new microprocessing                 







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