Clears the whole screen to a specified character and attribute. 
               
            
 
            	 
             
               		
               Note: This routine is supported for native COBOL only. 
                  		
               
 
               	 
              
            	 
            
               Syntax:
 
               		 
               		call "CBL_CLEAR_SCR" using     character
                               attribute-buffer
                     returning status-code 
               	   
            	 
            
               Parameters:
 
               		 
               		
                
                  		
                  
                      
                        			  
                        			  
                        			  
                        			 
                         
                           				
                            
                              				  
                              |   |  
                              				  
                              Using call prototype (see 
                                 					 Key) 
                                 				  
                               |  
                              				  
                              Picture 
                                 				  
                               |  
                              				
                           
 
                           			 
                         
                        			 
                         
                           				
                            
                              				  
                              |  
                                 					 character 
                                 				  
                               |  
                              				  
                              cblt-x1-compx 
                                 				  
                               |  
                              				  
                              pic x. 
                                 				  
                               |  
                              				
                           
 
                           				
                            
                              				  
                              |  
                                 					 attribute-buffer 
                                 				  
                               |  
                              				  
                              cblt-x1-compx 
                                 				  
                               |  
                              				  
                              pic x. 
                                 				  
                               |  
                              				
                           
 
                           				
                            
                              				  
                              |  
                                 					 status-code 
                                 				  
                               |  
                              				  
                              See 
                                 					 Library Routines - Key 
                                 				  
                               |  
                              				  
                               
                                 				  
                               |  
                              				
                           
 
                           			 
                         
                        		  
                     
                    
                  		
                 
               	 
              
            	 
            
               On Entry:
 
               		 
               		
                
                  		
                  
                      
                        			  
                        			  
                        			 
                         
                           				
                            
                              				  
                              |  
                                 					 character 
                                 				  
                               |  
                              				  
                              The character to write. 
                                 				  
                               |  
                              				
                           
 
                           				
                            
                              				  
                              |  
                                 					 attribute-buffer 
                                 				  
                               |  
                              				  
                              The attribute(s) to write. Use the following table to set one or more attributes: 
                                 					  
                                 					 
                                  
                                    					 
                                    
                                        
                                          			 
                                           
                                             				
                                              
                                                				  
                                                | B"10000000" 
                                                   				  
                                                 |  
                                                				  
                                                BACKGROUND HIGHLIGHT 
                                                   				  
                                                 |  
                                                				
                                               
                                             				
                                              
                                                				  
                                                | B"01000000" 
                                                   				  
                                                 |  
                                                				  
                                                BACKGROUND-COLOR (RED) 
                                                   				  
                                                 |  
                                                				
                                               
                                             				
                                              
                                                				  
                                                | B"00100000" 
                                                   				  
                                                 |  
                                                				  
                                                 BACKGROUND-COLOR (GREEN) 
                                                   				  
                                                 |  
                                                				
                                               
                                             				
                                              
                                                				  
                                                | B"00010000" 
                                                   				  
                                                 |  
                                                				  
                                                 BACKGROUND-COLOR (BLUE) 
                                                   				  
                                                 |  
                                                				
                                               
                                             				
                                              
                                                				  
                                                | B"00001000" 
                                                   				  
                                                 |  
                                                				  
                                                FOREGROUND HIGHLIGHT 
                                                   				  
                                                 |  
                                                				
                                               
                                             				
                                              
                                                				  
                                                | B"00000100" 
                                                   				  
                                                 |  
                                                				  
                                                FOREGROUND-COLOR (RED) 
                                                   				  
                                                 |  
                                                				
                                               
                                             				
                                              
                                                				  
                                                | B"00000010" 
                                                   				  
                                                 |  
                                                				  
                                                FOREGROUND-COLOR (GREEN) 
                                                   				  
                                                 |  
                                                				
                                               
                                             				
                                              
                                                				  
                                                | B"00000001" 
                                                   				  
                                                 |  
                                                				  
                                                 FOREGROUND-COLOR (BLUE) 
                                                   				  
                                                 |  
                                                				
                                               
                                             			 
                                           
                                          		  
                                        
                                      
                                    					 
                                   
                                 					  
                                 					  
                                 					  
                                 				  
                               |