11 Jul
2016
11 Jul
'16
1:31 a.m.
And I'm very close to having a 360/65 in VHDL.
Op 11 jul. 2016 2:44 a.m. schreef "Curious Marc" <curiousmarc3 at
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-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