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 div_by_zero = divisor ? 1'b0 : 1'b1;
assign q = divisor ? dividend / divisor: 8'd0;
assign r = divisor ? dividend % divisor: 8'd0;
endmodule