+acadiel Posted February 18, 2018 Share Posted February 18, 2018 Does anyone have disk images of these three apps? I believe they used some sort of rudimentary copyright protection. My disks are unreadable. Quote Link to comment Share on other sites More sharing options...
+acadiel Posted February 18, 2018 Author Share Posted February 18, 2018 I think Tapatalk might have posted this twice. If so please delete one. Quote Link to comment Share on other sites More sharing options...
Flottmann1 Posted February 18, 2018 Share Posted February 18, 2018 here any Qualitysoft Discs with Draw N Plot Sdump Diskmgr4 Quickcopy Tools.rar 2 Quote Link to comment Share on other sites More sharing options...
+Ksarul Posted February 18, 2018 Share Posted February 18, 2018 Quality 99 Software would always leave one sector on one of the unused tracks unformatted and set pointer-wise to the number of one of the other sectors on the track. Then the program would try to access the sector several times as a test--if at least one of the tests hit the bad sector, the program assumed the disk was genuine. If all attempts found the sector--it assumed the disk was fake and exited the program. 4 Quote Link to comment Share on other sites More sharing options...
Flottmann1 Posted February 18, 2018 Share Posted February 18, 2018 (edited) and the DM3, run XB (Load) DiskManager3.dsk Edited February 18, 2018 by Flottmann1 1 Quote Link to comment Share on other sites More sharing options...
+InsaneMultitasker Posted February 18, 2018 Share Posted February 18, 2018 http://atariage.com/forums/topic/229041-fiads-or-doads-dsk-images-or-zips-your-favorite-here/?do=findComment&comment=3059170 Quote Link to comment Share on other sites More sharing options...
+acadiel Posted February 19, 2018 Author Share Posted February 19, 2018 All of you rock, thank you!!! Quote Link to comment Share on other sites More sharing options...
apersson850 Posted February 19, 2018 Share Posted February 19, 2018 I remember I spoke with Maurice E.T. Swinnen when I had figured out how the copy protection worked. He laughed a bit and said "I appreciate if you keep it to yourself." 1 Quote Link to comment Share on other sites More sharing options...
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