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Wie ich auf Edge Emulation lesen durfte, hat ein Team von Codern, gefürt von Andreas Naive es endlich geschafft und den S-DD1 Algorytmus entschlüsselt. Damit dürfte es in allernächster Zeit möglich sein, Star Ocean ohne Grafikpatches zu spielen! Als ich pagefault darauf ansprach, sagte der mir, dass der Code bereits integriert würde. Wir dürfen also auf ein baldiges ZSNES Release hoffen, dass diese, eine der großen Hürden knackt! Da die Coder der großen SNES EMU's zusammen arbeiten, dürften auch Fans von SNES9x auf ein Update hoffen.
Achtung: Diese Neuigkeit bedeutet natürlich NICHT, dass man in jedem Fall alle grafikpatches löschen kann, denn diverse Module wie z.B. Street Fighter Alpha 2 benutzen auch noch (oder nur) andere Special Chips um die Grafiken zu dekomprimieren. (Far East of Eden Zero wäre ein Beispiel) Außerdem birgt es einiges an Rechenzeit, die dabei drauf geht, die Grafiken in echtzeit zu dekomprimieren. Deshalb sollten auch benutzer mit langsameren Computern bei den Grafikpatches bleiben. Zu den nicht emuliertem SPC7110 bleibt nur zu hoffen, dass er (wie auch DSP-4, X-Band usw...) auch bald geknackt wird. Anhängend findet Ihr den Originalwortlaut.
Originalbeitrag von EdgeEmu:
After a long time of needing large graphics packs to play SNES games which use the SDD-1 graphics decompression chip, that time will shortly be over. A very hard working team lead by Andreas Naive, with support from neviksti and The Dumper, the previously unknown algorithm has been cracked, which means those of you who enjoy playing Star Ocean and Street Fighter Alpha 2 will shortly be able to do so with no large graphics packs cluttering your hard drive.
It should be mentioned that firstly, no emulator actually has this feature added yet (the finished work, containing compression and decompression code, was only released on the 15th of August) but Matthew Kendora of Snes9x apparently has the code up and running, so a further update of Snes9x should feature it soon. Likewise, Zsnes will no doubt have support for the code in an upcoming WIP or possibly an official release (woohoo!).
Secondly, even though the graphics decompression works, it is known to be not perfect to the SNES' way of doing it. Hence, you may occasionally see graphical glitches, although the team who worked on this are pretty sure that it's very, very close to the actual implementation, so hopefully games should play pretty faithfully.
Thirdly, DON'T delete those graphics packs, as they could still be very useful. For example, if you have a slow computer (which will apply to many, I feel) then decompressing the graphics in real time when they are needed will slow down your gameplay quite a significant amount, so it may be preferable to simply keep the packs for the time being.
Finally, even if you have a fast computer, don't get rid of those packs either. This advancement does NOT apply to all games which need graphics packs. The SPC7110 chip, which is used in a few games (Far East of Eden Zero being probably the most notable) is completely different to the SDD-1 and could easily take as much time to crack and emulate (the team did SDD-1 first because they thought it would be easier. It turned out to be very hard...) so if you have graphics packs for anything other than Star Ocean and the three regional variations of Street Fighter Alpha 2 then you will need to keep them. Hopefully SPC7110 will be perfect sometime in the future (along with DSP-4, and the X-Band, and....) but until then sit tight and wait for your favourite emulator to bring out a version supported SDD-1 games.
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