Creation of constants for OBJECT_09 indices

constants/sprite_constants.asm

@@ -266,3 +266,31 @@ SPRITEMOVEDATA_FIELDS EQU 6
 	const SPRITEMOVEFN_1B
 
 MAX_OUTDOOR_SPRITES EQU 23
+
+	const_def
+	const OBJECT_09_VALUE_00
+	const OBJECT_09_VALUE_01
+	const OBJECT_09_VALUE_02
+	const OBJECT_09_VALUE_03
+	const OBJECT_09_VALUE_04
+	const OBJECT_09_VALUE_05
+	const OBJECT_09_VALUE_06
+	const OBJECT_09_VALUE_07
+	const OBJECT_09_VALUE_08
+	const OBJECT_09_VALUE_09
+	const OBJECT_09_VALUE_0A
+	const OBJECT_09_VALUE_0B
+	const OBJECT_09_VALUE_0C
+	const OBJECT_09_VALUE_0D
+	const OBJECT_09_VALUE_0E
+	const OBJECT_09_VALUE_0F
+	const OBJECT_09_VALUE_10
+	const OBJECT_09_VALUE_11
+	const OBJECT_09_VALUE_12
+	const OBJECT_09_VALUE_13
+	const OBJECT_09_VALUE_14
+	const OBJECT_09_VALUE_15
+	const OBJECT_09_VALUE_16
+	const OBJECT_09_VALUE_17
+	const OBJECT_09_VALUE_18
+	const OBJECT_09_VALUE_19