re: Collapse OS
Looks interesting but I’m dubious. There are currently far more ARM or x86 systems in the world than Z80 so it would make a lot more sense to use one of those.
Of course, depending on CPU architecture at all is not particularly wise. A better strategy would be to use a low-level interactive language like Forth instead.
Merveilles is a community project aimed at the establishment of new ways of speaking, seeing and organizing information — A culture that seeks augmentation through the arts of engineering and design. A warm welcome to any like-minded people who feel these ideals resonate with them.