diff --git a/sys/sys_debug.h b/sys/sys_debug.h
new file mode 100644
index 0000000..4b82764
--- /dev/null
+++ b/sys/sys_debug.h
@@ -0,0 +1,24 @@
+// MorgenGrauen MUDlib
+//
+// sys_debug.h -- Definitionen fuer Debugzwecke
+//
+// $Id: sys_debug.h 6081 2006-10-23 14:12:34Z Zesstra $
+
+#ifndef __SYS_DEBUG_H__
+#define __SYS_DEBUG_H__
+
+#define DEBUG(x) printf("DEBUG: OBJ(/%O) %O\n", this_object(), (x))
+
+#define DBG_ON(c) (traceprefix(object_name(this_object())[1..]), trace(c?c:239))
+#define DBG_OFF() (traceprefix(""), trace(0))
+
+#define LFUN    1   // debug lfunc calls
+#define CALL    2   // debug call_other calls
+#define RET     4   // debug return values
+#define ARGS    8   // show arguments when calling a function
+#define STACK   16  // show all stack machine code (DON'T USE!)
+#define HB      32  // show calls to heart_beat()
+#define APPLY   64  // debug calls to apply
+#define NAME    128 // show name of file when debugging (don't use)
+
+#endif