Mail Archives: djgpp/2001/08/17/18:15:05.1

From: jp_prongs AT yahoo DOT com (Nick)
Newsgroups: comp.os.msdos.djgpp
Subject: Thoughts on physical address and DMA
Date: 17 Aug 2001 15:12:58 -0700
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Message-ID: <>
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NNTP-Posting-Date: 17 Aug 2001 22:12:59 GMT
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Since you add `__djgpp_conventional_base' to a physical address to
convert it to a linear address, could you possibly _subtract_ it from
a linear address to convert it to a physical address? If so, could the
physical address be used for DMA?

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