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https://github.com/YosysHQ/yosys
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Code now resides in `docs/source/code_examples`. `CHAPTER_Prog` -> `stubnets` `APPNOTE_011_Design_Investigation` -> `selections` and `show` `resources/PRESENTATION_Intro` -> `intro` `resources/PRESENTATION_ExSyn` -> `synth_flow` `resources/PRESENTATION_ExAdv` -> `techmap`, `macc`, and `selections` `resources/PRESENTATION_ExOth` -> `scrambler` and `axis` Note that generated images are not yet configured to build from the new code locations.
27 lines
663 B
Verilog
27 lines
663 B
Verilog
module MYMUL(A, B, Y);
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parameter WIDTH = 1;
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input [WIDTH-1:0] A, B;
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output reg [WIDTH-1:0] Y;
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parameter _TECHMAP_CONSTVAL_A_ = WIDTH'bx;
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parameter _TECHMAP_CONSTVAL_B_ = WIDTH'bx;
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reg _TECHMAP_FAIL_;
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wire [1023:0] _TECHMAP_DO_ = "proc; clean";
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integer i;
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always @* begin
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_TECHMAP_FAIL_ <= 1;
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for (i = 0; i < WIDTH; i=i+1) begin
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if (_TECHMAP_CONSTVAL_A_ === WIDTH'd1 << i) begin
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_TECHMAP_FAIL_ <= 0;
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Y <= B << i;
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end
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if (_TECHMAP_CONSTVAL_B_ === WIDTH'd1 << i) begin
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_TECHMAP_FAIL_ <= 0;
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Y <= A << i;
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end
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end
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end
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endmodule
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