[Simh] B5500 idle detection

Richard Cornwell rich at sky-visions.com
Sat Dec 23 13:29:29 EST 2017


Hi David,


> I have just started using the new Burroughs B5500 emulator with MCP
> XIII. Thanks to Paul Kimpel's and Richard Cornwell's sites, the PDFs
> at bitsavers.org, and considerable head scratching, I now have it
> running the timesharing MCP, and CANDE listening on port 2000. It's
> wonderful to be able to play with this classic architecture and an OS
> that was written entirely in ALGOL nearly ten years before UNIX.
> Before Multics, even.
> 
> Anyway. The only problem is that my laptop's CPU fan is constantly
> spinning at eleven. I have "set cpu idle" in my initialisation file,
> and "show cpu" reports "idle enabled", but CPU usage is constantly at
> 100%.
> 
> Have I missed some undocumented "set" option?

  I have fixed this bug and it is now part of the main simh repo.

  This was caused by my not calling the correct routines for the
  inquiry console.

Rich
-- 
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Richard Cornwell
rich at sky-visions.com
http://sky-visions.com
LinkedIn:   https://www.linkedin.com/in/richard-cornwell-991076107
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