diff --git a/test/Makefile b/test/Makefile
index 3e7da83..6bc4530 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -3,16 +3,17 @@ LDFLAGS=-latf-c
 RK6502LIB=../src/librk65c02.a
 VASM=vasm6502_std
 VASMFLAGS=-Fbin -c02
+UTILS=utils.o
 
 TESTS=test_bus test_emulation
 TESTROMS:=$(addsuffix .rom,$(basename $(wildcard *.s)))
 
 all : $(TESTS) $(TESTROMS)
 
-test_bus : test_bus.o $(RK6502LIB)
+test_bus : test_bus.o $(UTILS) $(RK6502LIB)
 	$(CC) -o $@ $(LDFLAGS) $< $(RK6502LIB)
 
-test_emulation : test_emulation.o $(RK6502LIB)
+test_emulation : test_emulation.o $(UTILS) $(RK6502LIB)
 	$(CC) -o $@ $(LDFLAGS) $< $(RK6502LIB)
 
 %.rom : %.s
diff --git a/test/test_emulation.c b/test/test_emulation.c
index 3d59293..82b55a5 100644
--- a/test/test_emulation.c
+++ b/test/test_emulation.c
@@ -6,21 +6,7 @@
 
 #include "bus.h"
 #include "rk65c02.h"
-
-#define ROM_LOAD_ADDR 0xC000
-
-bool rom_start(rk65c02emu_t *, const char *);
-
-bool
-rom_start(rk65c02emu_t *e, const char *name)
-{
-	e->regs.PC = ROM_LOAD_ADDR;
-	if(!bus_load_file(e->bus, ROM_LOAD_ADDR, name))
-		return false;
-	rk65c02_start(e);
-
-	return true;
-}
+#include "utils.h"
 
 ATF_TC_WITHOUT_HEAD(emul_bit);
 ATF_TC_BODY(emul_bit, tc)
diff --git a/test/utils.c b/test/utils.c
new file mode 100644
index 0000000..c40d9b0
--- /dev/null
+++ b/test/utils.c
@@ -0,0 +1,16 @@
+#include "bus.h"
+#include "rk65c02.h"
+
+#include "utils.h"
+
+bool
+rom_start(rk65c02emu_t *e, const char *name)
+{
+        e->regs.PC = ROM_LOAD_ADDR;
+        if(!bus_load_file(e->bus, ROM_LOAD_ADDR, name))
+                return false;
+        rk65c02_start(e);
+
+        return true;
+}
+
diff --git a/test/utils.h b/test/utils.h
new file mode 100644
index 0000000..4094978
--- /dev/null
+++ b/test/utils.h
@@ -0,0 +1,7 @@
+#ifndef _UTILS_H_
+#define _UTILS_H_
+
+#define ROM_LOAD_ADDR 0xC000
+
+bool rom_start(rk65c02emu_t *, const char *);
+#endif /* _UTILS_H_ */