On Fri, 23 May 2014, Larry Baker wrote:
Cory,
"Fatal drive error" means the SIMH decoder failed a validation test. Meaning,
it didn't match Bob Supnik's description of the format. If you first run TAPELOOK on the
SIMH image, the same thing will probably happen. Where did you download the RSTS tape
image. Are you sure it is a SIMH mag tape image?
It is possible that this will happen at the end of a valid SIMH mag tape image.
I didn't do anything to stop reading bytes at what would be, e.g., a Unix EOF.
That is because I am reading the file in block mode, not record mode. For
example, the tape image I was working with did have garbage at the end of the
file. But, that did not affect the MTD image creation.
It happened at the end.
If you have a valid SIMH mag tape image, my TAPELOOK program should show you
what you've got. If the conversion worked, you should see the same contents
when you run TAPELOOK on the converted MTD mag tape image.
Looks like the converted tape image is correct.
--
Cory Smelosky
http://gewt.net Personal stuff
http://gimme-sympathy.org Projects
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