[Coco] Bad Driver Combination?

[gene heskett]

On Saturday, March 10, 2012 07:06:38 PM Lothan did opine:

> If I remember correctly from looking at the code a while back, NitrOS-9
> uses 1900 as an offset for the year so 0-99 are 1900 through 1999 and
> 100-199 are 2000-2099. Assuming this is correct, the year in the clock
> should be set to 112. I'm sure Boisy or Gene will have the definitive
> answer if I stepped in another mud puddle.
> 
Its been about 13 years now since I kicked the tires on that code and I 
don't recall anything other than my own clock chip rolling over to zero 
from 63, aka 99 decimal.  ISTR I put in a fudge of an extra 100 if it was 
at or above 1970, the beginning of the unix epoch.  So that means it should 
be ok into the 2030+ range.  If we still have a working coco by then, I'll 
be long gone by then and then its up to whoever I guess.

But don't hold my hand on a bible on that, its just what I can recall now.

> -----Original Message-----
> From: K. Pruitt
> Sent: Saturday, March 10, 2012 1:47 PM
> To: Coco at maltedmedia.com
> Subject: [Coco] Bad Driver Combination?
> 
> When I make a NitrOS9 boot disk using the no-halt driver for the Disto
> Super Controller II (rb1773_scii_ff74.dr) and the smartwatch driver
> (clock2_smart) together, the Coco 3 will crash instantly when the
> system tries to access the clock chip.
> 
> Anyone else had this experience and is there a solution (other than not
> using the smart watch driver, which is the solution I am currently
> using)?
> 
> Also, when I use the getclk utility to get the date/time from the chip,
> date -t reports the date as 1912.  This is confusing to me because as
> far as I know the watch chip doesn't hold the century but rather only
> holds the year, and getclk doesn't seem to be passing a "19" to F$Time
> - at least not as far as I can tell from a disassembly of getclk. 
> Where is this 19 coming from?  Does NitrOS9 default to 19 in the
> absence of a century digit?  Does the NitrOS9 F$Time system call use
> the same 6 digit scheme as the OS-9 version or does it actually have
> space for a century digit?  I'm using Y2K updated modules in OS-9 so
> there it is not an issue, but under NitrOS9 that 19 always shows up.
> 
> Thanks for any info you might pass on.
> 
> 
> 
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Cheers, Gene
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