Hi Caisson, Thanks for your attention.

-----Mensagem Original-----
De: Caisson <caisson@TELEBYTE.NL>
Para: <PICLIST@MITVMA.MIT.EDU>
Enviada em: Terga-feira, 21 de Setembro de 1999 04:37
Assunto: Re: Increment/Decrement a 16 bit number


> Van: Anbar <anbar@WN.COM.BR>
> Aan: PICLIST@MITVMA.MIT.EDU
> Onderwerp: Increment/Decrement a 16 bit number
> Datum: maandag 20 september 1999 10:45
>
> > Hi !
> > How can I get a 16 bit number in the PIC16F84? I 'll inc/dec the number
> and
> > I have to save It. For exemple:
> > If I get a number like D '400' , how can I save It. I 'll need this
> because
> > in pin out of the PIC when a press a button of start, I will take a 400
> > pulses out.
> > Thanks in advance.
> > AnBar
>
> Hello Anbar,
>
>   How do you store numbers above 9 ?  Like the number 35 for example.  You
> store it as a "3" and a "5", where the "3" means 3 groups of 10.  So, the
> number 35 means 3 groups of 10 plus 5.  This goes for a number with base
10
> ofcourse :-)
>
> If you have a number with base 256, a number like 400 will be written as 1
> group of 256 and 144.   Or, in Hexa-decimal 190.  This means you will need
> *two* bytes.
>
> Creating a loop with two 8-bit counters (creating one 16-bit counter) goes
> alike the counting-down of a decimal number.  21 goes to 20.  20 goes to
> 19.  If you can't decrement the right-most digit anymore (it's Zero), you
> set it to the highest value, and decrement the digit next to it on the
> right.  The same goes for Bytes.  0201 goes to 0200. 0200 goes to 01FF.
>
> Greetz,
>   Rudy Wieser