If you have the game ROM (e.g., macross.zip ) but it won't load, you likely need to place the separate nmk004.zip (containing the .bin file) into your main MAME ROMs folder.
[trap15] recorded the resulting audio frequencies as a high-fidelity WAV file. Using custom FPGA tools and a PC processing library ( OPNCAP ), he parsed the audio waveforms back into 1s and 0s, reconstructing the precise, pristine binary file now known as nmk004.bin . nmk004.bin
: You must keep nmk004.zip sitting directly inside your main \roms\ folder, completely separate from your game files. If you have the game ROM (e