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  • cbscpe's Avatar
    July 6th, 2018, 12:59 AM
    cbscpe started a thread Q-Bus version of RLV12 Hack in DEC
    Hi, today the last pieces arrived and I will soon start to build a Q-Bus version of my RLV12 Hack this version uses all 5V parts. The...
    2 replies | 173 view(s)
  • cbscpe's Avatar
    July 4th, 2018, 01:55 AM
    cbscpe replied to a thread RH70 and RSX11M-Plus in DEC
    More reading and studying showed the following. When you address a non-existing unit the only thing that happens is that bit NED in CS2 is set...
    8 replies | 393 view(s)
  • cbscpe's Avatar
    June 30th, 2018, 11:23 PM
    cbscpe replied to a thread RH70 and RSX11M-Plus in DEC
    Hi, I have come to the conclusion that the emulation of a RH70 with more than one drive would require massive extensions to the existing storage...
    8 replies | 393 view(s)
  • cbscpe's Avatar
    June 29th, 2018, 11:27 AM
    cbscpe replied to a thread RH70 and RSX11M-Plus in DEC
    And there is as well http://pdp2011.sytse.net/wordpress/.
    8 replies | 393 view(s)
  • cbscpe's Avatar
    June 23rd, 2018, 09:11 AM
    cbscpe replied to a thread RH70 and RSX11M-Plus in DEC
    Hi Mark, Thanks for the the source code. In fact I have two projects running at the moment, one is the RH70 emulation and one is the Q-Bus version...
    8 replies | 393 view(s)
  • cbscpe's Avatar
    June 23rd, 2018, 08:24 AM
    cbscpe replied to a thread RH70 and RSX11M-Plus in DEC
    Diagnostic level accuracy is not what I plan. Not very useful in my case. The goal is to run RSX11M-Plus. And I want to avoid patches to the real OS...
    8 replies | 393 view(s)
  • cbscpe's Avatar
    June 23rd, 2018, 04:18 AM
    cbscpe started a thread RH70 and RSX11M-Plus in DEC
    I'm currently analyzing documents to implement a RH70 Emulation for my PDP-11/Hack. The general idea is to implement it using the existing RLV12/Hack...
    8 replies | 393 view(s)
  • cbscpe's Avatar
    June 21st, 2018, 09:52 AM
    cbscpe replied to a thread KDJ11-A in H9275-A in DEC
    No I cannot imagine why the design was made this way. However the bus is very short even if it is a serpentine arrangement and as such this should...
    7 replies | 361 view(s)
  • cbscpe's Avatar
    June 19th, 2018, 02:15 AM
    cbscpe started a thread Simh rm05 in DEC
    Hi, I wanted to create a RM05 system disk but I can't get the RM05 online. I thought it was called DR: but that does not work, DP: neither ...
    0 replies | 137 view(s)
  • cbscpe's Avatar
    June 18th, 2018, 10:34 AM
    cbscpe replied to a thread KDJ11-A in H9275-A in DEC
    This backplane is for OEM systems and was released before DCJ11 based CPU modules hit the market. As you can see from the copper traces the...
    7 replies | 361 view(s)
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About cbscpe

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About cbscpe
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Switzerland
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Seniour Network Engineer

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