module safe_div8 (
input [7:0] dividend,
input [7:0] divisor,
output [7:0] q,
output [7:0] r,
output div_by_zero
);
assign q = (divisor == 0) ? 8'd0 : (dividend / divisor);
assign r = (divisor == 0) ? 8'd0 : (dividend % divisor);
assign div_by_zero = (divisor == 0) ? 1'b1 : 1'b0;
endmodule