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Possible compilator bug???

Jirka Saibiuk

Hi,
i need to XOR couple of bytes. Im try to do it by this way:

	 	pozice =0;
  		adresa = 0x0A;
		data = 0x3F;
		data2 = 0x10;
		xdat =adresa ^ data ^ data2;
		//xdat = 0x25;

but the output is not XOR of this data.
I also find another interest thing:
	 	pozice =0;
  		adresa = 0x0A;
		data = 0x3F;
		data2 = 0x10;
		xdat = adresa;
		xdat ^= data ;
		xdat ^= data2;//adresa ^ data ^ data2;
		xdat = 0x25;
In xdat isnt 0x25. I currently havent JTAG and RS232 working, so i dont know the value of xdat, but im %100 sure that is not 0x25. If I commented xdat = adresa, xdat ^= data(2).... its working. Otherwise this way of xoring data its not working also.

Jirka

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