AVR-Chat

At 06:00 PM 12/3/2004, sami saqqa wrote:

>i have this befor
>you must intilaized the stak pointer 1st
>for examble
>
>.org 0x0a
>  ser temp
>  out SPL,temp
>  out SPH,temp
>
>if the AVR have more than 8-bit stak pointer


More correctly:

ldi     temp,low(Ramend)
out     SPL,TEMP
ldi     temp,high(Ramend)
out     SPH,TEMP

You still need to load SPL on machines with 8 bit stack pointer.


You don't HAVE to point SP to the end of ram, but it's the most 
conventional place.