I wrote this to help me flash SST39SF0*0A chips with help of arduino, as I couldn't find anything that tackled specifically those chips Maybe someone will find it useful.
A0 - A7 : PORTA : (Arduino pins 22, 23, 24, 25, 26, 27, 28, 29)
A8 - A15 : PORTC : (Arduino pins 37, 36, 35, 34, 33, 32, 31, 30)
A16 - A18 : PORTG : (Arduino pins 41, 40, 39)
D0 - D7 : PORTL : (Arduino pins 49, 48, 47, 46, 45, 44, 43, 42)
CE# : GND
WE# : PORTD.7 : (Arduino pin 38)
OE# : PORTB.0 : (Arduino pin 53)