From 26685f5203bc38cfa082b96182a406f4f7e6435a Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <kwojtus@protonmail.com>
Date: Mon, 30 Dec 2019 14:36:31 +0100
Subject: implement getchar() and putchar() in terms of supervisor call

---
 PL0_utils.h | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 PL0_utils.h

(limited to 'PL0_utils.h')

diff --git a/PL0_utils.h b/PL0_utils.h
new file mode 100644
index 0000000..ba72fd3
--- /dev/null
+++ b/PL0_utils.h
@@ -0,0 +1,10 @@
+#ifndef PL0_UTILS_H
+#define PL0_UTILS_H
+
+void putchar(int character);
+
+int getchar(void);
+
+void puts(char *string);
+
+#endif // PL0_UTILS_H
-- 
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