[HECnet] PDP-11 RSX corrupted tapes: any progress?

[Johnny Billquist]

Hi, Jordi.

On 2016-06-04 18:51, Jordi Guillaumes i Pons wrote:
> Hi,
>
> I wonder if someone has been succesful repairing the corrupted tpc images of several PDP-11 layered products that are (not)available in some sites (bitsavers and trailing-edge come to memory). IIRC there was a kind of effort to fix whatever could be fixed (the BRU format ones, specifically) reordering the mangled tape blocks in the image.
>
> More specifically, I’m looking for an usable COBOL-81 compiler. The one which is not corrupted (cobol_v4_4) is COBOL/C11, not COBOL 81, and even for hobbyist stuff, handling COBOL-74 is a PITA…

I wrote a tool that can fix BRU tapes. I can't remember if the Cobol-81 
tape is a BRU tape. If it is a DOS-11 tape, then you're in for a lot of 
headaches...

	Johnny

-- 
Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt at softjar.se             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol