diff --git a/firmware/WDC/makefile b/firmware/WDC/makefile
new file mode 100644
index 0000000..74d4411
--- /dev/null
+++ b/firmware/WDC/makefile
@@ -0,0 +1,16 @@
+VERSION=4.2
+
+AS=u80as
+LD=ld
+STRIP=strip -h
+OBJECTS=wdc.firm.o
+
+all: $(OBJECTS)
+	$(LD) -o wdc.firm $(OBJECTS)
+	$(STRIP) wdc.firm
+	dd if=wdc.firm of=WDC_1_$(VERSION) bs=1 count=4096 >&/dev/null
+	dd if=wdc.firm of=WDC_2_$(VERSION) bs=1 skip=4096 >&/dev/null
+
+clean:
+	rm -f WDC_1_$(VERSION) WDC_2_$(VERSION) wdc.firm $(OBJECTS)
+