I use my Nov-32 with Hepax to store Focal programs, executing them within Hepax. I've been working in this way for several months without problems.
Last night I allowed the batteries to run down (forgot I'd executed "ON"). This morning the batteries were flat. The Hepax contents were all there thanks to the Nov-32. I cleared the HP41 memory to be safe, and started work...
Now the strange bit: The Focal programs in Hepax cannot be directly executed as before. They have not been corrupted: if I COPY to main memory they run as expected. But when I attempt to run a program in Hepax it returns immediately, without any error message but without executing any of the program. BUT, if I GTO that program and press R/S it runs correctly!
It seems to be only the ability to execute Hepax programs directly that has been affected. This applies both to my original programs and a test program I just created and saved to Hepax. Any ideas, before I resort to reprogramming the Nov32 from scratch?