Mon Mar 30 04:55:24 2020
<9e126bf3> <https://www.jwz.org/blog/2020/03/munching-squares/>
— Munching Squares
— On a PDP-7 from 1964. Turn sound on. Exhibit A: The Type 340 XY display has a P7 phosphor has a slow decay which gives Munching Squares an eerie afterglow. Both programs read the left switches to modify patterns. A small AM radio was used to pick up RFI from the Type 347 controller. For the MIT AI lab hackers the Munching Squares “music” was referred to as Munching Tunes. Exhibit B: DATAI 2. …