From 893694168d8b943505ff30bd4db57ac8aaef6fef Mon Sep 17 00:00:00 2001
From: Franklin Wei <frankhwei536@gmail.com>
Date: Mon, 9 Feb 2015 21:00:38 -0500
Subject: optimization

---
 drivers/include/tty.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'drivers/include/tty.h')

diff --git a/drivers/include/tty.h b/drivers/include/tty.h
index 0e142c6..4748d81 100644
--- a/drivers/include/tty.h
+++ b/drivers/include/tty.h
@@ -4,6 +4,6 @@ void tty_init(void);
 void tty_clear(void);
 void tty_set_color(uint8_t);
 uint8_t tty_get_color(void);
-void tty_putchar_at(char ch, uint8_t color, int x, int y);
-void tty_putchar(char ch);
+void tty_putchar_at(int ch, uint8_t color, int x, int y);
+void tty_putchar(int ch);
 void tty_puts(const char*);
-- 
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