STM8S103F3P6 development board trouble

I got an STM8S103F3P6 development board, I’m attempting to execute a typical linking-led application, but I’m not sure what I’m doing incorrectly. A LED was connected to PIN D3; the following is my code:

1. include

void
delay_ ms (uint16. _t ms) ;
void
delay_ _ms(uint16 _t ms) {
while
(ms- -) {
uint16_ t i;
for
(i = 0:i< ms; i++){
nop () ;
}
}
}
main()
{
GPI0D- >DDR |=0x03;
//PD3 as Output
GPI0D- >CR1 |=0x03:
//PD3 as Push Pull
while
GPI0D- >0DR|=(1