module safe_div8 (
input [7:0] dividend,
input [7:0] divisor,
output [7:0] q,
output [7:0] r,
output div_by_zero
);
// TODO: implement with ternary (?:)
assign q=((divisor)!=0)?(dividend/divisor):0;
assign r=((divisor)!=0)?(dividend%divisor):0;
assign div_by_zero=((divisor)!=0)?0:1;
endmodule