Editing Memory management controller (Nintendo) (section)

{{Short description|Video game console technology}}
{{Redirect|Memory management controller|the general concept and non-Nintendo variants|Memory management unit}}
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[[File:NES-Console-Set.jpg|thumb|right|The [[Nintendo Entertainment System]] is enhanced by MMC chips in cartridges.]]
'''Multi-memory controllers''' or '''memory management controllers'''<ref name="np">{{cite magazine | title=Why Your Game Paks Never Forget | magazine=Nintendo Power | publisher=Nintendo | issue=20 | date=Jan 1991 | pages=28–31}}</ref> ('''MMC''') are different kinds of special [[Microprocessor|chips]] designed by various [[video game developer]]s for use in [[Nintendo Entertainment System]] (NES) [[ROM cartridge|cartridge]]s. These chips extend the capabilities of the original [[Video game console|console]] and make it possible to create NES games with features the original console cannot offer alone. The basic NES hardware supports only 40KB of ROM total, up to 32KB PRG and 8KB CHR, thus only a single tile and sprite table are possible. This limit was rapidly reached within the Famicom's first two years on the market and game developers began requesting a way to expand the console's capabilities.

In the emulation and [[Homebrew_(video_games)|Homebrew]] community, these chips are also known as ''mappers''.<ref>{{Cite web|url=https://www.nesdev.org/wiki/Mapper|title=Mappers - Nesdev wiki|website=wiki.nesdev.com}}</ref>