Found a uth05win inaccuracy! Once the Y coordinate gets close enough to
the target point, it actually speeds up twice as much as the X
coordinate would. This might make uth05win a couple of frames slower in
all boss fights from Stage 3 on.
And yeah, got too used to decompilation to go back to splitting off
RE'd functions in ASM land 😛
Part of P0109, funded by [Anonymous] and Blue Bolt.