NOTE all of the following commands should be issued from the root of the project.
Make sure that you have the ESP-IDF toolchain installed, specifically checkout esp-idf at commit be81d2c16d7f4caeea9ceb29fece01510664caf3, then
make -j4
make flash
Make sure that you have libsdl1.2-dev and cmake installed, then
mkdir emulator-build
cd emulator-build
cmake ..
make -j4
./Linux/ihc-badge-linux