19 Sep
2015
19 Sep
'15
8:50 a.m.
Some years ago I recall reading about possibly modifying TSS/8 to run on
more recent disks instead of the ancient DF32 (a whopping 32Kword fixed head
disk with up to three more slaved platters).
Did anyone actually implement the changes? I know it wouldn't work well on a
moving-head disk without significant changes, because the swapping is more
or less constant.
-Charles
19 Sep
19 Sep
9:44 a.m.
On Sat, Sep 19, 2015 at 10:50:04AM -0500, Charles wrote:
Some years ago I recall reading about possibly
modifying TSS/8 to run on more
recent disks instead of the ancient DF32 (a whopping 32Kword fixed head disk
with up to three more slaved platters).
Or the RF08/RS08 -- luxurious compared to a DF32/DS32!
Did anyone actually implement the changes? I know it
wouldn't work well on a
moving-head disk without significant changes, because the swapping is more or
less constant.
A zillion years ago, the DECUS library had a TSS/8 hack to make it run
on an RK05 (as the only disk I mean -- later TSS/8s already supported RKs
as data disks, unless I've gone senile). No idea how they managed that --
the wordiness of the DF/RF controllers penetrates deep into TSS/8's soul.
Maybe RFILE/WFILE weren't done compatibly with vanilla TSS/8? Dunno.
John Wilson [0,3]@SID
D Bit
4007
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aek＠bitsavers.org -
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