On Jun 18, 2014 5:24 PM, "Warren Toomey" <wkt@tuhs.org> wrote:
>
> I should mention that I "ported" Xinu over to the Apple ] [ when I was at uni: I transliterated the C code into assembly and used an external 555 timer to generate the clock ticks. Fun times!
>
> Warren
> --

nice! i have the lsi-11 editions (1984) of the xinu approach on my shelf, up through the linksys edition (2012). i've spent a small fortune on his books, second only to tanenbaum, i would think. (not a terribly big stallings fan, but he's certainly prolific.)