mirror of https://github.com/YosysHQ/yosys.git
43 lines
1.1 KiB
Coq
43 lines
1.1 KiB
Coq
|
//-----------------------------------------------------
|
||
|
|
// Design Name : encoder_using_case
|
||
|
|
// File Name : encoder_using_case.v
|
||
|
|
// Function : Encoder using Case
|
||
|
|
// Coder : Deepak Kumar Tala
|
||
|
|
//-----------------------------------------------------
|
||
|
|
module encoder_using_case(
|
||
|
|
binary_out , // 4 bit binary Output
|
||
|
|
encoder_in , // 16-bit Input
|
||
|
|
enable // Enable for the encoder
|
||
|
|
);
|
||
|
|
output [3:0] binary_out ;
|
||
|
|
input enable ;
|
||
|
|
input [15:0] encoder_in ;
|
||
|
|
|
||
|
|
reg [3:0] binary_out ;
|
||
|
|
|
||
|
|
always @ (enable or encoder_in)
|
||
|
|
begin
|
||
|
|
binary_out = 0;
|
||
|
|
if (enable) begin
|
||
|
|
case (encoder_in)
|
||
|
|
16'h0002 : binary_out = 1;
|
||
|
|
16'h0004 : binary_out = 2;
|
||
|
|
16'h0008 : binary_out = 3;
|
||
|
|
16'h0010 : binary_out = 4;
|
||
|
|
16'h0020 : binary_out = 5;
|
||
|
|
16'h0040 : binary_out = 6;
|
||
|
|
16'h0080 : binary_out = 7;
|
||
|
|
16'h0100 : binary_out = 8;
|
||
|
|
16'h0200 : binary_out = 9;
|
||
|
|
16'h0400 : binary_out = 10;
|
||
|
|
16'h0800 : binary_out = 11;
|
||
|
|
16'h1000 : binary_out = 12;
|
||
|
|
16'h2000 : binary_out = 13;
|
||
|
|
16'h4000 : binary_out = 14;
|
||
|
|
16'h8000 : binary_out = 15;
|
||
|
|
endcase
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
endmodule
|