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

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Code

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

uint32_t update_register(uint32_t reg) {
    // Your logic here
    uint32_t val = (0x1F & (reg >> 10));

    if (val < 31){
    
        val = val + 1;

    }

    

    reg = ((0x1F & val) << 10) | ((~(0x1F << 10)) & reg);

    return reg;
}

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

Solving Approach

 

 

 

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