IBM 360/30 in verilog (was: How do they make Verilog code for unknown ICs?)

Curious Marc curiousmarc3 at gmail.com
Sun Jul 10 19:44:13 CDT 2016


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-cctech at 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-bounces at 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
> 
> 


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