Re: [hatari-devel] 68030 and movem

[Andreas Grabher <andreas_g86@xxxxxxxxxx>]

> Am 15.09.2023 um 09:33 schrieb Nicolas Pomarède <npomarede@xxxxxxxxxxxx>:
> 
> Le 14/09/2023 à 23:42, Cyprian Konador a écrit :
>> Hi Team,
>> Agranlund has faced an issue with movem instruction and 68030 emulation under Hatari: https://atari-forum.com/viewtopic.php?t=43071 <https://atari-forum.com/viewtopic.php?t=43071>
>> I've tested on the real TT and under the following build: http://antarctica.no/~hatari/latest/windows/ <http://antarctica.no/~hatari/latest/windows/> and Hatari shows me a different result than  the TT.
>> Attached you can find screenshots, test program and its source code.
>> Regards
>> Cyprian
> 
> Hi
> 
> thanks for the test program ; I already sent a mail about this to toni, hopefully he can fix this with the help of your program's result.
> 
> Nicolas
> 

I made a quick patch. Please check if this solves the problem. WARNING: It is untested and might require refinements regarding bus error handling. I think Toni has the best overview. 

The patch also includes a minor patch for softfloat that makes the code a bite more safe (no more shifting by more than the type's size).

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