diff --git a/.gitignore b/.gitignore
index 25a7384..41f235e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 *.o
 *.exe
+_FileInformation.txt
+prodos.po
diff --git a/client/Makefile b/client/Makefile
new file mode 100644
index 0000000..c758f33
--- /dev/null
+++ b/client/Makefile
@@ -0,0 +1,16 @@
+AC ?= ac.jar
+AS ?= Merlin32
+
+.PHONY: disk
+
+%: %.s
+	$(AS) . $<
+
+z8530/xHD: z8530/xHD.s
+
+xHDClient.po:
+	cp prodos.po xHDClient.po
+
+disk: z8530/xHD | xHDClient.po
+	java -jar $(AC) -d xHDClient.po xHD
+	java -jar $(AC) -p xHDClient.po xHD sys < z8530/xHD