article: https://archive.org/details/creativecomputing-1981-06/page/n51/mode/1up https://archive.org/details/creativecomputing-1981-06/page/n... sequence: http

article: https://archive.org/details/creativecomputing-1981-06/page/n51/mode/1up https://archive.org/details/creativecomputing-1981-06/page/n... sequence: https://www.youtube.com/watch?v=Hzcje9gDtgw https://www.youtube.com/watch?v=Hzcje9gDtgw > I also used a large letter "O" to put a rectangle round the display of the landscape, round some groups of character displays, and around the entire picture. This was simpler than drawing a rectangle, since I had the mechanism ready made.