I'm not sure but if at the start of tiramisu you put it to start in vWii mode it should turn on without the need for a gamepad and be functional, only that it would be a Wii since when entering the Wiiu Menu it will ask for it
I may try the new ram site, and download more RAM to my Switch. Not sure if ddr3 is the right ram
for it tho. Edit- no it uses floppy Ram, just like @AncientBoi