@Maijestro
I have just tested ScummVM on WinUAE (16-bit screen mode). It works for me both in window and fullscreen mode. But at least for the first time you need to use --gfx-mode=surfacesdl to work around the GL error and to get that ini file. And getenv SDL_RENDER_DRIVER must return "software", otherwise you are going to need some patch.
Sashimi:
http://os4depot.net/?function=showfil ... lopment/debug/sashimi.lhaIt should be simple to use in window mode or you can redirect output to a text file: "sashimi > log.txt".
It seems something went wrong with replacing that SDL2 shared object. SDL2 archive has 2 shared objects, the larger one should be named _debug and it should have serial logging. Both shared objects are installed to SOBJS: if you ran the SDL2 installer (you can copy them from SOBJS: to local sobjs/ directory). So you can check the names and file sizes in your local sobjs/ directory.