--- a/tools/view64.c	Wed Feb 25 20:33:57 2015 +0200
+++ b/tools/view64.c	Wed Feb 25 21:25:59 2015 +0200
@@ -195,19 +195,25 @@
         forced = NULL;
 
     ret = dmC64DecodeBMP(&cimage, dataBuf, dataSize, 0, 2, &fmt, forced);
+
+    if (ret < 0)
+    {
+        dmError("Failed to decode bitmap data %d: %s\n", ret, dmErrorStr(ret));
+        goto error;
+    }
+
     if (forced == NULL && fmt != NULL)
     {
         dmMsg(0,"Probed %s format image, type %d, %s\n",
             fmt->name, fmt->type, fmt->fext);
     }
 
-    if (ret < 0)
+    if (fmt == NULL)
     {
-        dmError("Probing could not find any matching image format (%d). Perhaps try forcing a format via -f\n", ret);
-        return -1;
+        dmError("Probing could not find any matching image format. Perhaps try forcing a format via -f.\n");
+        goto error;
     }
 
-
     // Initialize libSDL
     if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) != 0)
     {
@@ -245,7 +251,9 @@
 
 
     // Set window title and caption
-    windowTitle = dm_strdup_printf("%s - %s", dmProgName, optFilename);
+    windowTitle = dm_strdup_printf("%s - %s (%d x %d)",
+        dmProgName, optFilename, cimage->width, cimage->height);
+
     SDL_WM_SetCaption(windowTitle, dmProgName);
     dmFree(windowTitle);