Changes
/* Copy-protection */
*[https://www.cpc-power.com/index.php?page=detail&num=8524 Equalizor] [https://forum.system-cfg.com/viewtopic.php?p=229698#p229698 Revolog] [https://forum.system-cfg.com/viewtopic.php?f=24&t=11535&start=285 Technical explanation] Unpredictable behaviour of the real CRTC type 1 chip. We can classify these behaviours as CRTC types 1a and 1b
*[https://www.cpc-power.com/index.php?page=detail&num=12906 HSYNC test] [https://www.cpc-power.com/index.php?page=database&lemot=crtc%20programmierung CRTC Programmierung] [https://www.cpc-power.com/index.php?page=database&lemot=cote%gamers Côté Gamers] [https://www.cpc-power.com/index.php?page=detail&num=13656 Screen Effect] [https://www.cpc-power.com/index.php?page=detail&num=16025 Out-Screen II] [https://www.planetemu.net/rom/amstrad-cpc-applications-dsk/crtc-editor-v5-1-1994-brain-of-chaos CRTC editor] [https://www.cpc-power.com/index.php?page=detail&num=15280 CRTC software] CRTC testing tools
*[http://logon.system.free.fr/down/shaker_addon.dsk Pixel 1 Horizontal Hard Scroll for all CRTCs] [https://www.cpc-power.com/index.php?page=detail&num=9102 Vertical Hard Scroll 100%] [[File:Lister-of-smeg vertscroll4.dsk]] [https://cpcrulez.fr/coding_src-demo-smooth_crtc_register_3_scrolling_test.htm Smooth CRTC Register 3 scrolling test] [https://www.cpc-power.com/index.php?page=detail&num=17257 TokiMap] [https://www.cpc-power.com/index.php?page=detail&num=1949 Skate Wars] [https://www.cpc-power.com/index.php?page=detail&num=1211 Jinks] [https://www.cpc-power.com/index.php?page=detail&num=68 Out of this World] [https://www.cpc-power.com/index.php?page=detail&num=159 Killer Cobra] [https://www.cpc-power.com/index.php?page=detail&num=10465 Edge Grinder] [https://www.cpc-power.com/index.php?page=detail&num=10072 Relentless] [https://www.cpc-power.com/index.php?page=detail&num=17739 Corsair Trainer] [https://www.cpc-power.com/index.php?page=detail&num=1982 Warhawk] [https://www.cpc-power.com/index.php?page=detail&num=99 Mission Genocide] [https://www.cpc-power.com/index.php?page=detail&num=1028 Axys] [https://www.cpc-power.com/index.php?page=detail&num=15809 Red Sunset] [https://www.cpc-power.com/index.php?page=detail&num=974 Ghosts'n Goblins] [https://www.cpc-power.com/index.php?page=detail&num=1290 Legend of Kage] [https://www.cpc-power.com/index.php?page=detail&num=1698 Profanation] [https://www.cpc-power.com/index.php?page=detail&num=2119 Super Cauldron] Smooth CRTC R3/R5 hardware scrolling
*[https://www.cpc-power.com/index.php?page=detail&num=7514 BSC 91] [https://www.cpc-power.com/index.php?page=detail&num=8772 Voyage 1993] [https://www.cpc-power.com/index.php?page=detail&num=7751 OVL '96] [https://www.cpc-power.com/index.php?page=detail&num=7662 Byte 98] [https://www.cpc-power.com/index.php?page=detail&num=8625 Divine] [https://www.cpc-power.com/index.php?page=detail&num=7910 Paradise] [https://www.cpc-power.com/index.php?page=detail&num=8621 Power System] [https://www.cpc-power.com/index.php?page=detail&num=8875 Prodatron] [https://www.cpc-power.com/index.php?page=detail&num=7744 Longshot] [https://www.cpc-power.com/index.php?page=detail&num=7668 Amazing] [https://www.cpc-power.com/index.php?page=detail&num=7714 KKB First] [https://www.cpc-power.com/index.php?page=detail&num=8509 Hage's First] [https://www.cpc-power.com/index.php?page=detail&num=8259 Chany Dream End] [https://www.cpc-power.com/index.php?page=detail&num=8615 Welcom-X 2] [https://www.cpc-power.com/index.php?page=detail&num=7591 S&Koh] [https://www.cpc-power.com/index.php?page=detail&num=8041 Other World 3] [https://www.cpc-power.com/index.php?page=detail&num=8064 Overflow Previews] [https://www.cpc-power.com/index.php?page=detail&num=7648 Big'O Full'O Dem'O] [https://www.cpc-power.com/index.php?page=detail&num=7499 Sea You Soon] [https://www.cpc-power.com/index.php?page=detail&num=7504 Plasma] [https://www.cpc-power.com/index.php?page=detail&num=8519 Wobbler] [https://www.cpc-power.com/index.php?page=detail&num=7459 Mad Rast] [https://www.cpc-power.com/index.php?page=detail&num=7543 Odyssey] Early CRTC demos, so they were developed without CPC emulator bias
