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`timescale 1 ns / 100 ps
module regFile_tb ();
reg clk;
reg [2:0] regA;
reg [2:0] regB;
reg [2:0] regDest;
reg [15:0] dataIn;
reg we, hb, lb;
wire [15:0] dataA;
wire [15:0] dataB;
initial begin
$dumpfile("regFile_tb.vcd");
$dumpvars(0, regFile_tb);
clk = 1'b0;
regA = 3'h0;
regB = 3'h0;
regDest = 3'h0;
we = 1'b0;
hb = 1'b0;
lb = 1'b0;
dataIn = 16'h0;
#2
regA = 3'h1;
regDest = 3'h1;
dataIn = 16'hDEAD;
we = 1'b1;
hb = 1'b1;
lb = 1'b1;
#2
regB = 3'h1;
regA = 3'h2;
dataIn = 16'hBEEF;
lb = 1'b0;
#2
lb = 1'b1;
#2
regDest = 3'h2;
hb = 1'b0;
dataIn = 16'h9876;
#2
hb = 1'b1;
lb = 1'b0;
dataIn = 16'h2345;
#2
regB = 3'h7;
regDest = 3'h7;
lb = 1'b0;
hb = 1'b0;
we = 1'b1;
dataIn = 16'hFFCC;
#2
lb = 1'b1;
hb = 1'b1;
we = 1'b0;
#5
$finish;
end
always #1 clk = !clk;
regFile regFile_inst (
.clk(clk),
.regA(regA),
.regB(regB),
.regDest(regDest),
.dataIn(dataIn),
.we(we),
.hb(hb),
.lb(lb),
.dataA(dataA),
.dataB(dataB)
);
endmodule
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