[Coco] Toolshed help

[gene heskett]

On Wednesday, June 08, 2011 10:12:40 PM Stephen H. Fischer did opine:

> Hi,
> 
> I was asking my self the other day if we have a utility to present this
> sector 0 information in a useful manner without resorting to ded.
> 
> SHF
> 
Yes, sort of elderly, dtype, written in b09.  See one of my earlier posts 
for a sample of its output.
> 
> ----- Original Message -----
> From: "Robert Gault" <robert.gault at att.net>
> To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> Sent: Wednesday, June 08, 2011 6:13 PM
> Subject: Re: [Coco] Toolshed help
> 
> > Mike Rowen wrote:
> >> Here is the output of dmode /d0:
> >> 
> >> nam=D0 mgr=RBF ddr=rb1773
> >> hpn=07 hpa=FF40 drv=00 stp=03 type=20 dns=01 cyl=0028 sid=02
> >> vfy=01 sct=0012 t0s=0012 ilv=03 sas=08 wpm= ofs= rwc=
> > 
> > Mike,
> > That tells you what the default settings for /d0 are but does not tell
> > you how the disk in question was formatted. If you format a new disk
> > while running OS-9 without any parameters, you will get a double
> > sided 40-track disk with these dmode values. It may or may not match
> > the disk in question.
> > 
> > You need to read the disk you want to backup to determine its format.
> > The easiest way to do that is   free /d0  . You can deduce the
> > structure from the number of sectors reported. For more exact info,
> > you can do ded /d0@
> > and read the data from sector 0 which will give the precise format.
> > Bytes      Meaning in Hex
> > 0-2        number of sectors
> > 3          sectors per track
> > $10        Format bit#0 0=single sided 1=double sided
> > 
> >                   bit#1 0=single density 1=double density
> >                   bit#2 0=48 tracks/inch 1=96 t/i
> 
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Cheers, gene
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