remove "done" folders, label "bs/droneenter, bs/dronelook, and bs/dronevanish files and functions"

src/core1/io/contsetch.c

@@ -0,0 +1,21 @@
+#include <os_internal.h>
+#include "controller.h"
+#include "siint.h"
+
+s32 osContSetCh(u8 ch)
+{
+    s32 ret;
+    ret = 0;
+    __osSiGetAccess();
+    if (ch > MAXCONTROLLERS)
+    {
+        __osMaxControllers = 4;
+    }
+    else
+    {
+        __osMaxControllers = ch;
+    }
+    __osContLastCmd = CONT_CMD_END; //TODO: is this right?
+    __osSiRelAccess();
+    return ret;
+}