True preservation requires games include a detailed description of the entire PCBs of these games, not just the ROM chips. There are even cases like Mega Man X (Japan), where they made a mistake with the copy protection, and to fix it, resorted to wiring a resistor right onto the back of the PCB of every cartridge released to change the memory map.Īnd databases + heuristics fall apart when it comes to homebrew, fan translations, ROM hacks, etc.
-1457254577-thumb.jpg "bsnes not seeing roms")
If I had to name one, I'd say the Neo Geo Pocket is one. There's very, very few cartridge-based systems where only the ROM dump is all you need. Developers wised up and started including fake strings to fool them, so once again. Due to an apparent limitation in BSNES, RocketLauncher cannot see when the emu has loaded any game with '.
BSNES NOT SEEING ROMS CODE
Example: "if the ROM is larger than 2MB, and has save RAM data, and has 32K bank granularity, then map the save RAM data to a smaller area of memory." Rather than "if the game is Fire Emblem, treat it differently than Ys 3."įor the Game Boy Advance, emulators and flash cart tools will scan the ROM looking for signatures from code libraries from Nintendo that handle save memory, like "FLASH512_V", "EEPROM_V", "SRAM_V", etc. SNES emulators in the past have been able to add bizarre tricks that just so happen to line up with the existing commercial games to not need a database, but it really turns out to be a mini database disguised by being obtuse. So using that information is not enough for many titles, and so you need a database for those titles to work properly.įor the SNES and Genesis, the games have internal headers that tell you most of the details of the games, but not enough for complete emulation. People stick a fan-made "iNES" header at the top of the ROM data, but they made the format before all the details of the NES were known. If you're talking about the NES, sort of yes. Another thing I have noticed is that sometimes after I change a video or audio setting on the Bsnes emulator, the game will run faster but will run perfectly smooth for a short period of time or until I press ESC to window the screen. Nothing about the carts are preserved in the ROM images, and you need a per-game database, or you'll need some kind of "cartridge type" list that the user has to choose from when booting the game. It's every fast-paced scrolling game on snes that has this jerky scrolling. If you're talking about an MSX game, then yes.
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