在进行测试同步FIFO时候，写的testbench :`timescale 1ns / 1ps//////////////////////////////////////////////////////////////////////////////////// Company: // Engineer: // // Create Date: 2017/05/11 11:14:59// Design Name: // Module Name: sy_fifo_test// Project Name: // Target Devices: // Tool Versions: // Description: // // Dependencies: // // Revision:// Revision 0.01 - File Created// Additional Comments:// //////////////////////////////////////////////////////////////////////////////////module sy_fifo_test;regclk;regrstn;reg [3:0]data_in;regrd;regwd;wire [3:0]data_out;wirefull;wireempty;//reg [3:0]i;always #20data_in=data_in+1;always #10clk=~clk;initial beginrstn=1'b0;clk=1'b0;data_in={3'b0,1'b1};#10rstn=1'b1;#10rstn=1'b0;#20rd =1'b0;wd =1'b0;//不进行操作#300 rd =1'b0;wd =1'b1;//进行写操作#400 rd =1'b1;wd =1'b0;//进行读操作#300 rd =1'b0;wd =1'b1; //进行写操作endsy_fifo m(clk,rstn,data_in,data_out,full,empty,rd,wd);endmodule在进行仿真时候，就会出现上述问题，若把最后的写操作 改成为：#300 rd=1'b1; wd=1'b1;就不会出现上述问题，求大神指点下？？？
2017-05-18 15:17
报错信息 cna02:~ # ntpdate ntp1.aliyun.com 4 Aug 0741 ntpdate[18694]: the NTP socket is in use, exiting
2022-10-27 12:37
;default:fprintf(stderr, "Unsupported platform, exiting");return MRAA_ERROR_INVALID_PLATFORM
2016-07-13 21:38
): Error is not recoverable: exiting nowtar: Child returned status 2tar: Error is not recoverable: exiting nowforlinx@forlinx:~$
2022-01-06 06:47
用modelsim仿真时出来Modelsim is exiting with code 7然后就关闭了是怎么回事
2020-04-13 04:23
power-up and power-down, and when entering or exiting shutdown or sleep mode. The supervisor may only provide a power-on reset, or it may o
2009-04-23 09:30
power-up and power-down, and when entering or exiting shutdown or sleep mode. The supervisor may only provide a power-on reset, or it may o
2009-05-04 10:29
请教各位大神，如何编译替换内核？最近编译的内核装载之后无法进入系统，卡在“EFI stub:Exiting boot services and installing virtual address map”无法进入系统。
2022-11-08 18:23
哪位大神遇到过Allegro中，layout菜单栏中，选中PIN，点击会出现Exiting from Add Pin.这是什么原因呀，求大神指教。
2018-04-20 07:41
我用的Cadence16.5版本，当用到PCB Editor时出现了下面的情况：“”No product licenses found,exiting.Use-help for list of list of licenses” 。在网上查询找了许多方法，还是不行。请问到底怎么解决？？
2014-10-10 15:51
