Sujet : Re: evolution of bytes, The joy of FORTRAN
De : johnl (at) *nospam* taugh.com (John Levine)
Groupes : alt.folklore.computers comp.os.linux.miscDate : 02. Mar 2025, 21:34:09
Autres entêtes
Organisation : Taughannock Networks
Message-ID : <vq2fc1$6db$1@gal.iecc.com>
References : 1 2 3 4
User-Agent : trn 4.0-test77 (Sep 1, 2010)
According to Al Kossow <
aek@bitsavers.org>:
On 2/28/25 5:48 PM, John Levine wrote:
>
Oh sure but I am fairly sure that the 360 was the first machine that
was both character and word addressable with the words at power-of-two
addresses, and a design that allowed word operationw to work as a unit
rather than serially by character.
>
7030 (Stretch) which also used the term "byte" (page 39 of "Planning a
Computer System")
Sure, but its addressing was by 64-bit wurd, with elaborate address modes to
handle bitfields at arbitrary boundaries.
S/360 brought us the addressable 8 bit byte packaged into 16 bit halfwords and
32 bit words, using the same addressing for each.
-- Regards,John Levine, johnl@taugh.com, Primary Perpetrator of "The Internet for Dummies",Please consider the environment before reading this e-mail. https://jl.ly
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