Hi,
Try to add the following lines before TRISA line:
ADCON1 = 0x0f;
CMCON = 7;
This should do the trick.
This is from datasheet page 111 (and 270)
Theblond
> Hi,
>
> I am trying to make the following code
> work when compiled by sdcc for pic18f4550
> with --no-crt.
>
> I take care not using stack, but I guess thi is
> not a problem given the way sdcc works.
>
> It compiles, but at run time my led is not switched
> on (the led works well)
>
> Could you tell me if there is something wrong with
> the code?
>
> void _entry(void) __naked __interrupt 0
> {
> __asm
> goto _foo
> __endasm ;
> }
>
> void foo (void) __naked
> {
> static int i = 0;
> static int j = 0;
>
> __asm
> clrf _TBLPTRU, 0
> bsf 0xa6, 7, 0
> bcf 0xa6, 6, 0
> __endasm;
>
> TRISA = 0;
>
> j = 0;
>
> while (1)
> {
> LATAbits.LATA0 = j;
>
> j ^= 1;
>
> for (i = 0; i < 200; ++i)
> ;
> }
> }
>
> Regards,
>
> Fabien.
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