Re: [hatari-devel] H20 game sound?

[Eero Tamminen <oak@xxxxxxxxxxxxxx>]

Hi,

Btw. There may be additional programs that have the same regression. 
This is just the first one
where I paid attention to it.

(I didn't check all programs I tested under EmuTOS
with headphones, nor check whether they should
have had music, or whether it was missing also
with TOS4.)


	- Eero

On 11/3/20 12:18 AM, Laurent Sallafranque wrote:
> When the first EKO screen appears, there's a music.
>
> The crossbar traces show :
>
> Crossbar : $ff8901 (additional Sound DMA control) write: 0x00
> Crossbar : DSP --> Crossbar transfer    0x000000
> Crossbar : $ff8901 (additional Sound DMA control) write: 0x00
> Crossbar : $ff8903 (Sound frame start high) write: 0x14
> Crossbar : $ff8905 (Sound frame start med) write: 0x44
> Crossbar : $ff8907 (Sound frame start low) write: 0xbc
> Crossbar : $ff890d (Sound frame count low) write: 0x00
> Crossbar : $ff890f (Sound frame end high) write: 0x14
> Crossbar : $ff8911 (Sound frame end med) write: 0x54
> Crossbar : $ff8913 (Sound frame end low) write: 0x5c
> Crossbar : $ff8934 (ext. clock divider) write: 0x00
> Crossbar : $ff8934 (ext. clock divider) write: 0x01
> Crossbar : $ff8935 (int. clock divider) write: 0x00
> Crossbar : Recalculate_clock_Cycles
>             clock25 : 160
>             clock32 : 160
> Crossbar : $ff8935 (int. clock divider) write: 0x01
> Crossbar : Recalculate_clock_Cycles
>             clock25 : 162
>             clock32 : 128
> Crossbar : DSP --> Crossbar transfer    0x000000
> Crossbar : $ff8900 (Sound DMA control) write: 0x05
> Crossbar : $ff8901 (additional Sound DMA control) write: 0x03
> Crossbar : MFP15 (IT7) interrupt from DMA play
> Crossbar : MFP Timer A interrupt from DMA play
> Crossbar : DSP --> Crossbar transfer    0x000000
> Crossbar : DMA Play --> DMA record
> Crossbar : DMA Play --> DSP record
> Crossbar : DSP --> Crossbar transfer    0x000000
> Crossbar : DSP --> Crossbar transfer    0x000000
> Crossbar : DSP --> Crossbar transfer    0x000000
>
> [...]
>
> The crossbar transfer always send 0
>
>
> May it be related to the MFP15 IT7 interrupt that wouldn't trigger, 
> execute, rearm ?
>
> Laurent
>
>
>
> Le 02/11/2020 à 22:50, Laurent Sallafranque a écrit :
> > Hi,
> >
> >
> > I've recompiled hatari V1.4 and H2O has sound.
> >
> > The music has glitches when the game runs at 2 VBL, but is OK when the 
> > game runs at 1 VBL.
> >
> > So, there's a regression between Hatari V 1.4 and current version.
> >
> > I continue to investigate on older releases to try to get which one 
> > lost the music.
> >
> > Laurent
> >
> >
> >
> > Le 02/11/2020 à 07:59, laurent.sallafranque@xxxxxxx a écrit :
> > > I'll have a look tonight.
> > > Regards
> > >
> > > Le 2 nov. 2020 00:57, Eero Tamminen <oak@xxxxxxxxxxxxxx> a écrit :
> > >
> > >     Hi,
> > >
> > >     I've now mostly finished testing Falcon programs,
> > >     except for the problematic ones I found.
> > >
> > >
> > >     I noticed that H20 game doesn't have any sound,
> > >     regardless of whether I select sound FX or music
> > >     option when starting the game.
> > >
> > >     According to compatibility list, H20 game would
> > >     have had sound with Hatari v1.4.  It doesn't have
> > >     with v2.2 or Git version of Hatari.
> > >
> > >     Can you reproduce the no sound issue, and if yes,
> > >     could somebody test it on real real Falcon?
> > >
> > >     (Any idea when it might have broken?)
> > >
> > >
> > >     - Eero