diff --git a/firmware/l0dable/nick_life.c b/firmware/l0dable/nick_life.c
index 818c232..4faed8f 100644
--- a/firmware/l0dable/nick_life.c
+++ b/firmware/l0dable/nick_life.c
@@ -256,6 +256,10 @@ static void reset_area() {
   }
 }
 
+#ifdef SIMULATOR
+extern uint32_t getRandom(void);
+#endif
+
 static void random_area(struct bitset *area, uchar x0, uchar y0, uchar x1, uchar y1,uchar value) {
   for(uchar x=x0; x<=x1; ++x) {
     for(uchar y=y0; y<=y1; ++y) {
diff --git a/firmware/sysdefs.h b/firmware/sysdefs.h
index 7c2d3d5..10ebfb4 100644
--- a/firmware/sysdefs.h
+++ b/firmware/sysdefs.h
@@ -62,7 +62,9 @@ typedef unsigned char byte_t;
 #endif
 
 // Save some space
+#ifndef SIMULATOR
 #define memcpy memmove
+#endif
 
 #endif
 
diff --git a/simulat0r/bin/update-bridge-files.sh b/simulat0r/bin/update-bridge-files.sh
index 76db0b4..441bc53 100755
--- a/simulat0r/bin/update-bridge-files.sh
+++ b/simulat0r/bin/update-bridge-files.sh
@@ -52,6 +52,8 @@ for i in `find firmware -type f -name .gitignore`; do
 	echo OK $i and simulat0r/$i are the same
     else
 	echo WARNING: $i mismatches simulat0r/$i
-	diff -y $i simulat0r/$i
+	echo "   give this command a try if the following diff looks reasonable:"
+	echo "   cp $i simulat0r/$i"
+	diff -y $i simulat0r/$i || true
     fi 
 done
diff --git a/simulat0r/firmware/.gitignore b/simulat0r/firmware/.gitignore
index 5323c83..d2d2dd6 100644
--- a/simulat0r/firmware/.gitignore
+++ b/simulat0r/firmware/.gitignore
@@ -6,3 +6,4 @@ lcd/allfonts.h
 Makefile.dep
 table.c
 table.h
+SECRETS.release
diff --git a/simulat0r/firmware/SECRETS b/simulat0r/firmware/SECRETS
new file mode 100644
index 0000000..8f35c3d
--- /dev/null
+++ b/simulat0r/firmware/SECRETS
@@ -0,0 +1,17 @@
+#ifndef _SECRETS_
+#define _SECRETS_
+
+// these keys are not the official keys
+// they´re just here to make the simulat0r build
+
+static uint32_t const meshkey[4] = {
+    0x01010101, 0x02020202, 0x03030303, 0x04040404
+};
+static const uint32_t openbeaconkey[4] = {
+    0x05050505, 0x06060606, 0x07070707, 0x08080808
+};
+static uint32_t const remotekey[4] = {
+    0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff
+};
+
+#endif
diff --git a/simulat0r/firmware/applications/default.c b/simulat0r/firmware/applications/default.c
index 9c699bc..d58e949 100644
--- a/simulat0r/firmware/applications/default.c
+++ b/simulat0r/firmware/applications/default.c
@@ -6,6 +6,7 @@
 #undef main_default
 
 int lcdInitConfig() {
+  return 0;
 }
 
 void main_default() {
diff --git a/simulat0r/firmware/core/gpio/gpio.c b/simulat0r/firmware/core/gpio/gpio.c
index 2c8d214..990bc12 100644
--- a/simulat0r/firmware/core/gpio/gpio.c
+++ b/simulat0r/firmware/core/gpio/gpio.c
@@ -53,6 +53,7 @@ void gpioIntDisable (uint32_t portNum, uint32_t bitPos) {
 
 uint32_t  gpioIntStatus (uint32_t portNum, uint32_t bitPos) {
   printf("uint32_t  gpioIntStatus (uint32_t portNum, uint32_t bitPos)\n");
+  return 0;
 }
 
