I take a look at some of the copy protection methods used to prevent floppy disk duplicates from working. Heard of weak/flaky bits? This is far from a comprehensive list, but these are some of the most common and most interesting. I've also included simulations so you can see how they work. Previous video: https://www.youtube.com/watch?v=OAswAoNLJhs Try the Floppy Disk Simulator: https://robsmithdev.co.uk/floppysimulator If you want to support my channel then consider becoming a Patreon! Patreon: https://www.patreon.com/RobSmithDev Discord: https://discord.gg/MKZ6HA6ZWE Chapters Intro (00:00) Background(00:54) Non-Standard Disk Formats (01:40) Invalid Checksums/CRCs (02:07) Hidden Data (02:22) Summary of Basic Methods (02:47) Bad Sectors (02:58) Index/Offset Data Alignment (03:35) Disk Visualisation Simulator Introduction (04:09) Long Tracks (05:21) Unformatted/Random Areas (06:09) Sector Timing Variations (06:39) Weak/Flaky Bits (07:20) Summary (08:59) Video: "Don't copy that floppy" video by SIIA (formerly Software Publishers Association), 1992. Full video: https://www.youtube.com/watch?v=DumqRAsLVvE Music: rotate picture by rush copyking by Jonte Copyright © RobSmithDev 2021-2022 https://robsmithdev.co.uk/ Where appropriate, all efforts were made to trace & obtain copyright holders permissions to reproduce their material in this video. If you have any questions regarding content please get in touch. #copyprotection #floppydisk #weakbits #piracy