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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To: djgpp AT delorie DOT com
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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?