Subversion Repositories cpu8080

////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 1995-2003 Xilinx, Inc.
// All Right Reserved.
////////////////////////////////////////////////////////////////////////////////
//   ____  ____ 
//  /   /\/   / 
// /___/  \  /    Vendor: Xilinx 
// \   \   \/     Version : 8.2.02i
//  \   \         Application : ISE
//  /   /         Filename : cpu8080_tbw.ant
// /___/   /\     Timestamp : Sat Nov 18 22:47:07 2006
// \   \  /  \ 
//  \___\/\___\ 
//
//Command: 
//Design Name: cpu8080_tbw
//Device: Xilinx
//
`timescale 1ns/1ps

module cpu8080_tbw;
    wire [15:0] addr;
    reg [7:0] data$inout$reg = 8'b00000000;
    wire [7:0] data = data$inout$reg;
    wire readmem;
    wire writemem;
    wire readio;
    wire writeio;
    wire intr;
    wire inta;
    wire waitr;
    wire [2:0] r;
    wire [2:0] g;
    wire [2:0] b;
    wire hsync_n;
    wire vsync_n;
    reg ps2_clk = 1'b0;
    reg ps2_data = 1'b0;
    reg reset_n = 1'b0;
    reg clock = 1'b0;
    wire [7:0] diag;

    parameter PERIOD = 40;
    parameter real DUTY_CYCLE = 0.5;
    parameter OFFSET = 100;

    initial    // Clock process for clock
    begin
        #OFFSET;
        forever
        begin
            clock = 1'b0;
            #(PERIOD-(PERIOD*DUTY_CYCLE)) clock = 1'b1;
            #(PERIOD*DUTY_CYCLE);
        end
    end

    testbench UUT (
        .addr(addr),
        .data(data),
        .readmem(readmem),
        .writemem(writemem),
        .readio(readio),
        .writeio(writeio),
        .intr(intr),
        .inta(inta),
        .waitr(waitr),
        .r(r),
        .g(g),
        .b(b),
        .hsync_n(hsync_n),
        .vsync_n(vsync_n),
        .ps2_clk(ps2_clk),
        .ps2_data(ps2_data),
        .reset_n(reset_n),
        .clock(clock),
        .diag(diag));

    integer TX_FILE = 0;
    integer TX_ERROR = 0;
    
    initial begin    // Annotation process for clock clock
        #0;
        ANNOTATE_addr;
        ANNOTATE_readmem;
        ANNOTATE_writemem;
        ANNOTATE_readio;
        ANNOTATE_writeio;
        ANNOTATE_intr;
        ANNOTATE_inta;
        ANNOTATE_waitr;
        ANNOTATE_r;
        ANNOTATE_g;
        ANNOTATE_b;
        ANNOTATE_hsync_n;
        ANNOTATE_vsync_n;
        ANNOTATE_diag;
        #OFFSET;
        forever begin
            #30;
            ANNOTATE_addr;
            ANNOTATE_readmem;
            ANNOTATE_writemem;
            ANNOTATE_readio;
            ANNOTATE_writeio;
            ANNOTATE_intr;
            ANNOTATE_inta;
            ANNOTATE_waitr;
            ANNOTATE_r;
            ANNOTATE_g;
            ANNOTATE_b;
            ANNOTATE_hsync_n;
            ANNOTATE_vsync_n;
            ANNOTATE_diag;
            #10;
        end
    end

    initial begin  // Open the annotations file...
        TX_FILE = $fopen("C:\\Xilinx\\ISEexamples\\cpu8080\\cpu8080_tbw.ano");
        #200040 // Final time:  200040 ns
        $display("Success! Annotation Simulation Complete.");
        $fdisplay(TX_FILE, "Total[%d]", TX_ERROR);
        $fclose(TX_FILE);
        $finish;
    end

