Hi Victor,

I spent some time to try to figure this out and didn't quite figure it
out.  I think it's one of two possibilities: one that the old parser
is just confused or two the deferred opcode plugin loading isn't
working correctly.  Now, I've stared at the deferred opcode loading
for a while now and couldn't figure out exactly how it works (in
namedins.c and csmodule.c), but some thoughts were there being a name
hash clash or just some kind of strange error in the opcode lookup.  I
was running in gdb and watching how that code worked and still didn't
figure out how the names worked and it seemed to jump around, so I'm
suspecting that, though may be wrong.

steven


On 11/21/06, Victor Lazzarini <victor.lazzarini@nuim.ie> wrote:
> I am getting a strange bug with fsig and I can't
> trace it. Here's what's happening:
>
> 1. If I use the opcode pvsosc, I get a 'no legal
> opcode', even though it's in the list.
>
> 2. If I use an expression as one of its arguments
> I get a 'illegal character'
>
> 3. if however I create an fsig, whatever name it might
> be, even with 0 framesize, the errors above disappear.
>
> So, somehow, by invoking pvsinit before pvsosc, I get
> the parser to recognise the opcode. That's very strange
> isn't it? I looked at the pvsbasic.c
>
> Here's the CSD that is giving the error. Uncomment
> f10 pvsinit 0 to get it to work
>
> <CsoundSynthesizer>
> <CsOptions>
> -d -odac -B1024 -iadditivesynthesis.aiff
> </CsOptions>
> <CsInstruments>
> sr=44100
> ksmps=100
> nchnls=1
>
> gklevel init 0
> gks chnexport "meter",3
>
>
> instr 1
> ;f1 pvsinit 0
> ain in
> k1 linenr 1, 0.1,0.1, 0.1
> kf linsegr 500, 0.1, 4000, 1.5, 1000, 0.1, 100
> fam pvsanal ain, 1024,256,1024,1
> fex pvsosca k1*p4, p5, 1, 1024,256,1024,1
> fvo pvsvoc  fam,fex,1,1
> a1 pvsynth fvo
> ks rms a1
> gklevel = gklevel + ks
>    out a1
> endin
>
> instr 100
> gks = gklevel
> gklevel = 0
> endin
>
> </CsInstruments>
> <CsScore>
>
> f1 0 16384 10 1
> i100 0 360
> e
> </CsScore>
> </CsoundSynthesizer>
>
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