Dingear is a Sega Master System/Game Gear/SG-1000 emulator based on a heavily modified SMSplus engine specifically crafted for the Dingoo A320 console.

Changes:

- Unexpected resets, freezing or tiles corruption bug should now be fixed.
- DinGear can now run ColecoVision games too (.COL).
- Fixed shadow dancer.
- Fixed some synchro issues occuring with the LCD.
- Added a configuration menu to alter the pixels clock & blanking periods.
- Fixed sound speed.

http://boards.dingoonity.org/dingoo-development/dingear-v1-0/60/