Hunkeler Peter (KIUP 4) pisze:
BTW: Up-to-date z/OS 1.11 is still partially 31-bit and 24-bit.
As long as the "backward compatibility" promise is not broken
there will be AMODE24 and AMODE31 interfaces in z/OS.
That's good. However I wrote about the bad side. Many system components
are still 24-bit, not to mention majority which is 31-bit. Does it hurt?
Sometimes yes.
Example: I tried to used RMM e...@variables in REXX. fine, but the space
for the variables is in 24-bit world. AFAIK it is limitation of TSO, not
RMM by the way. So, my multi-GB 64-bit system is limited by storage
below the 16MB line. There are many more examples where you are
constrained by 24-bit and 31-bit storage. (The lest one does not hurt to
much).
Disclaimer: Of course I understand that at least some of the constraints
comes from compatibility requirements. Some of...
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