SpritesMind.Net

Very good works, clever use of fram.

Awesome !

Good works.
It Could be interessting.
It à clone of what chip ?

What's the name of your TV acquisition card ?

I Can help you to design à circuit.

Thanks for this tricks.
Must find some Time for try.

SD card slot on the cart is way cheaper than any dongle you can attach to the controller port. You don't need almost any logic to read and write the SD card, there's no strict timing requirements so you can bitbang all you want, no need for any CPLDs and FPGAs with serializer/deserializer and ...

Well done it's really better now !

i have also made my own Flashcard with an FPGA and 8Mo Flash memory + RAMTRON for storing save

http://sega4ever.power-heberg.com/FPGA/xflash64.png

HE10 bus is here for debug and add extra stuff.

complete source and code is here :

https://code.google.com/p/xflash64/

and shematics is here:
http ...

that's sound promising !
and what's is the target console ?

/CE is not enough for a 8Mb Cart.
You must use /ASEL.
Whats is your game ? mortal kombat ? bad apple ?.
A23 and A24 does not exist in the adress bus.

It's really awesome
Congrats !
Did you have some video about your mode7 project/avancement too ?

Did you have a link for this recent reoease ?
Launching homebrew with SD on dreamcast is possible since a long time.

Sgdk sprite exemple in the folder sample use these method.
Maybe you should look into that source code.

Thanks for that info , i have looked the 12F629 datasheet an it have an interrupt on pin function.
I will try with that.