NDOS disks to dms/adf?

superquake · 31 October 2005, 14:33

Hi all

I've been going through a lot of my old Amiga disks these past few weekends, and there are some (well, a load) that come up as DF0:NDOS when I put them in workbench. They play fine, but workbench won't recognise them. I do most of my image making with DMS, then converting the DMS files to ADFs in a batch process, but I have saved a load of these NDOS disks as I didn't know if they would work with DMS. Is there a particulat method or software I should use to make images of the ndos disks, or should I just DMS them as normal?

Thanks!

Doc Mindie · 31 October 2005, 17:22

Since DMS reads track-by-track, it's perfectly reasonable to DMS you NDOS disks.

DMS doesn't care whether the disk is "readable" by workbench or not......and so it reads and writes it without problems. As long as you don't have any corrupted tracks, of course

thomas · 31 October 2005, 17:37

Quote:

Originally Posted by Doc Mindie

DMS doesn't care whether the disk is "readable" by workbench or not......

That's not true. By default DMS checks the bitmap of the file system and only archives blocks marked as in-use. On a NDOS disk there is no bitmap and so DMS does not archive anything. You have to switch off this option.

However, using DMS to pack the data only in order to unpack them later to get ADF files might be a big waste of time (real and processor time). You should consider using another program which creates ADF images directly from disk. E.g. TSGUI.

superquake · 31 October 2005, 17:41

Thanks, I've d/l TSGUI from Aminet - I'll try it out this weekend.

Doc Mindie · 31 October 2005, 17:45

Thoams, I'm sorry if I was mistaken....but I was absolutely sure I had both packed and unpacked NDOS demos and other disks, just using Dms read....

Ah, well, I must remember wrongly then.....too much Windows around here for my own good

thomas · 31 October 2005, 23:41

I've gone through this when I got my first CD writer. I archived all my floppy disks with DMS just to recognise that some disks weren't archived correctly. Unpacking them just created empty DOS disks instead of the original disks. IIRC for these disks I used a tool called Zoom. It is similar to DMS but does not check the bitmap. I didn't know that anything like ADF exists back then. Also I didn't examine all of DMS' options. There is one to disable the bitmap checking.

Galaxy · 01 November 2005, 02:54

Why not rawread or one of the warpers.

Also it helps to turn on verification in whatever program you are using.

Adderly · 02 November 2005, 22:15

@thomas
On DMSWB2.04, the option "nozero" ist by default turned off, so i think it will going track-by-track and pack also empty tracks.

I've dms'ed 5000+ disks back on my Amiga days, all worked fine. Took some weeks to do this work....

31 October 2005, 14:33	#1
superquake Registered User Join Date: Sep 2005 Location: UK Posts: 76	NDOS disks to dms/adf? Hi all I've been going through a lot of my old Amiga disks these past few weekends, and there are some (well, a load) that come up as DF0:NDOS when I put them in workbench. They play fine, but workbench won't recognise them. I do most of my image making with DMS, then converting the DMS files to ADFs in a batch process, but I have saved a load of these NDOS disks as I didn't know if they would work with DMS. Is there a particulat method or software I should use to make images of the ndos disks, or should I just DMS them as normal? Thanks!

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31 October 2005, 17:22	#2
Doc Mindie In deep Trouble Join Date: Sep 2004 Location: Manchester, Made in Norway Age: 51 Posts: 841	Since DMS reads track-by-track, it's perfectly reasonable to DMS you NDOS disks. DMS doesn't care whether the disk is "readable" by workbench or not......and so it reads and writes it without problems. As long as you don't have any corrupted tracks, of course

31 October 2005, 17:41	#4
superquake Registered User Join Date: Sep 2005 Location: UK Posts: 76	Thanks, I've d/l TSGUI from Aminet - I'll try it out this weekend.

31 October 2005, 17:45	#5
Doc Mindie In deep Trouble Join Date: Sep 2004 Location: Manchester, Made in Norway Age: 51 Posts: 841	Thoams, I'm sorry if I was mistaken....but I was absolutely sure I had both packed and unpacked NDOS demos and other disks, just using Dms read.... Ah, well, I must remember wrongly then.....too much Windows around here for my own good

31 October 2005, 23:41	#6
thomas Registered User Join Date: Jan 2002 Location: Germany Posts: 7,002	I've gone through this when I got my first CD writer. I archived all my floppy disks with DMS just to recognise that some disks weren't archived correctly. Unpacking them just created empty DOS disks instead of the original disks. IIRC for these disks I used a tool called Zoom. It is similar to DMS but does not check the bitmap. I didn't know that anything like ADF exists back then. Also I didn't examine all of DMS' options. There is one to disable the bitmap checking.

01 November 2005, 02:54	#7
Galaxy Registered User Join Date: May 2004 Location: Canberra, Australia Age: 46 Posts: 1,417	Why not rawread or one of the warpers. Also it helps to turn on verification in whatever program you are using.

02 November 2005, 22:15	#8
Adderly [Satan^God] Join Date: Oct 2005 Location: Germany Posts: 701	@thomas On DMSWB2.04, the option "nozero" ist by default turned off, so i think it will going track-by-track and pack also empty tracks. I've dms'ed 5000+ disks back on my Amiga days, all worked fine. Took some weeks to do this work....

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