High Score cartridge is only compatible with NTSC games. Wii7800 ships with a database that contains recommended settings for the majority of commercial and a limited number of homebrew cartridges. These settings cover control settings, difficulty switch settings, and cartridge-related settings (cartridge type, Pokey support, XM support, high score cart support, etc.). Wii7800 is a port of the pro system emulator developed by Greg Stanton. Additional changes developed by Ludovic Jacomme aka Zx-81 (PSP port), Leonis, and gdement. Portions of the Pokey code were adapted from the MAME implementation.
Full details http://wiibrew.org/wiki/Wii7800
Note: there has been an error in duplication of our disks, the atari 7800 roms are in the wrong folders, to fix either download this zip file and follow these instructions.
1 download the zip file
2 delete the Wii7800 folder from the SD card
3 Unzip this file to the root of your SD card.
Or Contact your supplier who will update your card for you.