The perfect way of making a physical release of the awesome game you made using NESmaker! Compatible with the programmer that NESmaker shipped with, still available from INFneslives.
You can also program the 39sf040 memory chip using an ordinary chip programmer. Configure according to the picture up top. Pcb color may vary. Inspired by design from Sealie Computing
Stuff that you need
1x 39sf040 both plcc and dip packages are supported, 29f040 also work future save support is unknown on 29f040.
1x 62256 256k sram
1x attiny13 programmed with AVRCiCzz code found here both smd and dip packages are supported