[Qgis-developer] ZX

Radim Blazek radim.blazek at gmail.com
Wed May 3 08:00:20 EDT 2006


On 5/3/06, Tim Sutton <tim at linfiniti.com> wrote:
> Hi
>
> Nice! That will also ease packaging and redistribution issues - we can
> just create an mp3 podcast of the qgis z80 binary that people can
> download and record onto their tape recorder and play back to the ZX.

This is realy good idea, I was not thinking about such distribution channel.
Unfortunately I cannot test it because we are using ZX Microdrive tape-loop
connected via ZX Interface 1 not a regular tape recorder.

Radim

> Excellent stuff...
>
> BTW you missed April Fools day by a month :-P
>
> Regards
>
> Tim
>
> On 5/3/06, Radim Blazek <radim.blazek at gmail.com> wrote:
> > Hi all,
> >
> > after successful PDA port:
> > http://mpa.itc.it/radim/qgis/qgis-0.0.9-grass/ipaq1.png
> > http://mpa.itc.it/radim/qgis/qgis-0.0.9-grass/ipaq2.png
> >
> > I am working to port QGIS to ZX Spectrum:
> > http://mpa.itc.it/radim/qgis/zx/img_0775.jpg
> > http://mpa.itc.it/radim/qgis/zx/img_0776.jpg
> > http://mpa.itc.it/radim/qgis/zx/img_0773.jpg
> >
> > I don't foresee many problems  especially because ZX Spectrum
> > is about 4 times bigger (without display) than a PDA. As you can see
> > on pictures I started with ZX Basic which I found too slow
> > for our purpose so I switched back to C++. It should also take less
> > time to use C++ than to port everything to Basic
> >
> > The work goes well but there are some issues  we have to sort out:
> >
> > 1. Small memory. ZX Spectrum comes only with 48 kB of memory
> >     and my current SVN trunk installation takes about 250 MB on Linux.
> >     I think that we can resolve a lot if we strip binary and libraries.
> >     Also, just one (default) icon theme and limited set of SVG symbols
> >     sould be sufficient. The rest can be possibly resolved with some
> >     kind of compressed file system?
> >
> > 2. C++.  So far I have not found a good C++ compiler fo ZX Spectrum.
> >     It is not problem to get C compiler however. I suggest to use
> >     C++ preprocessor on some different machine and then compile
> >     pure C on ZX Spectrum. I have no idea however how exceptions
> >     can be supported in that case. I know  that it would be possible
> >     to use cross-compiler and produce binaries for ZX Spectrum on Linux
> >     but it does not seem to be fair enough to use such a practice known
> >     from proprietary software development.
> >
> > 3 Qt. It seems that at moment Qt is not available for ZX Spectrum.
> >    I hope that Trolls are going to release Qt for ZX Spectrum with 4.3,
> >    at least I have heard such rumors.  In case it does not happen
> >    I will start petition for ZX port of Qt which will be sent to Trolls.
> >    I don't think we have enough resources to port Qt ourselves.
> >
> > If you are interested to support ZX Spectrum port, we are currently
> > looking for a sponsor to buy a new _green_ display as it is
> > realy tiring to watch black and white screen all the day and night .
> > If you want
> > to donate a green display, please contact directly Jan.Nonner at mt.com,
> > director of ZXLabs in Roudnice. I cannot assure you however that you
> > can reduce taxes in that case.
> >
> > Radim
> >
> > PS: If you are interested I have also movie from the last coding session
> > where are discussed especialy network (RS232) related problems.
> > _______________________________________________
> > Qgis-developer mailing list
> > Qgis-developer at lists.qgis.org
> > http://lists.qgis.org/cgi-bin/mailman/listinfo/qgis-developer
> >
>
>
> --
> Tim Sutton
>
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