[hatari-devel] DSP stack problems (overflow / underflow)

Laurent Sallafranque laurent.sallafranque at free.fr
Mon Aug 10 23:08:03 CEST 2009


> * Reservoir Gods: Are you sitting comfortably?
>   - Seems to get further before fails, no DSP overflow
>   
Good. I'll have a closer look at this one as soon as possible.

> * Toons: Yepyha
> * Digital Chaos: Built-in Obsolescence
>    - Still say "Dsp: Stack Overflow"
>   
There's also the Moktar demo by Mjj Prod which says "stack underflow"

>> Now, I think that the dsp Overflow/underflow we encounter with some
>> programs are due to the instructions we emulate and not to the stack
>> management.
>>
>> I'll try to correct this as soon as possible.
>>     
>
> Still for the release?
>   
Not that sure. It takes a long time to trace the bugs still present in 
the DSP code.
Anyway, I'll do what I can, but there'll certainly be some DSP fixes 
after the 1.3 release.

I think we've increased by so much the DSP level (and Falcon emulation 
in general) since the last release that we can launch this 1.3 like this.

Regards

Laurent




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