On Sat, 19 Feb 2022 at 12:08, Paul Gilmartin <
[email protected]> wrote:
[...]

> Numerous DFP rounding options.  DFP<->packed.  EDMK?.  Some of them
> must meet GAAP.  Ane I was astonished by "DEFLATE-conversion"!
> Is PKZip now (optionally) in hardware?
>

Not PKZip, but Deflate.

DEFLATE CONVERSION CALL
DFLTCC R1,R2,R3 [RRF-a]

DEFLATE CONVERSION CALL performs functions
related to transforming the state of data between the
original (uncompressed) form of the data, and a com-
pressed representation of the data, as specified by
the standard described in Reference [23.]

23. The DEFLATE compressed-data format is
described in DEFLATE Compressed Data For-
mat Specification version 1.3, Internet Engineer-
ing Task Force (IETF), Request For Comments
(RFC) 1951, May, 1996.

Tony H.

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