Add solder-pad-based menu selection to mapper 285. Make Latch_clear public and use it to reset multicarts to menu instead of Latch_power.

src/ines.h

@@ -425,6 +425,7 @@ void Mapper579_Init(CartInfo *);
 void Mapper580_Init(CartInfo *);
 void Mapper581_Init(CartInfo *);
 void Mapper583_Init(CartInfo *);
+void Mapper584_Init(CartInfo *);
 void Mapper585_Init(CartInfo *);
 void Mapper586_Init(CartInfo *);
 void Mapper587_Init(CartInfo *);