Re: [hatari-devel] no more sound in falcon ?

[Nicolas Pomarède <npomarede@xxxxxxxxxxxx>]

Le 30/12/2015 13:44, Nicolas Pomarède a écrit :
> Le 29/12/2015 23:43, Laurent Sallafranque a écrit :
> > It seems also that I don't have sound if I switch from cycle exact to
> > prefetch mode.
> > I have to start a clean hatari directlt in prefetch mode to have the
> > sound (luckily this is my default setup ;)
> >
> > Regards
> > Laurent
> >
> >
> > Le 29/12/2015 23:40, Laurent Sallafranque a écrit :
> > > I've given a quick try to Doug's demo with Hatari in cycle exact mode
> > > and I get no sound, whereas I get sound in Prefetch mode.
> > >
> > > Do you have the same behaviour ?
>
> Hi
>
> I get no sound in prefetch mode too. Did you test with the latest dev
> version or with the version you had from november ?

I found the cause for the sound problem, it's related to the change I 
made to pass a more accurate cycle count to DSP_Run. Unfortunately it 
can't work at the moment until 68030 cycles are more accurate in Hatari 
(by taking into account bus access time, as it's already the case for 
68000 STF mode).

Basically it made the DSP runs for many more cycles than what the CPU 
ran, causing some sync problem between DSP/CPU.

I will revert the change to still get some sound in the meantime.

Nicolas