Lameboy is a Gamboy and Gameboy Color emulator for the Nintendo DS.

Changes:

* fixed: joypad register emulation (fixes Wario Blast)
* fixed: GBC hdma (fixes Pokemon Crystal graphics)
* fixed: interrupt flags emulation (fixes Bouble Bobble)
* fixed: V-blank interrupt timing (fixes Altered Space)
* fixed: split window emulation (fixes Donkey Kong graphics)
* fixed: GB timer initialization (fixes Pokemon Pinball)
* added: fake serial interrupts (fixes many early games)
* added: RTC emulation
* added: pseudo bilinear upscaling mode

http://lameboy.ath.cx/?p=16