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Re: Can a VM machine ...

 

Hi,

IMHO, it isn't Hercules responsibility to handle the DIAG8CMD OFF beyond a program check.

It is the responsibility of the OS issuing the DIAG to Hercules.? Why?? It is how it would work with real iron.

The OS should capture the check and reflect it back to the user who attempted to issue the Hercules command.

In the case of VM/CE the return would be an error message and return code stating Herclues has DIAG8CMD off.

Thank you.

On Fri, Dec 2, 2022, 14:05 Fish Fish <david.b.trout@...> wrote:
David Durand? wrote:
> Fish wrote:

[...]
> > I believe the DIAG8CMD option already covers that.
> > But instead of a "request ignored" message, you get
> > an Operation Exception Program Interrupt. (Or is it
> > a Specification Exception? I forget!)
>
>? Previous thread indicates Operation Exception.

<nit>
A program interrupt code 006 is a specification exception.
</nit>

--
"Fish" (David B. Trout)
Software Development Laboratories

mail: fish@...
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