On 9/20/2010 6:30 PM, Peter C. Wallace wrote:
 Didn't the Perq scavenger have a vulture cursor? I vaguely remember that.
 (I did our first data sheets on he Perq with Metaform, printed on a
 Xerox 2700? laser printer)
 Peter Wallace
 
Yup: 
http://yahozna.dyndns.org/projects/PERQemu/scavenger.jpg
The "garbage" on the screen is simply the memory of Scavenger as it
runs; the window size is reduced so that Scavenger has more memory to
run in on low-memory systems.  (It also doubles as a progress indicator
of sorts...)
- Josh