🚀 go-pugleaf

In article <2698@mindlink.UUCP> a35@mindlink.UUCP (Bruce Atherton) writes:
>The third method, and one I am sorry they didn't include as part of
>VROOMM, would be to use normalized pointers and store the page
>information in the unused part.
...
>
>Why couldn't there be a variant of the Huge memory model called Virtual,
>that used those unused bits to store page information for a memory
>manager?  Some function must be ensuring that the pointers stay
>normalized.  If that function is called whenever a pointer is
>dereferenced, a virtual memory manager would be simple to implement and
>almost invisible to the programmer.
>
>I know, I know.  That ain't the way Turbo C++ works.  Is there anything
>that does, other than Zortech?

Turbo Pascal also uses normalized pointers, and there's a package available
(called HEAP55.xxx for TP 5.5) that calls an interrupt every time a pointer
is dereferenced.  

Duncan Murdoch