--- freem/src/frmgbl.c	2025/04/28 19:38:55	1.14
+++ freem/src/frmgbl.c	2025/04/30 17:19:16	1.16
@@ -1,5 +1,5 @@
 /*
- *   $Id: frmgbl.c,v 1.14 2025/04/28 19:38:55 snw Exp $
+ *   $Id: frmgbl.c,v 1.16 2025/04/30 17:19:16 snw Exp $
  *    freem global C variables
  *
  *  
@@ -24,6 +24,12 @@
  *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
  *
  *   $Log: frmgbl.c,v $
+ *   Revision 1.16  2025/04/30 17:19:16  snw
+ *   Improve backtraces in debugger
+ *
+ *   Revision 1.15  2025/04/30 14:41:03  snw
+ *   Further debugger work
+ *
  *   Revision 1.14  2025/04/28 19:38:55  snw
  *   Add trace mode
  *
@@ -660,6 +666,8 @@ short ipc_pending = 0;   /* 1 if an inco
 int strict_mode = 0;
 
 int trace_mode = 0;
+short debug_mode = FALSE;
+int lasterr[NESTLEVLS + 1];
 
 short first_process = FALSE;
 #if defined(__FreeBSD__)