Corrupted screen in 3D Block

[Vort]

Describe the bug After 3D Block (Hwang Shinwei) game is started, it shows wrong graphics and doesn't react to controls.

To Reproduce Steps to reproduce the behavior:

1. Load 3D Block (Hwang Shinwei) [!].nes;
2. Wait 3 seconds;
3. Press Enter two times.

Expected behavior Image like at second screenshot (RCM Group version) should appear.

Screenshots 3D Block (Hwang Shinwei) [!].nes:

3D Block (RCM Group) [!].nes

(please complete the following information):

• OS and Version: Windows 7
• Version of FCEUX used: qfceux 2.7.0-interim git

Additional context Test files: 3D Block (Hwang Shinwei) [!].zip 3D Block (RCM Group) [!].zip

[negativeExponent]

fceux only emulates the Unif variant of the rom. all other variants requires and eeprom emulation that fceux does not support. You can pull the code from mame if the liscense is compatible, else code it from scratch.

and please, dont post roms files or links. @zeromus @thor2016