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 value = (reg >> 10) & ((1U<<5)-1);

    if(value < 0x0000001F)
    {
        value++; 
    }
    reg = (reg & 0xFFFF83FF) | (value << 10);

    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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