Hi

can anyone suggest what I have done wrong or what I am missing?

I am running SIMH 3.9 (from the SimH site) on a Centos6 system run under VMware (also VirtualBox gives same results). I have been using Bob Evans RSX11M information from his site. When I load the simulator using mostly his sim.ini file (I removed his telnet stuff that was built in) and type the usual 'BOOT RL0' (or 'boo rl0') I get a Halt at PC 0. Examining the code at location 0 I get (as expected from output) a HLT instruction (000000 octal).

The disk images do not appear to be corrupted but I am not aware of any MD5 or similar checksums to be certain.

Anyone any ideas what I am missing or doing wrong?

My only thought was that I was running pdp11 SimH under a virtualization system (or in crude terms a simulator within a emulator/simulator) and wondered if that was the issue. But some searching showed a number of people who have successfully run SimH simulators under VMware at least. So at the moment I am inclined to believe that is not the issue.

My initial PC is a Windows 10 Home, running VMware Workstation 14 (or VirtualBox 5.2.8) and hence to a Centos 6.9 system with 2GB RAM, 1 vCPU.

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Phil J Fisher
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