File size: 974 Bytes
78c261f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | module register_file_tb;
reg clk;
reg [4:0] read_reg1;
reg [4:0] read_reg2;
reg [4:0] write_reg;
reg [31:0] write_data;
reg write_enable;
wire [31:0] read_data1;
wire [31:0] read_data2;
register_file reg_file(clk, read_reg1, read_reg2, write_reg, write_data, write_enable, read_data1, read_data2);
initial begin
clk = 0;
read_reg1 = 0;
read_reg2 = 0;
write_reg = 0;
write_data = 0;
write_enable = 0;
#10;
write_enable = 1;
write_data = 32'hdeadbeef;
write_reg = 0;
#10;
write_enable = 0;
read_reg1 = 0; // read from register 0
read_reg2 = 1; // read from register 1
#10;
$display("read_data1 = %h", read_data1);
$display("read_data2 = %h", read_data2);
#10;
$finish;
end
always begin
#5;
clk = ~clk;
end
endmodule |