2020-02-17 18:12:51 +01:00
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module top;
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2020-02-20 00:58:22 +01:00
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localparam [0:127] A = { 32'h1, 32'h2, 32'h3, 32'h4 };
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localparam [0:31] B = { 8'h1, 8'h2, 8'h3, 8'h4 };
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localparam [0:3] C = { 1'h1, 1'h0, 1'h1, 1'h0 };
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localparam [0:127] D = { 32'hFFFFFFFF, 32'hFFFFFFFE, 32'hFFFFFFFD, 32'hFFFFFFFC };
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localparam [0:31] E = { 8'hFF, 8'hFE, 8'hFD, 8'hFC };
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localparam [0:3] F = { 1'h1, 1'h0, 1'h1, 1'h0 };
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localparam [0:127] G = { 32'h1, 32'h2, 32'h3, 32'h4 };
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localparam [0:31] H = { 8'h1, 8'h2, 8'h3, 8'h4 };
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localparam [0:3] I = { 1'h1, 1'h0, 1'h1, 1'h0 };
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2021-02-03 22:12:05 +01:00
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localparam [0:127] J = { 32'h0, 32'hFFFFFFFF, 32'h5, 32'h6 };
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localparam [0:31] K = { 8'h0, 8'hFF, 8'h5, 8'h6 };
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localparam [0:3] L = { 1'h0, 1'h1, 1'h1, 1'h0 };
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localparam [0:127] M = { 32'h0, 32'hFFFFFFFF, 32'h5, 32'h6 };
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localparam [0:31] N = { 8'h0, 8'hFF, 8'h5, 8'h6 };
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localparam [0:3] O = { 1'h0, 1'h1, 1'h1, 1'h0 };
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2020-02-17 18:12:51 +01:00
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initial begin
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2020-02-20 00:58:22 +01:00
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$display("%b %2d %2d", A, $bits(A), 32);
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$display("%b %2d %2d", B, $bits(B), 8);
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$display("%b %2d %2d", C, $bits(C), 1);
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$display("%b %2d %2d", D, $bits(D), 32);
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$display("%b %2d %2d", E, $bits(E), 8);
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$display("%b %2d %2d", F, $bits(F), 1);
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$display("%b %2d %2d", G, $bits(G), 32);
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$display("%b %2d %2d", H, $bits(H), 8);
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$display("%b %2d %2d", I, $bits(I), 1);
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2021-02-03 22:12:05 +01:00
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$display("%b %2d %2d", J, $bits(J), 32);
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$display("%b %2d %2d", K, $bits(K), 8);
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$display("%b %2d %2d", L, $bits(L), 1);
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$display("%b %2d %2d", M, $bits(M), 32);
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$display("%b %2d %2d", N, $bits(N), 8);
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$display("%b %2d %2d", O, $bits(O), 1);
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2020-02-17 18:12:51 +01:00
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end
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2020-07-21 00:55:54 +02:00
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localparam [3:0] P = 4'b1100;
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localparam [3:0] Q = 4'b0011;
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initial begin
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$display("%b %b %b", P, P[1:0], P[3:2]);
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$display("%b %b %b", Q, Q[1:0], Q[3:2]);
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end
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2020-07-24 02:23:40 +02:00
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initial begin : block
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reg [31:0] a;
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a[7:0] = 1;
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a[15:8] = 1;
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$display("a: %b", a);
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a[31:24] = 2;
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$display("a: %b", a);
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a[23:16] = 3;
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$display("a: %b", a);
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a[23:19] = 4'b1111;
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$display("a: %b", a);
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end
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2020-02-17 18:12:51 +01:00
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endmodule
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