From:	Hans-Bernhard Broeker <broeker AT acp3bf DOT physik DOT rwth-aachen DOT de>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Running v1 programs: PBMPLUS utilities
Date:	29 Feb 2000 16:09:41 GMT
Organization:	Aachen University of Technology (RWTH)
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Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> wrote:

> On Tue, 29 Feb 2000, Bob Bailey wrote:

>> D:\>pgmhist input.pgm
>> 
>> CPU must be in REAL mode (not V86 mode) to run this program without VCPI.
>> (If you are using an EMS emulator, make sure that EMS isn't disabled)

> Are you sure you have the latest version of go32.exe?  What does go32.exe 
> print when invoked with no arguments?

The problem probably is not about different versions of go32.exe.  We
had different methods of going to protected mode, within the V1.x
series of DJGPP releases. Before about 1.10, it used VCPI, and only
later, DPMI support was added as an option. Since DJGPP V2.00, DPMI is
mandatory. IIRC, exchanging go32.exe by a later, DPMI-supporting
version alone won't solve the problem, but you can try (version
1.12maint3 of go32 should still be available, on SimTel.Net).

VCPI does not work at all in a Windows DOS box, only in true DOS, with
EMM386 running in VCPI mode (i.e. no 'novcpi' switch), so that may
easily be the source of the problem.

Looks like I'll have to revisit my own PBMPLUS installation at home
and see if/how it works inside Windows.
-- 
Hans-Bernhard Broeker (broeker AT physik DOT rwth-aachen DOT de)
Even if all the snow were burnt, ashes would remain.

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