AT END OF NEW EMPTY FILE                                                        
LOC = 1                                                                         
LOF = 0                                                                         
SEEK= 1                                                                         
                                                                                
AT END OF NON-EMPTY FILE < 128                                                  
LOC = 1                                                                         
LOF = 8                                                                         
SEEK= 9                                                                         
                                                                                
AT END OF NON-EMPTY FILE = 128                                                  
LOC = 2                                                                         
LOF = 128                                                                       
SEEK= 129                                                                       
                                                                                
AT START OF NON-EMPTY FILE = 128                                                
LOC = 1                                                                         
LOF = 128                                                                       
SEEK= 1                                                                         
                                                                                
AT END OF NON-EMPTY FILE = 128                                                  
LOC = 1                                                                         
LOF = 128                                                                       
SEEK= 128                                                                       
                                                                                
REAAD CHAR AT START OF NON-EMPTY FILE = 128                                     
  A$=[1]                                                                        
LOC = 1                                                                         
LOF = 128                                                                       
SEEK= 2                                                                         
                                                                                
READ CHAR AT END OF NON-EMPTY FILE = 128                                        
  A$=[0]                                                                        
LOC = 2                                                                         
LOF = 128                                                                       
SEEK= 129                                                                       
                                                                                
