M7264 Troubleshooting

[Paul Anderson]

I missed the part of the thread about the memory being disabled. I think
the 11/05/10 is the only PDP-11 with a few registers on the CPU that you
can run short routines. I also like the built is console SLU.

Paul


On Fri, Jun 7, 2019 at 9:18 PM Jon Elson via cctalk <cctalk at classiccmp.org>
wrote:

> On 06/07/2019 06:19 PM, Mister PDP via cctalk wrote:
> > Wow, I wasn't aware that the ODT console needed memory to run. Checking
> on
> > my board, it looks like the 4kw was disabled. I plugged in my 32kw module
> > with my M8017-AA, and it fired right up to ODT without a hassle. Seems
> that
> > was the issue all along.
> >
> >
> Oh, of course!  You can do very elementary checking of a
> switch-and-lights PDP-11 with no memory, but creating any
> sort of useful program that will run using only ROM and the
> 8 registers would be VERY challenging.  I suspect you might
> be able to get it to print some text on the terminal, but
> not a whole lot more. Obviously, no way to call a subroutine
> without a stack.
>
> Well, glad you found it!
>
> Jon
>