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- Path: sparky!uunet!mcsun!uknet!comlab.ox.ac.uk!njl.materials.ox.ac.uk!long
- From: long@vax.ox.ac.uk (Neil J. Long)
- Newsgroups: gnu.gcc.help
- Subject: djgpp and direct memory access??
- Message-ID: <long.25.0@vax.ox.ac.uk>
- Date: 15 Sep 92 08:43:03 GMT
- Organization: Materials Department, University of Oxford
- Lines: 10
-
- Hi
- Could someone email me with any info regarding the possibility of accessing
- specific memory locations in a PC. I would like to convert 'normal' DOS
- programs which use 'far pointers' set to d000000 to access data in an
- acquisition card and to communicate with its on-board Z80.
- I am not sure how to access physical memory while in the extended and
- protected mode offered by djgpp.
- Easy? possible? such a pain that it is not worth the hassle?
- Thanks
- Neil
-