diff --git a/src/emulate.c b/src/emulate.c
index e2ad1c8..3bbb3d7 100755
--- a/src/emulate.c
+++ b/src/emulate.c
@@ -1,5 +1,23 @@
 #include <stdlib.h>
+#include <stdio.h>
 
 int main(int argc, char **argv) {
-  return EXIT_SUCCESS;
+
+  // Check the arguments
+  if (argc == 1) {
+    fprintf(stderr, "Error: An object file is required. Syntax: ./emulate <file_in> [<file_out>]");
+    return EXIT_FAILURE;
+  }
+
+  FILE *out = stdout;
+  if (argc > 2) {
+    out = fopen(argv[2], "w");
+    if (out == NULL) {
+      fprintf(stderr, "Error: Could not open file %s\n", argv[2]);
+      return EXIT_FAILURE;
+    }
+  }
+
+  
+  
 }