My mistake ... after checking the website these look to be block by block image
of TU-58 tapes, but labeled as '.tap' files instead of '.dsk' files.
The .dsk file would normally be a block for block image of the disk (or block
addressable tape) device.
Whereas a '.tap' file would not only have data, but embedded flag words for
record separators, end of file indicators, and such.
So as Mark indicates these files should be mountable on the SIMH TU58 device and
accessible by the appropriate software (ie, VMS TU58 driver in this case).
Don
On 3/23/2016 5:14 PM, Don North wrote:
TU-58 is a tape cartridge, but it is block addressable like a disk (or
floppy). 512 blocks of 512 bytes. Normally an image of it would be a .dsk and
not a .tap.
VMS .tap images are (probably) 9 track magnetic tape images that would be
mounted on a TU or TM device type, not TU-58.
Don
On 3/23/2016 3:21 PM, Mark Pizzolato wrote:
The all of the VAX (and PDP11) simulators in the current simh codebase
atHTTPS://github.com/simh/simh have TU58 device support. The console devices
on the VAX750 and VAX730 simulators can boot from bootable media (device TD as
I recall). All simulators have simulated TU58s connected via simulated DL
serial ports with the device known as TDC. Up to 32 TU58 drives are supported.
- Mark
I can't seem to be able to find anywhere, and I looked at some of my own
previous posts as well as others on this list; about tu-58 tapes.
Now there are some VMS versions 3 and 4 and such that have a .TAP
extension. They are copies of actual cartridges. For vax or possibly pdp11.
How do you set the vax for those tapes? I have looked at simh docs and tried
at tu (or tk) tk0 and it seems to work but set doesn't work. Here's a link to
that page.
http://iamvirtual.ca/VAX11/VAX-11-software.html
Does simh emulate this tape? I'm sure most are familiar with this page.
Bill
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