$1 file extension is for ZX Spectrum file in HOBETA format




Similar to $1

7z - 7-Zip format LZW compressed file
8 - Assembly language source code file A86
85 - 85x85 dpi display font Ventura Publisher
8BF - Adobe Illustrator Filter
8CM - 8 Channel Module Music
8M - Math 8 extended character set printer font PageMaker
8MED - Amiga OctaMed Music file

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