    initial begin
        // -------------  Current Time:  110ns
        #110;
        ps2_clk = 1'b1;
        ps2_data = 1'b1;
        reset_n = 1'b0;
        reset_n = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  390ns
        #280;
        ps2_data = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  510ns
        #120;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  590ns
        #80;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  670ns
        #80;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  830ns
        #160;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  990ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  1150ns
        #160;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  1310ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  1470ns
        #160;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  1630ns
        #160;
        ps2_clk = 1'b1;
        ps2_data = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  1790ns
        #160;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  1950ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  1990ns
        #40;
        ps2_data = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  2110ns
        #120;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  2270ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  2430ns
        #160;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  2590ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  2750ns
        #160;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  2910ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  3070ns
        #160;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  3230ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  3310ns
        #80;
        ps2_data = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  3390ns
        #80;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  3550ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  3590ns
        #40;
        ps2_data = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  3710ns
        #120;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  3870ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  5910ns
        #2040;
        ps2_data = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  6070ns
        #160;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  6230ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  6390ns
        #160;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  6550ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  6630ns
        #80;
        ps2_data = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  6710ns
        #80;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  6870ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  6910ns
        #40;
        ps2_data = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  7030ns
        #120;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  7190ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  7350ns
        #160;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  7510ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  7550ns
        #40;
        ps2_data = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  7670ns
        #120;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  7830ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  7910ns
        #80;
        ps2_data = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  7990ns
        #80;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  8150ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  8310ns
        #160;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  8470ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  8630ns
        #160;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  8790ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  8950ns
        #160;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  9110ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  9190ns
        #80;
        ps2_data = 1'b1;
        // -------------------------------------
        // -------------  Current Time:  9270ns
        #80;
        ps2_clk = 1'b0;
        // -------------------------------------
        // -------------  Current Time:  9430ns
        #160;
        ps2_clk = 1'b1;
        // -------------------------------------
    end

    task ANNOTATE_addr;
        #0 begin
            $fdisplay(TX_FILE, "Annotate[%d,addr,%b]", $time, addr);
            $fflush(TX_FILE);
            TX_ERROR = TX_ERROR + 1;
        end
    endtask

    task ANNOTATE_readmem;
        #0 begin
            $fdisplay(TX_FILE, "Annotate[%d,readmem,%b]", $time, readmem);
            $fflush(TX_FILE);
            TX_ERROR = TX_ERROR + 1;
        end
    endtask

    task ANNOTATE_writemem;
        #0 begin
            $fdisplay(TX_FILE, "Annotate[%d,writemem,%b]", $time, writemem);
            $fflush(TX_FILE);
            TX_ERROR = TX_ERROR + 1;
        end
    endtask

    task ANNOTATE_readio;
        #0 begin
            $fdisplay(TX_FILE, "Annotate[%d,readio,%b]", $time, readio);
            $fflush(TX_FILE);
            TX_ERROR = TX_ERROR + 1;
        end
    endtask

    task ANNOTATE_writeio;
        #0 begin
            $fdisplay(TX_FILE, "Annotate[%d,writeio,%b]", $time, writeio);
            $fflush(TX_FILE);
            TX_ERROR = TX_ERROR + 1;
        end
    endtask

    task ANNOTATE_intr;
        #0 begin
            $fdisplay(TX_FILE, "Annotate[%d,intr,%b]", $time, intr);
            $fflush(TX_FILE);
            TX_ERROR = TX_ERROR + 1;
        end
    endtask

    task ANNOTATE_inta;
        #0 begin
            $fdisplay(TX_FILE, "Annotate[%d,inta,%b]", $time, inta);
            $fflush(TX_FILE);
            TX_ERROR = TX_ERROR + 1;
        end
    endtask

    task ANNOTATE_waitr;
        #0 begin
            $fdisplay(TX_FILE, "Annotate[%d,waitr,%b]", $time, waitr);
            $fflush(TX_FILE);
            TX_ERROR = TX_ERROR + 1;
        end
    endtask

    task ANNOTATE_r;
        #0 begin
            $fdisplay(TX_FILE, "Annotate[%d,r,%b]", $time, r);
            $fflush(TX_FILE);
            TX_ERROR = TX_ERROR + 1;
        end
    endtask

    task ANNOTATE_g;
        #0 begin
            $fdisplay(TX_FILE, "Annotate[%d,g,%b]", $time, g);
            $fflush(TX_FILE);
            TX_ERROR = TX_ERROR + 1;
        end
    endtask

    task ANNOTATE_b;
        #0 begin
            $fdisplay(TX_FILE, "Annotate[%d,b,%b]", $time, b);
            $fflush(TX_FILE);
            TX_ERROR = TX_ERROR + 1;
        end
    endtask

    task ANNOTATE_hsync_n;
        #0 begin
            $fdisplay(TX_FILE, "Annotate[%d,hsync_n,%b]", $time, hsync_n);
            $fflush(TX_FILE);
            TX_ERROR = TX_ERROR + 1;
        end
    endtask

    task ANNOTATE_vsync_n;
        #0 begin
            $fdisplay(TX_FILE, "Annotate[%d,vsync_n,%b]", $time, vsync_n);
            $fflush(TX_FILE);
            TX_ERROR = TX_ERROR + 1;
        end
    endtask

    task ANNOTATE_diag;
        #0 begin
            $fdisplay(TX_FILE, "Annotate[%d,diag,%b]", $time, diag);
            $fflush(TX_FILE);
            TX_ERROR = TX_ERROR + 1;
        end
    endtask

endmodule