Sprite Message Box Patch (?): Unexpected writes to $7F8889 area

Issue #275 closed
vvye created an issue

Something is unexpectedly overwriting some RAM addresses, around $7F8889 if not more. (Needless to say, this causes issues because that RAM is used for other purposes.)

The writes seem to be done via DMA whenever a message box opens.

This probably has to do with the sprite message box patch.

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