From: Natanael Adityasatria <nata.adit@gmail.com>
Date: Mon, 28 Sep 2015 11:14:25 +0000 (+0200)
Subject: Update explanation
X-Git-Url: https://git.martlubbers.net/?a=commitdiff_plain;h=10409e73057ada18265e4587973a4b55c9c39e6e;p=des2015.git

Update explanation
---

diff --git a/natanael/ex09/Explanation.txt b/natanael/ex09/Explanation.txt
index 16ffe39..a0ee64e 100644
--- a/natanael/ex09/Explanation.txt
+++ b/natanael/ex09/Explanation.txt
@@ -5,3 +5,4 @@ ex9a2
 The dummy task has a higher priority than the task which handle the interupt. But when the interupt is trigged, it will run the interupt first as the urgency and it become priority 257.
 
 ex9b
+Firstly, we need to enable the interupt from the parallel port. Every key press in the parallel port, it will increase the counter. 
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