Becomes effective means it starts branching then. Before that it carries on to the next line.
Victor

----- Original Message -----
From: joachim heintz <jh@joachimheintz.de>
Date: Monday, August 30, 2010 10:26 pm
Subject: Re: [Cs-dev] [ csound-Bugs-2973896 ] timout bug?
To: Developer discussions <csound-devel@lists.sourceforge.net>

> but what is the sense of the istrt parameter if not to wait at 
> the  
> timout point?
> the manual says for
> timout istrt, idur, label:
> "The branch to label will become effective at time istrt"
> 
> 	joachim
> 
> 
> Am 30.08.2010 um 18:57 schrieb SourceForge.net:
> 
> > Bugs item #2973896, was opened at 2010-03-20 20:11
> > Message generated for change (Settings changed) made by veplaini
> > You can respond by visiting:
> > 
> https://sourceforge.net/tracker/?func=detail&atid=564599&aid=2973896&group_id=81968>
> > Please note that this message will contain a full copy of 
> the  
> > comment thread,
> > including the initial issue submission, for this request,
> > not just the latest update.
> > Category: csound
> > Group: None
> >> Status: Closed
> >> Resolution: Invalid
> > Priority: 5
> > Private: No
> > Submitted By: Joachim Heintz (joachimheintz)
> > Assigned to: Nobody/Anonymous (nobody)
> > Summary: timout bug?
> >
> > Initial Comment:
> > setting the istrt parameter to any value > 0 leads to an 
> infinite  
> > loop. i expected csound waiting istrt seconds before going in 
> the  
> > timout block.
> > example attached: istrt=0 is ok, istrt=.1 seems to go in an 
> infinite  
> > loop.
> > OSX 10.5.8, Csound 5.12.3
> >
> > ---------------------------------------------------------------
> -------
> >
> >> Comment By: Victor Lazzarini (veplaini)
> > Date: 2010-08-30 17:57
> >
> > Message:
> > I think this is not a bug. Csound will not wait at the timout 
> point,  
> > but
> > carry on performing because istrt > 0, when it finds reinit it 
> will  
> > go from
> > loop to endin in an init-pass printing out the variable 
> value  
> > everytime. I
> > am marking it not a bug until someone provides a more 
> convincing CSD
> > showing the bug.
> >
> > ---------------------------------------------------------------
> -------
> >
> > Comment By: Joachim Heintz (joachimheintz)
> > Date: 2010-07-19 09:06
> >
> > Message:
> > as i said, osx 10.5.8, csound 5.12, now universal binary (5.12.4).
> > the first call of instr 1 is ok: timout 0, 1, do.
> > the second call is timout 0.1, 1, do. i expected a delay of 
> 0.1  
> > seconds
> > before the "do" block is called. but i get 22050 calls of the 
> "do"  
> > block.
> > (now i see that it's not an inifinite loop; i thought it 
> because it  
> > brought
> > qutecsound to hang.)
> > the output is attached.
> >
> > ---------------------------------------------------------------
> -------
> >
> > Comment By: John ffitch (jpff)
> > Date: 2010-07-18 17:25
> >
> > Message:
> > Can you provide more details?  Your exaple runs for 
> me.  So, what
> > platform/version etc?
> >
> > ---------------------------------------------------------------
> -------
> >
> > You can respond by visiting:
> > 
> https://sourceforge.net/tracker/?func=detail&atid=564599&aid=2973896&group_id=81968>
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Dr Victor Lazzarini, Senior Lecturer, Dept. of Music,
National University of Ireland, Maynooth