--- a/src/m/wicat.h	Mon Aug 13 11:19:22 2007 +0200
+++ b/src/m/wicat.h	Mon Aug 13 11:20:41 2007 +0200
@@ -24,6 +24,11 @@
    operating system this machine is likely to run.
    USUAL-OPSYS="usg5-2"  */
 
+/* Define WORD_MACHINE if addresses and such have
+ * to be corrected before they can be used as byte counts.  */
+
+#undef WORD_MACHINE
+
 /* Now define a symbol for the cpu type, if your compiler
    does not define it automatically:
    vax, m68000, ns16000 are the ones defined so far.  */
@@ -35,6 +40,10 @@
 /* This flag is used only in alloca.s.  */
 #define WICAT
 
+/* XINT must explicitly sign-extend */
+
+#define EXPLICIT_SIGN_EXTEND
+
 /* Data type of load average, as read out of kmem.  */
 
 #undef LOAD_AVE_TYPE