diff -Naur spediv_v0.2a/divide.c spediv_v0.2b/divide.c
--- spediv_v0.2a/divide.c	2005-07-19 13:13:59.000000000 +0200
+++ spediv_v0.2b/divide.c	2005-09-02 11:11:53.000000000 +0200
@@ -524,6 +524,7 @@
         DISK.identify[117] = (size >> 24);
         
         DISK.in_port_BF &= (STATUS_CLR_BSY & STATUS_CLR_DF & STATUS_CLR_DRQ & STATUS_CLR_ERR);
+        DISK.in_port_BF |= STATUS_SET_DRDY;
         break;
 
       case 0xA1: // identify drive (ATAPI)
@@ -667,7 +668,17 @@
 }
 
 
-void divide_mapper(int addr) {
+void divide_premap(int addr) {
+  // "fetch state"
+  // mapper logic, see divIDE documentation for more info
+  
+  // check for divide memory connecting betadisk entry points
+  if ((addr & 0xff00) == 0x3d00)
+    divide_automap = 1;
+  divide_mapper();
+}
+  
+void divide_postmap(int addr) {
   // "M1 state"
   // mapper logic, see divIDE documentation for more info
   
@@ -683,7 +694,10 @@
   if ((addr & 0xfff8) == 0x1ff8) {
     divide_automap = 0;
   }
+  divide_mapper();
+}
   
+void divide_mapper() {
   // if CONMEM is set, connect EEPROM (read only if JP2 is closed) and selected RAM bank (read/write)
   if (divide_conmem) { // map eeprom+ram
     if ((divide_memstate != 1) || divide_bank_changed) {
diff -Naur spediv_v0.2a/divide.h spediv_v0.2b/divide.h
--- spediv_v0.2a/divide.h	2005-07-19 19:36:15.000000000 +0200
+++ spediv_v0.2b/divide.h	2005-07-25 11:23:12.000000000 +0200
@@ -28,7 +28,9 @@
 void divide_attach_drive(int drive, char *path);
 void divide_detach_drive(int drive);
 
-void divide_mapper(int addr);
+void divide_premap(int addr);
+void divide_postmap(int addr);
+void divide_mapper();
 void divide_put_mem(int addr, byte *ptr, byte val);
 
 void divide_port_out(int portl, byte data);
diff -Naur spediv_v0.2a/z80_step.c spediv_v0.2b/z80_step.c
--- spediv_v0.2a/z80_step.c	2005-07-08 22:25:06.000000000 +0200
+++ spediv_v0.2b/z80_step.c	2005-07-25 11:23:28.000000000 +0200
@@ -169,9 +169,12 @@
 #ifdef DEBUG_Z80
     debug_z80();
 #endif
+#ifdef HAVE_DIVIDE
+    divide_premap(PC);
+#endif
     nextop = *PCP; 
 #ifdef HAVE_DIVIDE
-    divide_mapper(PC);
+    divide_postmap(PC);
 #endif
     PC++;