Re: [hatari-devel] MMU emulation (was: MiNT on Hatari)

[Jerome Ibanes <jibanes@xxxxxxxxx>]

Hello,

Is it a fair assumption that, with this new core and implementation of the
MMU functions we might be able to run netbsd/atari on an emulated TT as
well?

Thanks,
J.

On Mon, Dec 19, 2011 at 12:52 AM,  <laurent.sallafranque@xxxxxxx> wrote:
> Hi,
>
> Yes, the 68030 MMU works with the new core (that's one of the best improvement of the new core).
> It was already present with the 1.5 version.
> I changed the comment for raimbow2 multimedia before the 1.5 release to indicate that it works with the new CPU whereas it doesn't work with the old CPU because of the MMU.
> I've tested some other programs that runs now with 68030 MMU.
>
> We must be careful if we communicate on this :
>
> the MMU option in the GUI is only here for the 68040 CPU. This MMU doesn't work (there's still the TRY/CATCH to convert to C).
>
> The 68030 MMU is activated by default with the 68030 CPU choice.
> It seems to work well.
>
> I haven't tried X-tasie again. I'll do it this week.
> If I'm right, another big signifiant news with the new core is the cache management for the 68020/030/040/060 CPUs.
>
>
> I like this new core, it has a lot of potential.
> I'd like to have the whole Hatari project migrated under it.
>
> Best regards,
>
> Laurent
>
>
>
> ----- Mail Original -----
> De: "Eero Tamminen" <oak@xxxxxxxxxxxxxx>
> À: hatari-devel@xxxxxxxxxxxxxxxxxxx
> Envoyé: Dimanche 18 Décembre 2011 23h33:36 GMT +01:00 Amsterdam / Berlin / Berne / Rome / Stockholm / Vienne
> Objet: Re: [hatari-devel] MMU emulation (was: MiNT on Hatari)
>
> Hi,
>
> On tiistai 13 joulukuu 2011, Laurent Sallafranque wrote:
>> It would be interresting to test again on Falcon with the new CPU as
>> now, MMU is activated (test with prefetch activated, cycles exact
>> disabled and later enebled (just to see if this works in all case)).
>>
>> You must disable the MMU in the GUI (it's only for the 68040 cpu, the
>> 68030 MMU is enabled by default with the 68030 cpu).
>
> Is enabled for 030?  Does it work too, e.g. for Rainbow II & X-tasie
> which are marked as non-working due to lack of MMU in compatibility list?
>
>
>> 68040 MMU doesn't work at all for now.
>
> MMU working for 030 with the winUAE core would be significant news,
> (to be added to the the release notes & manual). :-)
>
>
>        - Eero
>
>>
>> Regards
>>
>> Laurent
>>
>> Le 12/12/2011 22:41, Eero Tamminen a écrit :
>> > Hi,
>> >
>> > On lauantai 10 joulukuu 2011, Matthias Arndt wrote:
>> >> I just wanted to post that Hatari seems to run atleast the 68000
>> >> version of MiNT. I have not tried with a recent build yet but an
>> >> older 1.17 alpha release of FreeMiNT and its XaAES (I got it from a
>> >> packet from Marcer's GameDVD), do run with Hatari.
>> >>
>> >> I had to use (ofcourse) a harddisk image, other stteing were STE 4MB
>> >> and TOS 1.62de
>> >
>> > I guess compatibility list could mention that also MiNT 68000 version
>> > works under Hatari ST emulation.
>> >
>> >> Without NVDI it is a bit slooow but with NVDI4 running it could
>> >> actually be usable.
>> >>
>> >> Maybe we can make MiNT work aswell in 020 or higher mode?
>> >
>> > Hatari compatibility list TT/Falcon utilities section has listed MiNT
>> > as
>> >
>> > working under Hatari already since v1.2:
>> >    "Needs to be installed/booted from an ACSI or IDE HD image and
>> >    memory
>> >
>> >     protection needs to be disabled (Hatari UAE core doesn't emulate
>> >     MMU)"
>> >
>> > Is there some problem with newer MiNT versions?
>> >
>> >     - Eero
>
>
>
>
>