+
+ if (mbc_emul[6:0] == 5) begin
+ if ((address[15:12] == 4'h2) && wr)
+ rombank <= {rombank[8], data};
+ else if ((address[15:12] == 4'h3) && wr)
+ rombank <= {data[0], rombank[7:0]};
+ else if ((address[15:12] == 4'h4) && wr)
+ rambank <= data[3:0];
+ end
+