I dont have a scop at home.

about the timer I copied the wrong code
this is what I downloaded to the controller

#include <reg52x2.h>

void timer(void){
int t;

t=0;
while(t!=100){
t=t+1;
TF0 = 0;
TH0 = 0x00;
TL0 = 0x00;
TR0 = 1;/*turn timer on*/
while (!TF0);
TR0 = 0;

}
}

void main (){
while(1){
if (P1_4==0){
P3=0;
timer();
P3=0;
P3_2=1;
timer();
P3=0;
P3_3=1;
timer();
P3=0;
P3_4=1;
timer();
P3=0;
P3_5=1;
}
if (P1_4==1){
P3=0xff;
}
}
}