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XBYTE [] Addressing Problem

HI,

How to specify a address while writing to EEPROM in 89c51ED2.

It is writing to EEPROM when I give the following code after setting the flags of EECON register.

  XBYTE[0x0050] = '1';

But if I declare a variable with following type and assign a value to it, it is not writing to EEPROM

  unsigned char xdata *addr;
  *addr = '1';

//after setting all the flags i write this code for assigning;

 *addr = '2';

But this is not writing to EEPROM.

Kindly provide the solution for this.