He refers to byte magazine's article on bitblt: https://archive.org/details/byte-magazine-1981-08/page/n185/mode/2up https://archive.org/details/byte-magazine-1

He refers to byte magazine's article on bitblt: https://archive.org/details/byte-magazine-1981-08/page/n185/mode/2up https://archive.org/details/byte-magazine-1981-08/page/n185/... Also XScreensaver's Blitspin hack: https://archive.org/details/byte-magazine-1981-08/page/n201/mode/2up https://archive.org/details/byte-magazine-1981-08/page/n201/... https://www.youtube.com/watch?v=UTtcwb-UWW8 https://www.youtube.com/watch?v=UTtcwb-UWW8