--- uae/src/include/execlib.h	2018/04/24 16:39:21	1.1.1.1
+++ uae/src/include/execlib.h	2018/04/24 17:22:36	1.1.1.3
@@ -6,17 +6,6 @@
   * Copyright 1996 Bernd Schmidt
   */
 
-#define CMD_INVALID 0
-#define CMD_RESET   1
-#define CMD_READ    2
-#define CMD_WRITE   3
-#define CMD_UPDATE  4
-#define CMD_CLEAR   5
-#define CMD_STOP    6
-#define CMD_START   7
-#define CMD_FLUSH   8
-#define CMD_NONSTD  9
-
 #define NT_TASK     1
 #define NT_DEVICE   3
 #define NT_MSGPORT  4
@@ -27,6 +16,7 @@
 #define NT_LIBRARY  9
 #define NT_SIGNALSEM 15
 
+#ifndef MEMF_PUBLIC /* protection for AmigaDOS */
 #define MEMF_PUBLIC 1
 #define MEMF_CHIP 2
 #define MEMF_FAST 4
@@ -36,3 +26,4 @@
 #define MEMF_LARGEST (1<<17)
 #define MEMF_REVERSE (1<<18)
 #define MEMF_TOTAL (1<<19)
+#endif