@TuxSH found the crash bug. How did I miss that one?

diff --git a/source/std/draw.c b/source/std/draw.c
index bdfedc4b18ad68c7fe770750c6059fce40c50450..7901e1f775f4e37d3bbe1a8315f46cb81c76679b 100644 (file)
--- a/source/std/draw.c
+++ b/source/std/draw.c
@@ -432,10 +432,10 @@ vfprintf(void *channel, const char *format, va_list ap)
 
     char *ref = (char *)format;
 
-    unsigned char *color;
+    unsigned char *color = NULL;
     if (channel == TOP_SCREEN)
         color = &color_top;
-    else if (channel == TOP_SCREEN)
+    else if (channel == BOTTOM_SCREEN)
         color = &color_bottom;
 
     while (ref[0] != '\0') {