--- ./rockbox.unmod/firmware/target/hosted/android/app/button-target.h	2011-01-22 09:02:32.000000000 -0600
+++ ./rockbox.mod/firmware/target/hosted/android/app/button-target.h	2011-01-22 22:42:28.000000000 -0600
@@ -41,6 +41,9 @@
 #define BUTTON_DPAD_DOWN   0x00000020
 #define BUTTON_DPAD_CENTER 0x00000040
 
+/* Old keymap scheme? rockboy needs this and probably other plugins do as well. */
+#define BUTTON_MAIN BUTTON_DPAD_CENTER
+
 /* Compatibility hacks for flipping. Needs a somewhat better fix. */
 #define BUTTON_LEFT  BUTTON_DPAD_LEFT
 #define BUTTON_RIGHT BUTTON_DPAD_RIGHT