The released binaries doesn't include any roms.
To run the emulator you will need to put rom (phy_ggvsimformat_2600.nand phy_ggvsimformat_2600.nor) files into the 2600rom folder.
rom files:
https://pan.baidu.com/s/1oXMhkf1vhefc8vQIIJnBhw?pwd=qcak code: qcak
(note: the roms were collected from internet. It's shared here only for convenience. Don't use for any commerical purpose)