private int 
    intToBytes(
    	int 	i )
    {
        int q, r;
        int charPos = 12;
        byte sign = 0;

        if (i < 0) { 
            sign = '-';
            i = -i;
        }

        // Generate two digits per iteration
        while (i >= 65536) {
            q = i / 100;
        // really: r = i - (q * 100);
            r = i - ((q << 6) + (q << 5) + (q << 2));
            i = q;
            int_buffer [--charPos] = DigitOnes[r];
            int_buffer [--charPos] = DigitTens[r];
        }

        // Fall thru to fast mode for smaller numbers
        // assert(i <= 65536, i);
        for (;;) { 
            q = (i * 52429) >>> (16+3);
            r = i - ((q << 3) + (q << 1));  // r = i-(q*10) ...
            int_buffer [--charPos] = digits [r];
            i = q;
            if (i == 0) break;
        }
        if (sign != 0) {
        	int_buffer [--charPos] = sign;
        }
        return charPos;
    }