Division.java

//q = b/a
division(int a, int b)
{
  q = 0; //quotient
  r = b; //remainder
  bit = 1;
  
  while ( a < r)
  {
    a = a << 1;
    bit = bit<<1;
  }
  while ( bit >= 1)
  {
    if (a < r) {
      r = r - a;
      q = q + bit;
    }
    bit = bit>> 1;
    a = a >> 1;
  }
}


//Want to divide 1100111 by 110
// so what I do then is see the first place it fits, then subtract, and bring down remaining digits.

Multiply.java

//p = a*b
//p = (a_0)*(b<<0) + (a_1)*(b<<1) ...
int mult(int a, int b)
{
  int p = 0;
  for (int i = 0; i < 32; i++)
  {
    if((a>>i) & 1 ) != 0)
      p += b << i;
  }
}