#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]){

    // some systems see unsigned int as 2 or 4 bytes
    uint32_t virtualAddress, pageNumber, offset;

    if(argc < 2)
    {
        printf("Didnt pass a virtual address in decimal\n");
        exit(0);
    }

    virtualAddress = atoi(argv[1]); // reading in as an int but storing as unsigned int

    pageNumber = virtualAddress >> 12; // shift to get page ##
    offset = virtualAddress & 0xfff; // bit mask to extract first 12 bits

    printf("Passed address %d contains: \n", virtualAddress);

    printf("Page number = %d \n", pageNumber);

    printf("Offset = %d\n", offset);

    return 0;
}