--- M6502/config.h	2007/07/30 13:29:57	24
+++ M6502/config.h	2007/07/30 17:32:41	29
@@ -1,3 +1,6 @@
 // M6502 options
-#define EXEC6502
-#define DEBUG
+#define EXEC6502 1
+#define DEBUG 1
+
+// make perlxsi.c happy
+EXTERN_C void xs_init (pTHX);