If there are people here with either a powerbase converter, a mega everdrive or a master system, they might have noticed some games won't play well with a genesis controller.
There is a simple fix for this.
See the pictures in the attachment for details.
I've tested this with Wonderboy In...
I've build myself a flashrom cartridge to be able to play some other games than Sonic The Hedgehog, James Pond, Enduro Racer and Moonwalker.
For flashing the rom, I am using an arduino uno.
I am planning on putting the programmer on the cartridge (with an arduino NANO) so I don't have to remove...
In the past couple of weeks I've been building a Master System converter to be able to play Master System games on my Genesis.
It works like a charm and every game I fire at it works.
The bios stack thing is simulated by an AVR.
I've also build a flashrom cartridge with a 315-5235...