Michael Thompson wrote:
> Kyle Owen wrote:
>> What systems took advantage of the bidirectional nature?
>
> ADSS on the PDP-9 does an interleave of 6 when reading/writing to the
> DECtape. If it runs off the end it reverses direction and keeps going.
MIT's MACDMP (and by extension, ITS) does this t
>
> Date: Sat, 20 Mar 2021 16:21:44 -0400
> From: Kyle Owen
> Subject: Re: DECtape ancestry
>
> What systems took advantage of the bidirectional nature?
>
> Kyle
>
ADSS on the PDP-9 does an interleave of 6 when reading/writing to the
DECtape. If it runs off the en
> On Mar 20, 2021, at 4:21 PM, Kyle Owen via cctalk
> wrote:
>
> On Sat, Mar 20, 2021, 16:13 Paul Koning wrote
>
>> Speculating here since I have no direct knowledge: the DECtape format
>> allows read and write in either direction, while LINCtape only allows read
>> and write forward. The
On Sat, Mar 20, 2021, 16:13 Paul Koning wrote
> Speculating here since I have no direct knowledge: the DECtape format
> allows read and write in either direction, while LINCtape only allows read
> and write forward. The bidirectional I/O capability was part of DECtape
> format from the start, an
> On Mar 20, 2021, at 4:07 PM, Kyle Owen via cctalk
> wrote:
>
> Why did DEC not use the LINCtape format for the PDP-8? I assume maintaining
> format compatibility between their low, mid, and high range systems was
> important to them? I suppose there was no other good solution to
> transferr
Why did DEC not use the LINCtape format for the PDP-8? I assume maintaining
format compatibility between their low, mid, and high range systems was
important to them? I suppose there was no other good solution to
transferring large files across different DEC platforms than to use
magnetic tape...so
THanks Al! I forgot about that chapter of Tom's ..worked for him for a
few years, Fantastic Boss, and one helluv an engineer.
bb
On Thu, Mar 11, 2021 at 9:23 PM Al Kossow via cctalk
wrote:
>
> On 3/11/21 6:18 PM, Al Kossow via cctalk wrote:
> > On 3/11/21 6:16 PM, Al Kossow via cctalk wrote:
> >>
On 3/11/21 6:18 PM, Al Kossow via cctalk wrote:
On 3/11/21 6:16 PM, Al Kossow via cctalk wrote:
On 3/11/21 6:12 PM, Bob Smith via cctalk wrote:
My recollection was the Linc was inspired by the Whirlwind. Whirlwind
predates it by a few years.
Tom Stockebrand is the connecting link between all
On 3/11/21 6:16 PM, Al Kossow via cctalk wrote:
On 3/11/21 6:12 PM, Bob Smith via cctalk wrote:
My recollection was the Linc was inspired by the Whirlwind. Whirlwind
predates it by a few years.
Tom Stockebrand is the connecting link between all of these tape systems.
I don't know if he was in
On 3/11/21 6:12 PM, Bob Smith via cctalk wrote:
My recollection was the Linc was inspired by the Whirlwind. Whirlwind
predates it by a few years.
Tom Stockebrand is the connecting link between all of these tape systems.
I don't know if he was involved with the original Raytheon tape design
for
My recollection was the Linc was inspired by the Whirlwind. Whirlwind
predates it by a few years.
AND of course the Linc inspired the PDP5 and PDP8. Of course some one
correct me if this is wrong, but my sources were DEC when I worked
there 1969-1980, stories with Don White and others, as well as m
Paul,
Very interesting, thanks for sharing.
Bill
On Thu, Mar 11, 2021 at 7:54 PM Paul Koning via cctalk <
cctalk@classiccmp.org> wrote:
> I just read part of the Grant Saviers interview from CHM, where near the
> end he gives a bit of history of DECtape. In particular, the fact that it
> was d
I just read part of the Grant Saviers interview from CHM, where near the end he
gives a bit of history of DECtape. In particular, the fact that it was
derived from LINCtape though the format details are quite different.
A question popped into my mind, prompted by having read Guy Fedorkow's pa
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