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Mail Archives: djgpp/2006/12/17/03:30:51

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From: "Alexei A. Frounze" <alexfru AT chat DOT ru>
Newsgroups: comp.os.msdos.djgpp
References: <4f4 DOT 5f7fe79 DOT 32b650fa AT aol DOT com>
Subject: Re: Can DJGPP work with Windows XP dos box?
Date: Sun, 17 Dec 2006 00:18:30 -0800
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NTVDM is a special virtual environment/machine to make old DOS programs =
run under Windows. Unfortunately, it's broken in several ways starting =
with Windows 2000. It gets worse in Vista, where must-have graphics =
modes for those old DOS programs are optional to implement. Finally, =
none of 16-bit DOS and 32-bit Dos Protected Mode Interface applications =
won't work under any 64-bit Windows as-is. You will have to install some =
virtualization software like VMWare, Virtual Server/PC, Bochs, QEMU, =
etc, create a virtual PC with a virtual HDD in it, install DOS in it and =
run all your DOS apps in there. The only more-or-less guaranteed way. =
Sigh.

Alex
  <Sterten AT aol DOT com> wrote in message =
news:4f4 DOT 5f7fe79 DOT 32b650fa AT aol DOT com...
  what's NTVDM ?

  I always use it in a DOS box.

  I can't use makefile and have problems with keyboard and graphics =
commands.

  I had used it before under plain DOS and some of my old programs don't =
work
  in a DOS-box under XP.
  So sometimes I have to boot DOS from disk and use DJGPP from there.

  So, it works from DOS and from a DOS-box, but AFAIR there had been =
some problems,
  when I first installed it.
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=3DContent-Type content=3D"text/html; =
charset=3Diso-8859-1">
<META content=3D"MSHTML 6.00.5730.11" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY id=3Drole_body style=3D"FONT-SIZE: 10pt; COLOR: #000000; =
FONT-FAMILY: Arial"=20
bottomMargin=3D7 bgColor=3D#ffffff leftMargin=3D7 topMargin=3D7 =
rightMargin=3D7>
<DIV>NTVDM is a special virtual environment/machine to make old DOS =
programs run=20
under Windows. Unfortunately, it's broken in several ways starting with =
Windows=20
2000. It gets worse in Vista, where must-have graphics modes for those =
old DOS=20
programs are optional to implement. Finally, none of 16-bit DOS and =
32-bit Dos=20
Protected Mode Interface applications won't work under any 64-bit =
Windows as-is.=20
You will have to install some virtualization software like VMWare, =
Virtual=20
Server/PC, Bochs, QEMU, etc, create a virtual PC with a virtual HDD in =
it,=20
install DOS in it and run all your DOS apps in there. The only =
more-or-less=20
guaranteed way. Sigh.</DIV>
<DIV>&nbsp;</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>&lt;<A href=3D"mailto:Sterten AT aol DOT com">Sterten AT aol DOT com</A>&gt; =
wrote in=20
  message <A=20
  =
href=3D"news:4f4 DOT 5f7fe79 DOT 32b650fa AT aol DOT com">news:4f4 DOT 5f7fe79 DOT 32b650fa AT aol.=
com</A>...</DIV><FONT=20
  id=3Drole_document face=3DArial color=3D#000000 size=3D2>
  <DIV>what's NTVDM ?</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>I always use it in a DOS box.</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>I can't use makefile and have problems with keyboard and graphics =

  commands.</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>I had used it before under plain DOS and some of my old programs =
don't=20
  work</DIV>
  <DIV>in a DOS-box under XP.</DIV>
  <DIV>So sometimes I have to boot DOS from disk and use DJGPP from =
there.</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>So, it works from DOS and from a DOS-box, but AFAIR there had =
been some=20
  problems,</DIV>
  <DIV>when I first installed =
it.</DIV></BLOCKQUOTE></FONT></BODY></HTML>

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