diff --git a/src/libcoreint/interpreter.c b/src/libcoreint/interpreter.c
index 2be1beb3f..2c2a090f7 100644
--- a/src/libcoreint/interpreter.c
+++ b/src/libcoreint/interpreter.c
@@ -39,9 +39,9 @@ gen_bytecode (FILE *src_file)
   pp_finish ();
 
   FILE *file = fopen (FILE_NAME, "w+b");
-  
+
   OPCODE op0;
-  
+
   save_op_loop_inf (file, op0, 1);
   save_op_call_1 (file, op0, 0, LED_GREEN);
   save_op_call_1 (file, op0, 0, LED_BLUE);
@@ -61,6 +61,8 @@ run_int ()
 {
   FILE *file = fopen (FILE_NAME, "rb");
   OPCODE op_curr;
+  __int_data.pos = 0;
+
 
   if (file == NULL)
   {
@@ -74,8 +76,11 @@ run_int ()
     {
       break;
     }
-    
+
+    __int_data.pos++;
+
     op_curr.opfunc_ptr (op_curr);
+    fseek (file, __int_data.pos * sizeof (OPCODE), SEEK_SET);
   }
 
   fclose (file);
diff --git a/src/libcoreint/interpreter.h b/src/libcoreint/interpreter.h
index ca0410143..0f5a48168 100644
--- a/src/libcoreint/interpreter.h
+++ b/src/libcoreint/interpreter.h
@@ -24,8 +24,14 @@
 
 #define FILE_NAME "application.bin"
 
-void gen_bytecode(FILE*);
-void run_int();
+struct
+{
+  int pos;
+} __int_data;
+
+
+void gen_bytecode (FILE*);
+void run_int ();
 
 #endif	/* INTERPRETER_H */
 
diff --git a/src/libcoreint/opcodes.c b/src/libcoreint/opcodes.c
index dba9c4397..e8d125819 100644
--- a/src/libcoreint/opcodes.c
+++ b/src/libcoreint/opcodes.c
@@ -14,6 +14,7 @@
  */
 
 #include "opcodes.h"
+#include "interpreter.h"
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -23,6 +24,8 @@ opfunc_loop_inf (OPCODE opdata)
 {
   printf ("loop_inf:idx:%d\n",
           opdata.data.loop_inf.opcode_idx);
+
+  __int_data.pos = opdata.data.loop_inf.opcode_idx;
 }
 
 void
@@ -38,11 +41,10 @@ opfunc_op_jmp (OPCODE opdata)
 {
   printf ("op_jmp:idx:%d\n",
           opdata.data.jmp.opcode_idx);
+
+  __int_data.pos = opdata.data.jmp.opcode_idx;
 }
 
-
-
-
 void
 save_op_jmp (FILE *file, OPCODE opdata, int arg1)
 {
@@ -65,7 +67,7 @@ save_op_call_1 (FILE *file, OPCODE opdata, int arg1, int arg2)
     return;
   }
 
-  opdata.opfunc_ptr = opfunc_op_call_1;  
+  opdata.opfunc_ptr = opfunc_op_call_1;
   opdata.data.call_1.name_literal_idx = arg1;
   opdata.data.call_1.arg1_literal_idx = arg2;
 
@@ -79,7 +81,7 @@ save_op_loop_inf (FILE *file, OPCODE opdata, int arg1)
   {
     return;
   }
-    
+
   opdata.opfunc_ptr = opfunc_loop_inf;
   opdata.data.loop_inf.opcode_idx = arg1;