minor cleanup

[dcpu16] / display.c

diff --git a/display.c b/display.c
index 9d59b290030f54b3eaa93fc903dc9df236ef96d5..0fbfbf5e85749b7330fc6e90215855c0e4f393f0 100644 (file)
--- a/display.c
+++ b/display.c
@@ -44,9 +44,9 @@
 /* cells are rendered from cell map, which is bitmap of two words, defining four eight-bit columns */
 
 struct pixel_ {
-    char r;
-    char g;
-    char b;
+    unsigned char r;
+    unsigned char g;
+    unsigned char b;
 };
 
 /* buf will hold image file in memory */