Thanks!  It works!
Thomas

>From: Drew Vassallo <snurple@HOTMAIL.COM>
>Reply-To: pic microcontroller discussion list <PICLIST@MITVMA.MIT.EDU>
>To: PICLIST@MITVMA.MIT.EDU
>Subject: Re: [PIC]: Compare 4 numbers method. Please help!
>Date: Thu, 12 Apr 2001 17:39:18 -0400
>
>>I suggest a simple bubble sort.
>>put the numbers in 4 registers say num1-num4
>>compare num4 to num3.
>>if num3 is higher, swap the 2 registers.
>>if num 4 is higher, do nothing.
>>compare num4 and num3, num3 and num2, num2 and num1.
>>do this for three passes and your numbers are sorted, with the highest in
>>num4 and the lowest in num1.
>
>Wow, I almost forgot about this from 1st year Numerical Methods in
>Computing
>:)
>
>Nice application of this technique... I really never encountered a
>practical
>application for it before.  Seems like a nice short code bit would take
>care
>of this, since there are only 4 numbers to work with.  And since time isn't
>a factor, this would be easy to program and get working quickly.
>
>--Andrew
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