[Coco] Re: Thought

[Bob Devries]

The disto SCII is no-halt, but you have to use the right drivers for OS9.
Under DECB, they work as normal, in halt mode.

--
Regards, Bob Devries. Dalby, Queensland, Australia.
Faith isn't faith until it's all you're holding on to.
http://e4god.com/freeblogs/bdevries/


----- Original Message ----- 
From: "Charlie" <chazbeenhad at hotmail.com>
To: <coco at maltedmedia.com>
Sent: Saturday, September 25, 2004 4:54 AM
Subject: [Coco] Re: Thought



> Is the Disto Super Controller 2 a no-halt controller?

>

> I have one in my coco and Nitros9 gets choppy like you said, doing disk

> reading/writing.

>

> Charlie

>

> "John R. Hogerhuis" <jhoger at pobox.com> wrote

> in message news:1096048110.25432.66.camel at aragorn...

> > On Fri, 2004-09-24 at 10:23, Neil Morrison wrote:

> > > ----- Original Message ----- 

> > > From: "Mark McDougall"

> <msmcdoug at optushome.com.au>

> > >

> > > > I'm not sure how the CoCo drive works - I'm guessing from your

> comments it

> > > > doesn't interrupt the 6809 when data is ready?!?

> > >

> > > IIRC the drive HALTs the processor until the buffer is transferred.

> That's

> > > why the OS-9 clock gets off time when you do disk I/O.

> > >

> > > NM

> > >

> >

> > Yep. Hence the disto no-halt controller. But no-halt is more important

> > for smooth multi-tasking. I remember being SO disappointed when I

> > finally got a rig where I could hook up another coco to a shell prompt

> > on the serial port, and tried some disk commands. Choppy, Ugh...

> >

> > OS-9 is really happiest with a RTC... sucks having to enter time in at

> > each boot. Once we get ethernet we could get time via NTP.

> >

> > Actually ability to read the host's time would be a nice feature for

> > Drivewire as well if it isn't already in there... (my Drivewire is

> > in-the-mail).

> >

> > -- John.

> >

> >

> > -- 

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> > Coco at maltedmedia.com

> > http://five.pairlist.net/mailman/listinfo/coco

> >

>

>

>

>

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