MASTER

Bit Manipulation Master

Implement and verify the complete suite of bit manipulation operations in a single execution flow.

Challenge Sequence

Initialize reg = 0x00
Set bit 3 (State: 00001000)
Clear bit 3 (State: 00000000)
Toggle bit 3 (State: 00001000)
Read bit 3 (Result: 1)

master.c

#include <stdint.h>
 
// FORCE bit n to 1 (Bitwise OR)
                    
uint32_t setBit(uint32_t r, uint8_t n) {
 return r | (1U << n);
}
 
// FORCE bit n to 0 (Bitwise AND with
                            Inverse Mask)
uint32_t clearBit(uint32_t r, uint8_t n) {
 return r & ~(1U << n);
}
 
// FLIP bit n (Bitwise XOR)
uint32_t toggleBit(uint32_t r, uint8_t n) {
 return r ^ (1U << n);
}
 
// EXTRACT value of bit n (Shift and
                            Mask)
uint8_t readBit(uint32_t r, uint8_t n) {
 return (r >> n) & 1U;
}
 
int main() {
 uint32_t reg = 0x00;
 uint8_t n = 3;
 
 reg = setBit(reg, n);
 reg = clearBit(reg, n);
 reg = toggleBit(reg, n);
 uint8_t bit = readBit(reg, n);
                    
 
 return 0;
}