"// writing to address location 1

@(posedge inst_test_clk);
#20;
inst_wr_addr = 4'b0001;
@(posedge inst_test_clk);
#20;
inst_data_in = 32'h01234567;

#200
inst_wr_n = 1'b1;
#150 inst_wr_n = 1'b0;"