Re-organisation of video emulation.

src/device.c

@@ -57,3 +57,23 @@ void device_speed_changed()
                 }
         }
 }
+
+char *device_add_status_info(char *s, int max_len)
+{
+        int c;
+        
+        s[0] = 0;
+        
+        for (c = 0; c < 256; c++)
+        {
+                if (devices[c] != NULL)
+                {
+                        if (devices[c]->add_status_info != NULL)
+                        {
+                                int len = devices[c]->add_status_info(s, max_len, device_priv[c]);
+                                s += len;
+                                max_len -= len;
+                        }
+                }
+        }
+}