Trade through sub_804FFE4

include/util.h

@@ -16,5 +16,6 @@ u16 CalcCRC16(const u8 *data, u32 length);
 u16 CalcCRC16WithTable(const u8 *data, u32 length);
 u32 CalcByteArraySum(const u8* data, u32 length);
 void BlendPalette(u16 palOffset, u16 numEntries, u8 coeff, u16 blendColor);
+void DoBgAffineSet(struct BgAffineDstData * dest, u32 texX, u32 texY, s16 srcX, s16 srcY, s16 sx, s16 sy, u16 alpha);
 
 #endif // GUARD_UTIL_H