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Thread: [Guide] Devolution - USB Loading GameCube Games On Wii

  1. #661
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    The main problem is that the wii's wifi lacks certain features supported by the BBA (multicasting).

  2. #662
    New Member Nintendo Maniac 64's Avatar
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    UPDATE: I figured it out! For some crazy reason the uncompressed ISO that I have on my archival-backup external HDD isn't a clean rip, but the compressed ISO I have on the same HDD IS from a clean rip. I think I had the uncompressed ISO back before I knew about cleanrip and didn't realize it wasn't an actual clean ISO, but later when it was discovered that some games work on devolution with DiscEX I made a new rip for whatever reason.

    Interestingly enough the uncompressed clean ISO and uncompressed non-clean ISO are the exact same filesize.


    Quote Originally Posted by Original post
    I've just run into in wackiest thing...

    Back in April I discovered that Nintendo Puzzle Collection works in Devolution even when compressed via DiscEX, which is quite notable since it compressed all the way to ~150MB. The resulting compressed ISO (which I still have) is exactly 144,449,770 bytes (141,065 KB) and has the following hashes (for the compressed ISO):
    MD5: 065bbed07ec35fbe50846329fd83e896
    SHA-1: a62c252a0ba0a1360c69f19f9c591f31b46d77b3

    Now today I was doing some more testing comparing DiscEX to DMToolbox and Wiimms ISO Tools. Now I already knew that Nintendo Puzzle Collection will not work in Devolution when compressed with WIT, and now I can confirm that it doesn't work with DMToolbox either. So since DMToolbox is supposedly a newer version of DiscEX, I made a newly compressed ISO via DiscEX and so that I could compare the two.

    ...except the resulting DiscEX-compressed ISO was exactly the same as the DMToolbox-compressed ISO, and therefore did NOT work in Devolution. The compressed ISO filesize is exactly 144,411,442 bytes (141,027 KB) and has the following hashes for the compressed ISO:
    MD5: 24b9f983918b2e6fcdfecb62de635d6e
    SHA-1: 9d68746f58f3e16284d30fd0f051845bfc4535d0

    ...what the crap is going on here? I'm using the same DiscEX EXE and BAT file that I've used since the beginning...

    And no, I didn't derp up and accidentally try to compress the DMToolbox-compressed ISO.


    EDIT: I don't know if it's relevent but DiscEX creates a "sys" folder in the same location as the DiscEX-compressed ISO with the following files:
    apploader.img
    bi2.bin
    boot.bin
    Last edited by Nintendo Maniac 64; 09-10-2013 at 08:14 PM.

  3. #663
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    That is strange, but being that I haven't gotten even 1 of my games to work compressed and that Devolution doesn't really support that anyway I'm not too surprised.

    I don't know what happened in your case though lol.

  4. #664
    New Member Nintendo Maniac 64's Avatar
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    I don't know if it's relevent but DiscEX creates a "sys" folder in the same location as the DiscEX-compressed ISO with the following files:
    apploader.img
    bi2.bin
    boot.bin

    I don't remember this happening previously, but what do I know. :P

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    It always happened, I can tell you from when I used to use Dios Mios. I don't know whether or not those files are needed or not...I haven't used DiscEx or Dios Mios since DM was on 2.2 (it's on 2.10 now to show how long it's been).

  6. #666
    New Member Nintendo Maniac 64's Avatar
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    I figured it out! For some crazy reason the uncompressed ISO (that I put in a 7z archive) that I have on my archival-backup external HDD isn't a clean rip, but the compressed ISO I have on the same HDD IS from a clean rip. I think I had the uncompressed ISO back before I knew about cleanrip and didn't realize it wasn't an actual clean ISO, but later when it was discovered that some games work on devolution with DiscEX I made a new rip for whatever reason.

    Interestingly enough the uncompressed clean ISO and uncompressed non-clean ISO are the exact same filesize.

    (for anyone wondering, the clean uncompressed ISO compresses all the way to ~43 MB in a 7z archive)
    Last edited by Nintendo Maniac 64; 09-10-2013 at 06:58 PM.

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    @Maniac:

    I will start off by saying I'm not a GameCube user. Never have. But... if Nintendo follows form, a full disc image likely will have the same byte size whether "clean" or otherwise. In other words, Wii rips (ISO) will always be the same size. Undoubtedly as the GameCube would (to me) have a fixed image size, regardless as to actual used content. A program to get you the hash values of an image could be used; very likely they would give you two different results (clean rip version and other version). Just a theory, but a seemingly logical one.

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    But then why would the compressed ISOs have different sizes?

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    You were comparing an uncompressed rip to an uncompressed clean rip...

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    Some games also have more "junk" data that gets scrubbed out than others do...at least that's what I'd assume.

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