shithub: pokecrystal

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gfx: safer alternating-byte detection in compression

--- a/extras/gfx.py

+++ b/extras/gfx.py

@@ -467,7 +467,7 @@

 		num_alts = 0

 		# make sure we don't check for alts at the end of the file

-		if self.address+2 >= self.end: return False

+		if self.address+3 >= self.end: return False

 		self.alts.append(self.byte)

 		self.alts.append(ord(self.image[self.address+1]))