Mail Archives: djgpp/1994/02/10/16:25:39
> > Could he run in VCPI mode and make a custom GO32 to map the frame grabber
> > memory somewhere, just as the first megabyte gets mapped to e0000000?
> He could, but it would require a custom go32, and V2.0 will only
> support DPMI anyway.
Would the mythical DPMI 1.0 allow mapping this physical segment so that it
could be accessed without using "far" pointers? The question of how to
access special devices out beyond 1MB will keep coming up, and for things
like image processing, the overhead of copying to ordinary memory can hurt
performance.
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