PDP-11 lamp test

[Jim Beacon]

----- 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.