From 9e59fd2cbafb61e68a8866b5624b2e8fddaf26eb Mon Sep 17 00:00:00 2001
From: Zihao Yu <yuzihao@ict.ac.cn>
Date: Wed, 2 Sep 2020 20:49:31 +0800
Subject: [PATCH] kernels,typing-game: exit when pressing ESC

---
 kernels/typing-game/game.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernels/typing-game/game.c b/kernels/typing-game/game.c
index 34e7ffc..13fdb0a 100644
--- a/kernels/typing-game/game.c
+++ b/kernels/typing-game/game.c
@@ -159,6 +159,7 @@ int main() {
     while (1) {
       AM_INPUT_KEYBRD_T ev = io_read(AM_INPUT_KEYBRD);
       if (ev.keycode == AM_KEY_NONE) break;
+      if (ev.keydown && ev.keycode == AM_KEY_ESCAPE) halt(0);
       if (ev.keydown && lut[ev.keycode]) {
         check_hit(lut[ev.keycode]);
       }