Re: [hatari-devel] Data cache Issues?

[Eero Tamminen <oak@xxxxxxxxxxxxxx>]

Hi,

On torstai 04 kesäkuu 2015, Nicolas Pomarède wrote:
> Le 03/06/2015 22:01, Eero Tamminen a écrit :
> > I think it would be great to have an option to disable data cache
> > so that one can check whether it affects the issue...
> 
> For quick check, change cpu/newcpu.c to always return false :
> 
> STATIC_INLINE bool cancache030 (uaecptr addr)
> {
>    return false;
> //        return ce_cachable[addr >> 16] != 0;
> }

With this change, B-o-R game and Yepyha & Firestarter demos work.

Whether issues are bug(s) in emulation or just related to timings
changing slightly with data caches, I don't know.  At least
none of these programs needs DSP, so it shouldn't be related to
CPU<->DSP timings.


	- Eero