yosys/tests/asicworld/code_hdl_models_rom_using_c...

43 lines
890 B
Verilog
Raw Normal View History

2013-01-05 04:13:26 -06:00
//-----------------------------------------------------
// Design Name : rom_using_case
// File Name : rom_using_case.v
// Function : ROM using case
// Coder : Deepak Kumar Tala
//-----------------------------------------------------
module rom_using_case (
address , // Address input
data , // Data output
read_en , // Read Enable
ce // Chip Enable
);
input [3:0] address;
output [7:0] data;
input read_en;
input ce;
reg [7:0] data ;
always @ (ce or read_en or address)
begin
case (address)
0 : data = 10;
1 : data = 55;
2 : data = 244;
3 : data = 0;
4 : data = 1;
5 : data = 8'hff;
6 : data = 8'h11;
7 : data = 8'h1;
8 : data = 8'h10;
9 : data = 8'h0;
10 : data = 8'h10;
11 : data = 8'h15;
12 : data = 8'h60;
13 : data = 8'h90;
14 : data = 8'h70;
15 : data = 8'h90;
endcase
end
endmodule