OpenCores
URL https://opencores.org/ocsvn/cpu8080/cpu8080/trunk

Subversion Repositories cpu8080

[/] [cpu8080/] [trunk/] [project/] [cpu8080_tbw.tfw] - Diff between revs 18 and 28

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Rev 18 Rev 28
Line 6... Line 6... 
//  /   /\/   /
 
//  /   /\/   /
 
// /___/  \  /    Vendor: Xilinx
 
// /___/  \  /    Vendor: Xilinx
 
// \   \   \/     Version : 8.2.02i
 
// \   \   \/     Version : 8.2.02i
 
//  \   \         Application : ISE
 
//  \   \         Application : ISE
 
//  /   /         Filename : cpu8080_tbw.tfw
 
//  /   /         Filename : cpu8080_tbw.tfw
 
// /___/   /\     Timestamp : Sat Nov 04 23:09:57 2006
 
// /___/   /\     Timestamp : Sat Nov 18 13:39:13 2006
 
// \   \  /  \
 
// \   \  /  \
 
//  \___\/\___\
 
//  \___\/\___\
 
//
 
//
 
//Command:
 
//Command:
 
//Design Name: cpu8080_tbw
 
//Design Name: cpu8080_tbw
Line 36... Line 36... 
    wire vsync_n;
 
    wire vsync_n;
 
    reg ps2_clk = 1'b0;
 
    reg ps2_clk = 1'b0;
 
    reg ps2_data = 1'b0;
 
    reg ps2_data = 1'b0;
 
    reg reset_n = 1'b0;
 
    reg reset_n = 1'b0;
 
    reg clock = 1'b0;
 
    reg clock = 1'b0;
 
 
 
    wire [7:0] diag;
 
 
 
 
 
    parameter PERIOD = 40;
 
    parameter PERIOD = 40;
 
    parameter real DUTY_CYCLE = 0.5;
 
    parameter real DUTY_CYCLE = 0.5;
 
    parameter OFFSET = 100;
 
    parameter OFFSET = 100;
 
 
 
 
Line 70... Line 71... 
        .hsync_n(hsync_n),
 
        .hsync_n(hsync_n),
 
        .vsync_n(vsync_n),
 
        .vsync_n(vsync_n),
 
        .ps2_clk(ps2_clk),
 
        .ps2_clk(ps2_clk),
 
        .ps2_data(ps2_data),
 
        .ps2_data(ps2_data),
 
        .reset_n(reset_n),
 
        .reset_n(reset_n),
 
        .clock(clock));
 
        .clock(clock),
 
 
 
        .diag(diag));
 
 
 
 
 
    integer TX_FILE = 0;
 
    integer TX_FILE = 0;
 
    integer TX_ERROR = 0;
 
    integer TX_ERROR = 0;
 
 
 
 
 
    initial begin  // Open the results file...
 
    initial begin  // Open the results file...
 
        TX_FILE = $fopen("results.txt");
 
        TX_FILE = $fopen("results.txt");
 
        #100040 // Final time:  100040 ns
 
        #200040 // Final time:  200040 ns
 
        if (TX_ERROR == 0) begin
 
        if (TX_ERROR == 0) begin
 
            $display("No errors or warnings.");
 
            $display("No errors or warnings.");
 
            $fdisplay(TX_FILE, "No errors or warnings.");
 
            $fdisplay(TX_FILE, "No errors or warnings.");
 
        end else begin
 
        end else begin
 
            $display("%d errors found in simulation.", TX_ERROR);
 
            $display("%d errors found in simulation.", TX_ERROR);
Line 92... Line 94... 
    end
 
    end
 
 
 
 
 
    initial begin
 
    initial begin
 
        // -------------  Current Time:  110ns
 
        // -------------  Current Time:  110ns
 
        #110;
 
        #110;
 
        reset_n = 1'b0;
 
 
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        ps2_data = 1'b1;
 
        ps2_data = 1'b1;
 
 
 
        reset_n = 1'b0;
 
        data$inout$reg = 8'bZZZZZZZZ;
 
        data$inout$reg = 8'bZZZZZZZZ;
 
        // -------------------------------------
 
        // -------------------------------------
 
        // -------------  Current Time:  130ns
 
        // -------------  Current Time:  130ns
 
        #20;
 
        #20;
 
        CHECK_intr(1'b0);
 
        CHECK_intr(1'b0);
 
 
 
        CHECK_diag(8'bXXX11X00);
 
        // -------------------------------------
 
        // -------------------------------------
 
        // -------------  Current Time:  270ns
 
        // -------------  Current Time:  270ns
 
        #140;
 
        #140;
 
        reset_n = 1'b1;
 
        reset_n = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  370ns
 
 
 
        #100;
 
 
 
        CHECK_b(3'bXXX);
 
 
 
