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adding testbenches

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Erick
2022-02-28 23:55:42 +01:00
parent 680094e4e8
commit 90287bca73
4 changed files with 82 additions and 0 deletions
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gates/testbench/mux.v
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include "mux.v"
module mux_tb();
reg a,b, sel;
output y;
mux dut(a, b, sel, y);
initial begin
a = 0; b = 0; sel = 0;
$monitor("IN: %b, %b ",a, b, "SEL: ",sel, " OUT: ",y);
#5;
a = 1; b = 0; sel = 0;
$monitor("IN: %b, %b ",a, b, "SEL: ",sel, " OUT: ",y);
#5;
a = 0; b = 1; sel = 0;
$monitor("IN: %b, %b ",a, b, "SEL: ",sel, " OUT: ",y);
#5;
a = 1; b = 1; sel = 0;
$monitor("IN: %b, %b ",a, b, "SEL: ",sel, " OUT: ",y);
#5;
a = 0; b = 0; sel = 1;
$monitor("IN: %b, %b ",a, b, "SEL: ",sel, " OUT: ",y);
#5;
a = 1; b = 0; sel = 1;
$monitor("IN: %b, %b ",a, b, "SEL: ",sel, " OUT: ",y);
#5;
a = 0; b = 1; sel = 1;
$monitor("IN: %b, %b ",a, b, "SEL: ",sel, " OUT: ",y);
#5;
a = 1; b = 1; sel = 1;
$monitor("IN: %b, %b ",a, b, "SEL: ",sel, " OUT: ",y);
end
endmodule