Mail Archives: djgpp/2007/04/27/01:17:43
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| NNTP-Posting-Date: | Fri, 27 Apr 2007 00:07:13 -0500
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| From: | "Alexei A. Frounze" <alexfru AT chat DOT ru>
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| Newsgroups: | comp.os.msdos.djgpp
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| References: | <c25 DOT 14a1eb48 DOT 336066dc AT aol DOT com>
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| Subject: | Re: no DPMI memory under Windows vista
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| Date: | Thu, 26 Apr 2007 22:03:27 -0700
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This is a multi-part message in MIME format.
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If you want both, virtual machines are the solution. Or separate =
physical machines connected with a network.
I remember there used to be one or maybe even more projects that could =
make win32 executables out of 32-bit DPMI ones. Of course, the scope was =
limited to the console apps, but it was a proof of concept that such a =
conversion is possible. However, I think this days it's not gonna worh =
it. It's better to redesign and reimplement the existing code to be more =
portable and working on windows. I reiterate, these days windows isn't =
as unexplored and scary as it was some 10 years ago. Learn message =
dispatching, threads and DirectX and you'll already be able to implement =
most of the DOS stuff including graphics.
Alex
<Sterten AT aol DOT com> wrote in message =
news:c25 DOT 14a1eb48 DOT 336066dc AT aol DOT com...
but can't we just include some old platform to support the old =
DOS-programs ?
switch from Vista back to an XP-like-cmd.exe and then back to Vista on =
exit
Even if you -maybe- could easily write Vista-programs from now on,
old programs from decades of DOS-programming would be lost !
Thousands of hours of programming, research, old papers and references
can't be verified etc.
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<DIV>If you want both, virtual machines are the solution. Or separate =
physical=20
machines connected with a network.</DIV>
<DIV> </DIV>
<DIV>I remember there used to be one or maybe even more projects that =
could make=20
win32 executables out of 32-bit DPMI ones. Of course, the scope was =
limited to=20
the console apps, but it was a proof of concept that such a conversion =
is=20
possible. However, I think this days it's not gonna worh it. It's better =
to=20
redesign and reimplement the existing code to be more portable and =
working on=20
windows. I reiterate, these days windows isn't as unexplored and scary =
as it was=20
some 10 years ago. Learn message dispatching, threads and DirectX and =
you'll=20
already be able to implement most of the DOS stuff including =
graphics.</DIV>
<DIV> </DIV>
<DIV>Alex</DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV><<A href=3D"mailto:Sterten AT aol DOT com">Sterten AT aol DOT com</A>> =
wrote in=20
message <A=20
=
href=3D"news:c25 DOT 14a1eb48 DOT 336066dc AT aol DOT com">news:c25 DOT 14a1eb48 DOT 336066dc AT ao=
l.com</A>...</DIV><FONT=20
id=3Drole_document face=3DArial color=3D#000000 size=3D2>
<DIV> </DIV>
<DIV> </DIV>
<DIV>but can't we just include some old platform to support the old=20
DOS-programs ?</DIV>
<DIV> </DIV>
<DIV>switch from Vista back to an XP-like-cmd.exe and then back to =
Vista on=20
exit</DIV>
<DIV> </DIV>
<DIV>Even if you -maybe- could easily write Vista-programs from now =
on,</DIV>
<DIV>old programs from decades of DOS-programming would be lost =
!</DIV>
<DIV> </DIV>
<DIV>Thousands of hours of programming, research, old papers and=20
references</DIV>
<DIV>can't be verified etc.</DIV></BLOCKQUOTE></FONT></BODY></HTML>
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