battery ram save dumping, and flash board programming.
-MMC5 updates fixed battery ram dumping
-genesis_v2.lua script supports dumping battery ram, and flashing ROM
only prototype flash board. The firmware isn't very clean, but working
for now.
on provided prg/chr rom input args for dumping. Mirroring is sensed &
entered for fixed mirror mappers. So this is basic iNES file format.
Still don't have automatic banktable locating, nor mapper detection.
But this provides a basic header that should work with most currently
supported NES mappers. If the headers need tweaked, I recommend opening
in Mesen and using it's header modifcation tool.