nesdev.org

Hello, I`m having some problems. I made the whole thing with super mario cart and cartridge slot from old broken famicom.


Well, the problem is that mario cart doesn`t have some pins on the board. Pins 37 and 38, 14, 15. So I don`t have M2,Prg r/w and IRQ connected. Also pins 57 and 58 are short on mario cart but not short for 60pin cart....

I'm not certain of any good solutions, but for mediocre ones- you could probably try either adhesive copper tape (sold for stained glass making) or a car defroster repair pen to make a few fake pins.

Well, I do have some pirate cart that have all pins on the board, I just wanted to try to fix this one since it takes a lot of time to solder all wires, but if this can`t work without these pins I`ll make a new one.... here`s the cart....


And one more, what do I do with pin 37 (CLK) on the left pic, do I connect it to VCC or just leave it? All other pins are matching....

Same problem than for FF3...
And you should probably remove the CHRROM to make a decent adapter.
You're quite brave to solder 60 wires.

I made it with the second cart, I did remove roms (cut off) and connected all pins in order, but still nothing... can`t find the problem....

Leave the CLK line disconnected, it's an output, not an input.

Note on the Famicom connector that pin 18 is "CIRAM" A10, not another normal CHR A10.

According to this: http://nesdev.com/NES_ADAPTER.txt
everything is in order, I even aded 45-46 to 51 exp pin.... don`t have an idea....

what kind of problem are you having? does the game boot at all? or does it just display greyscreen?

No boot, like there`s no cartridge inserted, I even soldered famicom cart directly to NES board (because I got really pissed off) and it didn`t work, so I gave up. The given pinouts are probably incorrect....

I have a cheap 72 to 60 pin adapter that works (I used it to play stuff on my famiclones before I had a NES), if you want I can take some pictures of it. Since it doesn't have a case, you should be able to see all the connections.

EDIT: Wait, I got it wrong... You want to play Famicom games on your NES? I usually use the "72 to 60" or "60 to 72" expressions considering the first number as the cart and the second as the console, because you insert the cart into the console, in that order.

So, don't the pictures of the Gyromite adapter help? I also have an adapter for this, But for some reason it never worked. It's pretty worn out though, so I'm sure it used to work. I might take pictures of it too if you want.

when i builded my famicom adapter, (i used same pinout as you) first i couldn't get games work at all. After i added 470ohm resistors to datalines (D0-D7) it worked!

Thanx for helping out guys, I did compare my adapter to pics (found on net large pics with both sides), I know there are cheap adapters to buy but I just like making my own stuff....

@sepi:

can you tell me what pins exactly (there`s chr Dxx and PRG Dxx) and is it only two pins you mentioned or is it from D0 to D7....
And one more thing, this PRG /CE pin is confusing me because I don`t know what ``( /15 & /M2 )`` means....

In case it helps anyone, here are the pictures of both my adapters:





BTW, I guess your naming scheme is correct, since these boards use it too. sorry for the confusion! =)

Yeah, I made one of those too,

tokumaru wrote:

Hey, that's the exact same adapter I have. A real piece of work...looks like someone just took a cheap NES clone connector (screw holes and all) and hand-soldered it to an equally cheap PCB. I had to bend out all the pins in mine with an X-acto knife because they wouldn't grip carts properly. Best $20 I ever spent! -_-