20,20,THE SCREEN DISPLAY IS A GRID 56x39 SQUARE, WITH A DOUBLE OPTION BAR ACROSS THE TOP OF THE $
20,30,SCREEN, AND AN INFORMATION BAR ACROSS THE BOTTOM. EVERY 10th LINE IS A DASHED LINE. THE $
20,40,TOP OPTION BAR CONTAINS THE MENU AND OPTION TITLES. THE BOTTOM OPTION BAR CONTAINS $
20,50,COMMANDS FOR MOUSE USERS TO SCROLL THRU THE GRID.THE  INFORMATION BAR SHOWS THE CURRENT$
20,60,SYMBOL, THE CURRENT DRIVE AND DIRECTORY AND THE CURRENTLY LOADED FILE. EDGES OF THE GRID,$
20,70,AND THE PATTERN, AND INDICATED BY A THICK BLACK LINE. THE CURSOR CANNOT BE MOVED PAST THESE LINES$