[Simh] simh and RSTS/E - problems with getting additional terminal interfaces to work

[Trevor Warwick]

Thanks Paul. Now you mention it, I do have a vague recollection of doing
Sysgens when adding new hardware back in V6/V7 days. I'll look around for a
later version to run and see if that fixes things, and/or try generating my
own system.

On Mon, 9 Dec 2019 at 15:04, Paul Koning <paulkoning at comcast.net> wrote:

> RSTS/E (starting with V6B, that is) recognizes devices based on their CSR
> address, fixed or float.  It doesn't care about vector rules (except for
> the card reader); instead, it probes the device to find out.  So you need
> to make sure a device is assigned the proper CSR address by the rules and
> then RSTS will know it.  You can confirm by doing "hardware list".
>
> In the example shown, you can see that indeed RSTS recognized the
> additional DL lines.
>
> However.... Prior to V9 or thereabouts (I'd have to search a bit to be
> more precise), RSTS/E device support including terminal interface support
> was set at Sysgen.  You could omit controllers that aren't in the build and
> those would be disabled, but if you include devices not mentioned in the
> Sysgen they would be silently ignored by RSTS.  Note that INIT (which is
> what does the hardware display) knows about all supported devices; the fact
> that a particular RSTS monitor doesn't include the support doesn't bother
> it.
>
> So the fact that added terminal lines don't work suggests that they
> weren't in the sysgen.  If there is a config.mac somewhere on the system
> that might be the one from the sysgen and would tell you what's supported.
> Also, sufficiently new RSTS systems have a DCL command "show device" which
> says what devices the monitor knows about.
>
> paul
>
> On Dec 9, 2019, at 5:29 AM, Johnny Billquist <bqt at softjar.se> wrote:
>
> In RSTS/E, you have DZ11 lines, but they are configured for a CSR of
> 160100 and 160110, and vectors are 400 and 410. I bet that does not match
> what simh thinks...
>
>  Johnny
>
> On 2019-12-09 11:25, Trevor Warwick wrote:
>
> I'm using "PDP-11 simulator V4.0-0 Current", and getting the same results
> on Win10 and Linux.
> I'm booting the full RSTS V7.0-07 disk, built by by Chuck Cranor. This
> boots fine, and I can log in on the simulated console. However, I can't
> persuade it to recognise any additional terminals. If I use:
> set dli enable
> set dli lines=8
> attach dli 10001
> Then I get a telnet server appearing on port 10001, which prints
> "Connected to the PDP-11 simulator DLI device, line 0" when I boot the RSTS
> system disk. However, there's no response to any input once RSTS is up and
> running.  I've also tried using a DZ11
> set dz lines=8
> attach dz 10002
> and in that case I don't even get the "Connected...." line from simh. RSTS
> can apparently see the hardware though:
> RSTS V7.0-07 llama (DL0)
> Option: HA
>   HARDWR suboption? LI
>   Name  Address Vector  Comments
>   TT:    177560   060
>   RK:    177400   220   RK05F units: none
>   RL:    174400   160   Units: 0(RL01) 1(RL01) 2(RL01) 3(RL01)
>   RM:    177440   210   Units: 0(RK06) 1(RK06) 2(RK06) 3(RK06) 4(RK06)
>                                5(RK06) 6(RK06) 7(RK06)
>   RR:    176700   254   BAE=+050, Units: 0(RM03) 1(RM03) 2(RM03)
>                                3(RM03) 4(RM03) 5(RM03) 6(RM03) 7(RM03)
>   TM:    172520   224
>   PR0:   177550   070
>   PP0:   177554   074
>   LP0:   177514   200
>   RX0:   177170   264
>   KL0:   176500   300
>   KL1:   176510   310
>   KL2:   176520   320
>   KL3:   176530   330
>   KL4:   176540   340
>   KL5:   176550   350
>   KL6:   176560   360
>   KL7:   176570   370
>   DZ0:   160100   400
>   DZ1:   160110   410
>   KW11L  177546   100
>   SR     177570
>   DR     177570
>   Hertz = 60.
>   Other: FPU, SL, 22-Bit Addressing, Cache w/address, System ID = 4660
> If I boot an RSX-11M disk, then additional terminal interfaces seem to
> work fine, so the problem seems specific to RSTS.   I saw references in the
> list archive to other pre-built systems on www.rsts.org <
> http://www.rsts.org> but that doesn't seem to be available at the moment,
> so I can't try another build right now.
> Any clues on what I'm missing ?
> Thanks,
> Trevor
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>
> --
> Johnny Billquist                  || "I'm on a bus
>                                  ||  on a psychedelic trip
> email: bqt at softjar.se             ||  Reading murder books
> pdp is alive!                     ||  tryin' to stay hip" - B. Idol
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>
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