Re: [Simh] retrieving previous SIMH commits?

2016-04-12 Thread Tom Morris
On Tue, Apr 12, 2016 at 8:56 PM, Paul Koning  wrote:
>
> > On Apr 12, 2016, at 8:41 PM, Jack Rubin  wrote:
> >
> > The behavior of SerialDisk, a virtual disk server for the PDP8, changed
> somewhere with recent versions of SIMH. tommorris

...

> > I'd like to try to narrow down the point where the failure began before
> filing a report. Can I pull earlier commits to try to find the first
> appearance of the problem?

...


> I think there are fancy semi-automatic binary search procedures to
> automate this, but if the number of cases isn't too large then just doing
> it by hand, and "make" each time, should do the trick.
>

git bisect 
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Re: [Simh] retrieving previous SIMH commits?

2016-04-12 Thread Paul Koning

> On Apr 12, 2016, at 8:41 PM, Jack Rubin  wrote:
> 
> The behavior of SerialDisk, a virtual disk server for the PDP8, changed 
> somewhere with recent versions of SIMH. There was a 'define' problem that 
> Mark cleared up almost immediately this afternoon but the broken behavior 
> persists. The program works with earlier versions of SIMH and fails with the 
> current version. I see the same failure in Raspian on an RPi Model B and 
> Ubuntu on a multicore desktop.
> 
> I'd like to try to narrow down the point where the failure began before 
> filing a report. Can I pull earlier commits to try to find the first 
> appearance of the problem?

If you get the current code via git, you can just examine the log to find the 
IDs of the various checkins, and you can then get any specific version with 
"git checkout " where  is that hex string seen in the log.

I think there are fancy semi-automatic binary search procedures to automate 
this, but if the number of cases isn't too large then just doing it by hand, 
and "make" each time, should do the trick.

paul


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[Simh] retrieving previous SIMH commits?

2016-04-12 Thread Jack Rubin
The behavior of SerialDisk, a virtual disk server for the PDP8, changed 
somewhere with recent versions of SIMH. There was a 'define' problem that Mark 
cleared up almost immediately this afternoon but the broken behavior persists. 
The program works with earlier versions of SIMH and fails with the current 
version. I see the same failure in Raspian on an RPi Model B and Ubuntu on a 
multicore desktop.

I'd like to try to narrow down the point where the failure began before filing 
a report. Can I pull earlier commits to try to find the first appearance of the 
problem?

Thanks,
Jack


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