wlevak_at_cyberspace.org
Date: 2003-05-19 05:15:01
If the signal is not on the tape, you cannot get it off. Try an
oscilloscope on the output from the read head. If you have signal, a
storage scope may be able to capture it.
On Sun, 18 May 2003 marko.makela@hut.fi wrote:
> I have some old Commodore 64 tapes from 1985 that are in rather bad condition.
> Few of the standard format programs can be loaded correctly, and it is
> hopeless to try to load any of the programs that are in the 64'er Turbo Tape
> format.
>
> Last December, I tried archiving these tapes with a modified 1530, where I
> rewired the internal card edge connector, so that a C2N232 device could be
> plugged in. Tonight, I tried reading a couple of tapes with Andreas
> Andersson's TAPir program, which samples the audio from a sound card. It
> didn't produce better dumps than those I already have.
>
> Are there any robust tape decoder tools that apply some sort of a search
> algorithm in order to read almost-unreadable tapes? Do they require a
> loopback to the pulse detection algorithm, or can they work on pulse streams
> (TAP format)?
>
> Marko
>
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>
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