What's the most simple PC.hdl implementation?

[User Name]

At least as far as this HDL implementation goes, how simple and effective can the PC.hdl chip be? I've compared other solutions and they seem to much more than the 6 lines mine has.

I'm especially concerned about the Mux8Way (or maybe it was a DMux8Way, can't remember) because it feels a little bit excessive. They're HDL behemoths to me. I used to dread thinking about using them but then I got to chapter 4.

Thanks a Mux32Way64.

[cadet1620]

User Name wrote

Thanks a Mux32Way64.

That's a lot of thanks!

If you email me your PC.hdl (proves that you wrote one) I'll send you several different implementations to look at.  Some simple, the shortest using 3 parts, and some strange ones using an ALU to compute the Register input value that I wrote as an intellectual exercise.

If you have or want to download Logisim (free) I can you those in a circuit file, too.

--Mark