On Tue, Jul 12, 2016 at 2:07 PM, Dave Wade <dave.g4...@gmail.com> wrote: > >> -----Original Message----- >> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Camiel >> Vanderhoeven >> Sent: 12 July 2016 09:56 >> To: General Discussion: On-Topic and Off-Topic Posts >> <cctalk@classiccmp.org> >> Subject: RE: IBM 360/30 in verilog >> >> Op 12 jul. 2016 10:14 a.m. schreef "Dave Wade" <dave.g4...@gmail.com>: >> > >> > > -----Original Message----- >> > > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of >> > > Curious Marc >> > > Sent: 12 July 2016 08:58 >> > > To: General Discussion: On-Topic and Off-Topic Posts >> > > <cctalk@classiccmp.org> >> > > Subject: Re: IBM 360/30 in verilog >> > > >> > > Darn. My hopes are shattered. Lots of Verilog in my future, that is >> > > if >> we >> > can >> > > find 360/50 ALDs... >> > > Marc >> > > >> > >> > It actually might be easier to produce a generic S/360 clone in FPGA >> > using the POP rather than individual ALU's. >> > Having built a very simple CPU (in VHDL not Verilog) and planning to >> > start on a more complex (Ferranti Pegasus) Of course it wouldn't be >> > cycle accurate, but perhaps that wouldn't be important. >> >> Sure, a generic one would be simpler, but the point of doing an accurate one >> of a specific model (65 in my case) is to accurately drive the panel that >> shows >> the internal registers and opening of gates. > > I think you are correct. I had assumed that the panel only displayed the > normal 360 registers, in which case > the VHDL could easily route these to a panel, but on reading the 360/65 > Functional Characteristics > > http://bitsavers.informatik.uni-stuttgart.de/pdf/ibm/360/funcChar/A22-6884-3_360-65_funcChar.pdf > > I can see several registers are displayed that are not mentioned or defined > elsewhere so you would need a > Set of ALDs for the 65 (or possibly a 67 as that’s basically the same > machine) to get a full panel display. It would > Also be nice to see what is on the roller selector switchs as that page in > the manual has not scanned very well..
I have a pdf file I created that shows the layout of the roller bars; I don't think the link can take attachments, but if you want I could email you a copy directly. Camiel.