The RSTS riddle.
Al Kossow
aek at bitsavers.org
Sat May 21 15:51:58 CDT 2016
On 5/21/16 12:28 PM, Rod Smallwood wrote:
> Third Point
> There's no way to copy an image only files under any DEC operating system.
>
> Fourth Point
>
> If I had a RSTS system how would I make a backup copy of the install tape?
>
you would use TPC, and you can convert between TAP and TPC
dealing with tape images is easier in the unix world
https://www.brouhaha.com/~eric/software/tapeutils/
from the "SIMH tape images to real tapes" thread on the simh mailing list
http://mailman.trailing-edge.com/pipermail/simh/
>
> Googling around only seems to want to show me how to copy real tapes
> to images. I need to copy a SIMH tape image to a real tape!
>
> I seem to recall SIMH including a utility for this...but I could be
> mistaken.
>
> I will need a utility that will run on VMS (VAX) as I need to use a
> TK50 to make a TK50. (Unless someone wants to doante a TK70. )
>
I use vtapeutils to convert from the 4 byte record header format that
Simh uses to a 2 byte record header format:
http://sourceforge.net/projects/vtapeutils/
Then I use VMSTPC to copy this to a real tape:
http://decuslib.com/decus/vax86d/bnelson/vmstpc/
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