The Neo Geo has some test menus accessible, but these are often exclusive to one mode. Early Neo Geo models even had the option to swap between the two modes. In some cases, setting a game to a region that it was not officially released in will reveal unused options, gameplay differences, or even a(n un)finished translation.ĭocument 'developer mode' and the crash handler.Įvery game released for the Neo Geo contains the data for both its AES and MVS versions. In most cases, games were given simultaneous Japanese, US, and European releases as a result, data for all three regions is present in the cartridge. Unlike the above screen, this uses the game's own SROM when drawing the text as such, it may appear slightly differently from game to game (or, if the game doesn't have an 8×16 font where the BIOS expects it, like complete garbage). The graphics for this are stored in the main board's SFIX ROM, so they don't need to be present in each game's own SROM.Ī bog-standard copyright/trademark infringement warning.
Note that for games that use non-standard eyecatchers, like the GIGA POWER version, these screens will not be displayed at all.Ī fairly typical 'Winners Don't Use Drugs' screen. When the system's eyecatcher (the screen that shows the Neo Geo logo, 'MAX 330 MEGA', etc.) is displayed, a few regions add an additional screen that is automatically displayed afterwards.
