26. Extract and Modify Field in a 32-bit Register

#include <stdio.h>
#include <stdint.h>


#define MASK(lsb, msb) ((~((~0x0) << (msb - (lsb-1)))) << lsb)

uint32_t update_register(uint32_t reg) {
    // Your logic here
    uint32_t new_val = 0;

    new_val = ((reg & (0X1f << 10)) >> 10);

    if (new_val < 31) {
        new_val = new_val + 1;
        
        reg &= ~(0x1f << 10);
        reg |= (new_val << 10);
    }
 
    return reg;
}

int main() {
    uint32_t reg;
    scanf("%u", &reg);
    uint32_t updated = update_register(reg);
    printf("%u", updated);
    return 0;
}