On Thu, Dec 20, 2018 at 11:01:32AM +0000, John ff wrote:
> I noticed that and changed the code to zero affect

That's.... really strange!  No further ideas right now.

	-- Pete --

:> 
> 
> On Dec 20, 2018, 06:42, at 06:42, Pete Goodeve <pete.goodeve@computer.org> wrote:
> >I'd guess this is the problem:
> >
> >In fm4op.c: hammondB3(...):
> >
> >	....
> >      if (*p->modDepth > FL(0.0)) {
> >        p->v_rate = *p->vibFreq * p->vibWave->flen * csound->onedsr;
> >        temp = FL(1.0) + (*p->modDepth * FL(0.1) *
> >                          Wave_tick(&p->v_time, (int)p->vibWave->flen,
> >                              p->vibWave->ftable, p->v_rate, FL(0.0)));
> >        temp *= p->baseFreq * csound->onedsr;
> >        p->w_rate[0] = p->ratios[0] * temp * p->waves[0]->flen;
> >        p->w_rate[1] = p->ratios[1] * temp * p->waves[1]->flen;
> >        p->w_rate[2] = p->ratios[2] * temp * p->waves[2]->flen;
> >        p->w_rate[3] = p->ratios[3] * temp * p->waves[3]->flen;
> >      }
> >      lastOutput = FM4Alg8_tick(p, c1, c2);
> >	....
> >
> >All those variables never get set if modDepth is never
> >greater-than-zero,
> >but FM4Alg8_tick(...) uses them!

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