DECtape ancestry (Kyle Owen)

Lars Brinkhoff lars at nocrew.org
Sun Mar 21 13:10:45 CDT 2021


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 too.  I think some DEC
format as well, right?


More information about the cctalk mailing list