Thanks for everyone's support. I have a problem with my Gameboy Zero. He is blocking very often and remains in freeze. This happens when I transfer the roms with FTP. This is a known problem, ok. Unfortunately it often crashes even with games. For example, he did it now with Metalslug for Pifba. I d...

Tnx @kite! This solved my tricky problem!!
Now is perfect.

No idea?
Please help me.

Is incredible that all games goes in double speed.
Is this is a problem about performance?

I've built my first GameboyZero With Circuit Sword Lite. All working fine for now, example: GB Games, GBA games, Snes, etc. Only problem that I've found is on Pifba emulator and other emulator that emulate neogeo games. For first my HW: Circuit Sword Lite Raspberry Zero W Retropie 4.4. Use personal ...