One-pass "flippy" disk support is here!

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BarryB
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Joined: Thu Aug 02, 2012 8:15 pm

Re: One-pass "flippy" disk support is here!

Post by BarryB » Mon Jun 15, 2015 9:51 pm

Any news on Flippy Writing per chance?

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IFW
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Re: One-pass "flippy" disk support is here!

Post by IFW » Tue Jun 16, 2015 2:06 pm

You can do that as long as side 1 is synced to side 0 index, e.g. some System 3 and Thalamus releases.
You can also write side 1 to side 0.
For any other case, future updates will make them possible.

BarryB
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Re: One-pass "flippy" disk support is here!

Post by BarryB » Thu Jun 18, 2015 9:07 pm

IFW wrote:You can also write side 1 to side 0.
Is that with -wy switch?

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IFW
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Re: One-pass "flippy" disk support is here!

Post by IFW » Fri Jun 19, 2015 10:24 am

Depends on the target platform.
For flippy disks imaged in a single pass (ie with a flippy modded drive) you should use -y like you would for dumping.
For non-flippy disks, or flippy disks imaged in two passes use -wy. In case you are wondering which flippy platform has to be imaged in two passes: 3'' disks, where double sided drives are not available :)

SLC
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Re: One-pass "flippy" disk support is here!

Post by SLC » Fri Jul 10, 2015 6:22 pm

IFW wrote:You can do that as long as side 1 is synced to side 0 index, e.g. some System 3 and Thalamus releases.
You can also write side 1 to side 0.
For any other case, future updates will make them possible.
Does this mean there's a hope of seeing support of writing side 0 to side 1 in the future as well? :)

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IFW
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Re: One-pass "flippy" disk support is here!

Post by IFW » Sat Jul 11, 2015 7:38 am

Not really as it's not the same thing - but I'll keep it in mind just in case ;)

comradesean
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Re: One-pass "flippy" disk support is here!

Post by comradesean » Fri Jul 31, 2015 9:31 pm

For some strange reason side 1 does not appear to contain any recognizable data when using PCE's conversion tools or when attempting to view track information using HxC's floppy emulator software, but DTC can create images just fine using the stream. And this is only an issue with one-pass flippy disks.

Is this maybe an issue with the process that was overlooked or should I just bring this up to the developer's of the software I mentioned?

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mr.vince
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Re: One-pass "flippy" disk support is here!

Post by mr.vince » Fri Jul 31, 2015 9:41 pm

I think the ball is in PCE's field...

brightcaster
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Re: One-pass "flippy" disk support is here!

Post by brightcaster » Sat Aug 01, 2015 9:19 pm

To my understanding the stream of side 1 of a real fllippy disk must be prosessed in reverse mode. Maybe those decoders dont take care of this....

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mr.vince
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Re: One-pass "flippy" disk support is here!

Post by mr.vince » Sun Aug 02, 2015 10:13 am

That is exactly my assumption.

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