[Simh] Problem with reading tape with PDP-11 SIMH

Mark Pizzolato - Info Comm Mark at infocomm.com
Thu May 21 14:38:31 EDT 2015


On Thursday, May 21, 2015 at 11:30 AM, Timothe Litt wrote:
> Do you build the simulator with the asynchronous (threaded) tape IO?
> If so, do you see the failures if you don't?  (I believe that only some of the
> drive emulations use async io; I'm not current on which do and which don't.)

Only the TQ tape device has asynchronous I/O.

> I have in progress (but not ready to release) a utility that dumps a .tap file &
> will report on its structure.  If a dump of your tape would help, contact me
> off-line.

Actually, a utility which does this has existed in the simtools file for MANY years (mtdump.c).  

- Mark



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