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20 lines
490 B
Verilog
20 lines
490 B
Verilog
/*
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Example from: https://www.latticesemi.com/-/media/LatticeSemi/Documents/UserManuals/EI/iCEcube201701UserGuide.ashx?document_id=52071 [p. 74].
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*/
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module top(data, addr);
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output [3:0] data; // Note: this prompts a Yosys warning, but
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// vendor doc does not contain 'reg'
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input [4:0] addr;
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always @(addr) begin
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case (addr)
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0 : data = 'h4;
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1 : data = 'h9;
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2 : data = 'h1;
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15 : data = 'h8;
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16 : data = 'h1;
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17 : data = 'h0;
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default : data = 'h0;
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endcase
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end
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endmodule
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