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crl
Registered: Mar 2020
Posts: 19 |
Data capacity on a tape
Does anyone know what the storage capacity of a 60 and 90 minute tape is?
I'm thinking bout the maximum capacity, i.e. where a fastloader is used.
A C64 disk could hold 2x171 kb, but when it comes to tapes, we must be into the megabytes. |
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crl
Registered: Mar 2020
Posts: 19 |
So around 800 kB / 1200 kB depending on the type of tape. That sounds about right. |
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tlr
Registered: Sep 2003
Posts: 1703 |
Quoting crlSo around 800 kB / 1200 kB depending on the type of tape. That sounds about right.
per side, yes. |
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Golara
Account closed
Registered: Jan 2018
Posts: 212 |
Quote: So around 800 kB / 1200 kB depending on the type of tape. That sounds about right.
Which is something you would not be able to load at once. If you instead decide to fill up the tape with lots of 50kb files then the capacity will be bit less, since you need the header for each file. |
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F7sus4
Registered: Apr 2013
Posts: 112 |
@Golara: The differences those headers would take are often smaller than differences between the same declared tape lengths from various manufacturers. |
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Krill
Registered: Apr 2002
Posts: 2825 |
Here's an older thread discussing maximising tape storage capacity: Tape loaders using more than two pulse widths for data |
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Burglar
Registered: Dec 2004
Posts: 1031 |
Quoting GolaraWhich is something you would not be able to load at once. If you instead decide to fill up the tape with lots of 50kb files then the capacity will be bit less, since you need the header for each file. so who will code a tape-iffl? |
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Zyron
Registered: Jan 2002
Posts: 2381 |
You will. ;) |
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Frantic
Registered: Mar 2003
Posts: 1627 |
Hedning would like it |
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morphfrog
Registered: Mar 2002
Posts: 32 |
Would be very cool, tape is the future(tm). |
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tlr
Registered: Sep 2003
Posts: 1703 |
If you want to pack the data densely and want to be able to stop/start dynamically you’ll have to ask the user to rewind slightly here and there.
(Unless you fully implement loading during wind-down/wind-up of the motor) |
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