Draw the timing diagram for the inputs (M, A, B) in the test bench of 4. In this diagram, show the values of signals A and B as hexadecimal numbers.

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module add_sub_4bits_tb();
reg [3:0] A, B;
reg M;
wire [3:0] S;
wire [4:1] C;
add_sub_4bits UUT (A, B, M, S, C);
initial begin
M=0;
A=4'b0000;
B=4'b0100;
end
initial begin
repeat (7) #100 A=A+4'b0001;
#100 M=1;
#100 A=4'b0000;
repeat (7) #100 A=A+4'b0001;
end
endmodule
Draw the timing diagram for the inputs (M,
A, B) in the test bench of 4. In this diagram,
show the values of signals A and B as
hexadecimal numbers.
Transcribed Image Text:module add_sub_4bits_tb(); reg [3:0] A, B; reg M; wire [3:0] S; wire [4:1] C; add_sub_4bits UUT (A, B, M, S, C); initial begin M=0; A=4'b0000; B=4'b0100; end initial begin repeat (7) #100 A=A+4'b0001; #100 M=1; #100 A=4'b0000; repeat (7) #100 A=A+4'b0001; end endmodule Draw the timing diagram for the inputs (M, A, B) in the test bench of 4. In this diagram, show the values of signals A and B as hexadecimal numbers.
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