*[https://www.cpc-power.com/index.php?page=detail&num=7560 Ze Meeting 2003] [https://www.cpc-power.com/index.php?page=detail&num=7728 DemoIzArt] [https://www.cpc-power.com/index.php?page=detail&num=7765 Not Dead] [https://www.cpc-power.com/index.php?page=detail&num=7736 Croco Chanel] [https://www.cpc-power.com/index.php?page=detail&num=7828 Tire Au Flan] [https://www.cpc-power.com/index.php?page=detail&num=7464 Arôme Tomate] [https://www.cpc-power.com/index.php?page=detail&num=7729 DTC] [https://www.cpc-power.com/index.php?page=detail&num=8552 Synergy 2] CRTC demos from 2000s
*[https://www.cpc-power.com/index.php?page=detail&num=8548 Musical Loader] [https://www.cpc-power.com/index.php?page=detail&num=19368 FatMag 2] [https://www.cpc-power.com/index.php?page=detail&num=7405 5KB 3] [https://www.cpc-power.com/index.php?page=detail&num=9211 Backtro] [https://www.cpc-power.com/index.php?page=detail&num=8623 Unique] [https://www.cpc-power.com/index.php?page=detail&num=8746 The Demo] [https://www.cpc-power.com/index.php?page=detail&num=266 Fres Fighter II Turbo] [https://www.cpc-power.com/index.php?page=detail&num=13108 CPC 30th Anniversary] [https://www.cpc-power.com/index.php?page=detail&num=7542 Midline Process] [https://www.cpc-power.com/index.php?page=detail&num=17902 Can Robots Take Control] [https://www.cpc-power.com/index.php?page=detail&num=10030 Phortem] [https://www.cpc-power.com/index.php?page=detail&num=15102 PhX] [https://www.cpc-power.com/index.php?page=detail&num=9156 Batman Forever] [https://www.cpc-power.com/index.php?page=detail&num=16736 Pinball Dreams] [https://www.cpc-power.com/index.php?page=detail&num=7174 R-Type 128K] [https://www.cpc-power.com/index.php?page=detail&num=6661 Nheredia] [https://www.cpc-power.com/index.php?page=detail&num=13426 Doomsday Lost Echoes] [https://www.cpc-power.com/index.php?page=detail&num=4025 Orion Prime] [https://www.cpc-power.com/index.php?page=detail&num=9090 JavaCPC Overscan] Musical loader, Multi-drives, 3.5 inch (dual-head and 80 tracks) floppy drives support
*[https://www.cpc-power.com/index.php?page=detail&num=10029 RPM] [https://www.cpc-power.com/index.php?page=detail&num=15518 DskTest] [https://www.cpc-power.com/index.php?page=detail&num=6268 Discover] [https://www.cpc-power.com/index.php?page=detail&num=14201 Crazy] [https://cpcrulez.fr/applications_disc-dlfrsilver_dump_tool_test_suite.htm Dlfrsilver Dump Tool Test Suite] [https://www.cpc-power.com/index.php?page=detail&num=4812 Format II] [https://www.cpc-power.com/index.php?page=detail&num=19465 Magic Transfert] [[ParaDOS]] [https://www.cpc-power.com/index.php?page=detail&num=4933 Xexor] [https://www.cpc-power.com/index.php?page=detail&num=6118 Discology] [https://www.cpc-power.com/index.php?page=detail&num=4179 Hercule II] [https://www.cpc-power.com/index.php?page=detail&num=16060 UltraDisc] [https://www.cpc-power.com/index.php?page=detail&num=4284 Disc+Ultra] [https://www.cpc-power.com/index.php?page=detail&num=5244 Disc'o'Magic] [https://www.cpc-power.com/index.php?page=detail&num=9297 Multi Mark] To test FDC emulation
*[https://cpcrulez.fr/demostestDM_fatmag_01.htm FatMag (HFE version)] [https://www.cpc-power.com/index.php?page=detail&num=17853 Open Tower Defense] Rigorous FDC tests by Roudoudou [https://www.cpc-power.com/index.php?page=database&lemot=AutoDetect%20Disk%20Change Disk Swapping Autodetect software list] [https://www.cpc-power.com/index.php?page=detail&num=10000 Superpix] [https://www.cpc-power.com/index.php?page=detail&num=8244 Bad Mag Issue 2] Disk swapping detection [https://www.cpc-power.com/index.php?page=detail&onglet=dumps&num=8623 Unique Diskmaker (Generate discs in noiseload format)] [https://www.cpc-power.com/index.php?page=detail&num=7646 Big Cheese 2 (FDC VU-meter effect)] [https://www.cpc-power.com/index.php?page=detail&num=12051 Demonstration of KBI protection] [https://www.cpc-power.com/index.php?page=detail&num=5586 Protector]
