sanni:
According to the datasheet of the 29W640 the flash commands are pretty much the same as with the 29F033, so if you re-solder the WE wire or change the WE pin in the code and change the flash ID in the code from "04D4" to "22ED" or "22FD", depending on if you have a 29W640FT or 29W640FB, it might just program without any major changes.
Is the code I’d need to change to change the WE pin within the “Write 29F032 flashrom” function in gb.ino? I’m trying hard to attempt to figure things out on my own and not ask too many questions, but narrowing down what to look at would be very helpful.