Chuck Guzis wrote:
> I've got a 7 track tape here that was written on a PDP-10 TENEX setup.
> It's identified as a "mini-dump" tape.   I can extract the data (PDP-10
> 5 char/word) successfully, but the format of the block headers (seems to
> be about 6 words) eludes me. I'd like to be able to use the original
> file names.  Does anyone have information on the mini-dump structure?

Yes.  I wrote this by combining various documents, MINI-DUMPER and
DUMPER sources, and testing.  It includes both MINI-DUMPER and DUMPER.

https://gunkies.org/wiki/DUMPER_tape_format

I wrote a program to read and write such tapes:
https://github.com/larsbrinkhoff/pdp10-its-disassembler/blob/master/dumper.c

I haven't tested extracting a MINI-DUMPER tape, because I don't have any
samples.  I have created tape images, and tested reading them from
inside TENEX.

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