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`timescale 1us/1us
`include "nandgame_types.v"
module logic_unit_tb (
);
logic [15:0] in1;
logic [15:0] in2;
LogicCode opcode;
logic [15:0] result;
logic_unit uut (
.X(in1),
.Y(in2),
.operation(opcode),
.RES(result)
);
string filename;
initial begin
`ifdef DUMP_FILE_NAME
filename=`DUMP_FILE_NAME;
`else
filename="logic_unit.lxt2";
`endif
$dumpfile(filename); $dumpvars();
end
initial begin
in1 = 16'b1010;
in2 = 16'b1100;
opcode = LOGIC_AND;
#1
assert(result == 16'b1000);
#1
in1 = 16'b1010;
in2 = 16'b1100;
opcode = LOGIC_OR;
#1
assert(result == 16'b1110);
#1
in1 = 16'b1010;
in2 = 16'b1100;
opcode = LOGIC_XOR;
#1
assert(result == 16'b0110);
#1
in1 = 16'b1010101010101010;
opcode = LOGIC_NEGT;
#1
assert(result == 16'b0101010101010101);
#1
$finish();
end
endmodule
|
