#include "queue.h"
s8 S_last =0; // number of the last element of slow-speed queue
s8 S_first =0; // number of the first element of slow-speed queue
int Queue[Q_SIZE]={0};
s8 S_push(int inpElem){
S_last%=Q_SIZE;
if ((S_last+1)%Q_SIZE == S_first) return 1;
Queue[S_last++] = inpElem;
S_last%=Q_SIZE;
return 0;
}
int S_pull(void){
int pullVar;
if (S_last == S_first)return -1;
pullVar = Queue[S_first++];
S_first%=Q_SIZE;
return pullVar;
}