*[https://www.cpc-power.com/index.php?page=protection&stafftype=1&lenom=Weak%20Sectors Weak Sectors] [https://www.cpc-power.com/index.php?page=protection&stafftype=1&lenom=Gaps Custom Gaps] [https://www.cpc-power.com/index.php?page=protection&stafftype=0&lenom=Gap2 Custom Gap2] [https://www.cpc-power.com/index.php?page=protection&stafftype=1&lenom=SectorSizeX Sector SizeX] [https://www.cpc-power.com/index.php?page=protection&stafftype=1&lenom=SectorSize8 Sector Size8] [https://www.cpc-power.com/index.php?page=protection&stafftype=1&lenom=SectorSize7 Sector Size7] [https://www.cpc-power.com/index.php?page=protection&stafftype=1&lenom=SectorSize6 Sector Size6] [https://www.cpc-power.com/index.php?page=protection&stafftype=1&lenom=SectorErased Sector Erased] [https://www.cpc-power.com/index.php?page=protection&stafftype=1&lenom=64sectors 64 Sectors] [https://www.cpc-power.com/index.php?page=protection&stafftype=1&lenom=Custom Custom] [https://www.cpc-power.com/index.php?page=protection&lenom=HERBULOT Rémi Herbulot] [https://www.cpc-power.com/index.php?page=protection&lenom=Brice%20Rive Brice Rive] [https://www.cpc-power.com/index.php?page=protection&lenom=Rubi Rubi] [https://www.cpc-power.com/index.php?page=protection&lenom=MBC%20D7 MBC] [https://www.cpc-power.com/index.php?page=database&lemot=logiciel%2044 Logiciel 44] Protected software lists
*[https://www.cpc-power.com/index.php?page=detail&num=1681 Prehistorik] [https://www.cpc-power.com/index.php?page=detail&num=1699 Profession Détective] [https://www.cpc-power.com/index.php?page=detail&num=291 Emlyn Hugues Arcade Quiz] Other copy-protection schemes [https://www.cpc-power.com/index.php?page=detail&num=674 Dark Sceptre] [https://www.cpc-power.com/index.php?page=detail&num=1269 Krypton Factor] Works only on older floppy drives [https://www.cpc-power.com/index.php?page=protectiondetail&stafftypenum=1&lenom=MotorON MotorON software list17257 TokiMap] [https://www.cpcwiki.eu/forum/programming/fdc-tools-amsdos-direct-load-reliability/msg227259/ Technical explanation]Works only on Gotek *[https://www.cpc-power.com/index.php?page=detail&num=180 1001 BC] [https://www.cpc-power.com/index.php?page=detail&num=1887 Scott Winder Reporter] [https://www.cpc-power.com/index.php?page=detail&num=1102 Holocauste] [https://www.cpc-power.com/cpcarchives/index.php?page=articles&num=196 Speedlock AAAA] Destructive copy-protection [https://www.cpc-power.com/index.php?page=detail&num=1944 Sir Lancelot] [https://www.cpc-power.com/index.php?page=detail&num=1897 Secret Defense] [https://www.cpc-power.com/index.php?page=detail&num=1390 M'enfin] [https://www.cpc-power.com/index.php?page=detail&num=111 Turbo Cup] [https://www.cpc-power.com/index.php?page=detail&num=825 Erebus] [https://www.cpc-power.com/index.php?page=detail&num=1607 Le Passager du Temps] [https://www.cpc-power.com/cpcarchives/index.php?page=articles&num=435 Anti-copy bug software list] Exotic copy-protection[https://www.cpc-power.com/index.php?page=protection&stafftype=1&lenom=MotorON MotorON software list]
*[https://www.cpc-power.com/cpcarchives/index.php?page=articles&cat=12 Protection schemes documented] [https://www.cpc-power.com/cpcarchives/index.php?page=articles&num=207 Gaps] [https://www.cpc-power.com/cpcarchives/index.php?page=articles&num=384 Latis] [https://web.archive.org/web/20190308042601/http://birdsanctuary.co.uk/lenslok/ LensLok] [https://simonowen.com/samdisk/sys_cpc/ Copy-protection in EDSK images] [https://forum.system-cfg.com/viewtopic.php?p=195705#p195705 Implementation in SugarBox emulator] [https://64nops.wordpress.com/2021/07/04/a-la-decouverte-du-fdc/ FDC blog articles] [https://www.cpc-power.com/cpcarchives/index.php?page=articles&num=38 Autoboot] [https://www.seasip.info/Cpm/amsform.html Amsdos disk format] [https://muckypaws.com/2024/02/21/amstrad-and-zx-spectrum-dsk-tool/ Disk structure] [https://muckypaws.com/2024/02/03/discsys-xor/ DiscSys] [https://muckypaws.com/2024/01/29/speedlock-1987/ Speedlock K7 1987] [https://www.cpcwiki.eu/forum/programming/speedlock-d7-1989-completely-documented/ Speedlock D7 1989] Technical explanations
