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

int main(void) {
   uint8_t x = 0x55;             // 01010101 
   uint8_t y = 0xAA;             // 10101010 

   uint8_t a = x & y;            // 00000000 //0x00
   uint8_t b = x ^ y;            // 11111111 //0xFF
   uint8_t c = x | y;            // 11111111 

   uint8_t d = ~x;               // 10101010  
   uint8_t e = x >> 1;           // 00101010 
   uint8_t f = y >> 2;           // 00101010 
   uint8_t g = y << 2;           // 10101000 

   printf("%x %x\n", x, y);
   printf("%x %x %x\n", a, b, c);
   printf("%x %x %x %x\n", d, e, f, g);


   return 0;
}
/*
76543210       
xxxxxxxx  AND    
00001000         uint8_t mask = 1u << n;
0000x000                 

76543210       
xxxxxxxx  OR  
00001000         uint8_t mask = 1u << n;
xxxx1xxx         

76543210       
xxxxxxxx  AND
11110111        uint8_t mask2 = ~mask;
xxxx0xxx
*/