diff --git a/rom/Makefile b/rom/Makefile
new file mode 100644
index 0000000..e462b80
--- /dev/null
+++ b/rom/Makefile
@@ -0,0 +1,5 @@
+all: adtpro-patch-341-0065-B.bin
+
+adtpro-patch-341-0065-B.bin: adtpro-patch-341-0065-B.xdelta
+	xdelta3 -d -s 341-0065-B.bin adtpro-patch-341-0065-B.xdelta \
+		adtpro-patch-341-0065-B.bin
diff --git a/rom/adtpro-patch-341-0065-B.xdelta b/rom/adtpro-patch-341-0065-B.xdelta
new file mode 100644
index 0000000..5a62e71
Binary files /dev/null and b/rom/adtpro-patch-341-0065-B.xdelta differ