Re: [hatari-devel] Hatari hangs with NVDI when MMU is enabled

[Eero Tamminen <oak@xxxxxxxxxxxxxx>]

Hi,

On 10/5/18 8:49 PM, Nicolas Pomarède wrote:
> data cache emulation is very cpu intensive, so it's not enabled when 
> neither "more compatible/prefetch" nor "cycle exact" are enabled.
>
> this way you can get "fast" 68030 with MMU emulation if you don"t care 
> about emulating cache (which should not affect programs, unless they 
> really try to access/manipulate the data cache, which is rare)

Or program depends on more cycle-accurate CPU instruction emulation
e.g. when interacting with DSP.


> The bottom line is that whatever setting / accuracy level you choose, 
> data cache behaviour should not make the program crash.


	- Eero