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rekit
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Post subject: brauche hilfe, bin neu hier
Posted: Mar 13, 2005 - 10:25 AM
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Retrohling
Joined: Mar 13, 2005
Posts: 2
Status: Offline
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hi leute, bin neu hier und deswegen kenne mich hier noch nicht aus auf der seite.
Also, ich habe mir Constantine für Xbox gesaugt, wie brenne ich das und wie spiele ich das spiel auf dem PC.
Gruß rekit |
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XTale
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Post subject: brauche hilfe, bin neu hier
Posted: Mar 13, 2005 - 10:26 AM
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Site Admin
Joined: Jul 04, 2004
Posts: 1.868
Location: Dillingen / Saar
Status: Offline
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gar nicht - kein XBox-Emulator ist soweit das es richtig funktionieren würde |
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rekit
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Post subject: brauche hilfe, bin neu hier
Posted: Mar 13, 2005 - 10:30 AM
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Retrohling
Joined: Mar 13, 2005
Posts: 2
Status: Offline
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danke, und wann ist es soweit? |
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Post subject:
Posted: Mar 13, 2005 - 10:41 AM
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Retrohling
Joined: Nov 01, 2004
Posts: 46
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In 2-3 Jahren vielleicht |
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Post subject:
Posted: Mar 13, 2005 - 02:10 PM
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Ex-Member
Joined: Feb 28, 2005
Posts: 3.561
Location: überall und nirgends
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Eher läuft mein Amiga-Emulator auf meinem Handy *lol* |
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redtzunami
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Post subject:
Posted: Oct 11, 2010 - 09:43 PM
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Retroanfänger
Joined: Mar 15, 2010
Posts: 54
Status: Offline
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blackerking
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Post subject:
Posted: Oct 11, 2010 - 10:05 PM
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Bescheißermeister
Joined: Sep 05, 2006
Posts: 1.474
Location: Leipzig
Status: Offline
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O.o
Das ist nen bissel lange her, erwarte nicht dass dir irgendwer dankt. |
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hellboy_666
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Post subject:
Posted: Oct 11, 2010 - 10:06 PM
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AEP Team Member
Joined: Dec 25, 2008
Posts: 2.630
Location: Vorhof zur Hölle
Status: Offline
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selbst dann, is fraglich ob der emu das game auch wiedergibt^^ |
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redtzunami
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Post subject:
Posted: Oct 11, 2010 - 11:32 PM
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Retroanfänger
Joined: Mar 15, 2010
Posts: 54
Status: Offline
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vieleicht braucht er es ja noch ^^ |
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Ragnarok
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Post subject:
Posted: Oct 12, 2010 - 10:13 AM
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Jinxed
Joined: Dec 12, 2006
Posts: 5.397
Location: 기정동
Status: Offline
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Rommie hatte die Frage letztens schon mal im Chat aufgeworfen: Warum tut sich trotz der PC-nahen Hardware quasi nix bei der X-Box Emulation?
Hat da einer Durchblick? |
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SirHenrythe3rd
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Post subject:
Posted: Oct 12, 2010 - 10:26 AM
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Retromeister
Joined: Oct 25, 2006
Posts: 973
Location: Münster / NRW
Status: Offline
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AFAIR ist es mit der scheinbaren Basis doch nicht so einfach einen Emulator zu entwickeln. Genaueres weiß ich aber auch nicht; habe mich mit der XBOX nie wirklich beschäftigt (auch nicht als Realhardware). |
_________________ MATZE2005-Fanclub Münster e.V.
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AnnaW
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Posted: Oct 12, 2010 - 10:27 AM
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Retrokenner
Joined: Nov 12, 2006
Posts: 388
Status: Offline
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[quote:f1392d0e57="Falcone"]Eher läuft mein Amiga-Emulator auf meinem Handy *lol*
Das tut es bereits, sofern das Handy das Windows Mobile OS verwendet. |
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Ragnarok
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Post subject:
Posted: Oct 12, 2010 - 10:31 AM
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Jinxed
Joined: Dec 12, 2006
Posts: 5.397
Location: 기정동
Status: Offline
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Gibt's auch schon länger für Symbian, der Thread ist halt 5½ Jahre alt. |
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AnnaW
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Post subject:
Posted: Oct 12, 2010 - 10:36 AM
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Retrokenner
Joined: Nov 12, 2006
Posts: 388
Status: Offline
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[quote:23d7862d3d="Ragnarok"]Gibt's auch schon länger für Symbian, der Thread ist halt 5½ Jahre alt.
Deine Antwort scheint erfrischend lustig zu sein.
Egal, ich habe mich nie mit Emulatoren für das Symbian OS beschäftigt. |
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krysmopompas
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Post subject:
Posted: Oct 12, 2010 - 11:01 AM
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Retrogott
Joined: Jun 19, 2008
Posts: 2.094
Status: Offline
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[quote:94849c3ad7="Ragnarok"]Rommie hatte die Frage letztens schon mal im Chat aufgeworfen: Warum tut sich trotz der PC-nahen Hardware quasi nix bei der X-Box Emulation?
Hat da einer Durchblick?
