[Coco] LSN0 C code

[gene heskett]

On Friday, June 10, 2011 10:54:55 PM Stephen H. Fischer did opine:

> Hi,
> 
> Works! Thanks.
> 
> I compiled it and tried "lsn0 /d1". An 249 Error due to mismatched DNS
> is given by "FREE /D1" or "cd /D1" while lsn0 just does it.
> 
> Note: I am one of the very few CoCoers that had 80 Track Double Sided 5
> - 1/4" floppy drives.
> 
I still have a couple, even one of those 3.5 & 5.25 combo's.  I must have 
worn out the heads on at least 4 of the Tandon 100-4 drives.  Full height 
but good drives 20 years ago.

> Thus I had to get DNS right on all my disks with DNS=3 and DNS=3 in the
> drive descriptors.
> 
> I could put ANY OS-9 disk in the drive and with the double stepping of
> the floppy device driver all could be read with out changing the drive
> descriptor.

That was the general idea.  ;-)  Just never write to a 40 track disk 
sitting in an 80 track drive, instant trash.
 
> I wrote a shell script to allow formatting of the various lesser formats
> while not changing the drive descriptor. (Bulk Eraser Needed!)
> 
> Transferring the disks to *.dsk files has been problematic as some
> utilities convert the DNS=3 to DNS=1 and some do not causing problems.
> 
> I added the source for lsn0.c and it's binary to SHF841.zip Plus the
> binary for dnc (Disk name Change)
> 
> http://home.mindspring.com/~sfischer1/
> 
> SHF
> 
> 
> ----- Original Message -----
> From: "Bob Devries" <devries.bob at gmail.com>
> To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> Sent: Thursday, June 09, 2011 2:30 PM
> Subject: [Coco] LSN0 C code
> 
> > Since the code is quite short, I'll include it inline here:
> --
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Cheers, gene
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