And I'm very close to having a 360/65 in VHDL. Op 11 jul. 2016 2:44 a.m. schreef "Curious Marc" <curiousma...@gmail.com>:
> 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 > > > > >