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Old 14 July 2011, 18:04   #7
IFW's Avatar
Join Date: Jan 2003
Location: ...
Age: 46
Posts: 1,838
I've seen a few PC protections and there is no chance of writing some of them on a standard controller either PC or Amiga - they were designed for commercial duplication and cannot be (reliably) written by any other means.
Unsuprisingly, some of the protection methods are being shared between PC and ST - and other generic MFM controller types.
I think they stopped using more advanced methods when PC controllers got really diverse and compatibility couldn't be guaranteed anymore, or return rate had become too high due to compatibility issues.
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