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Flavioweb
Registered: Nov 2011
Posts: 466 |
Create G64 disk image using real hw: possible?
There is a way to create a G64 image using only real hardware? |
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chatGPZ
Registered: Dec 2001
Posts: 11540 |
Burstnibbler uses parallel connection to begin with, which is pretty much a requirement for a proper nibbler (unless you install extra memory in the drive).
For Zoomfloppy (or similar purposes) it doesnt really matter anyway, as the drivecode can be relatively dumb, and all the complex stuff can be done on the recieving end. All you need to do is read a full track raw and send it over. |
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Zibri
Account closed
Registered: May 2020
Posts: 304 |
Quoting GroepazBurstnibbler uses parallel connection to begin with, which is pretty much a requirement for a proper nibbler
I don't agree.
It was true at the time and only for speed reasons. |
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chatGPZ
Registered: Dec 2001
Posts: 11540 |
You can agree or not, you still need it (or expanded memory in the drive) to read a full revolution raw and reliably. |
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tlr
Registered: Sep 2003
Posts: 1822 |
If only they'd put 8K+ in there from the beginning... :P
Come to think of it, I still have a +8K board waiting to be installed. :) |
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Krill
Registered: Apr 2002
Posts: 3104 |
Quoting tlrIf only they'd put 8K+ in there from the beginning... :P
Come to think of it, I still have a +8K board waiting to be installed. :) Hah, and i still have a parallel cable upgrade kit sitting around... =) |
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Comos
Registered: May 2004
Posts: 73 |
Quote: Quoting GroepazBurstnibbler uses parallel connection to begin with, which is pretty much a requirement for a proper nibbler
I don't agree.
It was true at the time and only for speed reasons.
How did you come to that conclusion? |
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Fungus
Registered: Sep 2002
Posts: 756 |
Nibblers are not duplicators, so lets just set that straight right now. Zoom Floppy is incapable of making any of kind of proper disk image for protected software.
I'll wait for the big brain to claim he can read weak bits perfectly with 1541 and then make popcorn. |
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chatGPZ
Registered: Dec 2001
Posts: 11540 |
Once you can read a full revolution reliably without parallel cable or memory expansion, you can also read woke bits. |
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Zibri
Account closed
Registered: May 2020
Posts: 304 |
Quoting GroepazYou can agree or not, you still need it (or expanded memory in the drive) to read a full revolution raw and reliably.
Why?
You can read parts of a track and then stitch them together as the data repeats. Also with weak bit a single rotaion won't show you everything. For sure it's faster with a parallel cable or a memory expansion, I am just saying that technically it's only the speed of the operation that changes. |
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Zibri
Account closed
Registered: May 2020
Posts: 304 |
Quoting GroepazOnce you can read a full revolution reliably without parallel cable or memory expansion, you can also read woke bits.
If I understood it correctly, a real weak bit is a bit that is magnetized lightly and has an unstable state so that sometimes it reads as a 0 and sometimes as a 1.
A single revolution will only read it in one way. Or I got the concept wrong? |
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