"stupid" questions

Joerg Polzfusz (pilz@cs.tu-berlin.de)
Thu, 25 Jul 1996 12:53:59 +0200 (MET DST)

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Hello!
Browsing the Geos-SDK-2.0-for-Ensemble-CD I found some undocumented
features:

a) Some drivers are added with their source-code,too. (PMCIA,
SoundBlaster,...). Do they contain everything required for writing a
driver? If so, it would be very easy to write new soundcard- and
PMCIA-drivers. :-) BTW.: The source-code of the soundblaster-driver seems
to work only with IRQ 7, but my SoundBlasterPro (IRQ 5!) works perfectly
with the driver. Could it be that the source-code is older than the
distributed beta-driver?

b) Some libraries are undocumented, too: How to write screensavers? Does
the fax-library really allows creating a tif-fax-format-like "picture"?
(If so, writing a fax-program would be very easy. All you would have to do
is a "little" initialisation (modem-init and a few lines for exchanging
the fax-protocl-header) and then simply sending this above "picture".

c) What does it take to translate a fully-object-oriented c++-program o
work under geos? The one I would like to transfer consists of many classes
(with multiple inheritance,...) and a few basic i/o-routines.

d) This is a really stupid one: I can use zoomer-programs on the desktop
without any problems (as long as I've got all required drivers and
libraries). BUT if I'm writing a program for the "platform geos20" does
this program work on a zoomer, etc. without recompiling it for another
plattform?

e) The Omnigo requires a different SDK. Does this mean that "normal"
Geos-programs (for the desktop or the pdas) can't be run on it?!

Regards
Joerg
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