I have programed a PSD913F2 with my program:

void main(void)
{
for(;;)
{
P3=0x55h;
P3=0xAAh; // pulse train simulation
}
}

I make a read with my oscilloscope and I have 0XAA --> Linear CODE? It doesn't make jumps.

How can I solve my problems with stack initialisation?

Thanks in advance