RT11 Freeware Collection
kgober at gmail.com
Sun May 1 09:01:22 CDT 2022
On Sat, Apr 30, 2022 at 12:33 PM Douglas Taylor <dj.taylor4 at comcast.net>
> I was able to mount the partitions (as shown below) and actually extract
> the entire 65K partition to a *.dsk file that SIMH was able to mount and
> This is what I was trying to do. Get files from the RT11freewarev2 cd
> into SIMH. From there I can get them to my real PDP11 hardware.
> Some of the files are binary so this process is necessary.
> One comment - when you execute a mount command it takes a minute or 2 to
> decompress the file, so be patient!
> One question - How did you know how much to skip?
The README.TXT file said which 'logical' volumes within the physical device
contained RT-11 filesystems,
and it's known that each volume is 32MB (65536 512-byte blocks). If each
'logical' volume is 32MB you
just multiply. volume 13 (numbered from 0) will start at 13*32MB = 416MB.
The README also indicated that you could mount from the ISO directly using
the DU device driver
but I've never tried this myself. Presumably this would involve accessing
DU13:, DU14:, etc.
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