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yosys/tests/simple/hierarchy.v
2013-11-24 15:10:43 +01:00

22 lines
387 B
Verilog

(* top *)
module top(a, b, y1, y2, y3, y4);
input [3:0] a;
input signed [3:0] b;
output [7:0] y1, y2, y3, y4;
submod #(-3'sd1, -3'sd1) foo (a, b, y1, y2, y3, y4);
endmodule
(* gentb_skip *)
module submod(a, b, y1, y2, y3, y4);
parameter c = 0;
parameter [7:0] d = 0;
input [7:0] a, b;
output [7:0] y1, y2, y3, y4;
assign y1 = a;
assign y2 = b;
assign y3 = c;
assign y4 = d;
endmodule