Introduction - If you have any usage issues, please Google them yourself
//divider dividend divisor* quotient+ remainder
//dividend 32 bit
//divisor 16 bit
//quotient 32 bit
//remainder 32 bit
//need 32 clk to finish the calculation
//start 1 start the calculation
//start 0 keep the reset
//when finished, sample 1, and the result will be keep until start 0