Orbital is a low-level emulator (LLE) for the reasons I outlined here. At least 5 year possibly 10 and likely need a super high end computer to manage it Both approaches are possible, and each has its advantages/disadvantages. It is still really really basic, and a long ways be for it will be able to play any main PS4 titles. A recall a video of MegaMan Legacy collection going into menus on a PS4 emulator. Yes there will be a PS4 emulator eventually. GCN translator ) too dependent on my own emulator, so that anyone could repurpose them for other PS4 (and in the future, PS5) emulators That's precisely the goal, and why I haven't made certain components (e.g. That's the hard part :(PS3 and PS2 emulators are emulatin a PS5 emulator may be possible sooner than later on the basis of this work.
PS4 emulator may be much easier to do, all you need is PC running BSD kernel and emulate (as in copy) GNM.