[comp.windows.ms.programmer] Absolute memory on protected mode?

martin@hpopd.pwd.hp.com (Martin Wink) (03/06/91)

Can anyone tell me how to access specific hardware memory from
protected mode Windows?

I know that it's done through special selectors or something, and
that they're exported by KERNEL.EXE.

eg an MDA card's memory can be accessed at B000:0000 through KERNEL
export #181: __B000H.  It dowsn't seem to be a function which returns
a pointer to memory, and simply referencing it as if it was a pointer
doesn't work either.

any clues???????
  martin wink...