        CHECK_g(3'bXXX);
 
 
 
        CHECK_r(3'bXXX);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  390ns
 
        // -------------  Current Time:  390ns
 
        #120;
 
        #20;
 
        ps2_data = 1'b0;
 
        ps2_data = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  410ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X00);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  510ns
 
        // -------------  Current Time:  510ns
 
        #120;
 
        #100;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  530ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX00X00);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  590ns
 
        // -------------  Current Time:  590ns
 
        #80;
 
        #60;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  650ns
 
 
 
        #60;
 
 
 
        CHECK_diag(8'bXXX00X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  670ns
 
        // -------------  Current Time:  670ns
 
        #80;
 
        #20;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  690ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  830ns
 
        // -------------  Current Time:  830ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  850ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX00X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  990ns
 
        // -------------  Current Time:  990ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  1010ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  1150ns
 
        // -------------  Current Time:  1150ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  1170ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX00X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  1310ns
 
        // -------------  Current Time:  1310ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  1330ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  1470ns
 
        // -------------  Current Time:  1470ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  1490ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX00X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  1630ns
 
        // -------------  Current Time:  1630ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        ps2_data = 1'b0;
 
        ps2_data = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  1650ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  1790ns
 
        // -------------  Current Time:  1790ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  1810ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX00X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  1950ns
 
        // -------------  Current Time:  1950ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  1970ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  1990ns
 
        // -------------  Current Time:  1990ns
 
        #40;
 
        #20;
 
        ps2_data = 1'b1;
 
        ps2_data = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  2010ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX11X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  2110ns
 
        // -------------  Current Time:  2110ns
 
        #120;
 
        #100;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  2130ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX10X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  2270ns
 
        // -------------  Current Time:  2270ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  2290ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX11X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  2430ns
 
        // -------------  Current Time:  2430ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  2450ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX10X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  2590ns
 
        // -------------  Current Time:  2590ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  2610ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX11X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  2750ns
 
        // -------------  Current Time:  2750ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  2770ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX10X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  2910ns
 
        // -------------  Current Time:  2910ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  2930ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX11X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  3070ns
 
        // -------------  Current Time:  3070ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  3090ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX10X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  3230ns
 
        // -------------  Current Time:  3230ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  3250ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX11X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  3310ns
 
        // -------------  Current Time:  3310ns
 
        #80;
 
        #60;
 
        ps2_data = 1'b0;
 
        ps2_data = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  3330ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  3390ns
 
        // -------------  Current Time:  3390ns
 
        #80;
 
        #60;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  3410ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX00X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  3550ns
 
        // -------------  Current Time:  3550ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  3570ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  3590ns
 
        // -------------  Current Time:  3590ns
 
        #40;
 
        #20;
 
        ps2_data = 1'b1;
 
        ps2_data = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  3610ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX11X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  3710ns
 
        // -------------  Current Time:  3710ns
 
        #120;
 
        #100;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  3730ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX10X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  3870ns
 
        // -------------  Current Time:  3870ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  3890ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX11X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  5910ns
 
        // -------------  Current Time:  5910ns
 
        #2040;
 
        #2020;
 
        ps2_data = 1'b0;
 
        ps2_data = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  5930ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  6070ns
 
        // -------------  Current Time:  6070ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  6090ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX00X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  6230ns
 
        // -------------  Current Time:  6230ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  6250ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  6390ns
 
        // -------------  Current Time:  6390ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  6410ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX00X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  6550ns
 
        // -------------  Current Time:  6550ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  6570ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  6630ns
 
        // -------------  Current Time:  6630ns
 
        #80;
 
        #60;
 
        ps2_data = 1'b1;
 
        ps2_data = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  6650ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX11X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  6710ns
 
        // -------------  Current Time:  6710ns
 
        #80;
 
        #60;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  6730ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX10X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  6870ns
 
        // -------------  Current Time:  6870ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  6890ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX11X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  6910ns
 
        // -------------  Current Time:  6910ns
 
        #40;
 
        #20;
 
        ps2_data = 1'b0;
 
        ps2_data = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  6930ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  7030ns
 
        // -------------  Current Time:  7030ns
 
        #120;
 
        #100;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  7050ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX00X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  7190ns
 
        // -------------  Current Time:  7190ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  7210ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  7350ns
 
        // -------------  Current Time:  7350ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  7370ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX00X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  7510ns
 
        // -------------  Current Time:  7510ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  7530ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  7550ns
 
        // -------------  Current Time:  7550ns
 
        #40;
 
        #20;
 
        ps2_data = 1'b1;
 
        ps2_data = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  7570ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX11X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  7670ns
 
        // -------------  Current Time:  7670ns
 
        #120;
 
        #100;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  7690ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX10X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  7830ns
 
        // -------------  Current Time:  7830ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  7850ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX11X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  7910ns
 
        // -------------  Current Time:  7910ns
 
        #80;
 
        #60;
 
        ps2_data = 1'b0;
 
        ps2_data = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  7930ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  7990ns
 
