Search found 23 matches
- Thu Sep 23, 2010 4:18 am
- Forum: Handheld Hacking
- Topic: SEGA GameGear Flash Cart - Custom Electronics
- Replies: 23
- Views: 43897
SEGA GameGear Flash Cart - Custom Electronics
Hi Folks, :mrgreen: I'm currently working on a SEGA GameGear Flash cart. I had been making several post under the discussion topic "Do it yourself Gameboy Flashcart" but a group of us were doing allot of discussing and I figured it deserves it's own topic page. So I will re-post a few of the images ...
- Tue Sep 21, 2010 2:21 pm
- Forum: Handheld Hacking
- Topic: Do It Yourself GAMEBOY Flash Cartridge - Custom Electronics
- Replies: 20
- Views: 37614
Re: Do It Yourself GAMEBOY Flash Cartridge - Custom Electronics
Here is my latest updated GameGear ROM Pinout & Cart Edge Connections Diagram. http://www.digital-circuitry.com/IMAGES/My%20LAB/Sega/GameGear/SEGA_GG_FLASH_CART_%20002C.jpg I'm hoping to get something working soon. Well see how it goes. If anyone else is attempting a prototype GG Flash cart keep me ...
- Tue Sep 21, 2010 12:16 pm
- Forum: Handheld Hacking
- Topic: Do It Yourself GAMEBOY Flash Cartridge - Custom Electronics
- Replies: 20
- Views: 37614
Re: Do It Yourself GAMEBOY Flash Cartridge - Custom Electronics
In the photo of my current cart you can see the Red wires connected to pins 41 & 42 of the cart edge. These I have connected to a jumper on the outside of the cartridge enclosure. When these two contacts are bridged or unbridged determines if the GameGear is in a SMS or GameGear mode. There are a fe...
- Mon Sep 20, 2010 7:05 pm
- Forum: Handheld Hacking
- Topic: Do It Yourself GAMEBOY Flash Cartridge - Custom Electronics
- Replies: 20
- Views: 37614
Re: Do It Yourself GAMEBOY Flash Cartridge - Custom Electronics
Hi Folks, :mrgreen: I'm going to post what I have done so far on this GameGear Flash cart project. I'm using an ATMEL Flash chip for my cart, although I may try an EEPROM chip later in the future.... but regardless this is what I have done so far. I used this wiring scheme for the cart Edge connecti...
- Sat Sep 18, 2010 10:30 pm
- Forum: Handheld Hacking
- Topic: Do It Yourself GAMEBOY Flash Cartridge - Custom Electronics
- Replies: 20
- Views: 37614
Re: Do It Yourself GAMEBOY Flash Cartridge - Custom Electronics
These commercial version Flash Carts are pretty sweet. I had looked at them as well before.... for PCB Trace comparison but yet I'm still having issues getting my cart to run. Well, I think I know what I'm doing tomorrow for my Sunday afternoon. :) Fun Fun!! Keep me posted on your findings. And than...
- Sat Sep 18, 2010 8:56 pm
- Forum: Handheld Hacking
- Topic: Do It Yourself GAMEBOY Flash Cartridge - Custom Electronics
- Replies: 20
- Views: 37614
Re: Do It Yourself GAMEBOY Flash Cartridge - Custom Electronics
Ohh YeahH!!! That will be fun. Genesis is sweet! Another one of my Fav systems. I love the old school stuff. As for my Genesis Flash Cart: I'm waiting on the Flash chips to arrive. This cart of course requires a 16-bit flash chip. Which simply means there is a 16 bit data I/O Bus. However I put this...
- Sat Sep 18, 2010 8:22 pm
- Forum: Handheld Hacking
- Topic: Do It Yourself GAMEBOY Flash Cartridge - Custom Electronics
- Replies: 20
- Views: 37614
Re: Do It Yourself GAMEBOY Flash Cartridge - Custom Electronics
Ahh yes..... thank you. I had accessed these pages sometime ago. Good old SMSPower. These are the cart edge connections that I'm having trouble with for the SEGA GG. The real issue here is verification of the actual pinout connection for the Stock issued ROM chips that are used in the actual Sega GG...
- Mon Aug 02, 2010 10:59 pm
- Forum: Handheld Hacking
- Topic: Do It Yourself GAMEBOY Flash Cartridge - Custom Electronics
- Replies: 20
- Views: 37614
Do It Yourself GAMEBOY Flash Cartridge - Custom Electronics
Hi Folks, I'm trying to collaborate with other Electronics Hobbyists working on Flash Carts. I'm currently working on a Flash cart for the SEGA GameGear. I just completed one for the Gameboy. My Background is in Electronics and Robotics. I'm still having some issues with the FLash interface, but I'm...