Cogwheel v1.0.4.0

Sega Master System / Sega Game Gear / SG-1000 / ColecoVision模擬器 Cogwheel 發布新版，更新如下 :

- Z80 CPU (emulates all documented and most undocumented features).
-TMS9918A video with custom Sega VDP Master System and Game Gear extensions. Supports multiple versions (hardware revisions, PAL/NTSC) and emulates bugs depending on version.
-SN76489 (PSG) sound.
-YM2413 (FM) sound.
-Standard ROM mapper, Codemasters mapper and a 64KB RAM mapper.
-Sega and ColecoVision joypad emulation.
-Hardware profiles for SG-1000, SC-3000, SMS1, SMS2, Game Gear and ColecoVision.
-Japanese/Export hardware differences.

http://benryves.com/projects/cogwheel