diff --git a/sd-emutos/Makefile b/sd-emutos/Makefile
index 9798148..f762ded 100644
--- a/sd-emutos/Makefile
+++ b/sd-emutos/Makefile
@@ -29,4 +29,12 @@ test: xhdi_test.c
 	$(CC) $(CFLAGS)	-Wl,-traditional-format xhdi_test.c -o xhditest.prg
 		
 .PHONY clean:
-	- rm -rf *.o xhditest.prg
\ No newline at end of file
+	- rm -rf *.o depend xhditest.prg
+
+depend: $(SOURCES)
+		$(CC) $(CFLAGS) $(INCLUDE) -M $(SOURCES) | sed -e 's/^\(.*\).o:/$(OBJDIR)\/\1.o:/' > depend
+
+	
+ifneq (clean,$(MAKECMDGOALS))
+-include depend
+endif
diff --git a/sd-emutos/cookie.h b/sd-emutos/cookie.h
new file mode 100644
index 0000000..ccd0d60
--- /dev/null
+++ b/sd-emutos/cookie.h
@@ -0,0 +1,16 @@
+/*
+ * cookie.h
+ *
+ *  Created on: 05.05.2013
+ *      Author: mfro
+ */
+
+#ifndef _COOKIE_H_
+#define _COOKIE_H_
+
+#include <stdint.h>
+
+extern int getcookie(uint32_t cookie, uint32_t *p_value);
+extern void setcookie(uint32_t cookie, uint32_t value);
+
+#endif /* _COOKIE_H_ */
diff --git a/sd-emutos/emusd.c b/sd-emutos/emusd.c
index f40c0bf..524eb06 100644
--- a/sd-emutos/emusd.c
+++ b/sd-emutos/emusd.c
@@ -13,7 +13,7 @@
 #include <stdio.h>
 #include <osbind.h>
 
-//#include "cookie.h"
+#include "cookie.h"
 
 #define XHDIMAGIC 0x27011992L
 
@@ -55,7 +55,7 @@ cookie_fun bas_sd_vector(cookie_fun old_vector)
 			: "g"(old_vector)
 			: "d1","d2","d3","a0","a1","a2"
 	);
-	return retvalue;
+	return (cookie_fun) retvalue;
 }
 
 int main(int argc, char *argv[])