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this mmap env is way more complicated than it has any right to be.

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Alcaro 2016-05-18 15:18:24 +02:00
parent 42971febba
commit 26190043eb
1 changed files with 12 additions and 0 deletions
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libretro-common/include/libretro.h
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@ -1057,6 +1057,18 @@ struct retro_memory_descriptor
* the most recent addition and continue on the next bit.
* TODO: Can the above be optimized? Is "remove the lowest bit set in both
* pointer and 'len'" equivalent? */
/* TODO: Some emulators (MAME?) emulate big endian systems by only accessing
* the emulated memory in 32-bit chunks, native endian. But that's nothing
* compared to Darek Mihocka <http://www.emulators.com/docs/nx07_vm101.htm>
* (section Emulation 103 - Nearly Free Byte Reversal) - he flips the ENTIRE
* RAM backwards! I'll want to represent both of those, via some flags.
*
* I suspect MAME either didn't think of that idea, or don't want the #ifdef.
* Not sure which, nor do I really care. */
/* TODO: Some of those flags are unused and/or don't really make sense. Clean
* them up. */
};
/* The frontend may use the largest value of 'start'+'select' in a