Writing custom flashcarts - sanni/cartreader GitHub Wiki

HW3 Setup

Power Supply

Weak USB ports might result into the cartridge not erasing.

Menu Options

In the "Flash Repro" sub-menu under "Game Boy" you will find the following options:

  • GB 29F0/39SF Repro
  • GB CFI Repro
  • GB CFI and Save
  • GB Smart

GB 29F0/39SF Repro:

Supported cartridge types are the DIY MBC5 Cart following the design by Reiner Ziegler and the MBC3 and MBC5 cart by jrodrigo both with a 29F016/32/33/08 type of flashrom and WE connected to either the WR or Audio pin.

Also supported are the HDR MBC30: https://github.com/HDR/MBC30-Flashcart
And HDR GameBoy Cam: https://github.com/HDR/Gameboy-Camera-Flashcart
And some DIY carts with 39SF010/20/40 flashrom like Orange FM.

GB CFI Repro:

This option is for newer flashroms that support the common flash memory interface protocol like 29F160.

GB CFI and Save:

Same as above but also writes a save game.

GB Smart:

For writing GB Smart cartridges.

Filebrowser

Once you have selected your flash cartridge type the file browser will ask for a file and then flash said file to the cartridge.