Mega Everdrive Won't Play SMS Games

[yell0w_lantern]

I just got a Mega Everdrive to use on my Genesis model 1/Sega CD model 2 and Genesis games work fine but any SMS game I pick ends up with a black screen. I am running OS v9 off the micro SD slot. My old Everdrive (now I guess they're called Everdrive MD) plays the SMS games just fine on the exact same console. I just tested it.

 

Any ideas?

[yell0w_lantern]

Solved it!

 

Apparently, there is an issue with the SMS mapper auto-implementing.

Select the SMS game.

Open the Options menu and force the SMS mapper.

Close out the Options menu then press the Start button.

[Chilly Willy]

There have sometimes been troubles with recognizing roms on the MED/EDMD with various OS revisions. Usually, making sure the extension is "right" is enough. Make sure SMS games end in .sms, 32X games end in .32x, etc.

[thegamezmaster]

@Chilly Willy, love your avatar!

[Chilly Willy]

@Chilly Willy, love your avatar!

Thanks! That's the first computer I bought with my own money. I worked at a TV repair shop one summer in 82 to buy it. I had considered the A400, the Coco, and the TRaSh-80, and went with the clear choice.

 

It has a BKey full-stroke keyboard, the Mosaic 64KB ram upgrade, it's third POKEY (the POKEY seems to wear out real quick on the 400), and had a 65C02 for a while. I really love my old A400... still have it, and it still works!