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  Gamecube USB iso loader? - Is it possible?
Posted by ProfessorLayton on Thu, February 11th, 2010 at 20:00 - 6 Comments
 
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ProfessorLayton United States

 
A gamecube USB loader could be possible, and the wii homebrew scene is dieing.
This could be the one piece of homebrew that could spark it back to life!

Now I've done my research.

When we put a gamecube game in the wii and start it up, a thing called MIOS starts.
First, it disables all non-gamecube hardware, such as USB support and bluetooth.
then it slows down the CPU to 485MHz, just like the gamecube.
Boot2 then notices the slowed CPU, and starts up in gamecube mode.
So the wii is not emulating a gamecube, it becomes a gamecube.
But I think you already knew that.

What we need to do is create a custom MIOS that allows USB support.
And allow the gamecube game to be streamed over the USB.

That could be one way to do it.

What about a homebrew that does emulate the gamecube?
could we have something that could work, without touching the MIOS itself?
We could have the homebrew slow down the CPU, without restarting it so boot2 would notice,
and have the homebrew load the games off a WBFS formatted drive!

We don't need to activate the MIOS, because the wii is just a gamecube on steroids!
besides, the only important thing that MIOS does is slow down the CPU. disabling the USB and bluetooth would most likely not affect the game itself.

So what do you think?

If the scene put some effort into it, we could have something acceptable!

:yaywii:


 
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 » Comment on: Gamecube USB iso loader?
#1
 
retrohead United Kingdom

  Sat, February 13th, 2010 at 13:51
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USB is disabled once the MIOS is running as you said. There is no way to use the wii USB slot to stream GC games.

We're kinda hanging out for W.O.D.E to get a decent solution.
 
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 » Quoting: Comment on: Gamecube USB iso loader?
#2
 
cm0002 United States

  Sat, May 8th, 2010 at 06:44
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Quote 
What we need to do is create a custom MIOS that allows USB support.
And allow the gamecube game to be streamed over the USB.


one custom mios

http://www.starcube.co.uk/2010/03/wii-cmios-rev5/
 
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 » Comment on: Gamecube USB iso loader?
#3
 
retrohead United Kingdom

  Tue, May 11th, 2010 at 06:38
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The current cMIOS' do not enable USB loading, they just play backups from dvd.
 
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#4
 
bitartrate United States

  Fri, July 16th, 2010 at 02:52
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Has anyone started to discuss developing a Wii Gamecube Virtualizer?  I am, of course, not suggesting a GC emulator to run on the Wii... that would be way slow.

Instead a virtualizer would 'supervise' the running of a GC game from within the Wii's normal operating system.  Just like in the PC world programs like VMware and Virtualbox allow running another PC compatible operating system on top of one running on the real hardware.

This would solve the issue of 'hacking' a MIOS to give the GC part of the Wii USB capability.

The specification:  the 'GC Virtualizer' can be launched from the favorite homebrew methods.  The 'GC Virtualizer' needs to be able to 'slow down' (execute dummy cpu cycles) the cpu and facilitate all other necessary conditions to run a GC game, such as running the GC "OS" in a layer within the Wii 'OS'.  Heres where the emulation part comes in... it needs to emulate a laser drive(fool the GC OS into thinking a usb drive is a DVD drive), maybe a memory card file on sd, and possibly the game controller interface hardware.

This method is tried and true on other platforms.  It does not emulate the GC cpu, etc.  It runs the actual game code on the real cpu inside the Wii.  It is a very clean solution.

Now that the idea is out there lets talk about it.
 
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 » Comment on: Gamecube USB iso loader?
#5
 
dominicanjonas Dominican Republic

  Mon, September 6th, 2010 at 15:40
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There's already someone working on one.. It seems hes gonna realese the beta this month and there are already proof on youtube on how it works anyway here's the link for more info:

Release date & Info
 
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#6
 
blastermak Netherlands

  Fri, May 4th, 2012 at 17:50
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To bump this thread, I've found a solution to the GC disc problems :P
http://gbatemp.net/topic/307341-dios-mios-lite/ This thread describes loading GC games from an SD card, will try this out next week, since I don't have access to my Wii at my parents ;p
 
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