--- gforth/engine/engine.c	2006/03/11 23:05:09	1.90
+++ gforth/engine/engine.c	2006/10/22 16:54:01	1.92
@@ -97,6 +97,14 @@ extern int gforth_memcmp(const char * s1
 #endif
 
 #define NEWLINE	'\n'
+#define CELL_MIN (((Cell)1)<<(sizeof(Cell)*CHAR_BIT-1))
+/* set CHECK_DIVISION to 0 if the hardware checks division by zero and
+   division overflow.  Note that not all checks are controlled by
+   CHECK_DIVISION, in particular not overflow checks in mixed-size
+   words implemented by C's double-by-double division, because that
+   division does not signal such overflows.  !! make an autoconf test
+   that sets CHECK_DIVISION */
+#define CHECK_DIVISION 1
 
 /* conversion on fetch */