[CDG5] MemRetry's objective

[Elliot Nunn]

Mainly misaligned accesses. An emulator might not complain about these, but I would expect MAME to be pretty accurate!

Does MacOS for PowerPC boot in MAME?

> On 2 Apr 2019, at 7:25 am, Max Poliakovski <maximumspatium at googlemail.com> wrote:
> 
> Fellow hackers,
> 
> I wonder what purpose Nanokernel's sophisticated retry code was designed for?
> 
> Until now, I only stepped through this code using MAME's integrated debugger. While running in an emulator, I mostly get DSI exceptions causing the retry code to fail and to drop into the secondary exception handler that is capable of handling of "hardcore" VM exceptions like hash table misses, access violation etc.
> 
> So, from the emulator's POV, the retry code seems to be quite useless.
> 
> Is there any real hardware circumstances causing the retry code to succeed and thus be useful?
> 
> Cheers
> Max
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