I can't swear that nobody ever tried it, but such a demo would have been very impressive, and I can't imagine how it could have been done. Those original black-

I can't swear that nobody ever tried it, but such a demo would have been very impressive, and I can't imagine how it could have been done. Those original black-and-white Macintoshes had an 8 MHz processor, and the screen was 512x342 pixels; just performing a single cycle's worth of computation per pixel would limit you to 45 Hz. Even if you could somehow miraculously perform dithering in a single instruction per pixel, you'd have no CPU left to run the animation or do anything else.