[Simh] Eclipse

Stephen Merrony steve at stephenmerrony.co.uk
Fri Apr 3 02:56:27 EDT 2015


Strange, I've been running mapped RDOS on the Eclipse simulator on and 
off over the past few years and it never (to my knowledge) tickled that bug.

I would love to help in any way possible with work on an MV-series 
simulator.  It might be worth thinking about doing the MV/10000 first as 
I recall that it was often said that the MV/10000 was the 'Eagle [i.e. 
MV/8000] done right'.  Also, the microprogamming manual is available for 
that machine.

I have been collecting what little information on the MV series is 
publicly available and putting it on a little website 
http://stephenmerrony.co.uk/dg/ - I'll be expanding that and moving to a 
better, wiki-based setup soon.

Also, I now have a running MV/2500DC with AOS/VS installed :-)

Steve


On 31/03/2015 03:32, Bob Supnik wrote:
> For the few (any) users of the Eclipse, a serious bug introduced back 
> in 2005(!) was fixed today. DIVS was testing AC0 instead of AC2 for 
> the divide by zero condition and producing spurious errors. As a 
> result, AOS hasn't worked for a decade.
>
> It's now running again. See the GitHub issue list #200. The fix is the 
> same for 4.x and 3.9.x.
>
> Speaking of DG, I think it's getting to be time to circle back and 
> look at the MV8000. While higher-level documents are available, the 
> nitty-gritty design documents are lacking, and so is an online set of 
> AOS/32 manuals. So if you've been sitting on a stash of DG material, 
> now would be a good time to bring it into the light...
>
> /Bob
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