[arachne] Re: PTS DOS 2000 Pro
- From: "Samuel W. Heywood" <sheywood@xxxxxxxxxxx>
- To: arachne@xxxxxxxxxxxxx
- Date: Fri, 24 Aug 2007 23:39:17 -0400
Arachne at FreeLists---The Arachne Fan Club!
On Sat, 2007-08-25 at 08:26 +0930, Greg Mayman wrote:
> Arachne at FreeLists---The Arachne Fan Club!
>
> On Fri, 24 Aug 2007 09:35:07 +0000, Udo Kuhnt wrote:
>
> > Arachne at FreeLists---The Arachne Fan Club!
>
> > Hi Greg,
>
> >> I have a heap of single-density single-sided 5-1/4 inch floppies that
> >> I'd like to be able to get the data from, but since my Amstrad
> >> twin-floppy PC died, I haven't been able to read them on anything.
>
> > why do you not simply buy a new drive and install it in whatever machine
> > you like? It is not like 5 1/4" drives are no longer available, and any
> > DOS can probably read even the most ancient disk format.
>
> I thought it would be more fun to run an emulation on a notebook <GGGGGG>
>
> Just kidding.
>
> I already have both 5-1/4 and 3-1/2 inch drives on my main computer, and
> recently I've inherited another from a friend also with both size drives.
>
> OTOH, it would be interesting to know exactly what is meant by an
> emulation of a twin floppy XT that runs on a notebook. For one thing,
> how would they emulate those twin floppies.
>
> For another, there is the reliability -- those XTs were built like the
> old side-valve V8 engines of the 1930s and 40s, and would just keep
> going and going and going! How the heck would they emulate that?
>
> Regards from Greg Mayman in Adelaide, South Australia
> 35d 01'44" S 138d 32'13" E
XTCE emulates an XT machine by having the Windows CE device pretend to
have two floppy drives, A: and B:. You can enter DOS commands or run
batch files for changing from one disk to another. The amount of RAM
that the emulator will allocate for each emulated floppy disk depends on
whatever type(s) of floppy disks you want to pretend to be using. I
believe that what actually happens inside the CE device when you run
XTCE is that the machine dynamically sets of two virtual drives, A: and
B:. When you exit from XTCE the program remembers how the emulated
floppies were set up the last time you used them and it also remembers
all of the files that were stored upon each. The next time you go back
into XTCE everything will still be set up for you just as it was the
last time you used it. For being just a DOS emulator, this one is way
cool!
Sam Heywood
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