Ex parte GETZLAFF et al. - Page 2




          Appeal No. 96-0635                                                          
          Application 08/132,410                                                      



          all the claims remaining in the application.  An amendment                  
          after final rejection was filed on March 20, 1995 and was                   
          entered by the examiner.                                                    
          The disclosed invention pertains to a computer system                       
          for executing microinstructions.  More particularly, first and              
          second buffers are provided for storing transient and                       
          relatively permanent microinstructions respectively.  The                   
          invention is related to the manner in which erroneous                       
          instructions in the buffers are detected and the manner in                  
          which erroneous instructions are replaced.                                  
          Representative claim 9 is reproduced as follows:                            
               9.  A computer system for executing microinstructions,                 
          said system comprising:                                                     
               a processor;                                                           
               a first buffer for storing a plurality of blocks of                    
          transient microinstructions;                                                
               a second buffer for storing a plurality of blocks of                   
          microinstructions which are loaded at power up and remain                   
          loaded except if erroneously loaded;                                        
               means for directing said processor to execute                          
          microinstructions in order and determining when a next                      
          microinstruction to be executed is not stored in said first or              
          second buffers;                                                             


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