[GEM Development] Talking of interesting screenshots...

[Liam Proven]

John Elliott wrote:

>   I know what DOS Plus is, and I've got copies of the BBC and IBM versions.
> But there are also hints of a Concurrent-DOS port to the Acorn coprocessor.
> For example, the GEM driver for the Master 512 checks for Concurrent DOS,
> and behaves differently if it finds it (for example, it has to MC_ALLOC a
> frame buffer rather than using the CGA screen at B800:0).

I thought you would; the additional info was more for other readers out 
there. Thing is, I was an Acorn user and quondam owner, back in the day, 
and I recall the 80186 copro machines coming with DOS+. It wasn't 
terribly MS-DOS compatible but then the Acorn hardware wasn't terribly 
PC-compatible either, so it didn't matter too much, was cheaper to 
license, & offered some theoretical technical advantages.

I'm not saying there was never a CDOS port - you have some interesting 
leads there - but I never saw or even heard of it, whereas I am positive 
the boxes shipped with DOS+. I can try and find some references for 
this, if you'd like...?

-- 
Liam Proven
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