Re: Diag8 documentation

Thanks to all of you for your helpful responses. I had looked at HAO
but could not figure out a way to not issue a command for an output
tape (scratch). I did get a very helpful response from Roy that shows
exactly how to do it. The TMOUNT method does not work because I cannot
allocate the tape drive. It is in use for the task waiting for the
mount.
On Tue, 2020-01-28 at 13:33 -0600, Joe Monk [email protected]
[hercules-390] wrote:
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>       I dont think you want to do that via a diagnose. Have you
> looked at the HAO?
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> Example:
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> Another example, shown below, illustrates how the dot matrix display
> of a 3480 tape unit might be used to implement an automatic tape
> library:
>    hao tgt HHCTA010I ([0-9A-F]{4}): Now Displays: (?:".{8}" /
> )?"M([A-Z0-9]{1,6})\s*S"   hao cmd devinit $1 /u/tapes/$2.awstape
> 
> http://www.hercules-390.eu/hercinst.html#HAO
> 
> Joe
> On Tue, Jan 28, 2020 at 1:05 PM Michael Wegemer 
> [email protected] [hercules-390] <
> [email protected]> wrote:
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> >       I am new to this group but have used Hercules for some time.
> > I am having difficulty finding any documentation for the DIAG8
> > interface which I understand can be used to send commands to the
> > Hercules console. I am interested in this interface in order to
> > trap WTOR tape mount messages and issue the appropriate devinit
> > command to Hercules (at least for input tapes).
> > Any help would be appreciated. Thanks
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