From: "Tonu Aas" <tonu AT ids DOT ee>
Newsgroups: comp.os.msdos.djgpp
References: <Pine DOT SUN DOT 3 DOT 91 DOT 1001224081539 DOT 7747E-100000 AT is> <9250eb$a84$00$1 AT news DOT t-online DOT com> <h2ob5t4eb075dfi877bu18r88kug5qq66i AT 4ax DOT com> <557-Fri05Jan2001203419+0200-eliz AT is DOT elta DOT co DOT il> <936lkf$7mj$01$1 AT news DOT t-online DOT com> <6137-Sat06Jan2001145950+0200-eliz AT is DOT elta DOT co DOT il> <937csu$pst$06$1 AT news DOT t-online DOT com>
Subject: Re: Async COM managing
Date: Mon, 8 Jan 2001 13:13:09 +0200
X-Priority: 3
X-MSMail-Priority: Normal
X-Newsreader: Microsoft Outlook Express 5.00.3018.1300
X-MimeOLE: Produced By Microsoft MimeOLE V5.00.3018.1300
Lines: 15
Message-ID: <3a59a0af$0$189@diablo.uninet.ee>
NNTP-Posting-Host: 194.204.53.21
X-Trace: diablo.uninet.ee 978952367 189 194.204.53.21
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

> The documentation is terse. But the PM-API is basically just a wrapper for
> the VXD-to-VXD interface of VCOMM, which is documented better.
> Constants can be looked up in the header files, ans structures are
> declared there, too.
> What I don't understand is why pointers are passed as 16:16 and not
> 16:32? Could that mean buffers have to reside in low DOS memory?

    Maybe because PM-API and V86-API are the same.
In VCOMM vxd DDB Entry they have same entry point.
Somebody says that everything except receiving (or sending) data works ok
even in V86 mode.

Tõnu.