From 652d87133699db20183d900d3f197d7d2566cc7c Mon Sep 17 00:00:00 2001
From: Nathaniel Wesley Filardo <nwf@cs.jhu.edu>
Date: Tue, 22 Nov 2016 19:47:32 -0500
Subject: [PATCH] lamp: draw-happy: blank the framebuffer first

---
 draw-happy.lua | 1 +
 1 file changed, 1 insertion(+)

diff --git a/draw-happy.lua b/draw-happy.lua
index bbadcce..8e41787 100644
--- a/draw-happy.lua
+++ b/draw-happy.lua
@@ -8,5 +8,6 @@
 return function(t,fb,g,r,b)
   local c = string.char(g,r,b)
   local i,v
+  fb:fill(0,0,0)
   for i,v in ipairs({2,7,9,11,14,16,28,29}) do fb:set(v,c) end
 end
-- 
2.50.1