Re: [hatari-devel] Falcon tests

[Laurent Sallafranque <laurent.sallafranque@xxxxxxx>]

Demo Extream/whirpool.prg suffers synchro.

I don't know if it is related to the timer problem encountered before, I 
notice it here to retest it later if there's a patch.

Regards

Laurent




Le 01/06/2022 à 23:33, Laurent Sallafranque a écrit :
> Many demos suffers sound speed, glitches or unsynchro between sound 
> and effects.
>
> It seems that the effects run too fast, or the Falcon DMA sound too 
> slow, I don't know.
>
>
> Until now, I haven't seen other problems.
>
> I continue to test.
>
> Regards
>
> Laurent
>
>
> Le 01/06/2022 à 22:18, Nicolas Pomarède a écrit :
> > Le 01/06/2022 à 21:08, Laurent Sallafranque a écrit :
> > > Hi,
> > >
> > >
> > > I've encountered something bad after the first demo I tested : 
> > > 4musiK by ... me ;)
> > >
> > > The sound is really bad.
> > >
> > >
> > > I've bissected hatari and it seems to be related to :
> > >
> > >
> > > 650979aa06c0ba9e4ef6f7978ada0dce1c687594 is the first bad commit
> > > commit 650979aa06c0ba9e4ef6f7978ada0dce1c687594
> > > Author: Nicolas Pomarede <npomarede@xxxxxxxxxxxx>
> > > Date:   Wed Mar 9 15:02:44 2022 +0100
> > >
> > >      Use Cycles_GetClockCounterImmediate() instead of 
> > > CyclesGlobalClockCounter to handle MFP updates
> > >      This will take into account the current cycles already 
> > > processed when MFP is updated
> > >      during the processing of an instruction in Cycle Exact mode
> > >
> > >   src/cycInt.c          | 29 +++++++++++++++--------------
> > >   src/cycles.c          | 17 +++++++++++++++++
> > >   src/includes/cycles.h |  1 +
> > >   src/m68000.c          |  3 ++-
> > >   src/mfp.c             |  9 +++++++++
> > >   5 files changed, 44 insertions(+), 15 deletions(-)
> > >
> > >
> > > Any idea ?
> >
> > Hi
> >
> > thanks for bissecting, I will have a look, maybe some clocks ratios 
> > are not correct after those changes I made.
> >
> > Nicolas