Hi! So, even though I downloaded Terii Senshi's Rippler fix patch, assassin pointed out a bug concerning the Zombie status that wasn't fixed by the patch like I thought. Terii Senshi's patch prevents Rippler from exchanging statuses such as Morph and Dog Block, but I assumed it also prevented the Zombie status from being exchanged. It turns out that Zombie being exchanged is intended; the problem is that Rippler does nothing to handle the former Zombie, now alive, but still having 0 HP.
The included patches remedy this by adding a call to a new healing function that only heals an entity if the entity is either the caster or the target of Rippler AND the entity has 0 HP AND the other entity involved in Rippler does not have 0 HP. There are two different healing algorithms used, with a separate patch for each; the first algorithm transfers all HP from the former non-Zombie to the former Zombie, and the second restores 1/8 of the former Zombie's HP. The included reverse patch is applicable to either fix patch.
Personally, I'm not sure if either algorithm is the "correct" algorithm to apply for correcting the 0 HP problem in this case. On the one hand, algorithm A seems more realistic because, viewing the Zombie status as a state of "lifelessness", it makes sense that the same exchange of "lifelessness" would also exchange "life" by extension. On the other hand, algorithm B is more rational because it's the same algorithm as the Revivify item, the only other method of curing Zombie status.
Both patches also apply the same improved Rippler algorithm seen in Terii Senshi's patch (with appropriate modifications to accommodate the healing algorithm). In other words, I only recommend downloading Terii Senshi's patch if you're one of the rare few who care about Rippler mishandling Morph and Dog Block but not Zombie. All patches use free space bytes C2/65BE-C2/65CE, but patch B also uses bytes C2/65CF-C2/65D5.
UPDATE: I've now attached a third fix algorithm, which sets the former Zombie's HP to 1. It can be reversed using the same reverse patch.
UPDATE 2 (August 2, 2015): I've just found and fixed a potential logical issue with fix B, whereby if someone with the wrong number of max HP gets healed, it might possibly screw up the Rippler function. I don't know if it's really a problem, but this fixed version now ensures that it isn't. It also cuts down on the free space used.
UPDATE 3: I've now included a patch for a Japanese ROM.
UPDATE 4: Found a bug! The status exchange algorithm only worked halfway in the previous versions! This is now fixed. Also, I've done some shrinking of the B and C patches. Now in order to apply your desired fix algorithm, you'll have to apply the A patch and then the appropriate patch. Finally, added patches for GBA!
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