Alright, here's my entire program, I added TRISA in:
I'm currently running a 16F684 on a PICKit 1, and I'm trying to get 1 of the
lED to light up. But unfortunately it refuses to.

#include <pic.h>

__CONFIG(INTIO & WDTDIS & PWRTEN & MCLRDIS & UNPROTECT \

 & UNPROTECT & BORDIS);


> void init()

{

PORTA = 0;

   CMCON0 = 7;

   ANSEL = 0;

   TRISA4 = 0;

   TRISA5 = 0;

}

main()

{

   init();

   while(1)

   {

       for (int i = 0; i < 255; i++)

           for (int j = 0; j < 129; j++);


>        RA4 = 1;


>        for (int i = 0; i < 255; i++)

           for (int j = 0; j < 129; j++);


>        RA4 = 0;

   }

}


- Xiao Xu



On Sat, May 29, 2010 at 9:32 AM, Olin Lathrop <olin_piclist@embedinc.com>
wrote:
> Wouter van Ooijen wrote:
>>> PORTD |= 1<<0;
>>
>> But *do google for "read modify write problem"*. The above line might
>> *fail* on a PIC (with all compilers).
>
> The above line will turn on the intended bit.  The failure is that it
might
> alter other bits.
>
>
> ********************************************************************
> Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products
> (978) 742-9014.  Gold level PIC consultants since 2000.
> --
> http://www.piclist.com PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist
>
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist