[Simh] Unix v7 tty terminals in SimH pdp11

[Will Senn]

Thanks, Johnny. I found my notes on when I did this in V6. I had the 
following in my ini file:
set dci en
set dci lines=8
set dco 7b
att dci 5555

and when I boot V6 and telnet into it I get this:
telnet localhost 5555
Trying ::1...
Connected to localhost.
Escape character is '^]'.


Connected to the PDP-11 simulator DCI device, line 0


login: dmr
Login incorrect.
Name: root
#

Which is great. I tried the same in V7 after editing /etc/ttys, which is 
different in V7 than V6, having lines like:
14console
00tty00
00tty01

Which I changed to:
14console
10tty00
10tty01

After reboot, no go though. The telnet session is unresponsive.

Any ideas?

Thanks,
Will

On 10/14/17 2:14 AM, Johnny Billquist wrote:
> I haven't played with V7, but I assume there must either be an 
> /etc/ttys, or something similar, which tells Unix on which terminal 
> lines to start a login process at boot. Otherwise they are going to be 
> very silent.
>
> Also, remember to hit enter, as they will not spontaneously print out 
> a prompt just because you telnet in. They have already printed a 
> prompt when the login program started.
>
>   Johnny
>
> On 2017-10-14 06:13, Will Senn wrote:
>> Hi,
>>
>> It's been a while since I used SimH pdp11 to do anything beyond boot 
>> Unix V6/V7 for a single user. I would like to be able to use the V7 
>> system in multiuser mode with multiple users and I can't quite wrap 
>> my mind around the problem, so I am asking y'all for help. I am sure 
>> I'm butchering the discussion as I'm a bit unclear on what device is 
>> doing what, but ultimately I want to be able to telnet locally to a 
>> port that the running Unix Version 7 will respond to with a TTY that 
>> I can log in to. According to the document Setting Up Unix - Seventh 
>> Edition by Charles B. Haley and Dennis M. Ritchie, V7:
>>
>> The DC11 driver is set to run 4 lines. This can be changed in dc.c.
>> The DH11 driver is set to handle 3 DH11's with a full complement of 
>> 48 lines. If you have less, or more, you may want to edit dh.c.
>> The DN11 driver will handle 4 DN's. Edit dn.c.
>> The DU11 driver can only handle a single DU. This cannot be easily 
>> changed.
>> The KL/DL driver is set up to run a single DL11-A, -B, or -C (the 
>> console) and no DL11-E's. To change this, edit kl.c to have NKL11 
>> reflect the total number of DL11-ABC's and NDL11 to reflect the 
>> number of DL11-E's. So far as the driver is concerned, the difference 
>> between the devices is their address.
>>
>> This sounds promising as these seem like terminals to me and each has 
>> plenty of lines if only I could get simh to serve up the devices and 
>> attach them to telnet ports, and if Unix will actually provide ttys 
>> on those devices.
>>
>> I read the docs and tried adding variations of:
>>
>> set dli lines=4
>> attach dli 3633
>> set dlO0 nodataset
>> set dlO1 nodataset
>>
>> to my pdp11 boot.ini file, as well as dc versions of the above and 
>> and and...
>>
>> I telneted to port 3633 locally after each reconfiguration, but 
>> didn't get any unix output on the telnet session.
>>
>> I appreciate any helpful comments or suggestions.
>>
>> Thanks,
>>
>> Will
>>
>>
>

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