Re: [hatari-devel] Falcon tests

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Le 05/06/2022 à 15:22, Anders Eriksson a écrit :
------- Original Message -------
On Saturday, June 4th, 2022 at 11:19 PM, Nicolas Pomarède <npomarede@xxxxxxxxxxxx> wrote:

Le 01/06/2022 à 23:33, Laurent Sallafranque a écrit :

Many demos suffers sound speed, glitches or unsynchro between sound and

It seems that the effects run too fast, or the Falcon DMA sound too
slow, I don't know.


the demos are often using dsp to play the music (mp2 decoder for
example), which makes it harder to isolate the problem.

does someone know a demo (or a program) for falcon that just plays DMA
sample using ff8903/05/07 (similar to the STE's DMA sound).

I would need to check DMA play mode->DAC first before checking DSP->DAC

Or if someone already has a simple asm code to init crossbar + play a
small sample with dma , that would be handy too and would save me time
instead of doing it myself :)


I found some code from a few years back;

I'm a noob about setting up the Falcon sound system but it does play 16 bit stereo 49170 Hz OK on my Falcon in 030 and 060 modes.
In Hatari it will get distorted sound that comes and goes.


thanks, that's just what I needed, it will be easier to fix/improve falcon sound with a "simple" program that just play sound and wait for a key.


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