diff --git a/apps/lissajous/lissajous.c b/apps/lissajous/lissajous.c
index e514c35..d678a4c 100644
--- a/apps/lissajous/lissajous.c
+++ b/apps/lissajous/lissajous.c
@@ -122,5 +122,8 @@ void main(void) {
         beta += 0.05;
         freq1 += 0.01;
         freq2 += 0.005;
+        if (getc() != 0xFFFFFFFF) {
+            return;
+        }
     }
 }
diff --git a/precompiled/fib.bin b/precompiled/fib.bin
index 124bfaa..bdb49ac 100755
Binary files a/precompiled/fib.bin and b/precompiled/fib.bin differ
diff --git a/precompiled/lissajous.bin b/precompiled/lissajous.bin
index 0891a01..4c2997d 100755
Binary files a/precompiled/lissajous.bin and b/precompiled/lissajous.bin differ