From: johan AT technologist DOT com (Johan Levin) Newsgroups: comp.os.msdos.djgpp Subject: Q: DMA buffer allocation Date: 1 Sep 1997 17:08:26 GMT Organization: - Lines: 18 Message-ID: <5uesqa$p9u@mn5.swip.net> NNTP-Posting-Host: dialup92-6-16.swipnet.se Mime-Version: 1.0 Content-Type: Text/Plain; charset=US-ASCII NNTP-Posting-User: s-49839 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Precedence: bulk I wish to allocate a DMA buffer. How do I do that in DJGPP? Must DMA buffers be in the low 1 MB? I know that DMA buffers may not cross a 64k border. If I allocate a buffer in DJGPP how do I know that it doesn't cross such a border - virtual memory and paging tend to make you lose control of these things. TIA -- Johan Levin Sweden ------------------------------------------ homepage: http://home2.swipnet.se/~w-21572 mail : mailto:johan AT technologist DOT com