diff --git a/src/main.c b/src/main.c
index 92c7d4bd3..275d771f4 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,9 +1,17 @@
+#include "arm.h"
 #include "gba.h"
 
+#include <sys/stat.h>
+#include <fcntl.h>
+
 int main(int argc, char** argv) {
 	struct GBA gba;
 	GBAInit(&gba);
+	int fd = open("test.rom", O_RDONLY);
+	GBALoadROM(&gba, fd);
+	gba.cpu.gprs[ARM_PC] = 0x08000004;
+	ARMStep(&gba.cpu);
 	GBADeinit(&gba);
 
 	return 0;
-}
\ No newline at end of file
+}