#include #define OE 3 // PGM is also WE# according to data sheet #define PGM 2 // 18 pin address line #define Addr0 22 #define Addr18 40 // 8 pin data line #define Data0 44 #define Data7 51 void setCtrlPins(); void setAddrPinsOut(); void setDataPinsOut(); void setDataPinsIn(); void setByte(byte out); void setAddress(unsigned long addr); byte readByte(); byte readData(unsigned long address); void writeByte(byte data, unsigned long address); void programData(byte data, unsigned long address);