diff --git a/tools/sbl_uni.py b/tools/sbl_uni.py
index b6da9ac..ecab1b6 100644
--- a/tools/sbl_uni.py
+++ b/tools/sbl_uni.py
@@ -145,6 +145,8 @@ def main():
     def hook_code(mu, addr, size, data):
         count[0] += 1
         last[0] = addr
+        if count[0] % 2000000 == 0:
+            print('prog:', count[0], hex(addr), flush=True)
         _pp = _prev[0]
         _prev[0] = addr
         if addr == _pp + 2 or addr == _pp + 4: