From bbb56541f8157ff58bbf7166fc55a27340739c52 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Hru=C5=A1ka?= <ondra@ondrovo.com>
Date: Sat, 28 Jan 2017 01:17:13 +0100
Subject: [PATCH] packed screen struct to 2 bytes, saved 2 kB of RAM

---
 user/screen.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/user/screen.c b/user/screen.c
index 22503a4..e60324b 100644
--- a/user/screen.c
+++ b/user/screen.c
@@ -10,12 +10,12 @@
 #define COLOR_MAX 15
 
 /**
- * Screen cell data type
+ * Screen cell data type (16 bits)
  */
-typedef struct {
-	char c;
-	Color fg;
-	Color bg;
+typedef struct __attribute__((packed)){
+	char c   : 8;
+	Color fg : 4;
+	Color bg : 4;
 } Cell;
 
 /**