[Coco] Frustrated

Barry Nelson barry.nelson at amobiledevice.com
Tue Mar 29 01:23:11 EDT 2016

Here is the information for type "typ" and density "dns".

specifies the device type (all types). 
Bit 0 
0 = 5-inch floppy diskette 
Bit 5 
0 = Non-Color Computer format 
1 = Color Computer format 
Bit 6 
0 = Standard NitrOS-9 format 
1 = Non-standard format 
Bit 7 
0 = Floppy diskette 
1 = Hard disk 
specifies the density capabilities (floppy diskette only). 
Bit 0 
0 = Single-bit density (FM) 
1 = Double-bit density (MFM) 
Bit 1 
0 = Single-track density (5-inch, 48 tracks per inch) 
1 = Double-track density (5-inch, 96 tracks per inch)
> Richard E. Crislip rcrislip at neo.rr.com 
> Mon Mar 28 23:46:45 EDT 2016
> Hi all,
> As the subject says, I'm a little more than a little frustrated. For
> sometime now, I have been trying to locate meaningful documentation on
> the Nitros9 "DMODE" command. It's the one command that has been
> ignored in every piece of Nitros9 documentation I have looked up. I want
> to see more than what the "-?" gives. For example what are all the
> options for the "TYP" paramenter, or the DSN parameters and what do
> they mean. What is a TYP=20 for example? BTW, I know it is diskette.
> But that is just an example of what I am looking for. I have a bunch of
> disks I'm trying to read and can't because they get error 249, wrong
> type 8-/. Or worse "permission denied". I know if I try to read the
> directory of a RSDOS disk I'll get the 249 error, so that is not the
> problem. So if anyone can point me to a more meaningful explanation,
> online, that I can read and study, I would be sooo appreciative it. TIA
> Hope to see you that the Fest.
> RECrislip

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