[Simh] PDP11 on Simh for public access

[Mark Pizzolato]

Hi Bryan,

These prompts can all be addressed with EXPECT and SEND commands as part of your simulator startup configuration file.  These commands are built into simh.  See HELP EXPECT and HELP SEND.  Appropriate values to answer date and time prompts can be part of the SEND text as well.  See HELP DO VARIABLE_INSERTION.

Have fun.


-          Mark

From: Simh [mailto:simh-bounces at trailing-edge.com] On Behalf Of Bryan Davies
Sent: Thursday, January 18, 2018 1:59 AM
To: simh at trailing-edge.com
Subject: [Simh] PDP11 on Simh for public access

Hi,

I volunteer for a computer museum in Cambridge UK where we would much like to extend our mini-computer exhibit.   We want to set up a VT100 running RSTS/E for our visitors to use. As the system needs to start unattended I need it to boot up RSTS from power up.

I have installed Simh on a Raspberry Pi B and connected the VT100 to the serial port ttyAMA0.

While I can login to the Pi on the VT100 and boot the emulator manually, RSTS/E has a number of prompts within the boot dialogue (Date, Time etc) which need to be answered before it is possible for a User to login.  I have tried putting these responses in a Shell script, and while that 'works' insofar as the boot process completes, it doesn't return control to the terminal after the script ends.

Can anyone advise how to do it?


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