i m programming 89c2051,with robokitts programmer,its programming but says verify failed at first byte,,,,,,,and can u give aprogram in which two conditional statements are there,if first satisfy output of a pin is 1 and if second satisfy op of same pin is 0,otherwise 1 but if power cut of is there i want to store that output status in eeprom and continue the program from there when light comes, the memory is 24c64 interfacedwith 89c2051,,plzz help me i m using keil 4