On Mon, 23 Mar 2020 05:15:15 -0400, Thomas David Rivers wrote:

>I think I've run into an interesting problem with ESTAEX
>when it is invoked in AMODE 64 without SYSTATE AMODE=64
>set at assembly time.
> 
What services, IBM or ISV, nowadays can *not* be invoked:
o In AMODE 64?
o With parameters above-the-bar?
o Called from an address above-the-bar?

I.e. when can programmers forget about 31 and 24?

And there's a residue of data with 31-bit (24?) pointers.

-- gil

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