diff --git a/debug.h b/debug.h
index 5067cc2..863ea8f 100644
--- a/debug.h
+++ b/debug.h
@@ -4,16 +4,21 @@
 #include	<stdint.h>
 
 #ifdef	DEBUG
-	#define		DEBUG_PID				1
-	#define		DEBUG_DDA				2
-	#define		DEBUG_POSITION	4
-	#define		DEBUG_ECHO			128
+  #define DEBUG_ECHO       1
+  #define DEBUG_INFO       2
+  #define DEBUG_ERRORS     4
+  #define DEBUG_DRYRUN     8
+  #define DEBUG_PID       16
+  #define DEBUG_DDA       32
+  #define DEBUG_POSITION  64
 #else
 	// by setting these to zero, the compiler should optimise the relevant code out
 	#define		DEBUG_PID				0
 	#define		DEBUG_DDA				0
 	#define		DEBUG_POSITION	0
 	#define		DEBUG_ECHO			0
+  #define DEBUG_INFO       0
+  #define DEBUG_DRYRUN     0
 #endif