On 10 November 2015 at 20:36, Shmuel Metz (Seymour J.)
<[email protected]> wrote:
>>How does the OS find the integrated console?
>
> I beleive that there is an undocumented interface via the Diagnose
> instruction.

I'd guess SERVC, but is it even a CCW-driven I/O device? Or more a
variation on the line-mode integrated console?

Tony H.

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