[Simh] VAX/VMS

[Paul Koning]

> On Feb 16, 2016, at 2:58 PM, Rhialto <rhialto at 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