6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-12-25 18:30:21 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #669 from TomHarte/WOZDoc

Browse Source 
Update explanation of NIB processing.
This commit is contained in:
Thomas Harte 2019-11-05 23:21:25 -05:00 committed by GitHub
commit 9292f66c2d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
Storage/Disk/DiskImage/Formats/NIB.cpp
View File

@ -64,11 +64,10 @@ std::shared_ptr<::Storage::Disk::Track> NIB::get_track_at_position(::Storage::Di
}
// NIB files leave sync bytes implicit and make no guarantees
// about overall track positioning. So the approach taken here
// is to look for the epilogue sequence (which concludes all Apple
// tracks and headers), then treat all following FFs as a sync
// region, then switch back to ordinary behaviour as soon as a
// non-FF appears.
// about overall track positioning. My current best-guess attempt
// is to seek sector prologues then work backwards, inserting sync
// bits into [at most 5] preceding FFs. This is intended to put the
// Disk II into synchronisation just before each sector.
std::size_t start_index = 0;
std::set<size_t> sync_starts;