Hello guys, this is my first post here! I just got a MIG Switch card out of curiosity and I was tinkering with it. For those who don't know, it's used by placing XCI dumps as well as other game specific bin files in the sd card of the MIG Switch, and are obtained from the original cartridge by using an app like nxdumptool. Two of these bin files are mandatory to get the game to boot: Initial Data.bin and Certificate.bin. They stay the same for every cartridge of a specific game. Now, if you want to use an XCI dump from a shady website it's impossible to get it to work without those files. By using the Certificate.bin from another game it has no problem, but this does not count for the Initial Data.bin. So I looked for a way to obtain this Initial Data from an XCI file and read a bit of the XCI file documentation from switchbrew dot org. Here's what I understood so far: The Switch checks if the cartridge is valid by doing a challenge–response authentication on the Initial Data. The Package ID is contained both on the XCI and the Initial Data, on positions 0x110 and 0x0 respectively. The Initial Data hash is on the XCI at position 0x160. It is calculated by doing a SHA-256 hash on the full Initial Data content. So I was wondering, is there a way to to construct a functional Initial Data file starting from an XCI dump? I also tried a reverse approach by editing the Package ID in the Initial Data from another game, generating the Initial Data hash and putting it in the XCI file but is not enough to get the Switch believe it's a real game. Sorry if this may seem stupid but let me know what you think.

mig switch not working/updating??

stickybit · 2024-03-28T19:59:51+00:00

just got my mig switch and followed instructions to the T to update it and all im getting is a red light and then a message saying cart not recognised, all im trying to do is update it to the latest firmware, it says it should flash blue when...

Animal Crossing fans: I've released NHSM v1.0.0-alpha, an app that effectively enables multiple islands (Supports Ryujinx and Yuzu)

okhqbuddy

Member

Newcomer

Level 1

Dec 10, 2022

NHSM v1.0.0-alpha

I probed for interest a few weeks ago in a Yuzu subreddit about an app. I started making something to solve a problem - Animal Crossing: New Horizons does not support more than one island, and swapping out saves manually is a pain. Therein comes NHSM, an open-source project (GPLv3 license) over on Github if you're interested in contributing: https://github.com/anon34342122/nhsm

Download

https://github.com/anon34342122/nhsm/releases/tag/v1.0.0-alpha

What it is

NHSM supports Yuzu and Ryujinx emulators and you can switch between either depending on your preference.

No more being restricted to one island in Animal Crossing, nor manually swapping save files within hard-to-find save directories. NHSM will automate all of this for you at the click of a few buttons!

NHSM works by storing your islands in a separate NHSM "islands" directory found in your user home, and when you want to use a particular island save it will swap out the local save on your selected emulator with the one in your islands directory. This release also includes integrated NHSE (New Horizons Save Editor) support!

Instructions

- Very important! As this is the first alpha release, please backup your islands frequently while using this application. It has many unit tests to verify that it works as expected, but I have not tested manually on many different machines.
- Either use one of the installers below to install the application, or extract the directory from the "No-Installer" zip file and run it directly.
- When you first run NHSM, you will be prompted with two different emulators to use: Ryujinx and Yuzu. Choose the one of your preference.

- Yuzu has a static directory structure for saves, so the app is able to automatically find your current ACNH save for you.

- Ryujinx unfortunately requires a manual locate of the save directory. I have tried my best to include instructions in the app of how to find it, and the "Locate Save Directory" file chooser will do its best to default you to the base directory within Ryujinx to help you find it.

- You can also select a language in the emulator selection menu.

- Currently, it has support for English and a really poor google translate version of Japanese. I plan to get this re-translated properly in the future.

- Once you've selected an emulator, press "Manage Islands" and you will be taken to an island manage menu.

- From here you can do many things: create new islands, duplicate islands, edit island names, open an island with NHSE ("Save Editor" button), etc.

- Now we can begin to choose which island you want your emulator to run. Before that, make sure you are not running ACNH before switching out islands.

- To switch out which island save your emulator is using, simply select an island in your "Islands" list and click the button "Swap Local" . This will swap the two saves. When you open up the game again, you'll find that you are using the other island!

Platforms

Full Support:
Windows

Partial Support:
Linux and Mac.

While they build successfully and all tests pass, Linux and Mac have not been tested yet, so try them above at your own risk. After some confirmation of its stability, I will mark them as fully supported. Please feel free to give feedback in Discussions to let me know how well they work on those platforms.

Last edited by okhqbuddy, Dec 10, 2022

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