Short test programs for pdp 11/34

[Paul Anderson]

if you are still up, feel free to call.

On Sun, Sep 25, 2016 at 9:52 PM, devin davison <lyokoboy0 at gmail.com> wrote:

> Thanks for all the helpful information. The machine looks to be working. I
> found a few different key in programs. I can get to the console emulator
> prompt on the attached vt100. I keyed in a few short programs to write to
> the vt100 and they worked as expected. One step closer. I am about to
> install the disk drive controller and connect the drive, i do have a bunch
> of disks labeled for rsx, what is the procedure for booting off of a disk
> pack?
>
> On Sat, Sep 24, 2016 at 4:11 AM, Don North <ak6dn at mindspring.com> wrote:
>
> > On 9/23/2016 6:15 PM, Paul Popelka wrote:
> >
> >> You might try looking at the M9312 proms that Don North has made
> >> available here:
> >> http://www.ak6dn.com/PDP-11/M9312/
> >>
> >> If you have an M9312 in your system it will have the basic console prom
> >> in it.
> >> There are listings of the prom contents on that web page.
> >>
> >> There is also a simple diagnostic prom that loops forever near the
> bottom
> >> of the page.
> >> If you don't have an M9312 then you could probably key in a program from
> >> the rom listings provided.
> >>
> >> I'd bet Don will be along shortly to provide a better explanation.
> >>
> >
> > Basically correct. The 'ZZ' pseudo boot PROM I generated just runs the
> > basic diagnostics contained
> > within the associated 248F1 11/04-34 console PROM in a continuous loop.
> >
> > The diagnostics are very simple, and do a number of datapath and register
> > checks, as well as a low memory
> > (0-28KW) write/read/check confidence test.
> >
> > Not comprehensive by any means but having the diag in PROM and not
> reliant
> > on any peripherals (except
> > the console TTY interface) is sometimes a very useful starting point for
> > system debug.
> >
> > If anyone wants one of the programmed console PROMs (a 256x4 82S129)
> > programmed with the ZZ pattern
> > just ping me at the email address shown on the above mentioned website
> (or
> > this post).
> >
> > I can also provide programmed 82S129 devices for any of the other
> > available DEC boot PROMs should anyone
> > need one.
> >
> > Cost will be free for low quantities (ie one or two for personal use).
> > Cost negotiated for larger quantities.
> >
> > Don
> >
> >
>