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42 lines
565 B
42 lines
565 B
4 years ago
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module top(
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input [8:1] SW,
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input CLK_50M,
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output [14:3] D,
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output [7:0] HEX,
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output [0:7] HEX_S
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);
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reg [31:0] number = 32'h00000000;
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seg7x8_dp my (
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.num(number),
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.dp(8'b0),
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.CLK(CLK_50M),
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.HEX(HEX),
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.HEX_S(HEX_S)
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);
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reg y;
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reg [31:0] i;
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always @(posedge CLK_50M)
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begin
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i<=i+1;
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if (i == 1_000_000)
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begin
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y <= 1;
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i <= 0;
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end
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else y <= 0;
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end
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reg [11:0]j=12'b0000_0000_0001;
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always @(posedge y)
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begin
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j<=j<<1;
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if (j == 12'b1000_0000_0000) j <= 12'b0000_0000_0001;
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number <= number + 1;
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end
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assign D[14:3] = ~j;
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endmodule
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