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From: | "Tonu Aas" <tonu AT ids DOT ee> |
Newsgroups: | comp.os.msdos.djgpp |
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Subject: | Re: Async COM managing |
Date: | Mon, 8 Jan 2001 13:13:09 +0200 |
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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.
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