It's possible that Sprite could run on the mips64emul DECstation
emulator (Ultrix runs well enough to start DECwindows):
http://www.mdstud.chalmers.se/~md1gavan/mips64emul/index.html
> There where several ports: Sun3, Sun4 / SPARC,
DECstation, SPUR,
Sequent
> Symmetry at least. Even mixed architecture
clusters where supported.
See