I found a chip on digikey, ISSI IS62C256AL-45ULI, $2 - I was able to solder every single pin to the same spot on the cart except for 1 pin, and then connect the new address lines to the memory mapper.. (MBC1-MBC5)
Here is the process I performed in expanding my Kirby's Dreamland 2 Flash cart from its normal 8KB RAM to an added 32KB RAM.........
Ok here's the old Cart loook
