> On Feb 16, 2016, at 2:58 PM, Rhialto <rhia...@falu.nl> wrote: > > On Tue 16 Feb 2016 at 08:58:11 -0500, Clem Cole wrote: >> Dave be careful -- S/360 Model 67 has VM in the late 1960's - TSS and >> it's brother MTS, both rely on it. The 67 is a Model 65 with a Data >> Address Translation unit (DAT box) - is supplied by a 8 x 32 bit TLB which >> is in a cabinet that t'ed off the main CPU and is about the same size en >> entire Vax 780 which would follow 10 years later. > > Note that I have rescued at some point in the past an IBM patent (it was > the UK version) of a computer with microcode, and maybe Virtual Memory > too. Although they didn't call it that I think. After reading, it > described something remarkably like the S/360. It lists the full > microcode and has extensive hardware schematics. > > The patent number is 1,108,800. Inventors: Gene Myron Amdahl et al. > USA patent application number 357372, 6 April 1964. The issued patent > number is US003400371.
Amazing. 974 pages, 131 claims. And yes, a long listing of microcode. And flow charts. And schematics. It clearly is a 360. paul _______________________________________________ Simh mailing list Simh@trailing-edge.com http://mailman.trailing-edge.com/mailman/listinfo/simh