And Carl Claunch has an IBM 1130 in VHDL. Marc Sent from my iPad
> On Jul 10, 2016, at 10:23 PM, Lawrence Wilkinson <ljw-cct...@ljw.me.uk> wrote: > > That'll be me, I guess, It's in VHDL. URL in sig. > >> On 10/07/16 15:21, Paul Birkel wrote: >> -----Original Message----- >> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Guy >> Sotomayor Jr >> Sent: Monday, June 20, 2016 4:04 PM >> To: General Discussion: On-Topic and Off-Topic Posts >> Subject: Re: How do they make Verilog code for unknown ICs? >> >> What you can do (and I’ve seen it done) is define verilog modules that >> provide the functions of the IC and use that in their designs. I’ve seen at >> least two interesting classic computer recreations using this approach >> (re-implemenation of the CADR lisp machine in verilog and an IBM 360/30 in >> verilog). >> >> ROMs are easy (just instantiate a lookup table). PLCs are just >> combinatorial equations which are relatively easy with the verilog “assign” >> statement. >> >> TTFN - Guy >> >> ====****==== >> >> Do you have a pointer to that "IBM 360/30 in Verilog", Guy? >> >> ----- >> paul > > -- > Lawrence Wilkinson lawrence at ljw.me.uk > The IBM 360/30 page http://www.ljw.me.uk/ibm360 > >
