Long time since last update, life got in the way.
Now I am back coding again, and I got some life-signs from my port of Fuzix:

FUZIX version 0.4pre1
Copyright (c) 1988-2002 by H.F.Bower, D.Braun, S.Nitschke, H.Peraza
Copyright (c) 1997-2001 by Arcady Schekochikhin, Adriano C. R. da Cunha
Copyright (c) 2013-2015 Will Sowerbutts 
Copyright (c) 2014-2021 Alan Cox 
Devboot
512kB total RAM, 448kB available to processes (15 processes max)
Enabling interrupts ...

 It hangs at this point, but I have something to work on!