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Switches interleaving logic around: having inspected some NIBs sectors are numbered in order, but scatter read from the image.
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@ -53,12 +53,12 @@ std::shared_ptr<Track> AppleDSK::get_track_at_position(Track::Address address) {
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// In either case below, the code aims for exactly 50,000 bits per track.
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// In either case below, the code aims for exactly 50,000 bits per track.
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if(sectors_per_track_ == 16) {
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if(sectors_per_track_ == 16) {
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// Write the sectors.
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// Write the sectors.
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uint8_t sector_number_ = 0;
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std::size_t sector_number_ = 0;
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for(std::size_t c = 0; c < 16; ++c) {
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for(uint8_t c = 0; c < 16; ++c) {
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segment += Encodings::AppleGCR::six_and_two_sync(10);
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segment += Encodings::AppleGCR::six_and_two_sync(10);
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segment += Encodings::AppleGCR::header(0, track, sector_number_);
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segment += Encodings::AppleGCR::header(0, track, c);
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segment += Encodings::AppleGCR::six_and_two_sync(10);
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segment += Encodings::AppleGCR::six_and_two_sync(10);
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segment += Encodings::AppleGCR::six_and_two_data(&track_data[c * 256]);
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segment += Encodings::AppleGCR::six_and_two_data(&track_data[sector_number_ * 256]);
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// DOS and Pro DOS interleave sectors on disk, and they're represented in a disk
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// DOS and Pro DOS interleave sectors on disk, and they're represented in a disk
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// image in physical order rather than logical. So that skew needs to be applied here.
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// image in physical order rather than logical. So that skew needs to be applied here.
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