26.05.2012 16:48, Bart Oldeman wrote:
> functions as follows:
>
> in prepare_ems_frame:
>
> static const u_short unmap[] = {0xffff, 0, 0xffff, 1, 0xffff, 2, 0xffff,
> 3};
> if (MSDOS_CLIENT.ems_map_buffer == NULL)
> MSDOS_CLIENT.ems_map_buffer = malloc(emm_get_size_for_page_map());
You need 4 pages, not emm_get_size_for_page_map()
(which could even be less that 4 if you do the wrong setup).
Of course you can still use "Get Partial Page Map" function,
if you _really_ want to do that without allocating a handle.
That should mostly be fine, but I find it a waste of time,
especially because the EMS spec is talking about TSRs
a lot itself. So allocating a few handles for TSR is a very
very valid thing to do, is recommended by the specs, what's
the use looking for the workarounds?
Anyway, I won't argue against the Get Partial Page Map way.
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