RGBDS syntax updates (#905)

New MACRO and DEF syntax

data/maps/attributes.asm

@@ -1,10 +1,10 @@
-map_attributes: MACRO
+MACRO map_attributes
 ;\1: map name
 ;\2: map id
 ;\3: border block
 ;\4: connections: combo of NORTH, SOUTH, WEST, and/or EAST, or 0 for none
-CURRENT_MAP_WIDTH = \2_WIDTH
-CURRENT_MAP_HEIGHT = \2_HEIGHT
+	DEF CURRENT_MAP_WIDTH = \2_WIDTH
+	DEF CURRENT_MAP_HEIGHT = \2_HEIGHT
 \1_MapAttributes::
 	db \3
 	db CURRENT_MAP_HEIGHT, CURRENT_MAP_WIDTH
@@ -17,73 +17,73 @@ CURRENT_MAP_HEIGHT = \2_HEIGHT
 ENDM
 
 ; Connections go in order: north, south, west, east
-connection: MACRO
+MACRO connection
 ;\1: direction
 ;\2: map name
 ;\3: map id
 ;\4: offset of the target map relative to the current map
 ;    (x offset for east/west, y offset for north/south)
 
-; LEGACY: Support for old connection macro
-if _NARG == 6
-	connection \1, \2, \3, (\4) - (\5)
-else
+	; LEGACY: Support for old connection macro
+	if _NARG == 6
+		connection \1, \2, \3, (\4) - (\5)
+	else
 
-; Calculate tile offsets for source (current) and target maps
-_src = 0
-_tgt = (\4) + 3
-if _tgt < 0
-_src = -_tgt
-_tgt = 0
-endc
+		; Calculate tile offsets for source (current) and target maps
+		DEF _src = 0
+		DEF _tgt = (\4) + 3
+		if _tgt < 0
+			DEF _src = -_tgt
+			DEF _tgt = 0
+		endc
 
-if !STRCMP("\1", "north")
-_blk = \3_WIDTH * (\3_HEIGHT - 3) + _src
-_map = _tgt
-_win = (\3_WIDTH + 6) * \3_HEIGHT + 1
-_y = \3_HEIGHT * 2 - 1
-_x = (\4) * -2
-_len = CURRENT_MAP_WIDTH + 3 - (\4)
-if _len > \3_WIDTH
-_len = \3_WIDTH
-endc
+		if !STRCMP("\1", "north")
+			DEF _blk = \3_WIDTH * (\3_HEIGHT - 3) + _src
+			DEF _map = _tgt
+			DEF _win = (\3_WIDTH + 6) * \3_HEIGHT + 1
+			DEF _y = \3_HEIGHT * 2 - 1
+			DEF _x = (\4) * -2
+			DEF _len = CURRENT_MAP_WIDTH + 3 - (\4)
+			if _len > \3_WIDTH
+				DEF _len = \3_WIDTH
+			endc
 
-elif !STRCMP("\1", "south")
-_blk = _src
-_map = (CURRENT_MAP_WIDTH + 6) * (CURRENT_MAP_HEIGHT + 3) + _tgt
-_win = \3_WIDTH + 7
-_y = 0
-_x = (\4) * -2
-_len = CURRENT_MAP_WIDTH + 3 - (\4)
-if _len > \3_WIDTH
-_len = \3_WIDTH
-endc
+		elif !STRCMP("\1", "south")
+			DEF _blk = _src
+			DEF _map = (CURRENT_MAP_WIDTH + 6) * (CURRENT_MAP_HEIGHT + 3) + _tgt
+			DEF _win = \3_WIDTH + 7
+			DEF _y = 0
+			DEF _x = (\4) * -2
+			DEF _len = CURRENT_MAP_WIDTH + 3 - (\4)
+			if _len > \3_WIDTH
+				DEF _len = \3_WIDTH
+			endc
 
-elif !STRCMP("\1", "west")
-_blk = (\3_WIDTH * _src) + \3_WIDTH - 3
-_map = (CURRENT_MAP_WIDTH + 6) * _tgt
-_win = (\3_WIDTH + 6) * 2 - 6
-_y = (\4) * -2
-_x = \3_WIDTH * 2 - 1
-_len = CURRENT_MAP_HEIGHT + 3 - (\4)
-if _len > \3_HEIGHT
-_len = \3_HEIGHT
-endc
+		elif !STRCMP("\1", "west")
+			DEF _blk = (\3_WIDTH * _src) + \3_WIDTH - 3
+			DEF _map = (CURRENT_MAP_WIDTH + 6) * _tgt
+			DEF _win = (\3_WIDTH + 6) * 2 - 6
+			DEF _y = (\4) * -2
+			DEF _x = \3_WIDTH * 2 - 1
+			DEF _len = CURRENT_MAP_HEIGHT + 3 - (\4)
+			if _len > \3_HEIGHT
+				DEF _len = \3_HEIGHT
+			endc
 
-elif !STRCMP("\1", "east")
-_blk = (\3_WIDTH * _src)
-_map = (CURRENT_MAP_WIDTH + 6) * _tgt + CURRENT_MAP_WIDTH + 3
-_win = \3_WIDTH + 7
-_y = (\4) * -2
-_x = 0
-_len = CURRENT_MAP_HEIGHT + 3 - (\4)
-if _len > \3_HEIGHT
-_len = \3_HEIGHT
-endc
+		elif !STRCMP("\1", "east")
+			DEF _blk = (\3_WIDTH * _src)
+			DEF _map = (CURRENT_MAP_WIDTH + 6) * _tgt + CURRENT_MAP_WIDTH + 3
+			DEF _win = \3_WIDTH + 7
+			DEF _y = (\4) * -2
+			DEF _x = 0
+			DEF _len = CURRENT_MAP_HEIGHT + 3 - (\4)
+			if _len > \3_HEIGHT
+				DEF _len = \3_HEIGHT
+			endc
 
-else
-fail "Invalid direction for 'connection'."
-endc
+		else
+			fail "Invalid direction for 'connection'."
+		endc
 
 	map_id \3
 	dw \2_Blocks + _blk
@@ -92,7 +92,8 @@ endc
 	db \3_WIDTH
 	db _y, _x
 	dw wOverworldMapBlocks + _win
-endc
+
+	endc
 ENDM