BrianPugh / game-and-watch-smw

Port of reverse engineered Super Mario World for the Game and Watch

All credits for reverse engineering goes to https://github.com/snesrev/smw

Build instructions

• Clone repository with submodules

git clone --recurse-submodules https://github.com/marian-m12l/game-and-watch-smw.git

• Install python requirements using pip

pip3 install -r requirements.txt

• Place your US ROM file named smw.sfc in smw/assets/.

• Compile and flash (e.g. on internal flash bank 2, leaving 1MB (out of 16) for stock firmware at the beginning of extflash)

make INTFLASH_BANK=2 EXTFLASH_SIZE_MB=15 EXTFLASH_OFFSET=1048576 ADAPTER=jlink OPENOCD=/path/to/patched/openocd-git/bin/openocd GNW_TARGET=mario flash

Backing up and restoring saves

ADAPTER=jlink OPENOCD=/path/to/patched/openocd-git/bin/openocd ./scripts/saves_backup.sh build/gw_smw.elf 
ADAPTER=jlink OPENOCD=/path/to/patched/openocd-git/bin/openocd ./scripts/saves_erase.sh build/gw_smw.elf 
ADAPTER=jlink OPENOCD=/path/to/patched/openocd-git/bin/openocd ./scripts/saves_restore.sh build/gw_smw.elf