> Hi Guys,
>
> I've been pulling my hair out for far too long trying to get Atari 5200 working
> properly in MESS (old versions) and MAME. I've watched lots of YouTube videos, and it
> appears that MAME/MESS is capable of emulating the 5200 well enough. The problem I
> keep running into, however, can best be compared to screen tearing, though it's baked
> into the graphics themselves...
>
> I've attached a screen shot. The best way I can describe it, it's like an object gets
> split in two, horizontally. Then the top piece advances and then the bottom piece
> follows it.
>
> I've tried so many different MESS/MAME versions, but is always there. What am I
> missing??
>
> (I've circled the problems in the attached image)
>
> Thanks!
Atari 400/800/5200 emulation has become fragile and broken over time due to cpu core rewrites and the driver not being kept maintained. I'm very close to adding the imperfect graphics tag to the driver, but that will likely result only in more complaints about how people need to hit a key to start the emulation (warning screen). What the family of machines needs is a good developer willing to rewrite the driver to account for the progresses made with the core.
Frogger issue was logged already here, for what it is worth:
http://mametesters.org/view.php?id=5710
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