Identify more bit flags (#1153)

data/maps/setup_script_pointers.asm

@@ -1,6 +1,14 @@
 MACRO add_mapsetup
 \1_MapSetupCmd:
-	dba \1
+	; A second argument of TRUE indicates taking a parameter.
+	if _NARG < 2
+		dba \1
+	elif \2
+		db (1 << MAPSETUPSCRIPT_HAS_PARAM_F) | BANK(\1)
+		dw \1
+	else
+		dba \1
+	endc
 ENDM
 
 MapSetupCommands:

data/maps/setup_scripts.asm

@@ -18,6 +18,10 @@ MapSetupScripts:
 ; valid commands are listed in MapSetupCommands (see data/maps/setup_script_pointers.asm)
 MACRO mapsetup
 	db (\1_MapSetupCmd - MapSetupCommands) / 3
+	; `mapsetup` takes a parameter if `add_mapsetup` indicates taking one.
+	if _NARG == 2
+		db \2 ; param
+	endc
 ENDM
 
 MapSetupScript_Teleport: