> On Tue, Feb 16, 2021 at 2:36 AM Fritz Mueller via cctalk > <cctalk@classiccmp.org> wrote: > So you could set up on t4 or t5 of that microinstruction with the KM11...
> On Feb 16, 2021, at 11:08 AM, Josh Dersch <dersc...@gmail.com> wrote: > I can't, though -- all of this stuff works fine when running slowly :) Oh right -- I keep forgetting that part! So that really does leave you with just the LA to catch things in the act I guess. > Right now I'm thinking it is most likely the AMX selecting the wrong input > (I'm guessing that BMX is correctly selecting KOMX, to get the constant "2" > for the add operation). I agree; seems a good place to look next. > Have the 11/70 microcode PROMs been dumped? I had to recreate the 11/05 PROM > from the listings in the engineering drawings... I am not sure? For the 11/45, I also keyed it in by hand from the engineering drawings, but since it is only a 32x8 bit ROM this was pretty easy. --FritzM.
