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The cycle CPU backend is now the default. The former backend remains available through explicit source-build selection.
Preserves the game enhancements and the accepted slowdown-reduction option. The owner confirmed the enemy-heavy Magnet Man ladder-area slowdown was resolved.
Validation covers the recorded short owner playtests and focused automated checks. Full-game completion and new Linux/macOS runtime qualification are not claimed by this Windows release.
Game archives contain no ROM or personal save data. Select the matching original ROM at first launch. Legacy binary save states require the retained legacy backend; they do not load in cycle mode. Existing cartridge battery/password progress is preserved through the documented storage/import workflow.
Source default: master at 303681c7ccca35f6637e3242241186527be8eb5a.