To use HBMAME ROMs, you'll need to have MAME installed on your computer. Once you have MAME set up, you can download the corresponding HBMAME ROM and load it into the emulator. The HBMAME ROM will then use the modified game data to provide an enhanced gaming experience.
If you try to run an HBMAME ROM hack of Pac-Man (the clone), the emulator will look inside that zip file for the modified code. However, it will also need to read the unchanged graphics and sound files from the original, official Pac-Man ROM set (the parent). hbmame roms