18 May
2005
18 May
'05
10:30 a.m.
----- Original Message -----
From: "Dennis Boone" <drb at msu.edu>
To: <cctech at classiccmp.org>
Sent: Wednesday, May 18, 2005 6:03 AM
Subject: PDP-11 lamp test
Jay:
Try this:
Location Contents Opcode Comment
001000 012700 mov #1,r0 Load 1 into R0
001002 000001
001004 006100 rol r0 Rotate R0 left
001006 000005 reset Initialise bus (70ms)
001010 000775 br .-4 Loop back to 'rol r0'
from:
http://www.psych.usyd.edu.au/pdp-11/11_40.html#chaser
Not sure if it works on all models.
De
This is the one I mentioned - it runs too fast to allow the filaments to
light on the 11/45. I guess it was meant for an 11/70 (with LED's on the
console, instead of bulbs).
Jim.