On 04/11/2018 02:48 PM, ben via cctalk wrote: > I have a nice 18 bit cpu here, with only a few hardware bugs. > Hmm would it work better if I change that around ideas. > > Care to point to a nice 18 bit version of unix or C. > BTW The cpu has a frame pointer S but no S++ --S operations > so pushing and popping wild data is not a option.
Well, the Univac 1100/2200 series mainframes ran V7 Unix--and they're 36-bit machines, so probably not far from your 18-bitter--and they're ones' complement machines. Univac called it "SX1100", so you have a search term. --Chuck
