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Adds a further drift safeguard.

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This commit is contained in:
Thomas Harte 2019-07-26 23:23:01 -04:00
parent b7b62aa3f6
commit d08d8ed22c
1 changed files with 4 additions and 0 deletions
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4
Storage/Disk/Drive.cpp
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@ -302,6 +302,10 @@ void Drive::setup_track() {
offset = track_time_now - time_found;
}
// Reseed cycles_since_index_hole_; 99.99% of the time it'll still be correct as is,
// but if the track has rounded one way or the other it may now be very slightly adrift.
cycles_since_index_hole_ = (int((time_found + offset) * cycles_per_revolution_)) % cycles_per_revolution_;
get_next_event(offset);
}