This is I2C write:
GOSUB INT_ROM
SHIFTOUT DPIN,CPIN,1,[DATO\8,%1\1]
GOSUB STOP_ROM

I2CREAD:
GOSUB INT_ROM
GOSUB START_ROM
SHIFTOUT DPIN,CPIN,1,[CONT1]
SHIFTIN DPIN,CPIN,0,[ACK\1,DATI\8]
SHIFTOUT DPIN,CPIN,1,[%1\1]
GOSUB STOP_ROM

This is start sequence:
START_ROM:
HIGH CPIN:HIGH DPIN:LOW DPIN:RETURN

Every thing is already done...