On 31 Mar 2004, at 21:39, Hunsberger, Peter wrote:

My assembler exposure (many years of OS maintenance) was the IBM 370
(latter 390) variant, more registers, but basically the same kind of
muckity muck with the addition of channel programming; IO that modifies
IO

I feel so old... I've coded on the S/36 in the mid 80s :-( They were good as office-heaters, though!

Pier



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