5 Comment=DATAI 2 ADDB 1,2 ROTC 2,-22 XOR 1,2 JRST .-4 As reported by HAKMEM, in 1962, Jackson Wright wrote the above PDP-1 code. That code still lives on in this screenhack, some 35 years later. The number of lines of enclosing code has increased substantially, however. This version is by Tim Showalter.
11 Categories=Screensaver