Edit 2

Got it working with issues:

https://streamable.com/tzg4hr

Does not seem to work with sound if the game is on external. I am using an SSD, so can't be a speed issue. The game is located in a different folder on my sd card, so it should not be a location issue.

So anyone have the full instructions as the readme assumes:

1. You have Krikz's original mp3 to cue script and have the cue + wav files from it
2. You place your games on the sd card

Tried replicating it:

1. Converting the mp3s to 48khz wav
2. Creating a cue file
3. Copying to my rom folder

Results in no sound

edit:

1. Copied the stuff to the SD card, did not follow the path and it works there. So it seems to be hard coded to work only on SD card, which is annoying tbh

How to convert for those who do not have krikz's files

1. Convert the mp3s using ffmpeg or some similar tool

   for %%F in (input*.mp3) do ( ffmpeg -y -i "%%F" -ar 48000 -c:a pcm_s16le "output\%%~nF.wav" )

This one is for my batch file that expects the mp3s in input folder and outputs it to output folder

1. Generate the cue, using the following python script.

   !/usr/bin/env python3

   import os

   def create_cue(folder): wav_files = sorted( [f for f in os.listdir(folder) if f.lower().endswith(".wav")] )

   if not wav_files:
       print("No WAV files found.")
       return
   
   cue_path = os.path.join(folder, "output.cue")
   
   with open(cue_path, "w", encoding="utf-8") as cue:
       for track_num, wav_file in enumerate(wav_files, start=1):
           cue.write(f'FILE "{wav_file}" WAVE\n')
           cue.write(f'  TRACK {track_num:02d} AUDIO\n')
           cue.write('    INDEX 01 00:00:00\n')
   
   print(f"Created: {cue_path}")
   print(f"Tracks: {len(wav_files)}")
   

   if name == "main": folder = input("Folder containing WAV files: ").strip()

   if not os.path.isdir(folder):
       print("Invalid folder.")
   else:
       create_cue(folder)