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authorNick McKinney <nick@kmonkey.net>2016-12-01 21:36:51 -0600
committerNick McKinney <nick@kmonkey.net>2016-12-01 21:36:51 -0600
commit37db52dbd66db1fd43337082249c469eda39f776 (patch)
treeeff432c8922c877f60aba36e216710e41d8304dd /regFile_tb.v
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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
+ 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
+ $stop;
+ 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