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Support cascading $pmux.A with $mux.A and $mux.B

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This commit is contained in:
Eddie Hung 2019-06-06 13:51:22 -07:00
parent dc7b8c4b94
commit ccdf989025
3 changed files with 65 additions and 17 deletions
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25
tests/various/muxpack.v
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@ -85,3 +85,28 @@ always @* begin
if (s == 0) o <= i[2*W+:W];
end
endmodule
module mux_case_unbal_7_7#(parameter N=7, parameter W=7) (input [N*W-1:0] i, input [$clog2(N)-1:0] s, output reg [W-1:0] o);
always @* begin
o <= {W{1'bx}};
case (s)
0: o <= i[0*W+:W];
default:
case (s)
1: o <= i[1*W+:W];
2: o <= i[2*W+:W];
default:
case (s)
3: o <= i[3*W+:W];
4: o <= i[4*W+:W];
5: o <= i[5*W+:W];
default:
case (s)
6: o <= i[6*W+:W];
default: o <= i[7*W+:W];
endcase
endcase
endcase
endcase
end
endmodule