 void gpioIntClear (uint32_t portNum, uint32_t bitPos) {
diff --git a/simulat0r/firmware/l0dable/.gitignore b/simulat0r/firmware/l0dable/.gitignore
index ca79c34..47ffa2a 100644
--- a/simulat0r/firmware/l0dable/.gitignore
+++ b/simulat0r/firmware/l0dable/.gitignore
@@ -2,3 +2,6 @@
 *.bin
 usetable.h
 loadable.ld
+*.nik
+*.c0d
+*.int
diff --git a/simulat0r/firmware/libc-unc0llide.h b/simulat0r/firmware/libc-unc0llide.h
index 0ca4b6a..690dabe 100644
--- a/simulat0r/firmware/libc-unc0llide.h
+++ b/simulat0r/firmware/libc-unc0llide.h
@@ -12,12 +12,6 @@ The following symbols were found to be defined within glibc.
 Use different names within simulat0r to keep the firmware and simulat0r-host universes collision-free.
  */
 #define buf __r0ket_buf
-#define deselect __r0ket_deselect
-#define ECIES_embedded_public_key_validation __r0ket_ECIES_embedded_public_key_validation
-#define ECIES_generate_key_pair __r0ket_ECIES_generate_key_pair
-#define ECIES_public_key_validation __r0ket_ECIES_public_key_validation
-#define f_sync __r0ket_f_sync
-#define getInput __r0ket_getInput
 #define isalnum __r0ket_isalnum
 #define isalpha __r0ket_isalpha
 #define isascii __r0ket_isascii
@@ -55,4 +49,3 @@ Use different names within simulat0r to keep the firmware and simulat0r-host uni
 #define vprintf __r0ket_vprintf
 #define vsnprintf __r0ket_vsnprintf
 #define vsprintf __r0ket_vsprintf
-#define XTEA_init_key __r0ket_XTEA_init_key
diff --git a/tools/bootloader/gangflash b/tools/bootloader/gangflash
index 3866e90..bff65a4 100755
--- a/tools/bootloader/gangflash
+++ b/tools/bootloader/gangflash
@@ -49,10 +49,11 @@ def copy(count, target, dir):
 
     while len(flashed) != count:
         filelist = []
-        try:
-            filelist = os.listdir(target)
-        except:
-            pass
+        while len(filelist) != count:
+            try:
+                filelist = os.listdir(target)
+            except:
+                pass
         oldflashed = flashed
         flashed = []
         for x in oldflashed:
@@ -67,8 +68,13 @@ def copy(count, target, dir):
                 time.sleep(0.3)
                 print "mkdir", "/tmp/r0ket/"+device
                 os.mkdir("/tmp/r0ket/"+device)
-                print "mount "+target+device+" "+"/tmp/r0ket/"+device
-                os.system("mount -t vfat "+target+device+" "+"/tmp/r0ket/"+device)
+                print "mount -t vfat "+target+device+" "+"/tmp/r0ket/"+device
+                x = 1
+                while x != 0:
+                    x = os.system("mount -t vfat "+target+device+" "+"/tmp/r0ket/"+device)
+                    print "returned", x
+                    if x != 0:
+                        time.sleep(5)
                 os.system("../tools/crypto/generate-keys")
                 #for file in filestocopy:
                 print     "cp "+dir+"/* /tmp/r0ket/"+device
@@ -87,6 +93,7 @@ def copy(count, target, dir):
             os.system("touch /tmp/r0ket/"+mount+"/flashed.cfg")
             print "sync"
             os.system("sync")
+            time.sleep(1)
             print "umount /tmp/r0ket/"+mount
             os.system("umount /tmp/r0ket/"+mount)
             print "rm /tmp/r0ket/"+mount
@@ -95,12 +102,14 @@ def copy(count, target, dir):
     print "rm /tmp/r0ket"
     os.rmdir("/tmp/r0ket")
 
-
+os.system("umount /tmp/r0ket/*")
+os.system("rm /tmp/r0ket -rf")
+os.system("rm /dev/r0ketflash/*")
 while True:
     raw_input("Flashed firmware.\nNow cycle power and press enter.")
-    flash(8, "/dev/lpcflash/", "initial.bin")
+    flash(9, "/dev/lpcflash/", "initial.bin")
     raw_input("Flashed bootstrap firmware.\nNow cycle power and press enter.")
-    copy(8, "/dev/r0ketflash/","files")
-    flash(8, "/dev/lpcflash/", "final.bin")
+    copy(9, "/dev/r0ketflash/","files")
+    flash(9, "/dev/lpcflash/", "final.bin")
 
 
diff --git a/tools/crypto/generate-keys.c b/tools/crypto/generate-keys.c
index 82eea62..602bafa 100644
--- a/tools/crypto/generate-keys.c
+++ b/tools/crypto/generate-keys.c
@@ -392,7 +392,7 @@ void ECIES_generate_key_pair(void)      /* generate a public/private key pair */
   //printf("Here is your new public/private key pair:\n");
   bitstr_to_hex(buf, x);
   //printf("Public key: %s:", bufptr); 
-  FILE* f = fopen("pubx.key", "w");
+  FILE* f = fopen("files/pubx.key", "w");
   if( f == NULL ){
     printf("error opening pubx.key\n");
     while(1);
@@ -402,7 +402,7 @@ void ECIES_generate_key_pair(void)      /* generate a public/private key pair */
 
   bitstr_to_hex(buf, y);
   //printf("%s\n", bufptr);
-  f = fopen("puby.key", "w");
+  f = fopen("files/puby.key", "w");
   if( f == NULL ){
     printf("error opening puby.key\n");
     while(1);
@@ -413,7 +413,7 @@ void ECIES_generate_key_pair(void)      /* generate a public/private key pair */
 
   bitstr_to_hex(buf, k);
   //printf("Private key: %s\n", bufptr);
-  f = fopen("priv.key", "w");
+  f = fopen("files/priv.key", "w");
   if( f == NULL ){
     printf("error opening priv.key\n");
     while(1);