/***********************************************************
* Artsoft Retro-Game Library *
*----------------------------------------------------------*
-* (c) 1994-2002 Artsoft Entertainment *
+* (c) 1994-2006 Artsoft Entertainment *
* Holger Schemel *
* Detmolder Strasse 189 *
* 33604 Bielefeld *
typedef unsigned char byte;
#endif
-#ifndef FALSE
-#define FALSE 0
-#define TRUE (!FALSE)
+#ifdef TRUE
+#undef TRUE
+#endif
+
+#ifdef FALSE
+#undef FALSE
#endif
+#ifdef AUTO
+#undef AUTO
+#endif
+
+#define TRUE 1
+#define FALSE 0
+#define AUTO -1
+
#ifndef MIN
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#endif
#define SIGN(a) ((a) < 0 ? -1 : ((a) > 0 ? 1 : 0))
#endif
+#ifndef ODD
+#define ODD(a) (((a) & 1) == 1)
+#endif
+
+#ifndef EVEN
+#define EVEN(a) (((a) & 1) == 0)
+#endif
+
#define SIZEOF_ARRAY(array, type) (sizeof(array) / sizeof(type))
#define SIZEOF_ARRAY_INT(array) SIZEOF_ARRAY(array, int)