.
.
ACK:                 ;acknowledge from transmitter or receiver
CLR SDA
SETB SCL
CLR SCL
RET
.
.
NO_ACK:              ;no acknowledge from transmitter or receiver
SETB SDA
SETB SCL
CLR SCL
RET
.
.
.
EEPROM_WRITE:        ;write in to eeprom
LCALL I2C_START
LCALL EEPROM_WRITE_ADDR
LCALL ACK
MOV  A,DPH
LCALL I2C_WRITE

(Code Owner: Mehdi N. Rahni)