module saturation_arith(A, B, C);
input [7:0] A, B;
output [7:0] C;
reg [7:0] C;
reg [8:0] temp;

always@(A or B)
begin
  	temp = A + B;
	if( temp[8] == 1'b1) C = 8'b11111111;
	else C[7:0] = temp[7:0];

//if( A + B > 255 ) C = 255;
//else C = A + B;

end
endmodule