Reinstated the L+SELECT payload

loader/source/buttons.h

@@ -10,3 +10,4 @@
 #define BUTTON_X      (1 << 10)
 #define BUTTON_Y      (1 << 11)
 #define BUTTON_R1     (1 << 8)
+#define BUTTON_SELECT (1 << 2)

loader/source/main.c

@@ -51,6 +51,7 @@ void main(void)
        ((pressed & BUTTON_X) && LOAD_PAYLOAD("x")) ||
        ((pressed & BUTTON_Y) && LOAD_PAYLOAD("y")) ||
        ((pressed & BUTTON_R1) && LOAD_PAYLOAD("r")) ||
+       ((pressed & BUTTON_SELECT) && LOAD_PAYLOAD("select")) ||
        LOAD_PAYLOAD("def"))
         ((void (*)())PAYLOAD_ADDRESS)();
 }