Can the emulator be more noisy? (For diagnostics)

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Tom Stepleton

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Apr 8, 2026, 7:43:30 PM (9 days ago) Apr 8
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Greetings,

I'm using the MFM emulator inside of a malfunctioning computer. I'd like to gather more information about what's going on from various sources, including monitoring all the transactions it's having with the (emulated) hard drive. It could be that existing verbosity options (-q 0) already do this and that there just isn't much going on. But in case that's wrong and even (-q 0) doesn't say it all: is there more that I can do to know everything that the computer is saying to the drive?

Many thanks,
--T

David Gesswein

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Apr 10, 2026, 9:33:32 AM (7 days ago) Apr 10
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There aren't any more command line options to turn on. The code samples and
prints the select and head line sample periodically. If signal only changes for
a short time it may not be detected. There is a usleep at the end of mfm_emu.c
you can decrease to sample faster and code rebuilt. Should be able to make
it much smaller.

Stepping normally will generate a print. Not sure if it will print if the
cylinder isn't changed by the step pulses.
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