Re: [ros-dev] Core developer

[Andrew Faulds]

Problem is DOSBox doesn't integrate with host OS aside from "mounting"
drives. If we wanted Win3.x apps to run we'd need to include Windows
3.x or make our own.

On 8 May 2012 11:27, Wesley Parish <wes.parish(a)paradise.net.nz> wrote:
>   MS Win 3.0 as largely a DOS extender written large,
> with a graphical
>  interface.
>
>  MS Win 3.1 had a bit more of the 32-bit disk access and the like; iirc it
>  made better use of protected memory - though not much. It liked crashing.
>
>  MS Win 3.1 Windows For Workgroups was a lot closer to a 32-bit system,
>  though it - much like the remainder of the Win 3.x/9.x lineup - relied on
>  DOS as a boot loader and thunked its merry way through int21h and the like.
>
>  MS Win NT was built on a different model, taken almost completely
>  lock-stock-and-barrel from DEC's VMS and related systems. NT didn't need DOS
>  - in fact, it tended to crash badly written Win/DOS applications.
>
>  I expect DOSBox will run Win3.x/9.x apps without too much trouble, provided
>  they can access suitable DLLs.
>
>
>  On 8/05/2012, at 10:02 PM, Sven Barth wrote:
>
> >   Am 08.05.2012 11:47, schrieb Andrew Faulds:
> > >  
> > >  Ah, I see. Windows 3.1 was a 32-bit kernel running 16-bit applications,
> > >  how odd.
> > >  
> >  Ehm... no. Windows 3.x was a 16-bit system though it needed the protected
> >  mode to run (to perform 32-bit disk access, etc.).
> >
> >  Only Windows 95 was a (more) true 32-bit system (like Windows NT 3.1 was
> >  already).
> >
> >  Regards,
> >  Sven
> >
> > >   On 8 May 2012 10:37, Sven
> > > Barth<pascaldragon(a)googlemail.com>  wrote:
> > > >  
> > > >  Am 08.05.2012 11:33, schrieb Andrew Faulds:
> > > >
> > > > > Oh, I didn't think of that. Windows 3.x applications run in NTVDM?
> > > > >
> > > >
> > > >  Yes as they are basically "DOS applications" as well. Only Windows 95
> > > >  introduced a difference.
> > > >
> > > >
> > > >  Regards,
> > > >  Sven
> > > >
> > > >
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> > >
> > >
> > >  
> >
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>
>
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-- 
Andrew Faulds (AJF)
http://ajf.me/