+//16 bits of ram in total
+//only use bottom 4 bits as ram though
+static uint8 mapper228_ram[4];
+
+static SFORMAT StateRegs[]=
+{
+ { mapper228_ram, 4, "MAPPER_RAM" },
+ { 0 }
+};
+
+static DECLFR(Mapper228_read)
+{
+ return mapper228_ram[A & 3] & 0xF;
+}
+