From 8e78bbdea8649ed85bae75a3a6acb145fd05de3f Mon Sep 17 00:00:00 2001
From: Andrew Kay <git@ajk.me>
Date: Wed, 26 Jun 2019 19:28:35 -0500
Subject: [PATCH] Fix issue where buffer was not updated after clearing screen

---
 oec/display.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/oec/display.py b/oec/display.py
index 75d7c4e..9fd307b 100644
--- a/oec/display.py
+++ b/oec/display.py
@@ -185,7 +185,10 @@ class Display:
 
         self.interface.offload_write(b'\x00', address=0, repeat=((rows+1)*columns)-1)
 
-        # TODO: Update the buffer and dirty indicators to reflect the cleared screen.
+        # Update the buffer and dirty indicators to reflect the cleared screen.
+        for index in range(rows * columns):
+            self.buffer[index] = 0x00
+            self.dirty[index] = False
 
         self.load_address_counter(index=0)