[Simh] TOPS-20 Source with KMC11 Driver Code?

[Robert Jarratt]

Thanks Timothe,

I am pretty sure I am doing all the things you mention already (sorry I
didn't make that clear), but I will check through everything you have said,
just in case I have missed something.

Regards

Rob

> -----Original Message-----
> From: simh-bounces at trailing-edge.com [mailto:simh-bounces at trailing-
> edge.com] On Behalf Of Timothe Litt
> Sent: 19 May 2013 11:26
> To: simh at trailing-edge.com
> Subject: Re: [Simh] TOPS-20 Source with KMC11 Driver Code?
> 
> A couple of other things come to mind (naturally, after pushing 'send'):
> 
> Initialization will load/verify the microcode.  That has to work.
> 
> After setting RUN and the interrupt enables, expect base-in and control-in
> command to establish the DUP CSR address, buffers, line mode/enable.
> These require that the KMC respond to KMCRQI by initiating an A vector
> interrupt.
> 
> Besides RDIO and WRIO, there are bit test (TIOx) , bit set (BSIO) and bit
clear
> (BCIO) instructions that also touch the KMC.
> 
> For better directed hints, I'd need more detail on what is and isn't
happening.
> 
> This communication may not represent my employer's views, if any, on the
> matters discussed.
> 
> On 19-May-13 04:53, Robert Jarratt wrote:
> >> -----Original Message-----
> >> From: simh-bounces at trailing-edge.com [mailto:simh-bounces at trailing-
> >> edge.com] On Behalf Of Rich Alderson
> >> Sent: 08 May 2013 01:02
> >> To: hecnet at update.uu.se; simh at trailing-edge.com
> >> Subject: Re: [Simh] TOPS-20 Source with KMC11 Driver Code?
> >>
> >>> From: "Robert Jarratt" <robert.jarratt at ntlworld.com>
> >>> Date: Tue, 7 May 2013 23:33:36 +0100 Can anyone point me at the
> >>> right place to look at TOPS-20 driver code for the KMC11? I can see
> >>> that it is trying to get the Microprocessor to do something and read
> >>> back some values, but I don't know what values it wants to get and
> >>> so it reports:
> >> Hi, Rob,
> >>
> >> http://pdp-10.trailing-edge.com/tops20v41_monitor_sources/index.html
> >>
> >> You want the file KDPSRV.MAC in that directory.
> >>
> >>                                                                  Rich
> >> _______________________________________________
> >> Simh mailing list
> >> Simh at trailing-edge.com
> >> http://mailman.trailing-edge.com/mailman/listinfo/simh
> >
> > I am making some progress with getting the KMC/DUP emulation working
> > in SIMH for TOPS-20. At the moment I am stuck on one thing, which is
> > the interrupts to tell the OS that the KMC has processed a buffer. The
> > OS sets the interrupt enable bit and when I have something to report
> > to the OS I set the relevant interrupt bit. However, nothing happens
> > when I do that. I am wondering if I have the right interrupt bit? I am
> > using bits 8 and 9 (decimal).
> >
> > I am not sure how to find out which bit I should be setting.
> >
> > Can anyone help?
> >
> > Regards
> >
> > Rob
> >
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