Обновился эмулятор GB и GBC. Изменения:
- minor update;
- HDMA clocking accuracy update;
- Optimized window layer rendering;
- Optimized the GPU rendering some more, especially the GB-in-GBC sprite rendering, as well as double sprite height mode.

Источник: http://www.emucr.com/2011/09/gameboy-on ... 10905.html