Did you get anywhere with this?
Using ScummVM on the Xbox one would be ace!

I've been running ScummVM 2.0 on a Pi3 using RISC OS 5.23 (22-Nov-17)
(High vector build, with zeropain)

Could also be worth checking your SharedLibs are up to date, latest versions are here - http://www.riscos.info/index.php/GCC_fo ... _libraries