Verify uneven list sizes with list_start, li, and assert_list_length macros

This was discussed in #815

data/decorations/names.asm

@@ -1,28 +1,30 @@
 DecorationNames:
 ; entries correspond to constants/deco_constants.asm
-	db "CANCEL@"
-	db "PUT IT AWAY@"
-	db "MAGNAPLANT@"
-	db "TROPICPLANT@"
-	db "JUMBOPLANT@"
-	db "TOWN MAP@"
-	db "NES@"
-	db "SUPER NES@"
-	db "NINTENDO 64@"
-	db "VIRTUAL BOY@"
-	db "GOLD TROPHY@"
-	db "SILVER TROPHY@"
-	db "SURF PIKACHU DOLL@"
-	db " BED@"
-	db " CARPET@"
-	db " POSTER@"
-	db " DOLL@"
-	db "BIG @"
-	db "FEATHERY@"
-	db "PIKACHU@"
-	db "PINK@"
-	db "POLKADOT@"
-	db "RED@"
-	db "BLUE@"
-	db "YELLOW@"
-	db "GREEN@"
+	list_start DecorationNames
+	li "CANCEL"
+	li "PUT IT AWAY"
+	li "MAGNAPLANT"
+	li "TROPICPLANT"
+	li "JUMBOPLANT"
+	li "TOWN MAP"
+	li "NES"
+	li "SUPER NES"
+	li "NINTENDO 64"
+	li "VIRTUAL BOY"
+	li "GOLD TROPHY"
+	li "SILVER TROPHY"
+	li "SURF PIKACHU DOLL"
+	li " BED"
+	li " CARPET"
+	li " POSTER"
+	li " DOLL"
+	li "BIG "
+	li "FEATHERY"
+	li "PIKACHU"
+	li "PINK"
+	li "POLKADOT"
+	li "RED"
+	li "BLUE"
+	li "YELLOW"
+	li "GREEN"
+	assert_list_length NUM_DECO_NAMES