I've a 1.0b system from my 80's am1000. Been firing it up on the am1200. Will let you know when I have a good image available.
The 1200 is 1.3c, which, based on a amos.dir[1,2] file I found on it seems missing the [7,7] .m68's for the .unv's; also the whole [10,1] ppn and much of the [10,2] ppn...