--- fbzx/Z80.h	2003-12-19 21:37:22.000000000 +0100
+++ fbzx.new/Z80.h	2004-08-24 18:26:50.696481080 +0200
@@ -12,7 +12,10 @@
 /*************************************************************/
 #ifndef Z80_H
 #define Z80_H
+#include <endian.h>
+#if __BYTE_ORDER == __LITTLE_ENDIAN
 #define LSB_FIRST
+#endif
                                /* Compilation options:       */
 /* #define DEBUG */            /* Compile debugging version  */
 /* #define LSB_FIRST */        /* Compile for low-endian CPU */