X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;ds=inline;f=src%2Fdemo.c;h=a9611f61ad49360233b5605e545ff59dc70014fe;hb=21b1860345b18464e3e688ca1e622177f962d497;hp=4bd02c7405d039f3ee2844d05955e58c0267f124;hpb=77c1d84c258ca14e1bba06ab711426668ff24290;p=dosdemo

diff --git a/src/demo.c b/src/demo.c
index 4bd02c7..a9611f6 100644
--- a/src/demo.c
+++ b/src/demo.c
@@ -3,13 +3,14 @@
 #include <string.h>
 #include <math.h>
 #include <errno.h>
+#include <limits.h>
 #include "demo.h"
 #include "screen.h"
 
 int fb_width = 320;
 int fb_height = 240;
 int fb_bpp = 16;
-unsigned char *fb_pixels;
+void *fb_pixels;
 unsigned long time_msec;
 
 static unsigned long nframes;
@@ -21,6 +22,8 @@ int demo_init(int argc, char **argv)
 	}
 	scr_change(scr_lookup("tunnel"), 4000);
 
+	/* clear the framebuffer at least once */
+	memset(fb_pixels, 0, fb_width * fb_height * fb_bpp / CHAR_BIT);
 	return 0;
 }