I modded mine forever ago and only recently got back into it.
GBATemp was a great place to find guides at the time, but I'm really not sure what's in-date/out of date there now.
I recently used hacks.guide for modding a 2DS and it worked really well. I haven't used the Wii U counter part, but here's a link https://wiiu.hacks.guide/
Truthfully, that looks like a better setup than I have as I currently boot my Wii U, run Hakchi (holding B on the gamepad), and then it reloads the Wii U menu with the digital signature checks patched out so that anything you add just loads. It looks like that guide above can autoboot into the patched environment.
I will say that the Wii U environment/tools still doesn't seem to be as well supported/built out as the 3DS environment/tools that I used for my 2DS (likely due to that system being insanely popular and the Wii U fizzling out), but the Wii U tools are functional and I've been able to load up my Wii U with a 1Tb USB SSD (using a power-splitter cord where it uses two USB ports, one for data+power and one for power to plug into the SSD enclosure to provide it with enough power).
I recently added "forwarders" (i.e., a title on the menu that forwards either into vWii mode or the Wii VC mode - there are pluses/minuses to either), but there are apps that can be ran to prevent the Wii U from downclocking the CPU when going into Wii mode so that things like the Wii Playstation emulator will run at full speed (there is no native Wii U PS1 emulator that I know of). I just wanted to run Castlevania: SotN on my TV again, it's been great so far.
Reply With Quote