diff options
Diffstat (limited to 'tests/asicworld/code_hdl_models_decoder_using_case.v')
| -rw-r--r-- | tests/asicworld/code_hdl_models_decoder_using_case.v | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/asicworld/code_hdl_models_decoder_using_case.v b/tests/asicworld/code_hdl_models_decoder_using_case.v new file mode 100644 index 00000000..ad42acdf --- /dev/null +++ b/tests/asicworld/code_hdl_models_decoder_using_case.v @@ -0,0 +1,43 @@ +//----------------------------------------------------- +// Design Name : decoder_using_case +// File Name : decoder_using_case.v +// Function : decoder using case +// Coder : Deepak Kumar Tala +//----------------------------------------------------- +module decoder_using_case ( +binary_in , // 4 bit binary input +decoder_out , // 16-bit out +enable // Enable for the decoder +); +input [3:0] binary_in ; +input enable ; +output [15:0] decoder_out ; + +reg [15:0] decoder_out ; + +always @ (enable or binary_in) +begin + decoder_out = 0; + if (enable) begin + case (binary_in) + 4'h0 : decoder_out = 16'h0001; + 4'h1 : decoder_out = 16'h0002; + 4'h2 : decoder_out = 16'h0004; + 4'h3 : decoder_out = 16'h0008; + 4'h4 : decoder_out = 16'h0010; + 4'h5 : decoder_out = 16'h0020; + 4'h6 : decoder_out = 16'h0040; + 4'h7 : decoder_out = 16'h0080; + 4'h8 : decoder_out = 16'h0100; + 4'h9 : decoder_out = 16'h0200; + 4'hA : decoder_out = 16'h0400; + 4'hB : decoder_out = 16'h0800; + 4'hC : decoder_out = 16'h1000; + 4'hD : decoder_out = 16'h2000; + 4'hE : decoder_out = 16'h4000; + 4'hF : decoder_out = 16'h8000; + endcase + end +end + +endmodule |