        // -------------  Current Time:  7990ns
 
        #80;
 
        #60;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  8010ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX00X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  8150ns
 
        // -------------  Current Time:  8150ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  8170ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  8310ns
 
        // -------------  Current Time:  8310ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  8330ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX00X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  8470ns
 
        // -------------  Current Time:  8470ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  8490ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  8630ns
 
        // -------------  Current Time:  8630ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  8650ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX00X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  8790ns
 
        // -------------  Current Time:  8790ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  8810ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  8950ns
 
        // -------------  Current Time:  8950ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  8970ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX00X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  9110ns
 
        // -------------  Current Time:  9110ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  9130ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX01X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  9190ns
 
        // -------------  Current Time:  9190ns
 
        #80;
 
        #60;
 
        ps2_data = 1'b1;
 
        ps2_data = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  9210ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX11X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  9270ns
 
        // -------------  Current Time:  9270ns
 
        #80;
 
        #60;
 
        ps2_clk = 1'b0;
 
        ps2_clk = 1'b0;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  9290ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX10X01);
 
 
 
        // -------------------------------------
 
        // -------------  Current Time:  9430ns
 
        // -------------  Current Time:  9430ns
 
        #160;
 
        #140;
 
        ps2_clk = 1'b1;
 
        ps2_clk = 1'b1;
 
        // -------------------------------------
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  9450ns
 
 
 
        #20;
 
 
 
        CHECK_diag(8'bXXX11X01);
 
 
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  31090ns
 
 
 
        #21640;
 
 
 
        CHECK_b(3'b000);
 
 
 
        CHECK_g(3'b000);
 
 
 
        CHECK_r(3'b000);
 
 
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  31890ns
 
 
 
        #800;
 
 
 
        CHECK_hsync_n(1'b0);
 
 
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  39890ns
 
 
 
        #8000;
 
 
 
        CHECK_hsync_n(1'b1);
 
 
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  43890ns
 
 
 
        #4000;
 
 
 
        CHECK_b(3'bXXX);
 
 
 
        CHECK_g(3'bXXX);
 
 
 
        CHECK_r(3'bXXX);
 
 
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  95090ns
 
 
 
        #51200;
 
 
 
        CHECK_b(3'b000);
 
 
 
        CHECK_g(3'b000);
 
 
 
        CHECK_r(3'b000);
 
 
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  95890ns
 
 
 
        #800;
 
 
 
        CHECK_hsync_n(1'b0);
 
 
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  103890ns
 
 
 
        #8000;
 
 
 
        CHECK_hsync_n(1'b1);
 
 
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  107890ns
 
 
 
        #4000;
 
 
 
        CHECK_b(3'bXXX);
 
 
 
        CHECK_g(3'bXXX);
 
 
 
        CHECK_r(3'bXXX);
 
 
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  159090ns
 
 
 
        #51200;
 
 
 
        CHECK_b(3'b000);
 
 
 
        CHECK_g(3'b000);
 
 
 
        CHECK_r(3'b000);
 
 
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  159890ns
 
 
 
        #800;
 
 
 
        CHECK_hsync_n(1'b0);
 
 
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  167890ns
 
 
 
        #8000;
 
 
 
        CHECK_hsync_n(1'b1);
 
 
 
        // -------------------------------------
 
 
 
        // -------------  Current Time:  171890ns
 
 
 
        #4000;
 
 
 
        CHECK_b(3'bXXX);
 
 
 
        CHECK_g(3'bXXX);
 
 
 
        CHECK_r(3'bXXX);
 
 
 
        // -------------------------------------
 
    end
 
    end
 
 
 
 
 
    task CHECK_addr;
 
    task CHECK_addr;
 
        input [15:0] NEXT_addr;
 
        input [15:0] NEXT_addr;
 
 
 
 
Line 484... Line 773... 
                $fflush(TX_FILE);
 
                $fflush(TX_FILE);
 
                TX_ERROR = TX_ERROR + 1;
 
                TX_ERROR = TX_ERROR + 1;
 
            end
 
            end
 
        end
 
        end
 
    endtask
 
    endtask
 
 
 
    task CHECK_diag;
 
 
 
        input [7:0] NEXT_diag;
 
 
 
 
 
 
 
        #0 begin
 
 
 
            if (NEXT_diag !== diag) begin
 
 
 
                $display("Error at time=%dns diag=%b, expected=%b", $time, diag, NEXT_diag);
 
 
 
                $fdisplay(TX_FILE, "Error at time=%dns diag=%b, expected=%b", $time, diag, NEXT_diag);
 
 
 
                $fflush(TX_FILE);
 
 
 
                TX_ERROR = TX_ERROR + 1;
 
 
 
            end
 
 
 
        end
 
 
 
    endtask
 
 
 
 
 
endmodule
 
endmodule
 
 
 
 

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