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by rep_lodsb 393 days ago
The "hack" needed to be there for the emulator to reproduce the effect as it happens on real hardware, before the author managed to fix those last few bugs.

>Historically, many famous emulators have relied on title patches to work around bugs or inaccuracies to get games to play. As emulators have improved in accuracy and research has uncovered more details about how systems work, gradually these title hacks became less necessary.