/*
  http://www.vijaynetwork.com
  Nibble swap of 16 bit and 8 bit number.
*/

#include <stdio.h>
#include <conio.h>
int main ( void )
{
    unsigned int num = 0xABDC;
    unsigned char num1 = 0xEF;
    int result;
    
    result =  ( ( ( ( (num&0xFF) << 4 )& 0xf0 ) | ( (num&0xFF) >> 4 ) ) & 0xFF )| ( ( ( ( (num>>8) << 4 ) & 0xf0 ) | ((num>>8)>> 4 ) ) << 8 ) ; 
    printf("After Swap( 16bit 0x%X ):0x%X\n", num, result);
    result = (unsigned char)( num1 << 4 ) | ( num1 >> 4 );    
    printf("After Swap( 8bit 0x%X ):0x%X \n", num1, result);
    
    getch();
}