[sebhc] Tape images
Steven Parker
sp11 at hotmail.com
Thu May 13 23:03:26 CDT 2004
Carroll says:
>I copied the original Heath tapes, byte for byte, to my PC, and gave them
>the PID extension.
So that really is from the tape then, not memory contents dumped back out
again? That would explain one curious thing I noticed, too. While the
format doesn't define any bytes after the crc, the PID files all contain $FF
after it. BUT..if you had dumped them with PAM-8 they would contain a 2nd
copy of the CRC instead. I never knew how the tapes were manufactured (on
the other hand, I designed the program that manufactured the diskettes).
It's nice also to know where the name PID came from too. :-) But.. do the
letters stand for anything?
Cheers,
- Steven
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