[Please do not mail me a copy of your followup]
>
> Jon Elson spake the secret code
> thusly:
>
> >Richard wrote:
> >>
> >>Has anyone implemented a Q-bus or Unibus bus interface logic in an
> >>FPGA that is freely available or documented? [...]
> >>
> >Not on an FPGA (PDP-11 was before their time) but the bus protocol
> >is quite simple. [...]
>
> Well, I didn't mean to imply that the FPGA was concurrent with the
> PDP-11 :-), I was more hoping that another retro computing hobbyist
> would have made something I could bootleg!
>
> I suppose I'll have to do my own bus handshake implementation from the
> Q-bus docs (I think my processor or peripheral handbook that came with
> the 11/03 has one in there somewhere).
>
> I wonder how hard it would be to get a PCB fabbed with the bus edge
> connector?
There was a discussion of this on S.E.D. quite recently with one of it's denizens successfully getting a board with gold fingers fabricated at a very reasonable price.
X-Posted to s.e.d. for comments
Cheers
PeteS
--
> "The Direct3D Graphics Pipeline"-- code samples, sample chapter, FAQ:
>
> Pilgrimage: Utah's annual demoparty
>