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Old 16 September 2009, 00:46   #1
lost_lemming
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using a blankfloppy & easyADF has anyone ever got this 1 to work?

the top disk
http://amr.abime.net/issue_174_coverdisks

I've tried this twice now. it takes long enough like it has done with the sucessfull ones, but when in DFO it just comes up as 'DFO: aeu_' well not aeu, im making that up as I didn't write it down but it was something like that. every other .ADF has been fine but not this one. knowing my luck, this is probably the ONLY adf file that isn't working amongst the 1000's of other ones from that website.

please try your self if you've got time.
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Old 16 September 2009, 00:50   #2
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That ADF isn't a normal 880k one. That's why you can't write it back.
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Old 16 September 2009, 00:51   #3
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Quote:
Originally Posted by lost_lemming View Post
the top disk
http://amr.abime.net/issue_174_coverdisks

I've tried this twice now. it takes long enough like it has done with the sucessfull ones, but when in DFO it just comes up as 'DFO: aeu_' well not aeu, im making that up as I didn't write it down but it was something like that. every other .ADF has been fine but not this one. knowing my luck, this is probably the ONLY adf file that isn't working amongst the 1000's of other ones from that website.

please try your self if you've got time.
Thanks for the blast from the past, I remember being all excited as a kid to get that mag with interphase only to realise how crap the game was, lol. Total Recall demo was ok though, .

I will check it out, once I get chance.
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Old 16 September 2009, 00:51   #4
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Quote:
Originally Posted by TheCyberDruid View Post
That ADF isn't a normal 880k one. That's why you can't write it back.
That answers that question, .
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Old 16 September 2009, 00:54   #5
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wow damn, the replies are seriously fast tonight on EAB. I will make a note of 11:50pm being the best time to ask questions heehee.

ok cheers for the info. I will just have to find a way of getting the original in working cond.
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Old 16 September 2009, 01:20   #6
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Quote:
Originally Posted by lost_lemming View Post
wow damn, the replies are seriously fast tonight on EAB. I will make a note of 11:50pm being the best time to ask questions heehee.
Don't let this become a habit, you hear me?
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Old 16 September 2009, 01:31   #7
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Hi lost_lemming,

I'm uploading an ADF image of Amiga Format 18 Disk A to the Zone for you.

Edit: Zoned!
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Old 16 September 2009, 01:36   #8
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Still not 880k prowler, so not suited to writing it back to a floppy
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Old 16 September 2009, 01:38   #9
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You're right! What's up with that disk? I got that one from the EAB File Server. (But it is different from the AMR version. )
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Old 16 September 2009, 01:42   #10
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Most likely some kind of physical copy protection (hence the Extended ADF format). Maybe Denis can tell us what's up with that disk (of course everyone is welcome to do so ).
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Old 16 September 2009, 08:30   #11
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It's neither a copy protection nor an extended ADF. It's just a standard ADF with 82 tracks (instead of 80 as usual). Transdisk should be able to write this image to disk because you can tell it to write 82 tracks.

Of course such disk is not readable from Workbench. You have to boot from it.
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Old 16 September 2009, 09:20   #12
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I have an original copy of this coverdisk and have used rawread (Aminet:disk/bakup/rawread.lha) to create an extended ADF of it.

Tracks 1-45 (i.e. cylinder 0, side 2 through cylinder 22 side 2) are non-standard (that is, non-DOS) tracks. I don't know whether they are long tracks (to cram more data in less space) or whether they're some kind of copy protection scheme.

It doesn't matter either way, however, as I know of no software which is capable of writing an extended ADF back to disk.
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Old 16 September 2009, 13:03   #13
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Well, the version which prowler put into the zone is not extended and can be written back to disk.
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Old 16 September 2009, 14:31   #14
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Quote:
Originally Posted by lost_lemming View Post
wow damn, the replies are seriously fast tonight on EAB. I will make a note of 11:50pm being the best time to ask questions heehee.

ok cheers for the info. I will just have to find a way of getting the original in working cond.
Regarding this,

EasyADF can write this image back, by simply altering the end track on the drive selection screen. Then it will do it fine.



Workbench wont like the disk after though, but it will boot from it fine.
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Old 16 September 2009, 17:36   #15
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thanks, I did the endtrack trick and it's worked using pworwlers ADF! thanks alot guys! I dont know how to properly thank you!!
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Old 16 September 2009, 19:25   #16
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Hi lost_lemming,

It's good to hear you got it working with the file I uploaded.

I've been playing with that file in WinUAE and discovered the first 880K is the ADF image of the disk and the other 22K is rubbish.

I've uploaded a new version with the rubbish deleted, so that now the file is 880K. I've tested the new image and it diskcopies and boots OK!
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Old 21 September 2009, 17:54   #17
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normal ADF = disk with no MFM, no longtracks, no protection disk.
Extended ADF = disk with MFM, longtracks, protection.
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