+ /* to execute a ROUTE instruction, we send our neighbour a STOREI
+ /* instruction with the correct address and value. This is the
+ /* STOREI instruction. */
+ wire [7:0] route_storei [3:0];
+ assign route_storei[0] = mem_out[7:0];
+ assign route_storei[1] = mem_out[15:8];
+ assign route_storei[2] = from_uart[0];
+ assign route_storei[3] = 3'd4; // OP_STOREI
+