diff --git a/main.py b/main.py
index d2f6b4c..622556f 100644
--- a/main.py
+++ b/main.py
@@ -4,6 +4,7 @@ import enum
 # Press Double Shift to search everywhere for classes, files, tool windows, actions, and settings.
 
 import os
+import re
 import struct
 from argparse import ArgumentParser
 from io import BytesIO
@@ -15,6 +16,10 @@ from pygccxml.declarations import unsigned_int_t
 
 
 class AImage(object):
+	def __init__(self, folder: str, output_dir: str = "out"):
+		self.out_path = os.path.join(folder, output_dir)
+		os.makedirs(self.out_path, exist_ok=True)
+
 	def parse(self):
 		pass
 
@@ -53,6 +58,31 @@ class AImage(object):
 		print(actual)
 		return actual == target
 
+	@staticmethod
+	def combine(filename_hi: str, filename_lo: str):
+		data_hi = b''
+		data_lo = b''
+		with open(filename_hi, "rb") as fp:
+			data_hi = fp.read()
+		with open(filename_lo, "rb") as fp:
+			data_lo = fp.read()
+
+		data = b''
+		for hi, lo in zip(data_hi, data_lo):
+			z = int.from_bytes([hi, lo], byteorder='big')
+			b = struct.pack('>H', z)
+			data += b
+
+		return data, data_hi, data_lo
+
+	def _save(self, filename: str, data):
+		with open(os.path.join(self.out_path, filename), 'wb') as fp:
+			fp.write(data)
+
+	def _json_save(self, filename: str, data):
+		with open(os.path.join(self.out_path, filename), 'w') as fp:
+			json.dump(data, fp, indent=4)
+
 	def get_waves(self):
 		pass
 
@@ -99,8 +129,23 @@ class WaldorfMicroWave2V00(AImage):
 		}
 	]
 
-	def __init__(self, filename_hi: str, filename_lo: str, out_dir="."):
-		self.out_dir = out_dir
+	def __init__(self, folder: str, out_dir="."):
+		AImage.__init__(self, folder, out_dir)
+		filename_hi = None
+		filename_lo = None
+		for filename in os.listdir(folder):
+			filepath = os.path.join(folder, filename)
+			if re.match('.*_H.bin', filename):
+				filename_hi = filepath
+			if re.match('.*_L.bin', filename):
+				filename_lo = filepath
+
+		if filename_hi is None:
+			return
+
+		if filename_lo is None:
+			return
+
 		data, data_hi, data_lo = self.combine(filename_hi, filename_lo)
 
 		self._is_valid = self._check(data, self.target)
@@ -114,14 +159,6 @@ class WaldorfMicroWave2V00(AImage):
 			self._json_save("wave_table.json", wave_table)
 
 
-	def _save(self, filename: str, data):
-		with open(os.path.join(self.out_dir, filename), 'wb') as fp:
-			fp.write(data)
-
-	def _json_save(self, filename: str, data):
-		with open(os.path.join(self.out_dir, filename), 'w') as fp:
-			json.dump(data, fp, indent=4)
-
 	@staticmethod
 	def wave_extract(descr, data_hi, data_lo):
 		data = b''
@@ -162,24 +199,6 @@ class WaldorfMicroWave2V00(AImage):
 	def is_valid(self):
 		return self._is_valid
 
-	@staticmethod
-	def combine(filename_hi: str, filename_lo: str):
-		data_hi = b''
-		data_lo = b''
-		with open(filename_hi, "rb") as fp:
-			data_hi = fp.read()
-		with open(filename_lo, "rb") as fp:
-			data_lo = fp.read()
-
-		data = b''
-		for hi, lo in zip(data_hi, data_lo):
-			z = int.from_bytes([hi, lo], byteorder='big')
-			b = struct.pack('>H', z)
-			data += b
-
-		return data, data_hi, data_lo
-
-
 
 class PpgEvu1v00(AImage):
 	pass
@@ -187,10 +206,31 @@ class PpgEvu1v00(AImage):
 class PpgEvu2v00(AImage):
 	pass
 
+class WaldorfMicrowaveXT(AImage):
+	def __init__(self, folder: str, out_dir="."):
+		AImage.__init__(self, folder, out_dir)
+		filename_hi = None
+		filename_lo = None
+		for filename in os.listdir(folder):
+			filepath = os.path.join(folder, filename)
+			if re.match('upper_.*.bin', filename):
+				filename_hi = filepath
+			if re.match('lower_.*.bin', filename):
+				filename_lo = filepath
+
+		if filename_hi is None:
+			return
+
+		if filename_lo is None:
+			return
+
+		data, data_hi, data_lo = self.combine(filename_lo, filename_hi)
+		self._save("combined_be.bin", data)
+
 
 def detect(args):
-	os.makedirs(args.output_dir, exist_ok=True)
-	image = WaldorfMicroWave2V00(args.filepath, args.extra, args.output_dir)
+	image = WaldorfMicroWave2V00(args.folder, args.output_dir)
+	image = WaldorfMicrowaveXT(args.folder, args.output_dir)
 	pass
 
 def main(args):
@@ -199,8 +239,7 @@ def main(args):
 
 if __name__ == '__main__':
 	parser = ArgumentParser()
-	parser.add_argument("filepath", help="Location of firmware binary image")
-	parser.add_argument("--extra", help="Location of firmware binary image")
+	parser.add_argument("folder", help="Folder with firmware binary image")
 	parser.add_argument("--output_dir", help="Location of output data", default='out')
 
 	args = parser.parse_args()