.wua | Roms

archival, long-term storage, verification, and specialized emulation (mainly MAME/RetroArch via aaru core). 3. How to Create .WUA ROMs You need aaru (cross-platform CLI). Download: aaru.app Basic command structure: aaru create --input <rom_file_or_folder> --output <output.wua> Examples: Single cartridge ROM dump (e.g., raw .bin ):

Use .wua for preservation and data integrity . Use .chd for broad emulator compatibility . 8. Troubleshooting | Problem | Likely fix | |---------|-------------| | No media type detected | Input file is corrupted or unrecognized. Try raw dump first. | | Emulator won't load .wua | Use RetroArch + aaru core or convert to .chd. | | aaru command not found | Install .NET Runtime or use self-contained binary from aaru.app. | | Slow creation | Use --compress-method lz4 for speed instead of default LZMA. | 9. Quick Reference Cheatsheet # Create aaru create --input source --output rom.wua Verify aaru verify rom.wua Extract aaru extract rom.wua --output ./extracted/ Show info aaru info rom.wua Compress faster (less space) aaru create --input source --compress-method lz4 --output fast.wua Max compression (slower) aaru create --input source --compress-method lzma --compress-level 9 --output max.wua Would you like a practical example converting a specific system’s ROM (e.g., SNES, PS1) into .wua and using it? roms .wua

aaru create --input smb1.bin --output "Super Mario Bros (USA).wua" Point to folder containing .bin , .cue , .img , etc. Download: aaru

aaru create --input ./game_folder/ --output game.wua Examples: Single cartridge ROM dump (e.g.

aaru create --read-drive /dev/sr0 --output mydisc.wua