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

[Trevor Warwick]

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 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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