----- Original Message ----- From: "Al Kossow via cctalk" <cctalk@classiccmp.org> To: <cctalk@classiccmp.org> Sent: Tuesday, October 03, 2017 11:06 AM Subject: Re: That Tek 405x QIC Tape.
> > > On 10/3/17 2:50 AM, Jos Dreesen via cctalk wrote: > >> Al is maintaining a set of ROM images for these machines, are tape images >> covered somewhere ? >> Do we have an fixed tape image format, as has been done with Dave's IMD for >> floppies ? > > As far as I know, no one has successfully made a copy of a Tek cartridge tape > in an image format. > The tapes use two tracks, one for clock and one for data. Encoding beyond > that has not been determined. > I still have several boxes of these including ones that are supposed to have > Battlestar Galatica data > but I have bigger projects to deal with right now. -------------- Sounds like a similar system to what Burroughs used on their cassettes; I always thought that they'd be a lot easier to read than the 'normal' formats with embedded clock signals and always intended to try to read some of the tapes I have here some day. May have to move it up a few pages of my to-do list now that you've reminded me, although I doubt that there's much interest 'out there' in 'L' series software... m
