/* 

IDC script for swapping the low order nibble and the high order nibble of a byte 
Uncomment one, or both of the functions at the bottom of the script
--Message() will just print the decoded strings to the messages window but will not patch the DB
--PatchByte() is self explanatory
Script by Chris Sia eon.bass@gmail.com

*/

#include <idc.idc>

static revbyte(void)
{
	
	auto start, end, ptr, X, Y, Z;
	
    start = SelStart();
    
    end = SelEnd();
    
    end = end - 1;
       
    Message("Reversing Byte Order\n");

    for (ptr = start; ptr <= end; ptr++)
    	{
    	X = Byte(ptr);
    
    	Y = Byte(ptr);
                {
    			X = (X & 0xFF);
                
    			X = X << 4;   
    				}
                {
    			Y = (Y & 0xFF);
                
    			Y = Y >> 4;
    				}
    
    	Z = (X | Y);
    	
    /* Uncomment below to enable decoded strings to be printed in Messages Window */
   /*Message(Z);*/ 
    
    /* Uncomment below to enable swapped bytes to be patched back to the DB */
    /*PatchByte(ptr, Z);*/

}
    }