Using DDR RAM

Hi Brett,

Yes ... I was thinking of that when I wrote my post.

John.

Brett Wildermoth wrote:
> With the australian dollar so strong right now, it has never been a
> better time to buy from amazon.....
>
> Brett Wildermoth BEng (ME) MPhil
> Lecturer - Griffith School of Engineering
> Email: B...@griffith.edu.au
>
>

--
http://www.johnkent.com.au
http://members.optusnet.com.au/jekent



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--- In f..., John Kent wrote:
>
> Hi Tommy,
>
> I don't really like using my Visa card on the internet. I'm always
> worried about key loggers. I do run internet security software, but I'm
> still worried about it.

Around here, our exposure to fraudulent transactions is limited to $50. Beyond that, the bank eats it (and passes it along...).

I use my Visa at least a couple of dozen times per month for online transactions and I have been doing it for as long as there have been online suppliers. I don't give it a moment's thought.

Richard



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--- In f..., Jon Kirwan wrote:
>
> On Mon, 05 Oct 2009 13:04:44 -0000, you wrote:
>
> >--- In f..., Hellwig Geisse wrote:
> >>
> >> Hi Richard,
> >>
> >> > As you may recall, I got the IBM 1130 emulation to run on that board

Is the 1130 emulation available for download any where? At present I am using SIMH with hacks to run my plotter, but VHDL would be more interesting.
> >> > and since then I have also gotten a PDP11-xx to run. The xx would be
> >> > -40 if I had the MMU working. As it is, it runs RTL fairly well. I
> >> > want the -40 version so I can run Unix V6.
> >>
> >> very nice! If I remember correctly, the MMU of the -40 isn't
> >> that complicated, so that the effort of implementing it should
> >> be moderate.
> >
> >There is a project http://shimizu-lab.dt.u-tokai.ac.jp/pop11.html that
> >has all the details for the PDP11-40.
> >
> >The logic is written in another HDL named SFL. It's a wonderful
> >language but, for whatever reason, when the provided VHDL translator
> >converted the code, I couldn't get XST to accept it. There is also
> >the problem familiar to all compiled code: the output is nearly
> >unreadable. Hundreds of nets all similarly named with a numeric
> >suffix.
>
> Wasn't the link for a verilog translator? I assume XST accepts that
> but the sfl2vl was noted as verilog, not VHDL, on that web page. Does
> sfl2vl produce VHDL, as well?
>
> >I think I'll look at the PDP11-40 simulator and see how they did the
> >MMU.
> >
> >
> >I'll get back to the PDP-11 in a month or two.
> > I'm wondering where one might come across an old PDP-11/45 or
> PDP-11/70 front panel. The switch system, at the very least, would be
> nice to have. Probably hard to come across, though.
>
> Jon
>



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--- In f..., "g4ugm" wrote:
>
> --- In f..., Jon Kirwan wrote:
>
> Is the 1130 emulation available for download any where? At present I am using SIMH with hacks to run my plotter, but VHDL would be more interesting.
>

It isn't available on the Internet but I can email you a .zip file.

Richard



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