"Dunno," Dez shrugged, pulling up his hood. "My cousin got it from a bloke at the computer club. Said it’s a copier. But… different."
Cassette tapes use a magnetic coating on a plastic film base. Over decades, this binder degrades, causing magnetic particles to shed. This leads to permanent data loss, dropouts, and loading errors (such as the infamous "R Tape Loading Error"). Disk Corruptions zx copy software
Hardware-assisted copiers (like MultiFace) used NMI buttons to freeze RAM after the decryption routine finished running. Modern Legacy: From Tape to Emulation "Dunno," Dez shrugged, pulling up his hood
Here is a summary of the most useful paper/resources covering Xerox's software and copying innovations. " Dez shrugged