Es gibt einen ganz ordentlichen Xbox Emulator auf der Xbox360
http://www.aep-emu.de/index.php?name=PNphpBB2&file=viewtopic&p=47270#47270
Kurz: fehlende Dokumentation, alles läuft im Kernelmode
Für's Archiv zitier ich mal eine Quelle:
Quote:
What makes Xbox so hard to emulate?
"Xbox is just like a PC, it's easy to emulate!"
Yes, we've all heard this silly and pointless argument a million times and it usually ends in the same, and rather ignorant conclusion (or should I say assumption) that just because the Xbox is PC similar, it's hardware should be relatively easy to emulate. That's a very wrong frame of mind. How hard can it be? Very. Xbox's hardware is very complex and still poorly documented to this day. This requires some explanation.
1. Is a PC easy to emulate? Well, I wouldn't say so myself. Take a look at the source code from bochs. A lot of source code/work isn't it?
2. Emulating an x86 CPU is a lot harder than it sounds. I don't know where this mindless assumption comes from. Yes, there's loads of documentation on how the x86 processor works, but that doesn't exactly make it easy. First of all, the x86 instruction set is M-A-S-S-I-V-E! There can be at least 20 different versions of one instruction (i.e. There are many different versions of the MOV instruction, as well as INC, DEC, ADD, SUB, SHR, SHL, AND, OR, XOR etc.) and it takes time to implement them all. Of course, that's not exactly difficult. The real problem is that any modern x86 processor including the Pentium III can execute multiple instructions at once. So it's not like emulating a Z80 doing one instruction at a time. The actual algorithm and how x86 does this is undocumented and still unknown. In short, the Xbox's CPU can be emulated, but not accurately.
3. Emulating any hardware by NVIDIA is not a walk in the park! The Xbox's GPU, the NV2A is often assumed just a GeForce 3. It's not! It's similar but not identical. It has some GeForce 4 capabilities too, so it's more of a cross between an NV20 and NV25. This is by no means easy to emulate either. NVIDIA's GPUs have very large register sets and afaik not even half of them have been discovered, and a large portion of known registers have unknown purposes. There is little to no documentation on how NVIDIA GPUs work. The best thing to do is to look at similar GPUs such as RIVA, TNT, and older GeForce cards. Some registers are similar, but not identical. The best place to look for information is in open source drivers available on the net. Adding to the dificulty is that no one has ever discovered how pixel shaders work on NV2x cards, vertex shaders yes though. The Xbox GPU also has exclusive registers that are not found in other GeForce cards. Information on the NV2A's GPU registers are just now beginning to be discovered a few months ago. And yet, there's still a long way to go. The GeForce 3 series is the most mysterious of all NVIDIA GPUs (G7x and G8x aside) and the NV2A is alot worse. "But can't you just directly execute the NV2A instructions on another NVIDIA card?". No, I get alot of questions concerning this, and it is impossible. It's MMIO addresses are different and the exclusive registers must be emulated. Plus, in windows, we don't have ring 0 access anyway, so you all can scratch that idea now. Then comes the NForce 2 chipset. This is where it get easier. The NVIDIA MCPX is the control center for things such as audio, USB for input, Network adapters, PCI, AGP, etc. These things are not really that difficult to emulate IMO except for the audio.
4. The Audio system is rather complex. Xbox's audio consists of at least 4 DSPs, and audio codec (AC '97) and an NVIDIA SoundStorm APU. The DSPs shouldn't be a problem (just figuring out what they all are is) nor should the AC '97 but the NVIDIA SoundStorm APU is the really difficult part. So far I haven't found any information on this thing, but right now, it's relevance is low.
5. The Xbox BIOS isn't fully understood. The basic execution process of the BIOS is understood, but details on the process are at a loss. What we do know gives us hints, but before the BIOS can be emulated, we'll need a better understanding of the Xbox hardware layout because the BIOS does some unknown hardware initialization at boot time and writes to the hardware directly without using any XDK stuff. It will take some time, and effort, but I'll eventually get it working.
6. Video Encoder "Hell". Instead of using a RAMDAC for video output, the Xbox uses a Video Encoder. What makes this suck a pain? Microsoft sought the need to change the video encoder every other Xbox version (there are seven in all, 1.0 - 1.6). Why, I dunno, it's a Microsoft thing, they always tend to try to "fix" things that aren't broken >.> AFAIK, there are at least 3 different Video Encoders used: Conexant CX25871, Focus FS454, and Xcalibur. For more information in Xbox video encoders, click here. Emulating all three video encoders is only less than half the battle, the real problem is that BIOSes can be specifically tied to a specific encoder depending on it's version (don't quote me on this though). Like PS2, every Xbox model revision has a updated BIOS and has different expectations. This is a potential problem, but not exactly major.
Basally, I'm trying to get this "Xbox should be easy to emulate because it's just like a PC" crap out of your heads. I'm sure that most of you will disagree with me on this, but for these reasons and more, on a low level, Xbox is harder to emulate than PS2. I'll leave this thread open so anyone can discuss it. |
_________________ If you can’t run at 60 fps, you’re not a good racing game.
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