25. Pack Multiple Fields into a 16-bit Control Register

#include <stdio.h>
#include <stdint.h>
#define Mask(r) ((1<<(r))-1)
uint16_t pack_register(uint8_t mode, uint8_t speed, uint8_t status) {
    // Your logic here
    uint16_t love=0;
    love |= (Mask(3)& mode)<<0;
    love |= (Mask(5)& speed)<<3;
    love |= (Mask(2)& 0)<<8;
    love |=(Mask(6)& status)<<10;
    return love;
    
}

int main() {
    uint8_t mode, speed, status;
    scanf("%hhu %hhu %hhu", &mode, &speed, &status);

    uint16_t reg = pack_register(mode, speed, status);
    printf("%u", reg);
    return 0;
}