diff -Naur spediv_beta/divide.c spediv_beta_p1/divide.c
--- spediv_beta/divide.c	2005-06-17 11:55:33.000000000 +0200
+++ spediv_beta_p1/divide.c	2005-06-20 00:09:13.000000000 +0200
@@ -523,7 +523,7 @@
       (addr == 0x0562)) divide_automap = 1;
   
   // check for original memory connecting entry points
-  if ((addr & 0x1ff8) == 0x1ff8) {
+  if ((addr & 0xfff8) == 0x1ff8) {
     divide_automap = 0;
   }