fixed buffer not clearing

1 files changed, 2 insertions, 1 deletions

diff --git a/01_exercise/bootloader.c b/01_exercise/bootloader.c
index 50a6b0e..07b3dcc 100644
--- a/01_exercise/bootloader.c
+++ b/01_exercise/bootloader.c
@@ -63,6 +63,7 @@ void sleep(short ms) {
 
 void main(void) {
     print("Hello!\n\r");
+
     while (1) {
         char buf[9];
         for (unsigned char i = 0; i < 8; i++) {
@@ -85,9 +86,9 @@ void main(void) {
                 }
             }
             buf[i] = c;
+            buf[i + 1] = 0;
             putc('*');
         }
-        buf[8] = '\0';
         while (1) {
             if (getc() == '\r')
                 break;